High Performance Centres for Turning and Grinding
Index 2 All dimensions in mm Katalog SPE22 Page 4/5 History Präzision aus gutem Hause Page 6/7 Quick Find High performance live centres Page 8/9 S Series Standard centres (without spring loading) for high precision turning, CNC turning and cylindrical grinding Technical information Page 18 NC Series Live centres without spring loading, for turning, high speed CNC turning. Incorporating TOP-SEAL sealing system Technical information Page 10 Types S/SG 60° Page 11 Types SKOP/SKOPG 60°/40° Page 19 Type NC 60°/40° Page 20/21 Type NCE for interchangeable inserts Page 22 LK Series Live centres without spring loading for high performance turning, hard turning and cylindrical grinding. High stiffness due to short design and optimised bearing arrangement Technical information Page 34/35 LR/LD Series Spring loaded centres. LR: with pressure indication for turning, CNC turning, for multi-spindle machines, face driver applications LD: without pressure indication for turning, CNC turning, with expansion compensation Technical information Page 36 Type LRS/LRSG 60° Page 37 Type LRV 60°/40° Page 40 Type LDS 60° Page 38/39 Type LRE for interchangeable inserts Page 51 Types MR/MRG 60°, 75°, 90° with tailstock sleeve support Page 52/53 Type MZR 60°, 75°, 90° with tailstock sleeve support Page 52/53 Types MZ/AMZ 60°, 75°, 90° Page 62/63 Carbide dead centres Point angle 60°, out-of-roundness ≤ 0.8µm Technical information Page 65 Form Z Form R Page 66 Forms HE, HL Form HS Form HV Page 65 Form B Form HB Page 64 Forms E, L Form V Page 70 Tool steel dead centres with and without draw-off thread, point angle 60° Technical information Page 72 Form 250 Morse taper metr. taper 1:20, taper 1:10 Forms 255/256/257/258 Morse taper metr. taper 1:20, taper 1:10 Page 71 Page 50 Types M/MG Types AM/AMG 60°, 75°, 90° M/MZ Series for heavy-duty machining for turning and cylindrical grinding M Series Centrepoint without spring loading MZ Series Centrepoint with spring loading and pressure indication Technical information Page 48/49 Page 73 Forms 220/230 Steep taper 30/40 Page 72 Special Designs Tool steel dead centres Page 23 Type LKS/LKSG 60°
Index 3 Page 12 Types SH/SHG 60° with carbide insert Page 13 Types SV/SVG 60° full carbide with sa•co® safety core Page 14/15 Types SE/SEG for interchangeable inserts Page 16/17 A Series with draw-off thread Page 44 T Line Spring loaded centres with pressure indication for CNC lathes without tailstock and CNC lathes with opposed spindles Technical information Page 54/55 ZA Series High performance bullnose live centres for turning, cylindrical grinding of large bore workpieces Technical information Page 68 Form GHS Form GHV Page 67 Form GE Forms GV/GZ Form GR Page 76 CARBIDOR® Coated driving centres Technical information Page 77 Forms 250CA/255CA 257CA/258CA Type LDA for tapered caps Page 41 Page 45 VDI CAPTO Page 46 Types ZA/ZAG without draw-off thread 60°, 75° Page 56/57 Types ZA/ZAG with draw-off thread 60°, 75° Page 58/59 60°, 60°/40° and for centering inserts Technical data subject to change without prior notice ©Karl Bruckner GmbH Page 78 Adapter sleeves for interchangeable inserts Reduction sleeves Page 74 Mazak Tool steel dead centres with seal diameter Technical information Page 61 Special Designs Live spindles/sleeves Bullnose live centres Special Designs High performance live centres Page 69 Special designs Carbide dead centres Page 75 Forms 255/257/258 Type LKV/LKVG 60°/40° Page 24 Type LKH/LKHG 60° with carbide insert Page 25 Type LDE for interchangeable inserts Page 42/43 Page 60 Page 26/30 C-Series centrepoint without spring loading, small housing diameter, short design CS/CE: for turning, CNC turning, hard turning, fine turning, cylindrical grinding CSM/CEM: for measuring, inspection and testing Technical Information Seite 31/32 Page 27-29 Type CS/CSG 60° Type CE/CEG for centering inserts K1 K1 Page 31-33 Type CSM/CSMG 60° Type CEM/CEMG for centering inserts Page 47 HSK-C for centering inserts Cylindrical shank for centering inserts
4 The Past > In 1918 Karl Bruckner founded his engineering workshop in Stuttgart and laid the cornerstone for a success story which continues today – more than 90 years on. Initially the business focused on the repair and overhaul of machines but his ability to find innovative solutions to technical problems led him to rapidly obtain orders for his own designs of pedestal grinders and small lathes. He commenced manufacture of lathe centres and in 1920 as a pioneer in this field he developed and produced his first rotating tailstock centre. On the early death of Karl Bruckner in 1931 his son Karl Georg Bruckner took over management of the company. By the end of 1944 bombs had destroyed the factory, which he rebuilt under the very difficult conditions of 1945. In the following years Karl Georg focused on manufacturing and developing both live and dead centres. Diligently and ambitiously he expanded the company and its distribution network. The company’s relocation to its present premises in Weinstadt-Grossheppach about 25 kilometers away was an important step for the company’s future growth. In 1979 Karl Georg handed over management of the company to his daughter Hilde and his son Karl-Friedrich. In 1984 the youngest son Manfred joined the company and its management. The founder, Karl Bruckner Karl-Georg Bruckner Rotating high performance centre for heavy-duty machining, with 2 roller bearings (1936) Brochure 1940 Lathe with rotating high performance centre from BRUCKNER Company premises in Stuttgart 1920 New building 1963 in Weinstadt-Grossheppach
5 The Present > Todays product range well illustrates the unending Bruckner quest for perfection and precision. A highly qualified and motivated staff is committed to fulfilling customer demands. The application of high precision machine tools and the highest in- house standards of measurement have decisive influences on manufacturing. So Bruckner products by their accuracy and durability directly contribute to the raising of productivity and achievement of international recognition. Entrepreneurial activity, responsibility to employees and business partners, with commitment to innovation and uncompromising quality have been the decisive policy for the mission of this medium sized family owned company, these values being continuously passed to the fourth generation. Measuring room Concentricity testing Administration building Production halls CERTIFICATION ISO 9001
6 High Performance Live Centres – Quick Find Conventional turning ( ) = catalogue pages Operation requirements Recommended series/types Workpiece accuracy ≥ 0.004 mm S-Series (9-15) Types CS – CE (26-29) Workpiece accuracy ≤ 0.003 mm S-Series 3µm (9-15) LK-Series 3µm (22-25) Types CSG – CEG (26-29) High workpiece surface finish LK-Series (22-25) Types CS/CSG (27) Hard workpieces (hard turning) High live centre rigidity Elimination of or minimum vibrations during operation Heavy coolant flow NC-Series (18-21) High r.p.m. (> 5.000 1/min) NC-Series (18-21) LK-Series (22-25) Long shafts LR-Series (34-39) LD-Series (40-43) Thermal expansion of workpiece due to machining Large workpiece centres/bores ZA-Series (54-59) Type LDA (41) Variable clamping possibilities for different workpieces Types SE/SEG (14/15) Type NCE (20/21) Type LRE (38/39) Type LDE (42/43) Types CE/CEG (28/29) High rate of wear on the 60° centre point angle Wear reduction on the 60° angle by carbide tipping Types SH/SHG (12) Types SV/SVG (13) Types LKH/LKHG (25) Tailstock without hydraulic force adjustment LR-Series (34-39) Controlling the axial force Face driver application with mechanical tailstock Face driver application with hydraulic tailstockck S-Series (9-15) LD-Series (40-43) NC-Series (18-21) LK-Series (22-25) Tailstock sleeve design prevents convenient removal of live centre A-Series (16/17) LK-Series (22-25) NC-Series (18-21) CNC turning Operation requirements Recommended series/types Workpiece accuracy ≥ 0.004 mm S-Series (9-15 NC-Series (18-21) Types CS – CE (26-29) Workpiece accuracy ≤ 0.003 mm S-Series 3µm (9-15) LK-Series 3µm (22-25) Types CSG – CEG (26-29) High workpiece surface finish LK-Series (22-25) Types CS/CSG (27) Hard workpieces (hard turning) High live centre rigidity Elimination of or minimum vibrations during operation Heavy coolant flow NC-Series (18-21) High r.p.m. (> 5.000 1/min) NC-Series (18-21) LK-Series (22-25) Long shafts LR-Series (34-39) LD-Series (40-43) Thermal expansion of workpiece due to machining Large workpiece centres/bores ZA-Series (54-59) Type LDA (41) Variable clamping possibilities for different workpieces Types SE/SEG (14/15) Type NCE (20/21) Type LRE (38/39) Type LDE (42/43) Types CE/CEG (28/29) High rate of wear on the 60° centre point angle Wear reduction on the 60° angle by carbide tipping Types SH/SHG (12) Types SV/SVG (13) Types LKH/LKHG (25) Tailstock without hydraulic force adjustment LR-Series (34-39) Controlling the axial force Face driver application with mechanical tailstock Face driver application with hydraulic tailstock S-Series (9-15) LD-Series (40-43) NC-Series (18-21) LK-Series (22-25) Compensation for varying centre depths and length tolerances of the workpiece at fixed preset tailstock and turret positions LR-Series (34-39) T Line (44-47) Centre in second counter spindle Tailstock sleeve design prevents convenient removal of live centre A-Series (16/17) NC-Series (18-21) LK-Series (22-25) Types CS/CSG – CE/CEG (26-29)
7 High Performance Live Centres – Quick Find Cylindrical grinding ( ) = catalogue pages Operation requirements Recommended series/types High workpiece accuracy S-Series 3µm mit with additional sealing (9-15) LK-Series 3µm (22-25) Types CSG – CEG (26-29) High workpiece surface finish LK-Series 3µm (22-25) Types CS/CSG (27) Elimination of or minimum vibrations during operation Heavy coolant flow S-Reihe 3µm, with additional sealing (9-15) Long shafts S-Series 3µm with additional sealing (9-15) LK-Series 3µm (22-25) Large workpiece centres/bores ZA-Series 3µm (54-59) Variable clamping possibilities for different workpieces Type SEG with additional sealing (14/15) Types CE/CEG (28/29) Wear reduction on the 60° angle by carbide tipping Type SHG with additional sealing (12) Type SVG with additional sealing (13) Tailstock sleeve design prevents convenient removal of live centre A-Series 3µm with additional sealing (16/17) LK-Series 3µm (22-25) Types CS/CSG – CE/CEG (26-29) Heavy-duty machining Characteristics/operation requirements Recommended series/types Without tailstock sleeve support, without expansion compensation Types M/MG, Types AM/AMG (50) Without tailstock sleeve support, with expansion compensation and pressure indication Types MZ/AMZ (52/53) With tailstock sleeve support, without expansion compensation Types MR/MRG (51) With tailstock sleeve support, with expansion compensation and pressure indication Type MZR (52/53) High workpiece surface finish Types MR/MRG (51) Type MZR (52/53) Thermal expansion of workpiece due to machining Types MZ/AMZ (52/53) Large workpiece centres/bores ZA-Reihe (54-59) Tailstock sleeve design prevents convenient removal of live centre Types AM/AMG (50) Type AMZ (52/53) Interrupted cut/out of balance workpiece Types MR/MRG (51) Type MZR (52/53) Measuring/testing Operation requirements Recommended series/types Workpiece accuracy ≤ 0.003 mm and more S-Series 3µm (9-15) LD-Series 3µm (40-43) Types CSM/CSMG – CEM/CEMG (30-33) Long shafts S-Series 3µm (9-15) LK-Series 3µm (22-25) Types CSM/CSMG – CEM/CEMG (30-33) Large workpiece centres/bores ZA Series 3µm (54-59) Variable clamping possibilites for different workpieces Type SEG (14/15) Types CEM/CEMG (32/33) Wear reduction on the 60° angle by carbide tipping Type SHG (12) Type SVG (13) Type LKHG (25) Tailstock sleeve design prevents convenient removal of live centre A-Series 3µm (16/17) LK-Series 3µm (22-25) Types CSM/CSMG – CEM/CEMG (30-33)
8 High Performance Live Centres BRUCKNER WORKS STANDARD Test report for concentricity accuracy Every single BRUCKNER high performance live centre is tested for its runout under axial load. The test result is stamped into the high performance centre and is guaranteed by the test report. BRUCKNER WORKS STANDARD Our high performance live centres – standard as well as special designs – are produced and tested according to our works standard. Materials, production and testing are subject to strict quality guidelines guaranteeing function and performance of our tools. Tolerance of taper shank The Morse taper is ground according to DIN 228 AT4 (gauge accuracy). This fine tolerance guarantees a close fit of the high performance centre in the tailstock and therefore the full utilisation of the concentricity accuracy. Precision bearings The bearing seats in the housing and on the centrepoint are precision-ground. The bearings and their seats are selected to fit. Result: high stability, concentricity and long life. Load values The load values given in our tables are calculated with the world wide acknowledged software KISSsoft. When used in keeping with currently valid standards DIN and ISO, this software guarantees a safe and reliable load calculation. Centrepoint The centrepoint is of through-hardened alloy tool steel resistant to wear. Housing The housing is of alloy tool steel with high tensile strength. Housing head and shank are case-hardened for protection from damage. Maintenance The bearings are maintenance-free due to permanent lubrication. Repair service Our repair service is at your disposal for any repairs. We judge the tool’s condition and inform you about the extent of necessary repairs. Example: table „maximum runout“ for types S, SG www.KISSsoft.AG RUCKNER® Test Report Concentricity accuracy mm Our high performance live centres, tailstock sleeves and bullnose live centres are tested for their runout under axial load. The test result is stamped into the tool. Every single product has the BRUCKNER test mark and the BRUCKNER logo as guarantee for quality and accuracy. This product is maintenance-free due to high grade permanent lubrification. Tel. +49 (0) 7151 9671-0 Fax +49 (0) 7151 9671-23 info@karlbruckner.de www.karlbruckner.de Bruckwiesenstraße 13 71384 Weinstadt GERMANY Karl Bruckner GmbH Präzisionswerkzeugfabrik Einleger_ 162x47dt + engl_mit 05.12.14 16:18 Seite 2 Type S Type SG Morse taper Runout max. Fax daN Type S Type SG 5001 5121 1 0.005 0.003 80 5001-2 5121-2 2 0.005 0.003 80 5001-3 5121-3 3 0.005 0.003 80 5002 5122 2 0.005 0.003 160 5003 5123 3 0.005 0.003 160 5006 5126 3 0.005 0.003 210 5004 5124 4 0.005 0.003 210 5007 5127 4 0.005 0.003 450 5005 5125 5 0.005 0.003 600 5008 5128 5 0.005 0.003 600 5009 5129 6 0.005 0.003 600
9 High Performance Live Centres S Series S Series – the classic design with head bearings The all-rounder of our high performance live centres. The centres from our S series offer the user an economic solution for almost every standard workholding situation. From turning and cylindrical grinding to measuring and inspection, centres of the S series fulfil the high requirements of performance, precision and tool life. Two types: Slim design for light-duty work With stronger bearings for normal to high-duty service High concentricity accuracy tested under axial load guaranteed with test report Centrepoint of through-hardened alloy tool steel Seal ring protects the bearings from dirt and coolant. Optionally available with supplementary seal (page 10) Large-dimensioned precision roller bearings for supporting the radial and axial forces. Maintenance-free due to permanent lubrication Housing of high tensile alloy tool steel housing and shank are case- hardened to protect from damage 1 2 3 4 5 1 2 3 4 5
10 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 3 6.1 2 1 4 R A 4 2 1 5 6.2 3 5 6 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 3 6.1 2 1 4 R A 4 2 1 5 6.2 3 5 6 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types S, SG Axial – Types S, SG Types S, SG Centrepoint 60° Runout Type S max. 0.005 mm Type SG max. 0.003 mm with test report Application Type S – conventional turning, CNC turning, roughing, finishing Type SG – for turning and grinding operations demanding high accuracy, measuring Supplementary seal For operations involving heavy flows of coolant or large quantities of dust and dirt (e. g. cylindrical grinding), a supplementary seal can be fitted onto the centrepoint. The seal turns together with the centrepoint, seals the protection cap and additionally works as a splash ring. High Performance Live Centres S Series supplementary seal r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN LA LC LB DG D Type S ID.No. 5001 5001-2 5001-3 5002 5003 5006 5004 5007 5005 5008 5009 Type SG ID.No. 5121 5121-2 5121-3 5122 5123 5126 5124 5127 5125 5128 5129 Morse taper 1 2 3 2 3 3 4 4 5 5 6 D 13 13 13 20 20 25 25 35 45 58 58 DG 32 32 32 45 45 58 58 76 95 120 120 LA 19 19 19 24 24 34 34 43 59 63 63 LB 38 38 38 52 52 58 58 68 89 102 102 LC 63 63 64 82 83 99 101 120 159 178 178 Workpiece weight max. daN* 120 120 120 340 340 525 525 1000 2000 2500 3000 r.p.m. max.* 7000 7000 7000 5500 5500 5000 5000 4000 3500 2300 2300 Radial/axial load graph R1/A1 R1/A1 R1/A1 R2/A2 R2/A2 R3/A3 R3/A3 R4/A4 R5/A5 R6.1/A6 R6.2/A6 Supplementary seal ID.No. V13 V13 V13 V20 V20 V25 V25 V35 V45 V58 V58 With draw-off thread see pages 16/17 *observe the load graphs
11 High Performance Live Centres S Series Types SKOP, SKOPG Centrepoint 60°/40° extended Runout Type SKOP max. 0.005 mm Type SKOPG max. 0.003 mm with test report Application Whenever the working distance between centre and workpiece is confined. The extended, slim centrepoint can enlarge this space. Type SKOP – conventional turning, CNC turning, roughing, finishing Type SKOPG – for turning operations demanding high accuracy Determination of admissible load Example: Type SKOP 5367, MT 4 Load graph: radial RK3/axial AK3 Permissible load at 1000 r.p.m. Radial load FR = 190 daN Workpiece weight FW = 380 daN Axial load FA = 510 daN The radial load FR determines the radial load capacity of a centre. FR = ± radial cutting forces + centrifugal force** **for unbalanced workpieces (1 daN = 1,02 kp) FW 2 Radial and axial loads for a bearing life of 2000 operating hours Radial – Types SKOP, SKOPG Axial – Types SKOP, SKOPG 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 2 1 3 RK AK 4 2 1 3 4 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 2 1 3 RK AK 4 2 1 3 4 r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN DG DA LA LB LC D Type SKOP ID.No. 5362 5363 5366 5364 5367 5365 Type SKOPG ID.No. 5362G 5363G 5366G 5364G 5367G 5365G Morse taper 2 3 3 4 4 5 DA 20 20 25 25 35 45 D 6 6 8 8 10 12 DG 45 45 58 58 76 95 LA 30 30 42 42 54 70 LB 51 51 58 58 68 89 LC 87 89 106 108 132 169 Workpiece weight max. daN* 280 280 420 420 850 1500 r.p.m. max.* 5500 5500 5000 5000 4000 3500 Radial/axial load graph RK1/AK1 RK1/AK1 RK2/AK2 RK2/AK2 RK3/AK3 RK4/AK4 Supplementary seal ID.No. V20 V20 V25 V25 V35 V45 With draw-off thread see pages 16/17 *observe the load graphs
12 High Performance Live Centres S Series Types SH, SHG Centrepoint 60° carbide-tipped Regrindable to the regrinding line Runout Type SH max. 0.005 mm Type SHG max. 0.003 mm with test report Application For cylindrical grinding and turning operations during which additional stress is put on the centrepoint (e.g. large series, change of workpiece when spindle is turning, hard workpieces, extremely small workpiece centres). For cylindrical grinding operations we recommend the use of our supplementary seal (fig. on page 10) 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Radialbelastung daN Werkstückgewicht daN Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 3 6 2 1 4 RH AH 4 2 1 5 3 5 6 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Radialbelastung daN Werkstückgewicht daN Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 3 6 2 1 4 RH AH 4 2 1 5 3 5 6 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types SH, SHG Axial – Types SH, SHG r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN DG DA D LA LB LC regrinding line Type SH ID.No. 5241-2 5241-3 5242 5243 5246 5244 5247 5245 5249 Type SHG ID.No. 5251-2 5251-3 5252 5253 5256 5254 5257 5255 5259 Morse taper 2 3 2 3 3 4 4 5 6 DA 13 13 20 20 25 25 35 45 58 D 7 7 11 11 18 18 18 18 30 DG 32 32 45 45 58 58 76 95 120 LA 19 19 24 24 34 34 43 59 63 LB 38 38 52 52 58 58 68 89 102 LC 63 64 82 83 99 101 120 159 178 Workpiece weight max. daN* 120 120 200 200 400 400 600 1200 2100 r.p.m. max.* 7000 7000 5500 5500 5000 5000 4000 3500 2300 Radial/axial load graph RH1/AH1 RH1/AH1 RH2/AH2 RH2/AH2 RH3/AH3 RH3/AH3 RH4/AH4 RH5/AH5 RH6/AH6 Supplementary seal ID.No. V13 V13 V20 V20 V25 V25 V35 V45 V58 MT1 5241/5251 on request *observe the load graphs With draw-off thread see pages 16/17
13 High Performance Live Centres S Series Types SV, SVG Centrepoint 60° full carbide with safety core sa•co® Regrindable to the braze line Runout Type SV max. 0.005 mm Type SVG max. 0.003 mm with test report Application Same as type SH, SHG. The point angle of 60° up to the large diameter can be utilised for loading workpieces. For cylindrical grinding operations we recommend the use of our supplementary seal (fig. on page 10) A safety core is integrated in the carbide point of types SV, SVG. If the interface of carbide and basic material becomes overstressed, e.g. through operating error or mishandling, the safety core prevents the carbide with the loaded component from slipping. Thus high consequential damage is avoided. aco saco safety core from BRUCKNER ® s 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 2 1 3 RV AV 3 1 4 2 4 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 2 1 3 RV AV 3 1 4 2 4 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types SV, SVG Axial – Types SV, SVG r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN LA LB LC DG D braze line Type SV ID.No. 5242ZV20 5243ZV20 5246ZV25 5244ZV25 5247ZV35 5245ZV45 Type SVG ID.No. 5252ZV20 5253ZV20 5256ZV25 5254ZV25 5257ZV35 5255ZV45 Morse taper 2 3 3 4 4 5 D 20 20 25 25 35 45 DG 45 45 58 58 76 95 LA 24 24 34 34 43 59 LB 52 52 58 58 68 89 LC 82 83 99 101 120 159 Workpiece weight max. daN* 100 100 250 250 400 600 r.p.m. max.* 5500 5500 5000 5000 4000 3500 Radial/axial load graph RV1/AV1 RV1/AV1 RV2/AV2 RV2/AV2 RV3/AV3 RV4/AV4 Supplementary seal ID.No. V20 V20 V25 V25 V35 V45 *observe the load graphs
14 High Performance Live Centres S Series Types SE, SEG Centre spindle with 1:7.5 internal taper for interchangeable inserts Runout Type SE max. 0.005 mm Type SEG max. 0.003 mm with test report Application For one off, small and large series production, measuring. Advantages As the centre spindle wears only the insert has to be changed and once again the high performance centre is ready for use. Flexibility in application is made possible by a choice of eight different insert styles (page 15). Depending on the style the insert can be removed by its draw-off thread and draw-off nut or with spanners applied to the spanner flats. Adapter sleeve type KE (figure and table: see page 78) For regrinding interchangeable inserts. Combined with the interchangeable inserts, can be used as a dead centre in head- and tailstocks for special operations. For cylindrical grinding operations we recommend the use of our supplementary seal (fig. on page 10) LA LB LC DG DA K1 K1 Type SE ID.No. 5482 5483 5486 5484 5487 5485 Type SEG ID.No. 5482G 5483G 5486G 5484G 5487G 5485G Morse taper 2 3 3 4 4 5 DA 20 20 25 25 35 45 DG 45 45 58 58 76 95 K1 11 11 15 15 22 28 LA 14 14 17 17 18 21 LB 52 52 58 58 68 89 LC 71 72 81 83 95 121 SW (spanner flat) 16 16 22 22 30 41 r.p.m. max. 5500 5500 5000 5000 4000 3500 Suitable insert 482.. 482.. 484.. 484.. 487.. 485.. Supplementary seal ID.No. V20 V20 V25 V25 V35 V45 Load The load of types SE, SEG is limited by the interchangeable inserts (page 15) With draw-off thread see pages 16/17
15 High Performance Live Centres S Series Interchangeable inserts taper 1:7.5, in gauge accuracy Form A0, 60° with draw-off nut Form ASL, 60° slim, extended with draw-off nut Form AK0P, 60°/40° extended with draw-off nut Form A, 60° for hollow parts spanner flat (SW) Form B, centre 60° for centreless workpieces, with draw-off nut Form C, centre 60° for centreless workpieces, external angle 60° for hollow parts, spanner flat (SW) Form D, centre 60° for centreless workpieces, spanner flat (SW) Form A0HM, 60° with carbide insert with draw-off nut L B d D B d2 L B d2 L D d2 L Basic centre Types: SE, SEG, ASE KE (page 78) Interchangeable inserts Workpiece weight max. daN Insert dimensions Thread SW Taper dimensions taper 1:7.5 ID.No. ID.No. D d2 B d L LA K1 K2 l1 5482 5482G 5483 5483G 2952A 482AO 90 11.7 45 M14x1.5 11 8 23 482ASL 30 6 11.7 55 15 M14x1.5 482AKOP 90 5 11.7 50 M14x1.5 482A 90 17 45 SW14 482B 90 11.7 4x2 45 M14x1.5 482C 90 28 8x3 12 45 SW24 482D 90 28 20x6 45 SW24 482AOHM 60 7 11.7 45 M14x1.5 5484 5484G 5486 5486G 5484A 5486A 2953A 484AO 160 15.7 53 M18x1.5 15 11 30 484ASL 100 9 15.7 65 17 M18x1.5 484AKOP 160 6 15.7 58 M18x1.5 484A 160 25 60 SW22 484B 110 15.7 4x2 53 M18x1.5 484C 160 44 15x5 24 60 SW41 484D 160 44 35x12 64 SW41 484AOHM 60 7 15.7 53 M18x1.5 5487 5487G 5487A 2954A 487AO 300 21.6 74 M24x1.5 22 16.4 42 487ASL 100 9 21.6 86 17 M24x1.5 487AKOP 300 8 21.6 80 M24x1.5 487A 300 32 82 SW27 487B 240 21.6 5x2,5 74 M24x1.5 487C 300 55 20x6 30 82 SW50 487D 300 55 45x15 85 SW50 487AOHM 200 11 21.6 74 M24x1.5 5485 5485G 5485A 2955A 485AO 500 27.7 93 M30x1.5 28 21 52.5 485ASL 180 13 27.7 110 27 M30x1.5 485AKOP 500 8 27.7 105 M30x1.5 485A 500 45 105 SW41 485B 500 27.7 7x3 93 M30x1.5 485C 500 65 25x6 35 105 SW55 485D 500 65 55x20 105 SW55 485AOHM 500 18 27.7 93 M30x1.5 ID.No. Content P 10 100 g Installation paste Makes insert change easier. Apply thinly and evenly to the insert taper. D K2 K1 L l1 D d2 LA L D L D d2 L
16 High Performance Live Centres A Series Version A with draw-off thread Application With blind tailstock sleeve (without the possibility to remove the centre via a through hole) or for high precision machine tools to protect the spindle bearings or the tailstock sleeve. For cylindrical grinding operations we recommend the use of our supplementary seal (as shown on page 10). Special draw-off nut This nut assures centre removal from the tailstock even if the sleeve diameter is smaller than the centres housing diameter. Types AS, ASG 60° centrepoint Runout Type AS max. 0.005 mm Type ASG max. 0.003 mm with test report Technical data: see types S, SG (page 10) Type ASK0P 60°/ 40° centrepoint extended Runout max. 0.005 mm with test report Technical data: see type SKOP (page 11) Type ASHG 60° centrepoint with carbide insert Runout max. 0.003 mm with test report Technical data: see type SHG (page 12) Type ASVG on request Type ASE Centre spindle with 1:7.5 internal taper for interchangeable inserts Runout max. 0.005 mm with test report Technical data: see type SE (page 14), inserts (page 15) LM DM Spezialmutter Special draw-off nut
17 High Performance Live Centres A Series 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Radialbelastung daN Werkstückgewicht daN Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 3 4 RH AH 4 2 1 5 3 5 6 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 3 4 R A 4 5 6 3 5 6 Radial – Type ASHG Axial – all A Types 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 3 4 R A 4 5 6 3 5 6 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 Drehzahl 1/min Dre 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 3 4 RK AK 4 2 1 5 3 5 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types AS, ASG Radial – Type ASKOP r.p.m. r.p.m. r.p.m. r.p.m. workpiece weight daN radial load daN workpiece weight daN radial load daN workpiece weight daN radial load daN axial load daN Morse taper 3 4 4 5 6 Type AS ID.No. 5006A 5004A 5007A 5005A 5009A radial/axial load graph R3/A3 R3/A3 R4/A4 R5/A5 R6/A6 Type ASG ID.No. 5126A 5124A 5127A 5125A 5129A radial/axial load graph R3/A3 R3/A3 R4/A4 R5/A5 R6/A6 Type ASKOP ID.No. 5366A 5364A 5367A 5365A radial/axial load graph RK3/A3 RK3/A3 RK4/A4 RK5/A5 Type ASHG ID.No. 5256A 5254A 5257A 5255A radial/axial load graph RH3/A3 RH3/A3 RH4/A4 RH5/A5 Type ASE ID.No. 5486A 5484A 5487A 5485A load The load of type ASE is limited by the interchangeable inserts (page 15) Supplementary seal ID.No. V25 V25 V35 V45 V58 Special nut for version A ID.No. M58A M58A M76A M95A M120A DM 70 70 92 115 138 LM 24 24 28 39 45
18 High concentricity accuracy tested under axial load guaranteed by test report Through-hardened alloy tool steel centrepoint TOP-SEAL-SYSTEM protects the bearings from dirt and coolant Large-dimensioned precision roller bearings robust bearings to absorb the radial and axial forces. Maintenance-free due to permanent lubrication Housing of high tensile alloy tool steel. Housing and shank are case- hardened to protect from damage NC Series – a class on its own The BRUCKNER TOP-SEAL-SYSTEM provides a triple- layer protection from dirt and coolant (see the principle on page 20). The robust precision bearings have been specially designed for turning operations requiring high r.p.m. The NC series user works with high performance centres showing their class particularly when „the going gets tough“. Two types: Slim design for ease of access, minimum rolling resistance for small and medium work through low-friction bearings With extra high duty bearings for higher loads SYSTEM TOP SEAL High Performance Live Centres NC Series 1 2 3 4 5 1 2 3 4 5 Produced according to BRUCKNER WORKS STANDARD (page 8)
19 Types NC 33, NC 43 For high r.p.m. Centrepoint 60°/40° with draw-off thread Runout max. 0.005 mm, with test report Application For turning operations requiring high r.p.m. Triple-layer protection of bearings from penetration of coolant by the TOP-SEAL-SYSTEM (principle on page 20) High Performance Live Centres NC Series 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 4 3.1 2 1 RC AC 4 2 1 3.2 3 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 4 3.1 2 1 RC AC 4 2 1 3.2 3 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Type NC Axial – Type NC r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN DG DA LA LB LC D G SYSTEM TOP SEAL Type NC ID.No. 33.045-2 33.045-3 43.058-3 33.058-4 43.076-4 33.076-5 43.095-5 33.095-6 Draw-off nut ID.No. M45A M45A M60 M60 M80 M80 M100 M100 Morse taper 2 3 3 4 4 5 5 6 DA 20 20 25 25 35 35 45 45 D 6 6 14 14 16 16 20 20 DG 45 45 58 58 76 76 95 95 LA 25 25 35 35 44 44 54 54 LB 57 57 70 70 81 81 103 103 LC 87 88 112 112 132 132 164 164 G M45x2 M45x2 M60x1.5 M60x1.5 M80x2 M80x2 M100x2 M100x2 Workpiece weight max. daN* 280 280 500 500 1100 1300 2200 2200 r.p.m. max.* 8000 8000 7000 7000 6000 6000 5000 5000 Radial/axial load graph RC1/AC1 RC1/AC1 RC2/AC2 RC2/AC2 RC3.1/AC3 RC3.2/AC3 RC4/AC4 RC4/AC4 The thread specifications of the ID.Nos. 33.045-2 and 33.045-3 are similar to that of version A, *observe the load graphs fitting the special nut for version A (page 16).
20 High Performance Live Centres NC Series Types NCE 34, NCE 44 For high r.p.m. Centre spindle with internal taper 1:7.5 for interchangeable inserts with draw-off thread Runout max. 0.005 mm, with test report Application Variable clamping possibilities for CNC turning through interchangeable inserts. In the case of a collision or insert wear, type NCE offers the advantage that, simply by changing the insert, the high performance centre is immediately ready for use again. Multiple use is made possible by eight different insert styles (page 21). The coolant does not impact the seal, but flows with reduced energy into the first labyrinth channel. There the largest part of the coolant is drained through the first drain aperture. The small residue is wiped off the seal into the second labyrinth channel and flows through the second drain aperture. SYSTEM TOP SEAL BRUCKNER TOP-SEAL-SYSTEM Type NCE ID.No 34.045-2 34.045-3 44.058-3 34.058-4 44.076-4 34.076-5 44.095-5 34.095-6 Draw-off nut ID.No. M45A M45A M60 M60 M80 M80 M100 M100 Morse taper 2 3 3 4 4 5 5 6 DA 20 20 25 25 35 35 45 45 DG 45 45 58 58 76 76 95 95 K1 11 11 15 15 22 22 28 28 LA 9 9 11 11 13 13 14 14 LB 57 57 70 70 81 81 103 103 LC 72 73 88 88 101 101 124 124 G M45x2 M45x2 M60x1.5 M60x1.5 M80x2 M80x2 M100x2 M100x2 SW (spanner flat) 16 16 22 22 30 30 41 41 r.p.m. max. 8000 8000 7000 7000 6000 6000 5000 5000 Suitable insert (page 21) 482.. 482.. 484.. 484.. 487.. 487.. 485.. 485.. Load The load of type NCE is limited by the interchangeable inserts (page 21) The thread structure of the ID.Nos. 34.045-2 and 34.045-3 is similar to that of version A, fitting the special nut for version A (page 16). LA LB LC DG DA K1 G K1 SYSTEM TOP SEAL
21 High Performance Live Centres NC Series Interchangeable inserts taper 1:7.5, in gauge accuracy Form A0, 60° with draw-off nut Form ASL, 60° slim, extended with draw-off nut Form AK0P, 60°/40° extended with draw-off nut Form A, 60° for hollow parts spanner flat (SW) Form B, centre 60° for centreless workpieces, with draw-off nut Form C, centre 60° for centreless workpieces, external angle 60° for hollow parts, spanner flat (SW) Form D, centre 60° for centreless workpieces, spanner flat (SW) Form A0HM, 60° with carbide insert with draw-off nut L B d D B d2 L B d2 L D d2 L Basic centre Type: NCE Interchangeable inserts Workpiece weight max. daN Insert dimensions Thread SW Taper dimensions taper 1:7.5 ID.No. ID.No. D d2 B d L LA K1 K2 l1 34.045-2 34.045-3 482AO 90 11.7 45 M14x1.5 11 8 23 482ASL 30 6 11.7 55 15 M14x1.5 482AKOP 90 5 11.7 50 M14x1.5 482A 90 17 45 SW14 482B 90 11.7 4x2 45 M14x1.5 482C 90 28 8x3 12 45 SW24 482D 90 28 20x6 45 SW24 482AOHM 60 7 11.7 45 M14x1.5 44.058-3 34.058-4 484AO 160 15.7 53 M18x1.5 15 11 30 484ASL 100 9 15.7 65 17 M18x1.5 484AKOP 160 6 15.7 58 M18x1.5 484A 160 25 60 SW22 484B 110 15.7 4x2 53 M18x1.5 484C 160 44 15x5 24 60 SW41 484D 160 44 35x12 64 SW41 484AOHM 60 7 15.7 53 M18x1.5 44.076-4 34.076-5 487AO 300 21.6 74 M24x1.5 22 16.4 42 487ASL 100 9 21.6 86 17 M24x1.5 487AKOP 300 8 21.6 80 M24x1.5 487A 300 32 82 SW27 487B 240 21.6 5x2,5 74 M24x1.5 487C 300 55 20x6 30 82 SW50 487D 300 55 45x15 85 SW50 487AOHM 200 11 21.6 74 M24x1.5 44.095-5 34.095-6 485AO 500 27.7 93 M30x1.5 28 21 52.5 485ASL 180 13 27.7 110 27 M30x1.5 485AKOP 500 8 27.7 105 M30x1.5 485A 500 45 105 SW41 485B 500 27.7 7x3 93 M30x1.5 485C 500 65 25x6 35 105 SW55 485D 500 65 55x20 105 SW55 485AOHM 500 18 27.7 93 M30x1.5 ID.No. Content P 10 100 g Installation paste Makes insert change easier. Apply thinly and evenly to the insert taper. D K2 K1 L l1 D d2 LA L D L D d2 L
22 High Performance Live Centres LK Series High concentricity accuracy tested under axial load guaranteed by test report Through-hardened alloy tool steel centrepoint Seal ring protects the bearings from dirt and coolant Precision bearings bearings seats of housing and centre spindle are precision ground and matched to the bearings. Maintenance-free due to permanent lubrication Housing of high tensile alloy tool steel. Housing head and shank are case-hardened for protection against damage 1 2 3 4 5 LK Series – with superior stiffness This high performance live centre was developed for use with advanced turning and grinding technology. With a short design, the bearings and pitch of the bearings distance are matched so that this high performance centre withstands vibrations in all machining situations. The bearings are designed for higher r.p.m. Result Excellent surface quality Longer tool life Improved machine tool efficiency Two types for MT4 and MT5 Slim design for light machining With stronger bearings for normal to heavy machining 1 2 3 4 4 5 Produced according to BRUCKNER WORKS STANDARD (page 8)
23 High Performance Live Centres LK Series Types LKS, LKSG Centrepoint 60° Runout Type LKS max. 0.005 mm Type LKSG max. 0.003 mm with test report Application High performance turning, hard turning, fine turning, cylindrical grinding. Optimum workpiece surface finish due to the short stable anti-vibration design. 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 3 2 1 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 4 RL AL 3 2 1 4 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 3 2 1 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 4 RL AL 3 2 1 4 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types LKS/LKSG Axial – Types LKS/LKSG D G DG LB LA LC LM G DM Nut 4x90° r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN Draw-off nut ID.No. G LM DM M55L M55x1.5 10 68 M68L (MT4) M68x1.5 15 80 M68L-5 (MT5) M68x1.5 15 80 M92L M92x1.5 18 110 M127L M127x1.5 18 145 Type LKS ID.No. 750S 055003A 750S 055004A 750S 068004A 750S 068005A 750S 092005A 750S 127006A Type LKSG ID.No. 751S 055003A 751S 055004A 751S 068004A 751S 068005A 751S 092005A 751S 127006A Morse taper 3 4 4 5 5 6 D 26 26 36 36 51 71 DG 55 55 68 68 92 127 LA 26 26 35 35 47 65 LB 41 41 51.5 51.5 60 80 LC 71 72 92 92 113 152 G M55x1.5 M55x1.5 M68x1.5 M68x1.5 M92x1.5 M127x1.5 Workpiece weight max. daN* 420 420 1200 1200 2000 4400 r.p.m. max.* 7000 7000 6000 6000 5000 3000 Radial/axial load graph RL1/AL1 RL1/AL1 RL2/AL2 RL2/AL2 RL3/AL3 RL4/AL4 Draw-off nut M55L M55L M68L M68L-5 M92L M127L *observe the load graphs
24 Types LKV, LKVG Centrepoint 60°/40° extended Runout Type LKV max. 0.005 mm Type LKVG max. 0.003 mm with test report Application High performance turning, hard turning, fine turning, cylindrical grinding. The working space is enlarged due to the extended, slim centrepoint. High Performance Live Centres LK Series 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 3 2 1 RD AD 3 2 1 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 3 2 1 RD AD 3 2 1 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types LKV/LKVG Axial – Types LKV/LKVG D G DA DG LB LA LC r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN Type LKV ID.No. 750V 055003A 750V 055004A 750V 068004A 750V 068005A 750V 092005A Type LKVG ID.No. 751V 055003A 751V 055004A 751V 068004A 751V 068005A 751V 092005A Morse taper 3 4 4 5 5 DA 26 26 36 36 51 D 12 12 14 14 17 DG 55 55 68 68 92 LA 33 33 45,5 45,5 64 LB 41 41 51.5 51.5 60 LC 78 79 102 103 130 G M55x1.5 M55x1.5 M68x1.5 M68x1.5 M92x1.5 Workpiece weight max. daN* 320 320 900 900 1400 r.p.m. max.* 7000 7000 6000 6000 5000 Radial/axial load graph RD1/AD1 RD1/AD1 RD2/AD2 RD2/AD2 RD3/AD3 Draw-off nut (page 23) M55L M55L M68L M68L-5 M92L *observe the load graphs
High Performance Live Centres LK Series 25 Types LKH, LKHG Centrepoint 60° with carbide insert Runout Type LKH max. 0.005 mm Type LKHG max. 0.003 mm with test report Application High performance turning, hard turning, fine turning, cylindrical grinding. For operations in which additional stress is put on the centrepoint (e.g. large series, workpiece change when spindle is running, hard workpieces, extremely small workpiece centres). D G DA DG LB LA LC 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 2 1 RE AE 3 2 1 3 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 2 1 RE AE 3 2 1 3 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types LKH/LKHG Axial – Types LKH/LKHG r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN Type LKH ID.No. 750H 055003A 750H 055004A 750H 068004A 750H 068005A 750H 092005A Type LKHG ID.No. 751H 055003A 751H 055004A 751H 068004A 751H 068005A 751H 092005A Morse taper 3 4 4 5 5 DA 26 26 36 36 51 D 14 14 18 18 18 DG 55 55 68 68 92 LA 26 26 35 35 47 LB 41 41 51.5 51.5 60 LC 71 72 92 92 113 G M55x1.5 M55x1.5 M68x1.5 M68x1.5 M92x1.5 Workpiece weight max. daN* 240 240 450 450 500 r.p.m. max.* 7000 7000 6000 6000 5000 Radial/axial load graph RE1/AE1 RE1/AE1 RE2/AE2 RE2/AE2 RE3/AE3 Draw-off nut (page 23) M55L M55L M68L M68L-5 M92L *observe the load graphs
26 High Performance Live Centres C Series 2 4 3 5 1 4 1 2 3 4 Hohe Rundlaufgenauigkeit High concentricity accuracy tested under axial load, guaranteed by test report Coolant deflector a deflector integrated into the through- hardened centre spindle deflects most of the coolant (page 27) TOP-SEAL-SYSTEM undeflected residue is wiped off the seal and flows through the drain groove (page 27) Precision bearings bearing seats of housing and centre spindle are precision ground and matched to the bearings Housing of high tensile alloyed tool steel. Housing head and shank are case-hardened for protection against damage 5 Types CS/CE – Types CSG/CEG Compact precision design for mechanical processing With its short anti-vibration design, the small housing diameter and precision bearings our types CS/CSG and CE/CEG are ideal for a wide range of mechanical manufacturing operations. Bearings are reliably protected from the ingress of dirt and coolant by the deflector integrated into the centre spindle and the proven TOP-SEAL-SYSTEM. The service friendly design assures minimum repair costs: Needle bearings with outer ring. In case of needle bearings wear the housing is not damaged and can be re-used with new replacement bearings. Produced according to BRUCKNER WORKS STANDARD (page 8)
27 High Performance Live Centres C Series small housing diameter, short design Types CS, CSG Centre spindle 60° with coolant deflector and TOP-SEAL-SYSTEM Runout Type CS max. 0.003 mm Type CSG max. 0.001 mm with test report Application use where the workspace is constrained or limited for turning, high performance turning, hard turning, fine turning, cylindrical grinding Coolant deflector + TOP-SEAL-SYSTEM Coolant strikes the circular deflecting surface and its largest part is deflected away from the centre housing. The residue is wiped from the seal and flows through the drain groove. D DG LA LB LC G Type CS ID.No. 600S 032002A 600S 035003A 600S 046004A Type CSG ID.No. 601S 032002A 601S 035003A 601S 046004A Morse taper 2 3 4 D 18 22 30 DG 32 35 46 LA 19.5 23 30 LB 35.5 43.5 46 LC 60 71 81.5 G M35x1.5 M38x1.5 M48x1.5 Workpiece weight max. daN* 150 325 460 r.p.m. max.* 5500 5000 5000 Radial/axial load graph RY1/AY1 RY2/AY2 RY3/AY3 Draw-off nut (page 28) M35DIN1804 M38DIN1804 M48DIN1804 *observe the load graphs 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 r.p.m. 400 40 50 200 100 300 500 1000 2000 workpiece weight daN 1000 500 250 200 150 100 50 25 20 radial load daN 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 r.p.m. 1000 40 50 100 200 300 400 500 2000 axial load daN 3 2 1 AY 3 2 1 RY 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 r.p.m. 400 40 50 200 100 300 500 1000 2000 workpiece weight daN 1000 500 250 200 150 100 50 25 20 radial load daN 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 r.p.m. 1000 40 50 100 200 300 400 500 2000 axial load daN 3 2 1 AY 4 3 2 1 RY Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Types CS/CSG Axial – Types CS/CSG
28 High Performance Live Centres C Series small housing diameter, short design Types CE, CEG Centre spindle with internal taper 1:7.5 for interchangeable inserts with coolant deflector and TOP-SEAL-SYSTEM (page 27) Runout inside the internal taper Type CE max. 0.003 mm Type CEG max. 0.001 mm with test report Runout of the system can be minimized by twisting the insert in the internal taper Application use where the workspace is constrained or limited for turning, high performance turning, hard turning, fine turning, cylindrical grinding Multiple options through a choice of 8 interchangeable inserts (page 29) Draw-off nut ID.No. G LM DM M35DIN1804 M35x1.5 11 55 M38DIN1804 M38x1.5 11 58 M48DIN1804 M48x1.5 13 75 DA K1 DG LA LB LC G DM Nut 4x90° LM G K1 Type CE ID.No. 600E 032002A 600E 035003A 600E 046004A Type CEG ID.No. 601E 032002A 601E 035003A 601E 046004A Morse taper 2 3 4 DA 20 22 25 DG 32 35 46 K1 11 11 15 LA 12 13 15 LB 35.5 43.5 46 LC 52.5 61 67 G M35x1.5 M38x1.5 M48x1.5 SW 16 16 22 r.p.m.max. 5500 5000 5000 Load The radial load of types CE/CEG is restricted by the interchangeable inserts (page 29) Draw-off nut M35DIN1804 M38DIN1804 M48DIN1804 Suitable inserts (page 29) 482 482 484
29 High Performance Live Centres C Series Form B, centre 60° for centreless workpieces, with draw-off nut Form C, centre 60° for centreless workpieces, external angle 60° for hollow parts, spanner flat (SW) Form D, centre 60° for centreless workpieces, spanner flat (SW) Form A0HM, 60° with carbide insert with draw-off nut L B d D B d2 L B d2 L D d2 L D K2 K1 L l1 D d2 LA L D L D d2 L Interchangeable inserts taper 1:7.5, in gauge accuracy Form A0, 60° with draw-off nut Form ASL, 60° slim, extended with draw-off nut Form AK0P, 60°/40° extended with draw-off nut Form A, 60° for hollow parts spanner flat (SW) Basic centre Types: CE/CEG Interchangeable inserts Radial load max. daN Insert dimensions Thread SW Taper dimensions taper 1:7.5 ID.No. ID.No. D d2 B d L LA K1 K2 l1 600E 032002A 601E 032002A 600E 035003A 601E 035003A 482AO 90 11.7 45 M14x1.5 11 8 23 482ASL 30 6 11.7 55 15 M14x1.5 482AKOP 90 5 11.7 50 M14x1.5 482A 90 17 45 SW14 482B 90 11.7 4x2 45 M14x1.5 482C 90 28 8x3 12 45 SW24 482D 90 28 20x6 45 SW24 482AOHM 60 7 11.7 45 M14x1.5 600E 046004A 601E 046004A 484AO 160 15.7 53 M18x1.5 15 11 30 484ASL 100 9 15.7 65 17 M18x1.5 484AKOP 160 6 15.7 58 M18x1.5 484A 160 25 60 SW22 484B 110 15.7 4x2 53 M18x1.5 484C 160 44 15x5 24 60 SW41 484D 160 44 35x12 64 SW41 484AOHM 60 7 15.7 53 M18x1.5 ID.No. Content P 10 100 g Installation paste Makes insert change easier. Apply thinly and evenly to the insert taper. Changing of inserts Depending on the style the insert can be removed by its draw-off thread and draw-off nut or with spanners applied to the spanner flats.
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