High Performance Centres for Turning and Grinding
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Precision and reliability first High Performance Centres for Turning and Grinding

High performance live centres Präzision aus gutem Hause. Quick Find Types SKOP/SKOPG Standard centres (without spring loading) for high precision turning, CNC turning and cylindrical grinding Technical information Page 4/5 Live centres without spring loading, for turning, high speed CNC turning. Incorporating TOP-SEAL sealing system 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 Technical information LR/LD Series Spring loaded centres. LR: with...

Types SH/SHG Types SV/SVG Types SE/SEG 60° with carbide insert 60° full carbide with sa •co ® safety core with draw-off thread BÖKO Series 60° with carbide insert Centres without spring loading for turning and CNC turning Spring loaded centres with pressure indication for CNC lathes without tailstock and CNC lathes with opposed spindles Cylindrical Shank for interchangeable inserts Page 39 Page 40 60°, 60°/40° and for centering inserts Special Designs Special Designs Special Designs Live sleeves Bullnose live centres High performance live centres Tool steel dead centres Technical...

Rotating high performance centre for heavy-duty machining, with 2 roller bearings (1936) Brochure 1940 > The Past Lathe with rotating high performance centre from BRUCKNER Company premises in Stuttgart 1920 The founder, Karl Bruckner 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...

Administration building Production halls Todays product range well illustrates the unending Bruckner quest for perfection and precision. Measuring room A highly qualified and motivated staff is committed to fulfilling customer demands. The application of high precision machine tools and the highest inhouse standards of measurement have decisive influences on manufacturing. 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...

High Performance Live Centres – Quick Find Conventional turning Operation requirements Recommended series/types High workpiece surface finish Hard workpieces (hard turning) High live centre rigidity Elimination of or minimum vibrations during operation Heavy coolant flow High r.p.m. (> 5.000 1/min.) Long shafts Thermal expansion of workpiece due to machining Large workpiece centres/bores Variable clamping possibilities for different workpieces High rate of wear on the 60° centre point angle Wear reduction on the 60° angle by carbide tipping Types SE/SEG Type NCE Types SH/SHG Types SV/SVG...

High Performance Live Centres – Quick Find Cylindrical grinding Operation requirements Workpiece accuracy Recommended series/types S Series 3µm with additional sealing (9-15) High workpiece surface finish Elimination of or minimum vibrations during operation Heavy coolant flow Long shafts S Series 3µm, with additional sealing (9-15) S Series 3µm with additional sealing (9-15) Large workpiece centres/bores Variable clamping possibilities for different workpieces Type SEG with additional sealing (14/15) Type SHG Wear reduction on the 60° angle by carbide tipping with additional sealing (12)...

High Performance Live Centres BRUCKNER WORKS STANDARD 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. 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. Example: table „maximum...

High Performance Live Centres Centrepoint of through-hardened alloy tool steel Seal ring protects the bearings from dirt and coolant. Optionally available with supplementary seal (page 10) 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. High concentricity accuracy...

High Performance Live Centres Types S, SG Runout Type S Type SG 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. supplementary seal Morse taper D DG LA LB LC Workpiece...

High Performance Live Centres Types SKOP, SKOPG Runout Type SKOP Type SKOPG 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 Type SKOP Type SKOPG Morse taper DA D DG LA LB LC Workpiece weight max. daN* r.p.m. max.* Radial/axial load graph Supplementary seal ID.No. With draw-off thread see pages 16/17 *observe the load graphs Radial and axial loads for a bearing...