GBP 57 ​ Disc brushes Disc brushes with extremely tightly packed abrasive bristles (right to the edge of the brush) embedded in the plastic pad. The bristles support each other, giving a highly stable shape. Very long working life. Advantage: ■ Workpiece post-processing directly after the machining process. ■ Reproducible results due to continuous exposure of the abrasive grit. ■ Process reliability thanks to high stability and accuracy of the shape. ■ Quick and secure mounting without further accessories. ■ Very high concentricity. Application: On CNC machining centres and when used by robots, preferably wet grinding with cooling lubricant. Machining of flat components: precise deburring, edge rounding, finish machining after milling, surface finishing e.g. of sealing and mating faces. Note: Special versions available on request. Brush ⌀ Speed recommended Maximum speed Feed rate Infeed (when wet grinding) (rpm) (rpm) (mm/min) (mm) ⌀ 20 mm 1500 – 2500 5000 ⌀ 25 mm 1500 – 2500 5000 Material (hard) 0.8 mm Geometry (complex) 800 mm/min ⌀ 50 mm 1200 – 2400 4500 (fine) Surface finish (coarse) ⌀ 63 mm 1200 – 2400 4500 ⌀ 70 mm 1200 – 2400 4500 ⌀ 100 mm 1000 – 1700 3500 Material (soft) 2.0 mm Geometry (simple) 3000 mm/min ⌀ 119 mm 1000 – 1700 3000 (coarse) Surface finish (fine) ⌀ 144 mm   900 – 1200 2500 ​ 57 5002–​57 5018 ● ● ○ ○ ○ ○ ○ ○ ● ● ● ○ 57 5022–​57 5038 ● ● ○ ○ ○ ● ● ○ Disc brushes, shank mounting ​ SiC CER 6 mm shank, solidly cast in place. 57 5002–5005 – Nylon bristles with very high silicon carbide grit content for general-purpose use. 57 5022–5026 – Nylon bristles with ceramic grit content. More aggressive abrasive effect. ⌀ D2 Disc dia. Length of brush section ⌀ DS Grit 80 120 D2 H1 mm mm 57 5002 ⌀ 20 mm eShop eShop 24 25 51P 51P 51P 51P 51P 51P Disc brush with shank, 57 5004 silicon carbide (SiC) ⌀ 25 mm eShop eShop 29 25 H1 57 5005 ⌀ 50 mm eShop eShop 55 25 ⌀ D1 57 5002 57 5022 Disc brush with shank, ⌀ 20 mm eShop eShop 24 25 57 5024 ceramic grit (CER) ⌀ 25 mm eShop eShop 29 25 ⌀ D2 ⌀ d1 57 5026 ⌀ 50 mm eShop eShop 55 25 Shank ⌀ Ds mm 6 ​ ​ Grit designation coarse medium ​ ​ Bristle thickness mm 1.2 0.6 ​ ​ L3 ⌀ D1 Disc brushes, face mill arbor mounting ​ With longitudinal groove for clamping on face mill arbors (DIN 6357) and combination face mill adapters (DIN 6358). 57 5006/5008 – Conical brushes for inaccessible places. Greater flexibility. 57 5006–5018 – Nylon bristles with very high silicon carbide grit content for general-purpose use. 57 5030–5038 – Nylon bristles with ceramic grit content. More aggressive abrasive effect. SiC 57 5008 Disc dia. Bore ⌀ Length of brush Grit 80 120 180 D2 d1 section H1 mm mm mm 57 5006 ⌀ 50 mm eShop eShop – 45 16 with groove 30 51P 51P 51P 51P 51P 51P 51P 51P 51P 51P 57 5008 ⌀ 63 mm eShop eShop – 58 16 with groove 30 57 5010 Disc brush, silicon carbide ⌀ 70 mm eShop eShop eShop 76 22 with groove 35 57 5012 (SiC) ⌀ 100 mm eShop eShop eShop 106 22 with groove 35 57 5010 – 57 5018 57 5015 ⌀ 119 mm eShop eShop eShop 125 27 with groove 38 57 5018 ⌀ 144 mm eShop eShop eShop 150 32 with groove 43 57 5030 ⌀ 70 mm eShop eShop – 76 22 with groove 35 CER 57 5032 Disc brush, ceramic grit ⌀ 100 mm eShop eShop – 106 22 with groove 35 57 5035 (CER) ⌀ 119 mm eShop eShop – 125 27 with groove 38 57 5038 ⌀ 144 mm eShop eShop – 150 32 with groove 43 Grit designation coarse medium fine ​ ​ ​ Bristle thickness (57 5006, 57 5008) mm 1.2 0.6 – ​ ​ ​ Bristle thickness (57 5010, 57 5012, 57 5015, 57 5030 – 57 5038 1.2 1.1 1 ​ ​ ​ 57 5018, 57 5030, 57 5032, 57 5035, 57 5038) mm 1280