Ручные и измерительные инструменты Hoffmann Group 2026 - страница 416

GBP 57 Technical brushes Wire material Steel wire / brass-coated steel wire High-strength stainless steel Micro-abrasive polyamide bristles, Brass wire for machining non-ferrous with high tensile and flexural strength. wire (INOX) with high resistance incorporating abrasive Aluminium metals and natural materials. to corrosion, acids, alkalis, and high Oxide (A) or Silicon Carbide (SiC) grit. temperatures. Instructions for use − Note optimising the brushing results Only the tips of the bristles act on the workpiece. Excessive contact pressure does Correct working method Wrong working method not improve the result, but increases the required drive power and reduces the working life of the brush. Correct pressure Excessive pressure 57 Recommended circumferential speeds for brushing jobs Circumferential speed in m/s Action Circumferential Brush ⌀ Wire thickness Bristle length Applications 15 20 25 30 35 40 45 50 speed Deburring 25 – 35 Cleaning welded joints 35 – 45 Increasing the brushing effect Removing scale 35 – 45 Reducing the brushing effect Polishing 30 – 40 Brush retains burrs Processing plastics 15 – 25 Weld seam dressing Removing discolouration Brush access to restricted Knotted wheel and cup brushes, Wheel brushes with shank, places highly aggressive. with waved stainless steel wire. Knotted end brush opens due to centrifugal force. Deburring Rust removal, paint removal Cleaning, deburring, Wheel brushes with waved wire. Cup brushes for use on surfaces. blending, finishing Abrasive bristles for very fine surface finishes. ​Wheel brushes Multi-row − made of steel wire / stainless steel wire / brass wire / abrasive bristles ​ Waved wire firmly crimped into the steel body. High density, high concentricity, and good wear resistance. Adaptable to various different mounting bores by use of interchangeable reducing rings (supplied). L1 Size 250×30; 300×35 – Bore with double spline. Application: Use on bench grinder or polishing machines, or on machines with flexible drive heads. 57 0100–0200/0170–0220 – For roughening, cleaning, removing rust, and scale etc. ⌀ D1 ⌀ d 1 57 1050/0170 – For brass, copper, light alloys, etc. For polishing, fine brushing etc. H1 Brush ⌀ D1× bristle width L1 mm 80×22 100×20 120×30 125×23 Wire wheel brush 57 0100 – eShop – eShop Stainless steel wire Steel wire 57L Steel wire 0.30 / 0.35 mm Wire wheel brush 57 0120 57H – eShop – eShop Steel wire 0.30 mm Wire wheel brush (green) 57 0200 – eShop – eShop 57L Stainless steel wire 0.30 mm 57 1050 eShop – eShop – 57H 57L Wire wheel brush Brass wire 0.15 mm. 57 0170 – – eShop – Brush width mm 24 19 25 20 Bore ⌀ d1 mm 20 30 30 40 12 / 12.7 / 16 12 / 12.7 / 16 12.7/ 16 / Reducing ring ⌀ mm 8 / 20 / 22.2 / / 22.2 / 25.4 20 / 22.2 / 25.4 25.4 / 32 Length of brush section H1 mm 20 23 33 27 Reducing ring set Brass wire maximum speed min-1 10000 8000 6000 6000 416