Режущие и зажимные инструменты Hoffmann Group 2026 - страница 241

GBP 57 No longer in the portfolio. 16 4350/51 16 4348 16 4346 16 4352 16 4362/92 16 4347 Current portfolio. 16 4400 16 4410 16 4420 16 4405 16 4415 16 4425 ■ Patented cooling strategy. ■ Innovative geometry. ■ Universal, configurable and delivered quickly. ■ Best price-performance ratio. = Master Performance in high-performance reaming. Impressive test results: Test in 42CrMo4, vc = 180 m/min, f = 1.7 mm/rev, machining depth = 3×D Competitor 1 Competitor 2 16 Competitors with aggressive pricing policy – 840 through 840 blind after 84 through holes. holes. holes. Reaming oversize in ⌀ Tool Material Cutting data The result (mm) vc = 150 m/min 164425 8H7 1.2379 / X155 CrVMo 12 0.2 Tool life ends after 2000 fits. f = 1.4 mm/rev vc = 10 m/min 164420/25 12H7 1.7131 case hardened to 60 HRC f = 0.12 mm/rev 0.1 Tool life ends after 40 fits. vc = 180 m/min 164420/25 10H7 1.7131 16 MnCr5 f = 1.2 mm/rev 0.2 Test ends at 400 fits. Good Rz values of around 2µm, very low wear in the μm range. vc = 20–30 m/min 164410/15 12 3.7164 / TI6 AL4V f = 0.2–0.6 mm/rev 0.1 Tool has an optimised geometry to prevent heat generation. 3.3547 / AlMg 4.5 Mn vc = 250 m/min 164400/05 12 0.2 Rz values of 1.3–1.7 with good chip formation and chip evacuation. 3.4365 / AlZn 5.5 MgCu f = 1.5–2.4 mm/rev Hoffmann Group Tool Tip: ■ Uncompromising machining of steel and stainless steel with ■ If necessary, you can adapt the cutting data to the GARANT Master Steel high-performance reamer. the capabilities of your machine. ■ When performing high-performance machining, pay ■ For convenient and quick removal of chip buildup on the attention to the tool run-out in the machine (not greater reaming tool (e.g. in 1.7131and 1.4301), please note our than 5 µm) in order to achieve attractive machining results. extensive range of hand tools! ■ If necessary, reduce the retraction speed to avoid the formation of grooves on the wall of the hole. 241