Walter's Thread Formers Reduce Torque, Improve Lubrication
Walter’s TC420 Supreme thread features a radial internal coolant for blind-hole and through-hole threads, which the company claims is optimized for maximum performance in universal applications.
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Hwacheon Machinery America, Inc.
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Walter has introduced the new TC420 Supreme thread for universal use. The HSS-E-PM thread former reportedly produces high cutting speeds with up to 30 percent less torque, and provides good surface finish. The TC420 Supreme includes one configuration with chamfer form E (M5–M16) for blind-hole threads up to 3.5 × DN, which uses a combination of chamfer form E with axial internal coolant and without lubrication grooves. This new combination reportedly improves the lubrication and reduces the torque by up to 30% — with a corresponding extension of tool life.
A new feature of the TC420 Supreme metric version, now up to M24 dimensions, is radial internal coolant for blind-hole and through-hole threads, which Walter claims is optimized for maximum performance in universal applications.
The TC420 Supreme reportedly provides high cutting data, long tool life and good surfaces. The new thread formers also show higher break-out resistance under dynamic load compared with other threading techniques. Walter’s TC420 Supreme thread formers are available in medium to large batch sizes, with and without lubrication grooves, with axial or radial internal coolant and without internal coolant. Tool coating options are either TiN coating (WW60AD grade) or TiCN (WW60BA). Typical areas of application include general metalworking, automotive and energy industries for ISO materials P, M, K, N and S.
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