Каталог Carmex общий 2021 - страница 100

® Thread Turning Technical Section Important Points about Carmex Threading Inserts 1. In most thread forms internal and external threads have different 4. Profiles of Carmex depth and radii, thus internal & external tools are not threading inserts interchangeable are precision ground to ensure accurate thread geometry when used in their corresponding 2. The Insert relief toolholders. angle of a standard Using internal inserts Carmex external with an external holder toolholder is 10˚; for an will result in distortion of angle internal toolholder it is 15˚. and insert geometry. This 5º difference is to provide additional necessary radial clearance. 5. Insert and toolholder 3. Our built-in relief angles should always match. ensure automatic insert An IN-RH insert must be flank angle clearance. used with an IN-RH toolholder. No mismatch is allowed. Flank Clearance Angle A04-6