External Thread Cutting Tools Lathe

Cutting tools used on a lathe are generally single pointed cutting tools and although the shape of the tool is changed for various applications.

External thread cutting tools lathe.

Screw thread cutting screw threads are cut with the lathe for accuracy and for versatility. A thread is a uniform helical groove cut inside of a cylindrical workpiece or on the outside of a tube or shaft. 4 1 external thread cutting tool metric b s w or american v thread are formed by a single point thread cutting tool. The shape of the tool is determined by the included angle at the nose of the tool which should correspond to the angle of the thread.

The leading edge of the tool bit that does the cutting. Threading lathe tools cut threads in plastic and most metal with these high speed steel tools. 1 cutting depth 8 to 32 tpi 0 36 diam internal thread solid carbide single point threading tool bright finish 2 1 2 oal 3 8 shank diam 0 08 projection from edge 60 profile. The same nomenclature applies to all cutting tools.

Usually 5 to 7 light cuts create the correct depth of the thread. The bottom surface of the tool shank. The tool moves across the piece linearly taking chips off the workpiece with each pass. In external thread cutting the piece can either be held in a chuck or mounted between two centers.