Inside spherical circle is spherical knife
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The first flank of 1mm. When using, the pin that knife head passes Ø6mm, if pursue,installation is in (in the arbor chamfer that shows when B) , can turn, so that the edge in front is used blunt hind, rotate change new where a thing can be put to best use. Graph circle is spherical this knife basically uses knife and arbor at material to be the spherical finish machining inside casting pig and brittleness nonferrous metal. When treatment, to workpiece inside spherical undertake rough machining, stay have finish machining surplus, have precision work with this knife next. Cutting tool must make point and work center consistent when installation, workpiece (or cutting tool) turning it is OK to invert. Cutting speed can choose to be 10 ～ 20m/min, feed is 0.
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1mm/r. The workpiece surface surface roughness after cutting can amount to Ra1.
6µm, the operation is very convenient, it applies to lathe not only, also apply to boring machine, milling machine, drilling machine internally spherical undertake machining. CNC Milling