1. The commonly used turning tool tip types are as follows:
(1) Rough turning tool: mainly used to cut a large number of excess parts to make the diameter of the working object close to the required size. Surface luminosity is not important when rough turning, so the turning tip can be ground into a sharp peak, but the peak usually needs to have a slight roundness to avoid breakage.
(2) Fine turning knife: This blade can be polished with oil stone, so that the car has a very rounded surface luminosity, generally speaking, the round nose of the fine turning knife is larger than the rough turning knife.
(3) Round nose turning tool: can be applied to many different types of work is a common turning tool, can be turned left and right when smoothing the top surface, can also be used to turn brass. This turning tool can also form a circular surface on the shoulder corner and can also be used as a fine turning tool.
(4) Cutting turning tool: only the end cutting work, this turning tool can be used to cut the material and turning groove.
(5) Screw turning knife (tooth knife): used for turning screws or nuts, according to the form of threads, divided into 60 degrees, or 55 degrees V-shaped toothknife, 29 degree trapezoidal tooth knife, square tooth knife.
(6) Hole-drilling turning tool: used to turn drilled or cast holes. The purpose is to achieve the light size or true straight hole surface.
(7) Side turning tool or side turning tool: used to turn the end face of the working object, the right turning tool is usually used in the end of the fine turning axle, and the left turning tool is used to fine the left side of the turning shoulder.
(1) Right-hand turning tool: from right to left, turn the outer diameter of the workpiece.
(2) Left-hand turning tool: from left to right, turn the outer diameter of the workpiece.
(3) Round nose turning tool: the blade is circular arc, which can be turned left and right, suitable for turning of rounded corners or curved surfaces.
(4) Right turning tool: turning the right end face.
(5) Left turning tool: turning the left end face.
(6) Cutting knife: used to cut or groove.
(7) Inner hole turning tool: used to turn the inner hole.
(8) External thread turning tool: used to turn external threads.
(9) Internal thread turning tool: used to turn internal threads.