rotary boring tapping cutting special machine programming characteristics

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Diameter programming mode

rotary boring tapping cutting special machine machining rotary boring tapping cutting special machine machining parts, its cross section is circular, so the size of the specified diameter and radius of the specified 2 methods. When programming with diameter values, it is called diameter programming; When programming with radius values, it is called radius programming.

Since the radial dimensions of the parts are expressed in diameter on the drawing and measurement, most CNC lathe systems use diameter programming. That is, absolute coordinate programming, X is the diameter value of the part; Relative coordinate programming, X is 2 times the actual radial displacement of the tool.

Absolute coordinates and incremental coordinates

In a program segment, it can be programmed in absolute or incremental coordinate mode, or both or programming. In the process of programming, the rational use of absolute coordinates and incremental coordinates will simplify the design of the machining program. In FANUC numerical control system, "X,Z" is used to represent the absolute coordinate mode, and" U,W "is used to represent the incremental coordinate mode.

It has a fixed circulation function

Due to the common use of rod or forging material as the wool, the processing allowance is large, and the processing needs several times. In order to simplify programming, rotary boring tapping cutting special machine has a variety of different forms of fixed cutting cycle functions, such as cylindrical, cone fixed cutting cycle. Face fixed cutting cycle, thread fixed cutting cycle and compound fixed cutting cycle, these cycle instructions can simplify programming.

Feeding and retracting methods

For cutting, the tool is used to quickly approach a point near the starting point of the workpiece, and then switch to cutting feed, in order to reduce the time of empty cutting tool, improve processing efficiency, the determination of the cutting starting point is related to the size of the workpiece hair, and the tool quickly goes to the starting point of the tool tip does not collide with the workpiece.

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