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CNC machining can greatly reduce the number of tooling, and parts with complex shapes do not require complex tooling. If you want to change the shape and size of the part, you only need to modify the part processing program, which is suitable for new product development and modification. The processing quality is stable, the processing precision is high, and the repeatability is high, which is suitable for the processing requirements of aircraft.
The production efficiency is high in the case of multi-variety and small batch production, which can reduce the time for production preparation, machine tool adjustment, and process inspection, and reduces the cutting time due to the use of the optimal cutting amount.
It can process complex surfaces that are difficult to process by conventional methods and even process some unobservable processing parts.
In actual operation, the CNC lathe feed processing path refers to the path that the turning tool moves from the tool setting point (or the fixed origin of the machine tool) until it returns to this point and ends the processing program, including the cutting path and the tool cut-in, cutting out and other non-cutting idle travel paths.
The feed route of finishing is basically carried out in sequence along its part contour, therefore, the key point of determining the feed route is to determine the feed route of rough machining and idle travel.
In CNC lathe processing, the determination of the processing route generally follows the following principles.
1. It should be able to ensure the accuracy and surface roughness of the workpiece to be processed.
2. Make the processing route the shortest, reduce the idle travel time, and improve the processing efficiency.
3. Try to simplify the workload of numerical calculation and simplify the processing program.
4. For some repetitive programs, subroutines should be used.
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