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Machining characteristics and tool parameter setting of CNC machining railway parts
Jan 30, 2019

Taking into account the particularity of the rail transit industry, there are very high technical requirements and precision requirements for the processing of the main components. Relatively speaking, the main components that are difficult to process are the locomotive running parts such as the bogie bogie and the hollow bushing, and the key components of the diesel engine. At present, it is usually the use of CNC machining railway parts processing technology.

This is because these key components have great difficulty in processing, not only in complex structure, but also in manufacturing precision, shape tolerance and surface quality. In addition to ensuring the technical level of CNC machining railway parts, it is also necessary to make reasonable settings for the tool and tool parameters. When the tool is set, the end face can be driven out, the tool value is input into the machine tool, the tool compensation is input, and the reasonable cutting amount is selected according to the tool material.

The machining of CNC machining railway parts can be carried out automatically, and the operator can measure the resizing on the way. Before the automatic machining, certain specifications can be debugged. The feed rate can be lowered to allow the tool to approach the workpiece at a slower speed to see if the tool or program is correct. Even if it is wrong, we have time to adjust it. Adjust the feed rate to 100%. After the roughing is over, the part size is verified. If the input tool is not added, the machining requirements are met.

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