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Application of VMC850L Machine Tool Matching with GSK218 CNC System on Inner Aperture Deep Thread Processing from Changsha Company

Customer Requirement:

The helical milling inner aperture thread should be performed by using VMC850L to match with the GSK218 system.
To process the #45 steel by using the cutter bar blade and milling tool and its dimension is M42x2x30 deep thread.
Using the fastest machining effect and the thread is smooth as well.

Troubleshooting:

Draw a machining diagram and treat a processing program based upon the customer’s drawing.
Separately prepare the D25.4 single-gear single-blade milling cutter and the D31 row-gear single-blade milling cutter.

Machining Effect:

D25.4 single-gear single-blade milling cutter processes the M42x2x40 deep thread and its surface of the thread is smooth. The machining parameters are shown below:

D31 row-gear single-blade milling cutter processes the M42x2x40 deep thread; the surface of the thread is smooth, which is slightly worse than the single-gear single-blade milling cutter. The machining parameters are as follows: