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Application of that VMC850B Machining Center Matches with GSK218MC-H CNC System on Guangzhou Company (Used on the PCB Automatic Tin Equipment)

Customer Requirement:

VMC850B matches with the GSK218MC-H CNC system, the machining appearance dimension is length * width * thickness (mm): the sheet metal is 496X296X3; it is recommended to perform the positions and automatic tin got on the sink of big area 426X205X1 on the board; the component clamping cannot be arched when the milling 1mm positions the sink slot to avoid from the leaking the tin when loading the tin.

Troubleshooting:

Positioning method: Use the latch and three-point position;
Clamping method: base board + pressure block;
Requirement of machine tool: the level deviation of machine tool should be less than or equal to 0.02mm; the vertical error of Z axis should be less than or equal to 0.02mm;
Tool requirement: the rough-machining uses the PCB corn milling tool;
The tool method is performed the milling from inside to outside when PCB corn milling tool is performed the rough-machining, and reduce the problem of the lack of rigid.
The thermal of the synthetic stone is bigger during processing, so the cooling should be performed perfectly.

Application Effect:

The interchangeability of workpiece is strong, which is suitable for each processing of the fixture of wave-welding;
The cutting capacity of processing of the dedicated tool is well, and the deformation value of processing is less; the problems of leakage-tin of welding are reduced.
The equipment processing is table and the durable degree of the product is improved accordingly.

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