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What are the key points of fixture debugging verification and machining inspection in precision part machining

2022-12-29

What are the key points of fixture debugging verification and machining inspection in precision part machining
(1) In the processing of precision parts, the scribing of workpieces can be completed by bench workers. Generally, it is necessary to make a template with the same shape as the wing.
(2) When milling and aligning, the rotary table shall be aligned at a certain bisection position, and the bisection line of a wing shaped piece shall be parallel to the vertical and horizontal of the workbench by rotating the workpiece. As for the horizontal position of the milling cutter and the workpiece, the coarse milling adjustment is determined by adjusting the length of the profiling rod, and the fine milling adjustment is determined by the horizontal micro movement of the workbench.
(3) The finish milling is separated, and the shape, position and roller contact pressure of the formed surface of the rough milling spare parts are used.

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(4) In the process of precision parts processing, attention shall be paid to the use of up milling, convex surface 1 shall be milled in from the large end of the wing, and concave surface 2 shall be milled in from the small end of the wing.
(5) The profile curve shall be inspected with a special sample plate.
(6) The position of the wing piece is usually inspected visually by scribing.
(7) After the shape inspection of each wing shape piece is qualified, the bisection of the workpiece surface can be checked with the aid of the bisector calibration device to recheck the highest point of the convex surface, and the bisection error can be determined by the difference of the indicated values.

Shenzhen Perfect Precision Product Co., Ltd.

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