High quality comes from exquisite technology! Before the precision CNC machining of general mechanical parts and automatic equipment accessories, we must see clearly the contents of the machining process card, the parts to be machined, the shapes, the dimensions of the drawings, and the processing contents of the next process. It is also the self checking process of precision machining!
Attention should also be paid to the self inspection of precision CNC machining: before the workpiece is clamped, the blank size should be measured to see if it meets the requirements of the drawing. When the workpiece is clamped, it must be carefully checked whether its placement is consistent with the programming operation instruction; After rough machining, self inspection should be carried out in time to adjust the data with errors in time. The main content of self inspection is the position and size of the processing part.
Whether the machined parts are loose or not; Whether the workpiece is correctly divided into parts; Whether the dimension from the machining part to the datum edge (datum point) of precision CNC machining meets the drawing requirements; The position and size of machining parts. After checking the position and size, measure the rough machined shape ruler (except arc). These are the basic contents of self inspection!
Many years of precision CNC processing factory conclusion, after rough machining self-test before finishing. After finishing, the workers should check the shape and size of the processing parts: check the basic length and width of the processing parts on the vertical plane; Measure the base point size marked on the drawing for the machining part of the inclined plane. The operator can remove the workpiece and send it to the inspector for special inspection after completing the self inspection of the workpiece and confirming that it conforms to the drawing and process requirements.
The above is about the self inspection process of precision CNC machining manufacturers. Thank you for sharing!
ken. tang@chengcg.com
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