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General principles of precision parts processing
That is, the reference surface is processed first. During the machining process of the part, the appearance as the positioning reference should be processed first, so as to provide a precise reference for the subsequent processing as soon as possible.
Where are the advantages of precision metal processing
he use of short cutting tools for CNC precision machining is the main feature of precision hardware parts. Short tools will significantly reduce tool deviation, thereby obtaining a good surface quality, avoiding rework, reducing the amount of electrode used, and shortening the processing time of EDM
Features of precision parts processing
Mainly include precision turning, mirror grinding and grinding. Micro-turning is performed on a precision lathe with a finely ground single crystal diamond turning tool. The cutting thickness is only about 1 micron. It is often used to process high-precision, highly-smooth parts such as spherical, aspherical, and flat mirrors of non-ferrous materials.
Processing method of non-standard precision parts
The machining of non-standard precision parts requires extremely high precision. To achieve super-lubricated machining appearance and extremely high machining accuracy, naturally there is a high requirement on the tool. If the tool wears, the quality of the processed surface is Will be lowered
Do you know the process of precision machining?
For parts such as box body, bracket and connecting rod, the plane should be processed first and then the hole should be processed. In this way, the holes can be positioned on the plane to ensure the position accuracy of the plane and the holes, and it is convenient to process the holes on the plane.
What should be paid attention to when processing precision hardware parts?
Before the machine works, check whether the moving part is filled with lubricating oil, then start and check whether the clutch and brake are normal, and run the machine idling for 1-3 minutes. Operation is strictly prohibited when the machine is faulty
The role of precision machining technology
The production planning and scheduling of the machining workshop, the operation of the workers, the quality inspection of the parts, and the calculation of the processing cost are all based on the process regulations. To deal with problems in production, process regulations are often used as a common basis. If dealing with quality accidents, the responsibilities of all relevant units and personnel should be determined in accordance with the process regulations
How to improve the machining precision and preventive measures of the slender shaft
Double tip clamping method. With double tip clamping, the workpiece positioning is accurate and the coaxiality is easy to be ensured. However, the rigidity of this method is poor, the bending deformation of the slender shaft is large, and it is easy to produce vibration. Therefore, it is only suitable for the processing of shaft parts with small length diameter ratio, small machining allowance, high requirements for coaxiality and multi-step.