Precision machinery parts and common parts processing technology route of the difference between what we see in all kinds of mechanical equipment of precision parts, the machining
process, only by a high precision machine tool equipment, affirmation is not enough, precision machinery parts processing process environment and process elements is also very important, here are precision parts in actual machining process, the key link in the process, we analyzed.
Process environmental elements.
Precision machinery parts processing environment relative humidity to keep within 40 degrees Celsius, the vibration isolation system of machine tool foundation with frequency is less than 2 hz, processing purification degree should be greater than 0 per cubic foot.
1 micron micro control content should be not more than 10, this is to ensure that the basis of precision parts processing.
Process route optimization configuration elements.
As precision parts processing, the processing precision is not only limited in the final process, its all craft route formulation is reasonable.
Is the key to ensure accuracy of precision machinery parts processing, a precision parts processing route, must be carefully designed and reasonable optimization, to ensure the precision index.
Technology process of formulation: first of all, should be careful analysis components of the geometric structure, the core part of the precision index accuracy requirement, material properties, heat treatment requirements and performance requirements, etc. , and then the rational selection of blank, the rational use of processing equipment parts, take reasonable technical measures to stress, and many other process reasonable configuration, in the process of production organization, in strict accordance with the process of implementation, in the process of working procedure, strict inspection, for the average precision parts and components, its craft route is: rough machining -
In the face of precision machinery parts processing, the processing route is clearly not enough, process route must be longer, and appropriately with aging treatment, and configure the superfinishing process, to ensure processing requirements.
Usually process for: a rough machining -
A thermal aging -
Secondary roughing -
The secondary heat ageing (
Or vibration aging)
Vibration aging -
Natural aging (
Or low temperature stable processing)
Among them, the precision of parts heat treatment requirements, should be based on parts of the overall hardness, local hardness, surface hardness, the requirement of the proper arrangement of thrust, and the stability of precision machinery parts processing precision processing is very critical and complex, a simple two methods have been unable to meet the requirements, usually according to need to take a variety of ways, such as stress relieving, stable treatment at low temperature, vibration aging and natural aging, and even take cold treatment process, ensure the accuracy of precision parts in order to achieve the stability requirements.
The above information is derived from the precision metal processing plant in shenzhen Xavier company, more products please click on the link to see http://www for details.
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