Aluminum alloy machining
precision metal parts general general principles of aluminum is Xavier is engaged in the 16 years since precision machinery parts processing, processing of morer, thin-walled, circle, square, etc. , various shape, difficulty is different also.
The general characteristics are, aluminium heat sensitive coefficient is big, so there are great influenced by temperature, due to its own internal organization, is affected by stress.
In order to overcome the effects of stress, it is necessary to adopt multiple aging treatment to stabilize the material internal organization.
Aluminum alloy material is affected by temperature generally for every 5 oc or drop 5 oc, aluminum alloy precision metal processing parts expansion or contraction of about 0.
01 mm, on the basis of processing should be considered when the temperature and the temperature at which the assembly, should accomplish as far as possible let temperature matching, such as difficulties should be according to the temperature of the assembly, when machining, precision machinery parts processing technology according to the parameter size control.
Aluminum processing general general principles: the critical dimensions should be as much as possible before the second time, the size number as small as possible, so that the cutting process after heat treatment, material minimum tissue damage, precision metal processing parts deformation is minimal.
To eliminate the lathe machining process by the influence of the deformation of the workpiece clamping force, as far as possible need not hard claws, and with a soft claw, and clamping force may not be too big.
Is easily hurt by aluminium far, precision machinery parts processing to complete delivery, due to the use of dedicated storage and transportation tools, to avoid knock against scratches, storage and transportation tools use wooden cases, inside the isolation into independent units, with rubber gasket around the unit.
If aluminum precision metal processing parts need hard anode oxidation, consideration should be given after oxidation, 'grow up' will happen to the size of the workpiece, the variation in 0.
Between 5 mm, so to be good to think ahead with precision machining process, at the same time because of the hard anodic oxidation layer on the surface in about 0.
1 mm deep, within the scope of the hardness is very high, so if you still need to machining after anodic oxidation, so left by cutting allowance should be greater than this range, otherwise, the cutting tool durability will be significantly reduced.
The above information is derived from the CNC precision machining manufacturer Xavier company.
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