Shenzhen precision tooling/fixture design process must pay attention to the description in the jig design should meet the following requirements: commonly have enough strength, and carries on the artificial aging treatment;
When clamping to err on the side of strong;
Use more convenient;
To facilitate precision machinery parts processing;
Especially for aluminum alloy parts with poor rigidity, during its manufacture fixture should pay attention to the following points.
Anchor point should have good rigidity.
Because jig using the characteristics of the clamping force is applied on the anchor point, so here should have good rigidity, the contact surface, the size of the different thinking direction have different results, if consider from stability, the contact area as small as possible, but in view of the clamping force, contact area, the bigger the better, because here are easy to heat deformation precision machinery parts processing, so contact surface design.
Increasing compaction force applied.
Parts clamping deformation is mainly due to pressure caused by loads, so as to reduce pressure, studies have shown that under equal pressure force, clamping deformation of three o 'clock to 1, 6 of the clamping deformation at 1/16, twelve clamping deformation can be ignored, visible, increasing compaction force applied can effectively reduce the deformation of the parts, in addition, you can change on position of the clamping force, make the film used for component parts is out of shape not easily.
For some special parts, auxiliary support is added in the jig.
Efficiency: the design of fixture structure under the condition of appropriate to the production batch, should try to adopt reliable clamping, fast and efficient way of clamping mechanism and drive to shorten the auxiliary time, in order to improve production efficiency.
On the premise of can ensure machining
quality and efficiency, the fixture structure should strive to simple, try to use standard components and assemblies, better technology structure of special components, manufacturing easy, can shorten the fixture manufacturing cycle, reduce the production cost of artifacts.
Under the condition of meeting the required processing quality, sometimes should consider the development of the product in the near future, variety of requirements.
Appropriate enlarge the adaptability of the fixture, fixture has a certain generality, it is also one often should pay attention to the problem of fixture design.
The above information is derived from the shenzhen Xavier CNC precision machining manufacturer company.
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