1. Understand the whole production, processing and manufacturing methods and processes; Do not judge by your own knowledge, but by the softness of other opinions.

2. Pay attention to the setting of datum level and datum point.

3. The positioning support must be compatible with the processed object and should be sufficiently rigid.

Try to be simple and simple. Design from the user's point of view; To take into account operators waste action to improve the manual operation.

5. Take safety into consideration -- design it to be safe even if the operation is wrong.

6. Take full consideration of the deployment (standard), use standard products (market products, standard specifications, etc.), and avoid using special products as far as possible.

7. Durability (quenching of parts, etc.) should be considered from the relation between service frequency and wear.

8. Take into account the price, accuracy, ease of installation and durability.

In general, process assembly fixture design mainly involves positioning, clamping and stretching control and adjustment of moving parts forward and backward in a single direction.