Part positioning of checking fixtures
Part positioning of checking fixtures
Design the positioning device according to the information given in the product drawing（GD&T）.
Pin positioning is designed using the principle of independence. Spring tapered pin construction is recommended.
The design of hole positioning adopts quantitative matching method. All positioning holes require a hole bush.
The design of surface positioning should be based on the shape and structural characteristics of the product positioning surface.
According to the actual situation, the auxiliary support can be appropriately added to meet the measurement needs of the CMM.
