Frequently Asked Questions about this product

1. The caliper measurement size of the product is too large, which does not conform to the tolerance of the marked drawing

this kind of products are injection molded, and engineering plastic products have certain linear expansion coefficient, which is greatly affected by temperature and humidity, in the natural state, the inner and outer diameters have a certain expansion allowance, which shall be measured after the product is pressed into the H7 seat hole.

2. Under what scenarios

engineering plastics are suitable for customers who require noise. some lubricants are added to the products, which can be maintenance-free and maintenance-free, strong corrosion resistance

3. How to choose the tolerance range of shaft and mounting hole matching this product?

Mounting hole: H7
Axis: h9 p