The most common methods are electroplating, hot-dip galvanizing and mechanical plating on the surface of fasteners. A covering layer is formed on the surface of···...

The cleaning problem of high-strength fasteners is often manifested after heat treatment and tempering, and the main problem is that the rinsing is not clean. D···...

Hot dip galvanizing is a kind of technology to deal with metal surface, mainly to improve the corrosion resistance of metal surface, so in order to improve the ···...

In large-scale industrial production, any mechanical products will be damaged, to ensure the quality of a solution is the product can be repaired in time. As lo···...

The skill level of cold heading in the process of processing is as follows 5 points:1, cold heading should not be processed with high strength material, need to···...

Car Maintenance, we always face a variety of auto parts, we do not know what they are called? So auto parts are divided into several categories? What are the cl···...

Cold heading processing is actually a kind of forging method. Cold heading processing refers to the forging method which uses the die to upset (usually local up···...

Current varieties of stainless steel surface treatment (1) Surface natural color whitening treatment. (2) Surface mirror stone polishing treatment. (3) Surface ···...