Lock purchase and daily maintenance knowledge

First, we must first understand whether the product has a factory name, site, trademark and whether there are professional inspection agencies issued by the recent inspection report.
Second, the appearance of the lock should be clear, the surface is not rough, feel comfortable.

Failure Analysis of Diesel Engine High Pressure Tubing

The high-pressure oil pipe is an important component connecting the fuel injection pump and the fuel injector in the diesel engine fuel supply system. It acts as a "big artery" when the engine is working, and undertakes the task of delivering high-pressure fuel to the engine. During t

The difference between hollow molecular sieve and desiccant

Ordinary desiccant: commonly known as desiccant, it was originally used mainly in the food industry, it is a clay desiccant containing calcium chloride. The clay desiccant has never publicly claimed that it contains ingredients. In fact, this d

Introduction of new composite sheet

The new composite material is a new generation of materials based on traditional plates, which is a kind of composite material. Composite materials include the composite of organic materials and in

Road lamp use precautions

1. According to the actual lighting needs of the installation site, determine the appropriate installation method (column top and lateral direction) of the luminaire, and adjust the mounting bracket. Then

Process planning and tooling design of a small thin-walled part

The parts are made of custom materials, each batch of materials is good or bad, the state and consistency are unstable, which is a factor to be considered in the processing. According to the needs of use and processing requirements, the pattern has changed several times, and now it is in th