Blog - Jinan Zhongchuan Equipment Co., Ltd.

08 2023.09

How to Prevent Hydrogen Embrittlement? How to Remove Hydrogen?

Prevention and dehydrogenationHydrogen embrittlement is largely unpredictable, and efforts to avoid it must begin at the design stage to determine part characteristics and subsequent manufacturing pro...

06 2023.09

What are the microscale changes in quenching during heat treatment?

Quenching processThe quenching of steel is the heat treatment process of heating the steel to the critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel) above the temperature, ho...

31 2023.08

Metal Heat Treatment

Metal heat treatment is one of the important processes in mechanical manufacturing. Compared with other processing processes, heat treatment generally does not change the shape and overall chemical co...

23 2023.08

Monitoring of Bolt Tightening Torque, Division and Control Methods of Tightening Grade

Tightening torque detection methodTightening methodAlso known as increased screwing method, suitable for important fastener inspection.The tightening torque of the bolt connection of important parts s...

09 2023.08

Basic Knowledge of Fasteners

An average of 500 fasteners are used per car in a car500types/50kg/4000pieces, according to the latest data, in the automotive industry 23%of maintenance issues are caused by loose fasteners,12%of new...

27 2023.07

Various Anti-Loosening Methods for Threaded Fasteners (Customer Provided)

Anti-loosening method: Increase elastic gasketsType of anti-loosening: Increase axial clamping forceReusable, can be used immediatelyAnti-loosening method: Use locking nutType of anti-loosening: Threa...

04 2023.07

Principle of Bolt Thread Fastening and Torque Setting

Fastening torque and pre-tightening force Rotating nuts or screws cause the screw to elongateThe clamping force generated by the elongation of the screw clamps the jointWhat we need is the clamping fo...

20 2023.06

The Importance of Wind Turbine Foundation Anchor Bolts

The importance of wind turbine foundation anchor boltsWind power is a clean and renewable energy source that has been widely applied and developed worldwide. As the main connecting components of wind ...

08 2023.06

Basic Knowledge of Bolts

Bolt axial force and pre-tension force, are they the same concept?Bolt axial force and pre-tension force are not completely the same concept, but they are related.Bolt axial force refers to the tensio...