Foreign Farmland Resources Protection Measures and Case Studies

Farmland resources refer to land that is currently and potentially suitable for growing crops. Farmland resources protection is for the interests of the majority. Through sensible management and prudent management, the farmland resources are rationally exploited and used to prevent a.......

Tool compensation in CNC machine tools

First, the proposed tool compensation:

With the end mill machining the workpiece on the CNC machine, it can be clearly seen that the tool center motion gauge does not coincide with the workpiece contour because the workpiece contour is formed by the end mill motion envelope. The cen.......

"Yongjia Pump Valve" won the title of Zhejiang Export Base

A few days ago, it was learned from the Department of Commerce of Zhejiang Province that the “Yongjia Pump & Valve Industry” declared by the Yongjia County Pump Valve Industry Association formally passed the review and was recognized as the â.......

Hold the four big attention points safety set safety valve

When setting the safety valve should pay attention to the following four points: (1) container gas, liquid two-phase material safety valve should be installed in the gas phase. (2) Safety valve for the release of combustible liquid, the safety valve outlet should be connected with the accident .......

Wiper selection method

Wiper selection method Speaking of the wiper, many riders may not care. In the sum of cars, the wiper is a relatively small part. However, according to an international driving safety surve.......

The basic knowledge of linear regulators

For a long time, linear regulators have been widely adopted by the industry. Before switching mode power became mainstream in the 1960s, linear regulators used to be the basis of the power supply industry. Even today, linear regulators are still widely used in many applications. .......