Apr 07,2024

China's hardware industry in the change and the same between the return of the king

With the global financial crisis, China's coastal areas of hardware export enterprises are facing an unprecedented survival crisis, a large number of inventory can not be shipped, a large number of payment can not be returned, many enterprises closed down. At a time when the global economy is in recession, the production of Chinese hardware stainless steel products is red against the market. The Chinese hardware industry in a jubilant crisis environment once again shows the king's style to the world.

Apr 07,2024

A number of steel industry support policies are expected to be introduced

In the first half of this year, large and medium-sized steel enterprises made a profit of 7.48 billion yuan, an increase of 4.276 billion yuan over the same period last year, but their main business still lost 0.66 billion yuan and has lost 11 quarters in a row. In the face of this report card, Zhang Changfu, vice president and secretary-general of the China Iron and Steel Association, said that the iron and steel industry should take the initiative to adapt to the new normal and new changes.

Apr 07,2024

Causes of abnormal machining accuracy

The causes of abnormal machining accuracy faults are hidden and difficult to diagnose. Five main reasons are summarized: the feed unit of the machine tool is changed or changed; Abnormal zero offset of each axis of the machine tool; Abnormal axial reverse clearance; Abnormal motor operation state, I .e. abnormal electrical and control parts; Mechanical faults, such as screw, bearing, shaft coupling and other components. In addition, the preparation of processing procedures, tool selection and human factors may also lead to abnormal machining accuracy.

Apr 07,2024

Principles of fault diagnosis for CNC machine tools

After the first external internal CNC machine tool is a set of mechanical, hydraulic, electrical as one of the machine tools, so the occurrence of its failure will also be reflected by the three comprehensive. Maintenance personnel should first check one by one from the outside to the inside, and try to avoid unsealing and dismantling at will, otherwise it will expand the fault, make the machine lose accuracy and reduce performance.