Introduction to the components of CNC machine tools
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CNC machine tools generally consist of a control medium, a numerical control device, a servo system, and a machine tool body.

In order to improve the machining accuracy of the machine tool, a measuring device (namely, the dashed line in the figure a…

Paint pump profile
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Paint pump: simple structure, less wearing parts, easy installation and maintenance. Spraying pump Scope of application: Automatic feeder (pump), paint pump using compressed air as the power source, the most suitable for a variety of flammable and explosive places with explosion-proof effec…

Mechanical knowledge base: cold rolling mill
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The tandem cold-rolling process is a hot-rolled strip after pickling, continuous rolling at a normal temperature through a multi-stand rolling mill to obtain various specifications, cold-rolled strips with required thickness, plate shape and surface quality…

China propylene oxide spot prices hit a 27-month high
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According to reports, industry sources said on Tuesday that China's spot price for propylene oxide (PO) hit a 27-month high and may continue to rise in the coming weeks because of reduced cargo from the Middle East and strong demand for downstream polyether polyols. It is expected that pri…

Increase the life of the control valve
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Valve is not like a manual valve, the installation is very few to go after management, maintenance, it must be diligent maintenance in order to ensure normal operation and long service life. Below we propose eight ways to extend the service life of the regulator. 1) a good job to open the valve…

Several Factors Affecting the Efficiency of Centrifugal Pump
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Centrifugal pump efficiency is the mechanical, volume and hydraulic three products. Pump efficiency is the product of pump efficiency and motor efficiency. Centrifugal pump group caused by the low efficiency of the following factors.

1. Pump efficiency itself is the most fundamenta…