Knowledge

There are various types of folding masks. According to the structure, they are mainly divided into single-layer folding masks, double-layer folding masks, three-layer folding masks, four-layer folding

1. The wood chipper uses low-voltage or high-voltage motors. Large disc wood chippers have two types of belt drive and direct drive; the feeding can be divided into two ways: horizontal and skew, and

Some people are not fit to use protective masks. First of all, professional protective masks are designed for adults and not intended for children. Except for children with small faces and missing ele

First, the non-woven mask machine uses ultrasonic welding, which eliminates the need for needlework and saves the trouble of changing needlework repeatedly. There is no broken joint condition of tradi

The use of protective masks in hospitals to prevent disease transmission and control infections should comply with relevant guidelines of medical management departments. During surgical operations, me

Appearance: Masks are used on the face, and some of them are even used in the operating room. Therefore, the production of masks requires the non-woven mask machine to be cleaned neatly. Every day aft

In work, the selection of protective masks should comply with applicable regulations, standards and industry standards. For example, professional protective masks used in factories and workplaces must

The transmission system includes motors, gears, reducers, sprockets, chains, conveyor belts and other components. Let's check whether there are dust and other things on the outer surface of the motor

It can be summarized as the eight-character policy of "leather, water, dense, wind, protection, management, teaching, and investigation". "Leather" means changing backward production equipment and ski

Check whether the circuit connections of the device are loose, and are the main power cables, branch signal cables, etc. worn? Ageing? Loose electrical equipment? Is the inside of the electrical box c

1, infrared drying can improve the paper width transverse moisture uniformity, reduce the fluctuation degree by half, but also can increase the yield 5-10%. 2, infrared radiation energy and absolute t

1. American military application of infrared ray: in the second world war, in the battle of Okinawa, the United States successfully applied infrared ray technology and made infrared night vision equip