Entries by TB垫

What are the factors that affect the quality of desk and chair sets?

There are many kinds of desk and chair sets on the market, the price difference is large, and the quality is also uneven. If you choose cheap ones, the quality cannot be guaranteed. There are many factors that affect the quality. If you want to buy good quality products , we must first understand the factors that […]

2022-05-31 by

How to maintain school desks and chairs?

For students, they naturally hope to use new desks and chairs, but such frequent replacement of new desks and chairs will increase financial expenditures for schools. Besides, steel and wood desks and chairs are of reliable quality and long service life. Longer, regular maintenance can avoid the waste caused by repurchasing new desks and chairs. […]

2022-05-31 by

How to maintain the slewing bearing of the crane?

The slewing bearing is an important “joint” of the crane, so its maintenance is very important. So how to maintain the slewing bearing of the crane? When carrying out maintenance work on the slewing bearing of the crane, first of all, pay attention to the danger of being dragged into the slewing pinion, crushing and shearing. […]

2022-05-31 by

Scrap standard and service life of tower crane slewing bearing

All machines will experience wear and tear after a long period of use. When the parts exceed the service life or are damaged beyond repair, they should be scrapped and replaced. The tower crane slewing bearing is prone to failure and damage in the long-term outdoor harsh environment and high-load operation, so to what extent does it […]

2022-05-31 by

Is the surface roughness of the slewing bearing as small as possible? How to choose?

Is the surface roughness of the slewing bearing as small as possible? Surface roughness refers to the small spacing and the unevenness of small peaks and valleys that the machined surface has. The roughness of the bearing surface may affect the wear resistance, stability, fatigue strength, stability and other properties of the bearing. Generally speaking, the smaller […]

2022-05-31 by

How to increase the output of vibrating screen?

Mining vibrating screen is a kind of large-scale screening equipment, commonly used in the mining industry, etc. The use of this vibrating screen to screen materials generally requires relatively large output. In use, we also hope that the larger the output of the equipment, the better. Since the models and specifications produced by each vibrating screen manufacturer […]

2022-05-31 by

How to deal with abnormal operation of vibrating screen exciter?

The vibrating screen exciter is an important component that utilizes mechanical vibration. The exciter can make the excited object obtain the vibration amount of the form and size, so as to conduct vibration and strength tests on the object, or calibrate the vibrating screen and sensor. The vibrating screen exciter can also be used as an excitation component to […]

2022-05-31 by

What are the common faults and solutions of impact crushers?

Impact crusher is a crushing machine that uses impact energy to crush materials. It can handle materials with a side length of 100-500 mm or less, with a compressive strength of up to 350 MPa, with a large crushing ratio, and the crushed materials are cubic particles. Widely used in building materials, ore crushing, railways, […]

2022-05-31 by

How to solve the excessive noise of concrete mixer truck?

One of the most important aspects of environmental protection is to control noise pollution. Noise pollution is a common problem in the machinery industry. The noise of concrete mixer trucks are composed of mechanical noise and motor noise. When the feeding system of the mixer feeds the stones, sand, cement and water into the conical mixing drum […]

2022-05-31 by