Cylindrical roller bearings and needle roller bearings is the same thing?

2 answer

Spherical roller bearing may have what use?

3 answer

What are the common types of pump shaft seals?

3 answer

of chemical, light, sound and heat sensors.?

3 answer

How to open the exhaust in the plastic mould exhaust, should notice what?

4 answer

Combine transmission stepless speed changer with chattering

3 answer

What can you solve with the belt slippage

3 answer

The formula for calculating the pulley

4 answer

Which is better, the gasket?

3 answer

Are there any 3D mechanical design software that can simulate the mechanical movement of parts?

3 answer

What are the common sealing forms of hydraulic cylinders?

3 answer

Common problems with ac motor

4 answer

What would valve seat faulty will cause my h22a?

2 answer

Why do gearboxes use helical gears?

3 answer

How do you disconnect the PVC pipe joint that has been glued?

3 answer

What is the main meaning of die mold?

3 answer

Any center of the pump

3 answer

How are pump shafts protected from excessive pressure?

3 answer

How does the concentricity tolerance of a pump shaft affect its performance?

3 answer

What are the different methods of shaft alignment?

3 answer

My home pump every time you use, you should use your hand to dial the impeller, or else the impeller will not turnExcuse me, what's the matter?,

3 answer

What is the difference between the zero attachment and the parts?

3 answer

How can I remove the filter bag from the washing machine? Fifty

4 answer

Aortic valve replacement?

2 answer

Sewage treatment filter press filter cloth generally for how many purposes?

3 answer

How are pump shafts protected from excessive heat?

2 answer

What materials are solar-reflective?

1 answer

How come lightning doesn't strike twice?

3 answer

What type of car knife is best to process powder metallurgy

3 answer

The centrifugal pump only cuts the impeller, does not change the electrical machinery, can achieve the energy conservation goal?

3 answer