The use of different bearing has its different advantages, this also is known to all, today I'll show you know the screw bearing this particular bearing.The advantages of screw bearing seal
A) this type of SKF Bearings From FANAD http://www.fagbearings-hk.com/ is made of spring steel. Spring steel annealing temperature is 3500 c. As a result, it than the annealing temperature is 1800 c of the ball bearing steel (100 c6) temperature sensitivity is poor. Material when the temperature is above the tempering temperature will lose its hardness. So the spring steel is more suitable for high temperature operation.
B) spring steel has good elasticity, so it is easy to install, inner ring can pass by two hook spanner installed in any position, the internal tension of the inner ring can make its fastening on the shaft. With elastic material machining tolerance for h9 or h1l inner ring is relatively easy to implement. Such use, including circle on the expensive processing can be omitted.
C) these bearings are durable and dirt, scrap iron, water, and a fall of iron powder with water to form the effects of a weak acid. For large diameter thin-walled coil rolling parts left a bigger space. These parts to dirt and foreign substances through the rolling pressure within the spiral slot to coil. Which can sustain the movement of the bearing surface keep clean in the rotation.The advantages of screw bearing seal
D) spiral bearing outer ring is the main advantages that can be reused many times, this makes once due to the influence of temperature and damage and bending can be reprocessed to become possible. In this case, the bearing seat also need to adjust. This kind of structure design is only the outer spiral instead of a complete set of bearing need to be change, all the rest of the bearing components can be used again.
And the adjustment of the bearing is through the diameter size in a way that is the size of 1 mm increase. For example: when the diameter increased from 105 mm to 106 mm, also need to add LMM to spiral outer diameter for installation. This kind of situation can repeat to diameter of 110 mm. Processing the bearing outer ring can be repeated 5 times. Can it saved a lot of cost, especially in all the other bearing components can be reused under the condition of 6 times.
Mechanical parts: spiral seal screw seal is with thread non-contact dynamic seal to prevent liquid leakage? Also known as thread seal. Usually on the rotation of the sealing parts processing thread? Work leakage liquid with threads and shell contains space? Form "liquid" nuts.The advantages of screw bearing seal
The direction of the axis thread to make "shaft rotates the liquid nut"? Raw axial movement? Returned in liquid are high voltage side. Helical seal is suitable for the liquid viscosity is bigger? Differential pressure of small and medium speed. Basic is not affected by the temperature of the liquid limit.