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INA stainless steel bearings or structural because of stress occurred in size or shape is called deformation. The production of machinery and equipment field due to poor working conditions, often overloaded work, some bearing deformation is very common. Their deformation will make other related components accelerated wear, and even rupture, and may lead to system series bearing damage or the entire equipment damage, cause the accident of the equipment, so the deformation of the harm is quite serious.
The deformation of INA stainless steel bearings in the action of stress is less than the yield strength of the material is called elastic deformation. Plastic deformation, also known as permanent deformation, refers to the bearing parts in the external force (load) after the removal of the part irrecoverable deformation. Excessive deformation is an important type of mechanical equipment failure.
1 using the method of cooling the reasonable:
Metal after quenching cooling process is very important for the deformation influence also causes a deformation. Oil quenching deformation is small than the cold oil quenching, general control in 100 ± 20 ℃. Oil cooling capacity of deformation is also important. Mixing mode and speed of impact deformation quenching. Metal heat treatment of the cooling speed is faster, more uneven cooling, have a greater stress, INA stainless steel bearings of the mould is greater.
2 using the appropriate medium:
On the premise of guaranteed the same hardness, as far as possible with oily media, experiments and practice has proved that the premise of no difference among other conditions, slow cooling of the oil medium, and the aqueous medium cooling rate is relatively fast.
The 3 part structure should be reasonable:
In the cooling process of metal heat treatment, always thin some of the cold quickly, thick part of the cooled slowly.
Vibration measurement of INA stainless steel bearings of reflected, bearing vibration of bearing damage is very serious, so, after the adoption of bearing vibration measuring device extraordinary (frequency analyzer etc) can measure the size of the vibration, the frequency divided by very specific. Due to the measured value and different bearing conditions of use or sensor installation location, so necessary in advance of the measurements for each machine must be compared to the analysis judgment.