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Ways to prevent motor bearing rust
Source: China Bearing Network Time: 2013-05-21
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(1) Try to use solvent-free paint.
(2) If available; use an impregnating lacquer that does not contain oxidizing components; such as Epoxy-urethane-based or Epoxy-based impregnating varnish.
(3) When using melamine acid impregnating varnish; the curing temperature and curing time should be adjusted; the curing temperature is slightly higher than 130 ° C (such as 135 ° C) and the curing time is greater than 180 min; and it is necessary to strictly implement the process; In the high temperature and wet period; due to the concept of rust prevention; the paint of the paint factory in the sample of the boring (curing) moment; not necessarily sufficient; the motor has a detailed connotation shape.
(4) Select a paint that does not contain volatile acids.
(5) Select a paint with good hydrolysis resistance.
(6) Try to use mineral oil bearing grease as much as possible.
(7) When the motor factory writes the grease by itself; in order to prevent the water vapor and dust from entering the bearing, noise and other rust elements can be formed; the grease container should be sealed; even in the case of grease injection And the amount of grease should be determined according to the specifications; if the 6202 bearing is used; the reference value is in the range of 0. 60 ~ 0. 80g; the grease filling process should be kept clean; boring.
(8) Use plastic film packaging with micro-holes; make the motor must be ventilated before it is used. When it is sealed with plastic film, the paint gas will remain in the bearing; the water will dew; it should be prevented.
(9) Grease can be transformed under the influence of high temperature when the motor cover is sprayed or painted.
(10) Negotiate with the bearing manufacturer; use the more useful rust inhibitor when the bearing is produced.
(11) In order to completely deal with paint rust; can think about the motor production plant, bearing production plant and paint production unit to participate in the discussion; summarizing all aspects of talent; to deal with bearing corrosion.
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