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Common disadvantages of steel ball light ball process
Source: China Bearing Network Time: 2014-02-02
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2. The eutectic group of the pitting ball disc is too large; the groove is too deep; and the shrinkage hole of the pebble disk is exposed during use; the metal particles falling off are pierced into the outer surface of the steel ball, and the single groove of the shunt is Blocking, there are too few steel balls entering the two plates; and the working pressure is not reduced, the ball is processed with a small ball of small steel balls; and the hard ball is not used at the beginning; the goal is not smooth; The force surface of the ball is cut.
3. Partial cracks are too large because of the ring blank; so that under high pressure and high speed effect; high temperature and stress are collected at a single contact point; then microcracks are present. This crack can be clearly seen after hot pickling.
4. The crack of the turtle has lost the "self-renewing" ability due to the groove of the light sphere disc; at this time; the outer surface of the steel ball first presents a bright image; then; the length of the processing time is lengthened; the outer surface of the steel ball is exhausted; Turtle crack.
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