Housing has half open type and closing two kinds, common failure form known as "run circles", mainly bearing outer ring and hole caused by friction and wear, with 2311 needed repairing adhesive (ultra smooth metal TM), 2215 wear-resisting repairing adhesive (titanium alloy TM) can be easily restore bearing hole size.

Half open type of bearing hole repair

(1) surface treatment: to the surface processed into a cross shape best ditch lines, as shown in figure 2.3.1 shows, keep NSK bearing hole attention on both sides circle not wear face as the direction of the die face positioning.

(2) skim oil removal: with new @ 1755 detergent strict cleaning surface oil pollution.

 
(3) processing a mold, among them: die outside diameter = bearing outer diameter; Mould length (L) more than 20 to 40 mm; With the design requirements of the bearing roughness shall prevail



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