cleaning, check and insulating plate requirements

1, bearings cleaning and checking large motor bearings are packing alone coming first after opening with lifting eyebolt will tile and on the tile well marked out respectively with kerosene to clean, dry with dry cloth and check whether all clean sheet, have without casting sand residue, tungsten gold layer and tile body with bad, creates a channel, crack exists sand holes and other doping content, etc.). If you can't repair, it will try to hang tungsten gold.

2, cleaning and check of the bearing block before the installation, should also check into comprehensive cleaning. Will the bearing with spatula inner cavity dirt away, cloth dips in gasoline or solvent will dirt rub-up, watch for crack and sand holes, in order to prevent appear in operation of oil leakage. The self-contained bearing cover joints, housing and bearing block oil circle with an inquiry with face should blow, and feeler check, its clearance shall not be more than 0.03 mm.

Place of the bearing surface also want to clean , should not have bruising, corrosion and burr. Tighten the screws of the bearing and a board thread all should he fine check, and try twist screws check whether too close or bald buckle.

3, bearing insulation structure bearing and base plate must be insulated pad between mat or metal gasket, metal gasket used to adjust a horizontal position. To adjust the motor and the phase of the coupling another motor or the relative position of the machinery. Metal gasket is by 0.08 ~ 3 mm sheet metal is made. Insulation pad is made by the cloth or laminated spun glass is made. The main purpose of the insulation pad place is to prevent the harm of axis current. Insulation bolster plate should be each side than housing wide out 5 ~ 10 mm, thickness of 3 ~ 10 mm. Except in the bearing and the backplane placed between outside insulation pad, and at the same time will screw and stability was also should be insulated. Insulation gasket with 2 ~ 5 mm thickness spun glass cloth board is made, its outer diameter iron gasket diameter than the big 4 ~ 5 mm. The self-contained connect the tubing JiePan insulation pad can be used for 1 ~ 2 mm thickness plate is made. The bearing of the insulation after installation should check of insulation resistance, with 500 v ZhaoOuBiao measurement, the resistance should be not less than 1 ohms for-volt ac.
 
 



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