When detecting rivet head are related to the main observation crooked, loose welding is in the correct position. Welding quality. Welding point is too small to have welded or welded, problems caused by medicine ball cards. INA bearings tests require special attention in the process. There are also issues that need attention.
Relubrication of the bearing is best equipment downtime during the implementation of the plan and supplement on a regular basis, at the same time, the older fat removed through oil spills or empty the old grease out. Join the fresh oil injection inlet should be clean before. If housing does not have injection inlet, you should open the housing lid or cover, in order to remove the old grease, after cleanup, add fresh oils of the same model.
Rotate video activity is bearing and after the complete Assembly of the finished bearings, starting up and there should be no blockage, block, emergency and other undesirable phenomena. INA bearing rolling series of General requirements include dimensions, tolerance class and public, codename, chamfer dimensions, maximum value, radial clearance, hardness of materials for bearing rings and rolling elements, parts, and vibration values, interchangeability, measurement methods, load rating and the rating life, residual magnetic signs, inspection, packaging, such as flexibility, surface quality, cleanliness, rotate. Including flags, beautiful, refined roughness surface quality, does not allow bump injuries, cracked, crushed, black leather, Burr, phenomena such as rust.
Bearing the ripples are directly relevant to bearings rolling surface waviness of noise, this is a pure tone noise, for a constant speed, its frequency does not change, and change speed, its frequency is also the same.
INA bearing periodically check the oil level and oil lubricants, under normal circumstances, normal oil level oil level window for the device, or marking should be within the range of 1/3-2/3. Fill the cup of oil for oil, oil level whose display only representatives of oil capacity, housing the oil level is to meet operational requirements, oil cup oil level lower than the total volume of one-fourth oil supplement may be considered.
INA bearing the correct installation and maintenance is an important factor bearing function, at the same time, care must be taken to maintain cleanliness of the bearing. Bearings must be contaminated by pollutants and moisture prevention, must be properly installed and lubricated. In addition, the column design bearings, oil seals, lubricants and replacement cycle and in the form of specialized care also plays an important role, they must be concerned.
When matching a new bearing, you should check the bearing bore roundness and cone error to make it comply with the standard requirements. When you check the bearing cover and tighten as required, the amount of cylinder table or inside diameter micrometer inspection, their roundness and cone error should not exceed 0.02mm, it will undermine the normal clearance of INA bearing and axle journal, accelerated wear of the bearing and axle journal. After the new bearing into the bore, up and down each side of the bearing housings should be high surface 0.03-0.04mm. After pressing so that bearings, elastic deformation of bearing and close to here, not loose, and have good thermal conductivity. Bearing plate fixed teeth intact, otherwise INA bearings in the work shift, lubricants tract is blocked, so that oil supply disruptions, burning parts. Bearings should be smooth and flat on the back, do not allow file processing, or pieces plus pad, so as not to affect the heat sink. But during the repair work, tend to run into some last resort situations, such as bearings and axle clearance is too large or when utilizing the old bearing, allows the back of the bearing and cushion layer of thin copper skin, but must be flat and Cheng oil holes.
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