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Cleaning KOYO bearings and related parts (KOYO, bearing and bilateral to have grease lubrication with oil seal or dust cover, sealing ring for KOYO bearings before mounting without cleaning.)
Check the relevant parts of the size and precision processing condition
Installation method
KOYO bearings should be installed according to KOYO bearing structure with the nature, size and KOYO bearing parts and fixed, pressure should be directly on the tight fit to ferrule end face, and shall not transfer the pressure through the rolling body, KOYO bearing installation generally use the following method:
A. press fit
KOYO bearing inner ring and shaft so that the tight fit, the seat hole outer ring and bearing is a loose fit, can press KOYO bearing pressure mounted on the shaft, and the shaft together with the KOYO bearing together into the bearing seat hole, pressing in KOYO bearing inner ring on the end of the assembly sleeve, a soft pad made of metal material (copper or steel).
KOYO bearing outer ring and bearing seat hole is tightly matched with the inner ring and the shaft is loose, when combined, can be KOYO bearing first press in the bearing base hole, when the assembly sleeve diameter should be slightly smaller than the diameter of the hole seat.
If the KOYO bearing ring and the shaft and bore are tight fit, install indoor ring and the outer ring at the same time to press into the shaft and hole assembly sleeve, structure should be able to also face and compact KOYO bearing inner ring and outer ring.
Heating with B.
By heating the KOYO bearing or bearing seat, the expansion will be tight fit into the installation method of loose fitting using heat. Install method is a commonly used and labour. This method is suitable for a larger amount of surplus KOYO bearing installation, hot charging before the KOYO bearing or separable KOYO bearing rings into the tank uniform heating to 80-100 deg.c, and then removed from the oil as soon as fitted to the shaft, in order to prevent the cooling after the end face of the inner ring and the shaft shoulder joint is not tight, cooling bearing KOYO can axial fastening. KOYO bearing outer ring and light metal bearing seat is tightly matched, the use of heating of the bearing seat and hot charging method, can avoid the mating surface by abrasion.
With the oil tank heating KOYO bearings, at a distance from the bottom at a certain distance should be a mesh, or using a hook hanging KOYO bearings, KOYO bearing cannot be sent to the bottom, to prevent the heavy impurities into the KOYO bearing or non-uniform heating, fuel tank must have a thermometer, strictly control the oil temperature is not more than 100 DEG C, in order to prevent backfire effect, reduce the hardness of the ring.