Spherical roller bearings installed after the end
2014-01-13 by seoer4
Spherical roller bearings installed after the end , in order to check for proper installation , operation should be checked . Small machines can be rotated by hand to verify rotate smoothly. Check the items are dysfunctional because nick, indentation caused due to poor installation , poor mount the torque generated by the processing of instability , torque due to the clearance is too small, the installation error, seal friction caused by too large and so on. If no abnormal power operation can begin .
Large machinery can not be Bearing manufacturing machine rotated manually , so the load starts immediately after the power cut , machinery idling , check for vibration , noise, if there is contact with rotating parts , etc., confirming that no abnormalities after entering power operation . Power operation , from the low -load starts to slowly improve the conditions set forth in rated operation . Commissioning items to check whether there is abnormal sound, temperature change , and so leakage of the lubricant or discoloration . If abnormal , should be immediately discontinued operation , inspection machinery , to remove the Spherical roller bearings checked when necessary.
Temperature is generally presumed bearing according machine tool spindle to the external temperature . But the use of direct measurement of the outer hole temperature is more accurate. Gradually increased from the start of operation , generally at a temperature of 1 to 2 hours after steady . If the installation is bad, temperatures will soar, abnormal high temperature . Reasons such as too much lubricant , clearance is too small , poor installation, seal friction and too big. High-speed rotation of the occasion , structure, lubrication and so is the choice of the wrong reasons .
Large machinery can not be Bearing manufacturing machine rotated manually , so the load starts immediately after the power cut , machinery idling , check for vibration , noise, if there is contact with rotating parts , etc., confirming that no abnormalities after entering power operation . Power operation , from the low -load starts to slowly improve the conditions set forth in rated operation . Commissioning items to check whether there is abnormal sound, temperature change , and so leakage of the lubricant or discoloration . If abnormal , should be immediately discontinued operation , inspection machinery , to remove the Spherical roller bearings checked when necessary.
Temperature is generally presumed bearing according machine tool spindle to the external temperature . But the use of direct measurement of the outer hole temperature is more accurate. Gradually increased from the start of operation , generally at a temperature of 1 to 2 hours after steady . If the installation is bad, temperatures will soar, abnormal high temperature . Reasons such as too much lubricant , clearance is too small , poor installation, seal friction and too big. High-speed rotation of the occasion , structure, lubrication and so is the choice of the wrong reasons .