一、进口轴承轴套
I. Imported bearing sleeve
1）轴套内径超越规则的最大值?即轴径加上轴承的最大答应间隙；
1) The maximum value of the inner diameter of the Bush exceeding the rule, that is, the maximum allowable clearance of the Bush plus the bearing;
2）轴套外径小于规则尺寸的最小值?而且采用滚花的办法不克不及包管质量要求时；
2) The outer diameter of axle sleeve is less than the minimum of regular size, and the method of knitting can not meet the quality requirement of guaranteeing.
3）轴套发作烧损或抱轴时。
3) When the axle sleeve is burnt or hugged.
二、对开式进口轴承
2. Opposite imported bearings
1）合金严重磨损?其厚度减薄1/2以上时；
1) When the thickness of the alloy decreases by more than 1/2, the wear of the alloy is serious.
2）合金层脱壳?龟裂严重?面积达1/3以上时；
2) When the alloy layer is decorticated, the crack is serious and the area is over 1/3;
3）进口轴承合金层严重烧损；
3) Imported bearing alloy layer is seriously burned;
4）合金与轴的接触角大于120o?无法再用铲刮瓦口平面的办法来调整接触角或侧间隙过大无法调整时。
4) When the contact angle between the alloy and the shaft is more than 120o, it is no longer possible to adjust the contact angle or side clearance by scraping the tile surface with shovel.
三、进口轴承薄壁瓦
3. Imported Thin-walled bearing bushes
1）合金层烧熔的；
1) The alloy layer is melted by sintering;
2）进口轴承合金层磨损严重？发作咬伤？无法用加垫法收紧时；
2) Imported bearing alloy layer wear seriously? A bite? When it can not be tightened by cushioning method;
3）合金层脱壳或龟裂时；
3) When the alloy layer is shelled or cracked;
4）合金层磨损不太严重？但不克不及包管检修距离期时；
4) Thesongjiaoyou.07858.net diandongm.89ix.comfangdaomenw.89ix.com fengmao.89ix.comjialouyi.89ix.comtiaojiefad.89ix.com wear of alloy layer is not serious? However, it should not be too late to guarantee the maintenance distance period.
5）合金层磨损？需采用加垫法收紧轴承?但垫片厚度超越0.5mm时。
5) Wear of alloy layer? The bearing should be tightened by adding gaskets, but when the thickness of gaskets exceeds 0.5mm.
四、止推轴承
Thrust Bearing
1）推力瓦块严重磨损?其厚度减薄1/2以上时；
1) When the thrust pad is seriously worn, the thickness of the thrust pad is reduced by more than 1/2.
2）推力瓦块烧熔时；
2) When the thrust tile is melted;
3）推力瓦块脱壳、龟裂。
3) Thrust pad dishulling and cracking.