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Head parts manufacturing and maintenance of bearings
Edit: Cixi dromaeosaurs bearing factoryDate: 2016-08-03

  Cartridge headset bearings manufacturing method of characteristics:

Shang cover is will scheduled shape and the weight of metal rod to more group mold composition of continuous die for series cold forged and into, makes of in top surface forming a not through of plug hole, end of surface highlight has a pressure ring, then through continuous die repeatedly cold forged and will the plug hole and the pressure ring stereotypes, to makes the plug hole through on both sides, to constitute by said of Shang cover;

Shang Bowl is will scheduled shape and the weight of metal rod to more group mold composition of continuous die for series cold forged and into, to has a can arrived received Yu head tube top of ring arrived shoulder, and a can stretch into head tube in the of tube body, and Yu ring arrived shoulder of end surface forming a not through of capacity hole, then through continuous die repeatedly cold forged the ring arrived shoulder, and tube body and the capacity hole, then, in tube body of end surface forming has a and capacity hole concentric connected and aperture neck shrink of perforation;

Xia Bowl is will scheduled shape and the weight of metal rod to more group mold composition of continuous die for series cold forged and into, to has a can arrived received Yu head tube bottom of ring arrived shoulder, and a can stretch into head tube in the of tube body, and Yu ring arrived shoulder of end surface forming a not through of capacity hole, then through continuous die repeatedly cold forged the ring arrived shoulder, and tube body and the capacity hole, then, in tube body of end surface forming has a and capacity hole concentric connected and aperture neck shrink of perforation.

  Cartridge headset bearings care method:

Cartridge headset bearings are an important part of bicycle, undertook the task of steering. If the maintenance of the neglected front wrist group, can not only cause riding does not apply, and even cause accidents from happening.

To detect whether the Head parts before riding loose: tighten the front wheel under braking conditions, the body before and after the drive, and then on the thumb and index finger on the bearing housing. Feel the shell on the gasket cracks actuating status, if Head parts have a gap, you need to carefully check and adjustment.

In General, headset after loosening is due to the long ride thread loosening or the original installation clearance of the bearing caused by change. Need to slightly loosen the handlebar locking screws, and moderately tighten the locking screws of the top of the head tube. State-controlled torque wrench, torque tighten in strict accordance with the parts labeled, without advanced tools, plain Hexagon bit in the portfolio tool. Then gently turn the fork, see Turning there is no resistance. Finally, tighten the fixing screws can be made. Shake before and after finally go over the handlebars.

If the head tube at the top of the locking screws are tight even the rotation of the front fork has some resistance, shaking tests can still be bearing housing open before and after moving, it indicates that your headset has a fault. You need to be replaced or go to the dealership for further examination.

Final recommendation: Head parts should be checked before each ride, which takes only a few seconds. Loose headset continues to ride a line will cause damage to the headset. And lead to steering failure, abnormal balance control. Therefore, to check and adjust the Head parts, can sang parts of life, reducing cycling injuries.