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Automatic Slack Adjuster Working Process
2016-03-02 09:20:03
At the beginning of the brakes, drive the S camshaft adjustment arm turned clearance angle (C) and excess clearance angle (Ce), and accurate records produced by wear. At this point S cam angle stroke in the gap region, the gap area Braking torque characteristic is changed much.
While continuing brakes, S rotary cam into elastic deformation zone, a sharp rise in braking torque until the car stops. Release the pedal, brake return, brake torque down, S cam angle stroke back gap region
According excessive gap adjustment arm when braking records, internal adjustment mechanism driven by S camshaft worm turned at an angle, thus completing the adjustment.
Adjust the angle of the arm stroke when braking ，Brake adjustment arm angle stroke can be divided into three parts:
The clearance angle, clearance corresponding to the brake drum and the normal friction linings;
Excessive clearance angle corresponding to a result of increased friction lining wear gap;
Flexible angle corresponds to the flexibility in transmission caused by a brake drums, brake linings and wheel cylinders and brake system dynamics.
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