When a small suction truck determines that there is a problem or failure of the shock absorber, it should first check the shock absorber for signs of oil leakage or old oil leakage.
Suction truck oil seal gaskets and gaskets were broken and damaged, and the fuel tank cap nuts were loosened. It may be the oil seal and the gasket failure. Replace the new seal. If you still can not eliminate the oil spill, you should pull out the shock absorber, if you feel there is a hairpin or different severity, and then further check the piston and cylinder bore is too large, the shock absorber piston rod is bent, the piston rod Whether the surface and cylinder are scratched or scratched.
If there is no oil leakage in the shock absorber, check the shock absorber connecting pin, connecting rod, connecting hole, rubber bush, etc. for damage, loosening, cracking or falling off. If the above inspection is normal, the shock absorber should be further decomposed to check whether the clearance between the piston and the cylinder is too large, whether the cylinder is damaged, whether the valve seal is good, and whether the valve flap and the valve seat are tightly adhered or not. Whether the extension spring of the shock absorber is too soft or broken, it is repaired or replaced according to the situation.
In addition, shock absorbers may malfunction in actual use. This is mainly due to shock absorbers colliding with leaf springs, frames, or shafts, damage or detachment of rubber pads, and deformation of the shock absorber dust caps. If it is caused by lack of reasons, the cause should be ascertained and repaired.
Classification of tablet press: Models can be divided into single punch tablet press, rotary tablet press, sub-high speed rotary tablet press, automatic high speed tablet press and rotary core tablet press.
The sheet shape pressed by the tablet press is initially flat circular, and later developed into shallow circular arc and deep circular arc on both sides, which is for the need of coating. With the development of special-shaped tablet press, oval, triangle, oblong, square, diamond, circular ring tablets followed. In addition, with the continuous development of preparations, due to the requirements of compound preparations and timed release preparations, special tablets such as double layer, triple layer and core coating are made, which need to be completed on special tablet press.
Rotary tablet press is a machine which is made of several pairs of die distributed on the turntable to make a circular lifting movement according to a certain track and press the granular material into tablet through the press wheel. And the stamping rod with the rotary table rotating speed ≥60m/min line press is called high-speed rotary tablet press, this high-speed rotary tablet press has a forced feeding mechanism, the machine is controlled by PLC, has the automatic adjustment of pressure, control the weight of the piece, eliminate the waste piece, print data, display fault shutdown and other functions, in addition to the control of the weight difference within a certain range, Quality problems such as missing Angle and loose lobe can be automatically identified and eliminated.
With the development of market demand, the scope of application of tablet press is more and more wide, no longer simply limited to the suppression of Chinese and Western medicine tablets, more widely suppressed health food, veterinary medicine tablets, chemical tablets: such as mothballs, washing blocks, smurf blocks, art powder, pesticide tablets, food tablets: chicken essence block, isatis root block, divine Qu tea block, compressed biscuits.
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