По настоящему бесконечные PU зубчатый ремень Dt10 2250 с двумя зубьями в шахматном порядке

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The installation and maintenance of belt
1.Switch off the power,remove the protective cap.loosen the assembly,move the motor to make the belt loose,you can take off the belt wrenching it up.
2.Take off the old belt,and then check if there is any abnormalwear and tear.Excessive wear and tear may indicate there are some problems with the design or maintenance of the gearing.
3.Choose the proper belt.
4.Clean the belt and the pulley using a cloth with some liquid which can't volatilize easily.It is not proper to soak it in the cleaning formulation or brush it with cleaning formulation or use the sand paper or sharp subject to scratch.The belt must be kept in dry condition.
5.Check the pulley if there is any abnormal wear and tear or crack,if the wear and tear is excessive,the pulley must be changed.
6.Check the pulley to see ifit is in symmetrical straight line,which is very important for the performance of the transmission,especially for the timing belt gearing.
7.Check the rest parts of the gearing,for example,the symmetry of the bearing and the bearing boot,durability and lubrication,etc.
8.When nstaling a new belt on the pully,it is forbidden to wrench or use too much force.
9.Ajdust and tighten the central distance of the gearing,until the tension is proper measured by the tension gauge.Use hand to rotate the driving pulley for several rounds and measures the tension again.
10.Tighten the assembly bolt of the motor,correct the torque,because nay change of the central distance well cause the bad property of the belt.Make sure all the gearings are tightened.
11.Switch the gearing on and observe the property of the belt if there is any unuaual vibration,listen carefully to see if there are any unusual noises.You'd better turn off the machine,then check the condition of bearing and motor,if the temperature is very high,may be because the belt is too tight or bearing is not symmetrical,or the lubrication is not correct.


The belt can't be crimped and bend sharpiy,the minimun bending diameter is as follows.
Type
Code of pitch
The minimuem crimping diameter allowed
Classical timing belts
MXL,T2.5
15
XL,T5
15
L,T10
20
H
40
XH,T20
70
XXH
100
HTD/STD timing belts
3M
15
5M
25
8M
40
14M
80


Problem analysis


Problem analysis
Edge wear
Problem and analysis
Solution
Belt not parallel to axis:Belt runs against flanged pully
Check drive,line up or, ifnecessary,replace any nonaligned pulleys change the belt
Running noises froom belt
Adjust tension properly
Wheels axially off-centre:Timing belt cannot be properly aligned
Tension too high:Belt whines,whistles
Flang pulley has flaws
Replace pulleys.change the belt
Tension too low:Belt knocks against covering
Bearing play in components
Fabric wear in the tooth foot
Unacceptable wear of tooth flanks/base separating and tooth shearing
Belt excessively tensioned
Change the belt,adjust tension correctly
Tension too hign/too slow
Change the belt adjust tension properly
Belt is overheating
Find out cause (e.gcheck cold performance),take corrective actioon,change the belt
Trapped foreign matter
Remove foreign matter,check covering is seated properly change the belt
Timing belt pulley is worn out
Replace timing belt pullley,change the belt
Jammed timing belt pulley or tensioning pulley
Find out cause (e.g.defective bearing),take corrective actioon,change the belt
Teeth and fabric separating from belt body
Running marks on teeth side
Leaks(e.g.escape of oil,antifreeze etc
Repair leaks,chang the belt
Foreign matter in timing belt dive
Remove foreign matter,check the belt,check the cover is seated properly
Flaws in teeth of timing belt pulley cause by foreign matter of tools during mounting
Replace timing belt pullley,change the belt,ensuring it is properly mounted
Timinng belt damaged before/during mounting
Change the belt ensuring it is properly mounted
Crack on back of timing belt
Timing belt snaps
Ambient temperature too high/low
Find out cause (e.g.check cold performance),take corrective actioon,change the belt
Foreign matter in the drive
Remove foreign matter/media,change the belt
Contact with foreign media
Change the belt ,chcek the covering is seated properly
Contact with foreign media
Change the belt ,chcek the covering is seated properly
Back idler pulley sluggish
Reaplace pulley,change the belt
Excessive tensioning
Change the belt,adjust tension correctly
Ageing
Change the bele
Belt was crimped before/during mounting
Change the belt and mount is properly
Defective system components
Bearing play
Reaplace the idler.tensioning and/or guide pulley
Damaged running surface


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