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One.application and feature
Roller are widly used in belt conveyor laoding and aligning ,made the material on the belt to the end of belt conveyor ,and unload
Roller main feature
1.Good sealability
2.withstand the axial load
3.Smooth operation, no block phenomenon
4.High universality and interchangeability
5.Easy to replacement
6.Remove the convenient, maintenance is strong, high reliability
Two.Use environmental conditions
This series of roller can be used in coal-dust, pouring water, wet environment, have dustproof, waterproof, corrosion resistant properties.
Environmental temperature in the-100C ~--40can normal operation
Four:parts introduce
1.pipe used 20# ERW steel pipe,all quality Accord with MT/T1019-2006
2. Bearing housing used metal stamping
3. chinese standard bearing
4: roller shaft used 45# steel
5.seals used labyrinth seals ,good quality , prevent the coal dust and water bearing
Five:Technical performance
1,Radial beat round
Roller dia |
Roller length |
|||
less than460 |
460~950 |
950~1600 |
more than 1600 |
|
φ76~φ108 |
0.5 |
0.7 |
1.3 |
1.5 |
φ133~φ159 |
0.7 |
1.00 |
1.5 |
1.8 |
φ194~φ245 |
1.0 |
1.2 |
1.7 |
2.1 |
2.Axial channeling move
In the 500 N axial load, the roll shaft "to move down the value of the more than 1.2 mm.
3.axial loading
Roller dia mm |
Applied axial loading KN |
φ76~φ108 |
10 |
φ133~φ159 |
15 |
φ194~φ245 |
20 |
5. working life:more than 20000hours
ix. working principle
Roller through roller conveyor belt and the friction between the body, to roller bearing outer ring, seals and bearing the rotary motion, and conveyer belt do with its together and realize the transmission of logistics
Seven: structure introduction
Roller structure drawing as no1 ,main roller made of pipe shell ,shaft,bearing bearing housing and labyrinth seals ,use inside and outside labyrinth selas ,good feature in anti- dust,anti-water
Eight:Installation and adjustment
Different conveyor structure,different roller installation method ,could accord conveyor instruction book for installing and adjusting
Nine:use and operation
1. Roller before use carefully check appearance for serious damage phenomenon, rotating knock against roller should be flexible rotation, no card resistance.
2.The installation of the roller and depending on the type of logistics distance and conveyor characteristics by scientific computing freight volume size and decide, avoid a dredging or dense installation.
3. Roller installation should adapt to avoid mutual grinding touch
Ten: Failure analysis and ruled out
Fault phenomena |
cause analysis |
solutions |
remark |
no running or too tighten |
no grease bearing damage seals damage |
greesing and change new parts |
|
|
Abnormal sound
|
Bearing damage |
change new parts |
|
Axial drive too big |
Seals attrition |
change new parts |
|
Eleven::transportation and storage
1.when loading packed in bundle,and should be strong and reliable
2.Roller should be in the well ventilated warehouse storage, storage in the nowadays to cushion the legs, prevent water erosio
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