OEM/ODM Manufacturer Lightweight Conveyor Rollers - Steel Spiral Return Roller – Joyroll

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OEM/ODM Manufacturer Lightweight Conveyor Rollers - Steel Spiral Return Roller – Joyroll Detail:

This steel spiral return roller also called self-cleaning roller, it can clean the sticky material on the belt and protected build-up on the rollers. JOYROLL maintenance-free steel spiral return roller reduces downtime due to less carryback or less belt mistracking.

SPECIFICATION:
Roller Diameter: 89, 102, 108, 114, 127, 133, 140, 152, 159, 165, 178, 194, 219mm

Roller Length: 100-2400mm.Shaft Diameter: 20, 25, 30, 35, 40, 45, 50mm
Bearing type: 6204, 6205, 6305, 6206, 6306, 6307, 6308, 6309, 6310
Surface Treatment: Electrostatic Powder Coating, Galvanization.
Standard: DIN, CEMA, JIS, AS, SANS-SABS, GOST, AFNOR etc.

RAW MATERIAL OF ROLLERS:
1. Pipe:

High precision longitudinal seam-welded steel pipe, materials S235JR(EN 10025-2),St37-2 (DIN 17100)
Remove internal and external welding bars and uniform wall thickness ensure the roller good dynamic balance
Good out of roundness of pipe ensure the roller have small T.I.R
The pipe is cut and machined using automatic CNC machines, that guarantee the tolerances precision
Roller surface treatment is electrostatic powder coating, thickness of coating approx. 80-120 μ.

2. Shaft:
Cold-drawn round steel bar, materials S235JR(EN 10025-2),St37-2 (DIN 17100)
High precision diameter tolerance, seat IT6 acc. to EN ISO 286-1, perfect match with bearings.
Cut and machined by automatic numerically controlled machines
Precise positioning of circlip groove ensure roller have very small axial movement.
Galvanized shaft are available.

3. Bearing:
Deep-groove ball bearings, tolerance class P5 (DIN 620)
C4 radial clearance provides for optimum roller operation
Bearings are filled with lithium base grease throughout its service life
Nylon cage advantage: self-lubricating, abrasion resistance and low heat by friction, low noise, long service life
A variety of brands are available (HRB,ZWZ,LYC,SKF,FAG,TIMKEN,NSK,NTN etc.)

4. Bearing House:
Made of high quality cold-rolled steel plate, materials DC01(EN 10130), St12(DIN 1623)
High precision, smooth and no burr, bearing fit tolerance standard ISO M7
Perfect concentricity ensure the roller low T.I.R

5. Seal System:
The system comprises of inner seal, labyrinth seal, galvanized metal dust cover, protective cover
Inner lip seal prevent the pipe internal rusting entering the bearing, material is Nylon.
Labyrinth seal have two parts, female labyrinth seal and male labyrinth seal, both material are Nylon or POM,especially effective against the intrusion of outside contaminants
Labyrinth seal filled with lithium lubricating grease, maintenance-free throughout its service life
The labyrinth system can be fitted with a rubber friction ring to prevent the intrusion of water

7. Lubricating Grease:
#2 Long lasting lubricating grease, working condition -20°c to 120°c

8. Surface Treatment:
Electrostatic Powder Coating

FEATURES:

  1. Preventing material buildup, Self-cleaning, non-stick surface
  2. Specially advantageous with sticky materials on return side;
  3. Highly-effective labyrinth seals protected from dust & water into the bearing;
  4. Designed and manufactured for a long, trouble-free life;
  5. Maintenance-free, high-quality sealed ball bearing.

APPLICATION:
Mining

Steel mill
Cement plant
Power plant
Chemical Plant
Sea Port
Storage etc.

CERTIFICATE:
ISO9001, SGS, CE


Product detail pictures:

OEM/ODM Manufacturer Lightweight Conveyor Rollers - Steel Spiral Return Roller – Joyroll detail pictures


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Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for OEM/ODM Manufacturer Lightweight Conveyor Rollers - Steel Spiral Return Roller – Joyroll , The product will supply to all over the world, such as: Mecca, Vietnam, Cambodia, We are in continuous service to our growing local and international clients. We aim to be worldwide leader in this industry and with this mind; it is our great pleasure to serve and bringing the highest satisfaction rates among the growing market.
  • On this website, product categories is clear and rich, I can find the product I want very quickly and easily, this is really very good!
    5 Stars By Christina from Haiti - 2017.09.28 18:29
    Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Honorio from Durban - 2018.12.11 14:13
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