درفلة

درفلة فولاذية

Roller, an important part of belt conveyor, which can support the weight of conveyor belt and material. 

Usage

Roller, an important part of belt conveyor, which can support the weight of conveyor belt and material. It accounts for 35% of the total cost of a belt conveyor and produces more than 70% resistance, so the choice of high quality rollers that guarantee an adequate working life with the result that equipment may function without the business of the plant being interrupted.

It has been well proven that considering the overall economies in today’s modern conveyors, their life and efficiency depends to a great deal on the choice of quality rollers, accurately manufactured using highly selected materials.

Characteristics

1. The roller tube is high frequency welding pipe, the shaft materials is high-precision cold drawn steel.

2. The bearings is deep groove ball bearing C3 clearance, HRB,SKF,NSK,LYC brand, lubricating is high efficiency 2# lithium base grease. 

3. The labyrinth seal structure, nylon 6,the sealing system can protect the roller from dust and water, 72 hours water-proof test inflow is zero.

4. Damping coefficient is 0.02-0.022, small radial run-out, extent is below 0.35mm, small rotating resistant, the resistant coefficient is below 0.01.

5. Minimum revolving resistance, low vibration and noise, good concentricity, low maintenance cost and high loading capacity.

6. Service life more than 30,000 hours.

PERFORMANCE PARAMETERS

Steel Roller Specifications
Standard diameterLength range roller's shell wall thicknessBearing Type 
mmmmmmmin-max
63.5150-6003.0-3.5204
76150-10003.0-3.5204 205
89150-12003.5-3.75204 205
102150-12003.5-4.0204 205 305
108150-15003.5-4.0204 205 305 306
114150-18003.75-4.5205 206 305 306
127150-18003.75-4.5204 205 305 306
133200-18003.75-4.5205 206 207 305 306
140200-20004.0-4.5205 206 207 305 306
152200-25004.0-4.5205 206 207 305 306 307 308
159250-30004.0-5.0205 206 207 305 306 307 308
165250-30004.5-5.0207 305 306 307 308
177.8300-30004.5-5.0207 306 307 308 309
190.7300-35005.0-6.0207 306 307 308 309
194300-35005.0-6.0207 307 308 309 310
219300-35005.0-6.0308 309 310
Note:we can manufacture as buyers’ demand



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