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The driving drum is the main component of the belt conveyor transmission power. The structure has steel plate welding structure and cast steel or cast iron structure;
According to the load-bearing capacity, it is divided into three types: light, medium and heavy.
1.Light bearing aperture: 80~100mm 2.Medium bearing aperture: 120~180mm3.Heavy bearing aperture: 200~220mm;
The surface forms include steel smooth roller, rubber-coated/cast rubber roller, etc. The main disadvantage of steel smooth roller is that the surface friction coefficient is small, and it is generally used on short-distance conveyors with low ambient humidity. The main advantage of rubber-coated/cast rubber rollers is the large surface friction coefficient, which is suitable for conveyors with high humidity and long transport distances.
The bend pulley is used to change the running direction of the conveyor belt (180°, 90° and <45°) or to compress the conveyor belt to increase the wrap angle with the transmission roller, below the belt ,mainly use smooth rubber surface .The shaft should be a forging, and non-destructive testing should be carried out and an inspection report should be provided.The bend pulley and the drive pulley are generally used in combination.
| Type | Belt width | Standard Diameter | Length |
| Drive pulley | 500 mm | 500mm | Length of the pulley depends the belt width of the conveyor |
| 650 mm | 500mm,630mm | ||
| 800 mm | 500mm,630mm,800mm,1000mm,1250mm,1400mm | ||
| 1000 mm | 630mm,800mm,1000mm,1250mm,1400mm | ||
| 1200 mm | 630mm,800mm,1000mm,1250mm,1400mm | ||
| 1400 mm | 630mm,800mm,1000mm,1250mm,1400mm | ||
| 1600 mm | 630mm,800mm,1000mm,1250mm,1400mm | ||
| 1800 mm | 630mm,800mm,1000mm,1250mm,140 mm | ||
| 2000 mm | 800mm,1000mm,1250mm,1400mm | ||
| 2200 mm | 1000mm,1250mm,1400mm | ||
| 2400 mm | 500mm,630mm,800mm,1000mm,1250mm,1400mm | ||
| Bend pulley | 500 mm | 250mm,315mm,400mm,500mm | |
| 650 mm | 250mm,315mm,400mm,500mm,630mm | ||
| 800 mm | 250mm,315mm,400mm,500mm,630mm,800mm,1000mm,1250mm | ||
| 1000 mm | 250mm,315mm,400mm,500mm,630mm,800mm,1000mm,1250mm | ||
| 1200 mm | 250mm,315mm,400mm,500mm,630mm,800mm,1000mm,1250mm,1400mm | ||
| 1400 mm | 315mm,400mm,500mm,630mm,800mm,1000mm,1250mm,1400mm | ||
| 1600 mm | 400mm,500mm,630mm,800mm,1000mm,1250mm,1400mm | ||
| 1800 mm | 400mm,500mm,630mm,800mm,1000mm,1250mm,1400mm | ||
| 2000 mm | 500mm,630mm,800mm,1000mm,1250mm,1400mm | ||
| 2200 mm | 630mm,800mm,1000mm,1250mm,1400mm | ||
| 2400 mm | 800mm,1000mm,1250mm,1400mm |
| B (mm) | Drive pulley diameter(mm) | 180° bend pulley diameter(mm) | 90° bend pulley diameter(mm) | <45° bend pulley diameter(mm) |
| 500 | 500 | 400 | 320 | 320 |
| 650 | 500 | 400 | 400 | 320 |
| 630 | 500 | 400 | 320 | |
| 800 | 500 | 400 | 400 | 320 |
| 630 | 500 | 400 | 320 | |
| 800 | 630 | 400 | 320 | |
| 1000 | 630 | 500 | 500 | 400 |
| 800 | 630 | 500 | 400 | |
| 1000 | 800 | 500 | 400 | |
| 1200 | 630 | 500 | 500 | 400 |
| 800 | 630 | 500 | 400 | |
| 1000 | 800 | 500 | 400 | |
| 1250 | 1000 | 630 | 400 | |
| 1400 | 800 | 630 | 500 | 400 |
| 1000 | 800 | 500 | 400 | |
| 1250 | 1000 | 630 | 400 | |
| 1400 | 1250 | 630 | 400 |
For pulleys with complex forces, large loads, and heavy working conditions, cast welding structures and expansion sleeve connections are used. Compared with traditional domestic rollers, this type of roller has the following main features:
(1) The pulley structure parameters are advanced and reasonable. There is a special computer calculation program to determine the shaft diameter, tube skin thickness, wheel web shape and spacing. The circumferential weld position is set at the position with the lowest stress and the least number of cycles.
(2) The key technology of single-sided welding and double-sided forming is adopted to ensure the quality of the weld.
(3) The expansion sleeve connection is adopted between the drum hub and the shaft, which not only solves the key connection stress concentration problem and the manufacturing and installation technical difficulties of the axial double keyway that have existed for many years, but also realizes overall tightening and eliminates the internal stress of the welding.
Reliable performance;
Good-looking appearance;
Safe and convenient to use;
Work in dusty, wet and muddy environments;
Made according to the customers' requirements
Q1. What are your packaging conditions?
A: Generally speaking, we pack goods in wooden boxes. If you have any other requirements,We can also package the goods according to your needs.
Q2. What is your delivery time?
A: Generally speaking, it takes 10 to 20 days after receiving the advance payment. The specific delivery time depends on Regarding the items and quantities of your order.
Q3. Can you produce according to the sample?
A: Yes, we can produce according to your samples or technical drawings. We can manufacture molds and fixtures.
Q4. Do you inspect all goods before delivery?
A: Yes, we have 100% testing before delivery.
Q5. How can you maintain a good long-term relationship with our business?
A:1. We maintain good quality and competitive prices to ensure the interests of our customers;
2. We respect every customer like a friend and sincerely do business and make friends with them, No matter where they come from.
