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We choose the seamless steel pipe for making pulley.We precisely cut the tube by using the flame cutting machine, and weld the inner pulley disc by using the professional pulley welding machine, and weld the pulley sleeve & disc by using the positioner. We use the large pulley lathe process the outside circle, so that it ensures the pulley has the uniform thickness and small pulsation. We chose 45# round steel & sleeve and process the whole shaft so that it ensures shaft concentricity and reduction for the eccentric shaft force. It make sure the pulley move more stable, high-quality bearing which is hot charging and bearing block are equipped inner bearing Enlargement Device, so the bearing can be easily pushed to the bearing position and it avoids the bearing damage from the beating.We need make the eliminating inner stress treatments when the pulley’s withstand forces exceed 80KN and we will make the static balance inspection when the belt speed exceeds 2.5m/s.
We can produce different type ,different quality ,different standard pulley according to the customer's requests.


unit:mm
| B | D | A | L | L1 | K | M | N | Q | P | H | h | h1 | d | b | ds |
| 500 | 500 | 850 | 600 | 505.5 | 115 | 70 | -- | 280 | 340 | 100 | 33 | 60 | 55 | 16 | 27 |
| 650 | 500 | 1000 | 750 | 588.5 | 135 | 90 | -- | 350 | 410 | 120 | 33 | 76 | 70 | 20 | |
| 630 | -- | ||||||||||||||
| 800 | 500 | 1300 | 950 | 738.5 | 135 | 90 | -- | 350 | 410 | 120 | 33 | 76 | 70 | 20 | |
| 630 | |||||||||||||||
| 800 | 771 | 175 | 130 | 80 | 380 | 160 | 140 | 33 | 97 | 90 | 25 | ||||
| 1000 | 630 | 1500 | 1150 | 871 | 175 | 130 | 80 | 380 | 460 | 140 | 33 | 97 | 90 | 25 | |
| 800 | 900 | 215 | 160 | 90 | 440 | 530 | 160 | 53 | 119 | 110 | 36 | 34 | |||
| 1000 | 930 | 255 | 170 | 100 | 480 | 570 | 180 | 53 | 140 | 130 | 32 | ||||
| 1200 | 630 | 1750 | 1400 | 1025 | 215 | 160 | 90 | 440 | 530 | 160 | 53 | 119 | 110 | 32 | |
| 800 | |||||||||||||||
| 1000 | 1055 | 255 | 180 | 100 | 480 | 570 | 180 | 53 | 140 | 130 | 36 | ||||
| 1250 | 1065 | 275 | 160 | 110 | 540 | 630 | 200 | 63 | 161 | 150 | 40 | ||||
| 1400 | 800 | 2000 | 1600 | 1150 | 215 | 160 | 90 | 440 | 530 | 160 | 53 | 119 | 110 | 32 | |
| 1000 | |||||||||||||||
| 1250 | 1190 | 275 | 180 | 110 | 540 | 630 | 200 | 63 | 161 | 150 | 40 | ||||
| 1400 | 1200 | 335 | 200 | 120 | 590 | 680 | 220 | 63 | 181 | 170 | 40 |
Note: This table is for reference only, which is determined according to the material characteristics.
Mining industry: It is used for the transportation of materials such as coal and ores, such as coal transportation in underground coal mines and ore transportation in metal mines.
Metallurgical industry: It is used in steel mills, steelmaking plants, etc. for transporting materials such as iron ore, coke, and sintered ore.
Power industry: Used for coal transportation, ash and slag transportation, etc. in power plants.
Chemical industry: It can transport various chemical raw materials, finished products etc., such as fertilizer transportation in fertilizer plants and raw material transportation in chemical plants.
Grain industry: It is used for the transportation of grains in grain processing plants, grain depots and other places, such as wheat, corn, rice, etc.

All orders are professionally packed for safe transit. We use bubble wrap, cartons,wooden case, wooden pallet and steel frame to fully protect your items. Each package is labeled clearly and shipped out quickly. Track your order easily with the provided tracking
a. We offer warranty service together with a lifelong maintenance commitment, ensuring customers have no worries about after-sales issues.
b. We have set up a three-level service response system. General issues will be resolved within 24 hours, and emergency issues will be responded to within 30 minutes.
c. Service outlets are set up across the country, and professional staff are specially assigned to handle after-sales support.
d. For many years, the customer satisfaction rate has been consistently maintained at over 95%.
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