The function of the roller is to transfer the weight of the locomotive group to the ground and roll it on the track. To prevent derailment, the roller should also be able to prevent the track from moving laterally relative to it. Rollers often work in mud and sand, and withstand strong impacts, the working conditions are extremely harsh, and the rim is easy to wear. The requirements for the roller are: the rim is wear-resistant, the bearing seal is reliable, and the rolling resistance is small.
Our products are according to the standard of OEM to manufacture.
The four wheels refer to: rollers, drive wheels, idlers, and carrier pulleys. One belt refers to the tracks. As the name suggests, the rollers act as support and are located between the lower surface of the left/right beam of the chassis frame and the track. According to the tonnage of the excavator, there are usually 5-10 on one side. The driving wheel plays the role of driving the track, which is fixed on the travel motor, and the drive of the travel motor is transmitted to the track through the gear structure, usually one on each travel motor. The idlers act as guides the tracks, located at the opposite end of the drive wheels, usually two per excavator. The carrier roller plays the role of holding up the track, and according to the tonnage of the excavator, there are usually 1-2 carrier rollers on one side.
Excavator EX300 Sprocket:
| Komat su: | PC20,PC30,PC40, PC60-5-6-7, PC100, PC120, PC130, PC240, PC200-1-3-5-6, PC220-1-3-5, PC300-3-5, PC300-6,PC4001-3-5, PC400-6; PC650,PC800,PC1100 |
| Hitachi: | EX30,EX40, EX60, EX150, EX100M, EX100, EX120, EX150,EX200-1-2-3, EX300-1-3-5, EX300-6,EX330,EX350,EX400, EX870.UH08, UH07 ,ZAX200,ZX230 ZX250 ZX330 ZX350 |
| Cater pillar: | E70,E110B,E120B, E200B (E320), E240 (MS180), E300B,E325, E330;E345,E385 |
| Daewoo: | DH55, DH220, DH280,DH320,DH400,DH500 |
| Doosan: | DS300LC,DX300LC,DS340LC,DX340LC, |
Company Profile
Changte Machinery Parts Co., Ltd is a collection of industry, trade as one of the modern parts company, specializing in the production and sales of excavator and bulldozers parts, the main products: chassis parts, vulnerable parts, seals, electrical parts, engine parts, hydraulic parts (system), wear-resistant parts, filter parts, etc.
Our products can be used with various machines such as KOMATSU, CATERPILLAR, HITACHI, SUMITOMO, DOOSAN, HYUNDAI, VOLVO, KATO, JCB, KOBELCO, SANY, XCMG, LiuGong, LIEBHERR, ZOOMLION, SUNWARD, CSAE, WORLD and so on. We can also design special products as our customer requests. We offer high quality products, shorter delivery times and the best logistics.
FAQ:
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
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