Model SAF200 Hot Products Wholesale Railroad Train Brake Shoes
Product introduction
According to customers` drawings, for train or wagon | |
Heavy Duty Truck.Train.Bus,Automobile,petroleum drilling machine. | |
Cast iron HT200 | Composite material |
Refer to standard GB/T 9439-1988 | 1.rail way composite Brake shoe Material: Composite material, high friction composite brake shoe, low friction composite brake shoe 2.Advantage: --Composite friction material bearing high energy braking; --High coefficient of friction and stability, --small heat fade for coefficient of friction, --Temperature insensitiveness, --Develop according to the samples or drawings --Certification:ISO9001-2000 Brake shoe shape size (mm) : (1) the steel back of outer arc: R450 (2) brake shoe width: 820-1 (3) the thickness of the brake shoe: 45 5. The steel back is made of Q235A steel manufacturing, steel plate performance shall comply with the provisions of GB/T700. 6. Brake shoe is made up of steel back and friction.Friction main raw material for: phenolic resin, nitrile rubber, steel fiber, reduced iron powder, graphite, etc. 7. The friction performance component of the learning performance and friction wear performance of two parts. |
| The mechanical properties shall comply with: | Table 1 physical and mechanical performance of the brake shoe Unit performance indicators G/cm3 density less than nominal worth plus or minus 5% The compression strength of 25 Mpa or greater The impact strength acuity 2.0 kJ/m2 The compression modulus of Mpa to 1.3 * 103 or less Rockwell hardness (HRR) 90 or less Water absorption percentage < 1.5% Oil absorption percentage < 1.5% Brake friction wear performance should be consistent with: Table 2.The change of the instantaneous friction coefficient range (20 kn brake shoe pressure) Speed (km/h) 0 10 20 30 to 40 50 to 60 The maximum 0.63 0.602 0.558 0.546 0.515 0.482 0.471 Standard 0.48 0.46 0.43 0.42 0.39 0.37 0.36 The minimum 0.42 0.40 0.40 0.36 0.33 0.32 0.37 |
1.Q: What is the certificate of your factory?
A: We have passed IAF ISO and TS16949 certification.
2.Q: Can it be produced according to the sample?
A: Yes, we can produce through your samples or technical drawings. We can build molds and fixtures.
3.Q: Do you test all products before shipping?
A: Yes, we conduct 100% quality testing before delivery, and we are 100% responsible for product quality.
4.Q: What is your delivery time?
A:If we have stock, we can send it immediately within a week. If not, it usually ranges from 7 days to 35 days, depending on the quantity.
5.Q: What is your sample policy?
A: We want to provide you with samples for approval. There will be no charge for 1 or 2 samples, but the customer needs to bear the courier fee first.
It will be drawback to customer when order placed
6.Q: How do you make our business establish a long-term good cooperative relationship?
A:1. We maintain excellent quality and competitive prices to ensure that our customers benefit;
2. We respect every customer as our friend, we do business sincerely and make friends widely,No matter where they come from.
