Audited Supplier
We offer shock absorber, rear shock absorber, kyb shock absorbers, front shock absorber, gas shock absorber, air shock absorber, engine shock absorber, spring shock absorber, suspension strut spring-bearing damper, Industrial Precision Chrome plate Slender Shaft Hydraulic Cylinder Piston Rod.
Specifications:
| Precision Piston Rod Steel Hollow Shaft | ||
Standard | DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713... | |
Material | All kind of brass,copper,stainless steel etc... | |
Heat treatment | BKS | |
Specification | Outer diameter(mm) | Inner diameter(mm) |
50-300mm | 40-250 | |
I.D Tolerance | H8-H9 | |
Length | 200-600m (Customers usually choose the 300~500m) | |
Straightness | 1/1000 | |
ID roughness | RA 0.4micron(max) | |
Technology | Honed & SRB(SKIVED AND ROLLER BURNISHED ) | |
Scope | Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application | |
Manufacturing Process Description:
1. Hydraulic shear cutting
2. CNC machining + additional broaching and milling operations
3. Induction hardening at a range of different frequencies and powers
4. Rotary straightening
5. Proportionally servo controlled CNC grinding
6. Leading edge technologies for hard chromium
7. Dehydrogenation and tempering
8. Wet polish and superfinish polish with 100% surface condition control
9. Export Packaging
Our Advantage
Our Company
Our company specializes in manufacturing automotive shock absorbers, Piston rods, sintered parts, stamping piece, aluminum parts, rubber products and stainless steel parts, ect...Our products sell well all over the world. The export percentage always accounts for 80% against our total turnover. The strong capacity of our company enables us to enjoy high reputation in the home and world. Lancaster company has passed the ISO9001 and IATF16949 international quality management system certification.
As for the production equipments, we have the functions of CNC, lathing, milling, drilling, thread rolling and polishing machines. Furthermore, we also have advanced equipments with functions of forging, punching and surface finishing.
In order to assure the stability and durability of our products, we have introduced various kinds of advanced inspection instruments. We have professional inspection personnel to deal with the inspection work. They are mainly engaged in the measuring test, metallurgical analysis, chemical elements of material analysis, hardness test, flaw detection, pulling test, performance test, usage life test, sealing test and salt spraying test.
We also have a professional R&D team. There are about 11 engineers in this department, 4 of whom are senior engineers. They dedicate themselves to the product R&D as well as pursuing innovation and improvement.
FAQ
1. Are you a factory or trading company?
We are a factory in Ningbo, Zhejiang and is specialized in manufacturing and supplying wire brush, food container, kitchen utensils. Established in 1998, we have more than 20 years' experience on producing & exporting.
2. How long can we get reply?
Usually within 24 hours.
3. Can we make customized products that the market has never seen?
Yes. we have R&D department, and can open mould according to your design draft or sample. If new mould is needed, then we can make new mould to produce the products you want.
4. Can you OEM?OEM is always available. Our professional engineers are not only able to give advice to customers, but also can design the package box according to customer's needs.5.What do I need for offering a quote ?
Please offer us drawings (with material, dimension, tolerance, surface treatment and other technical requirement etc.) ,quantity, application or samples. Then we will quote the best price within 24h.
6. Why choose us?
We have professional team with rich experiences and high precision equipment which can guarantee the product quality, through our scientific management and strict cost control we can offer you the best competitive.
