Custom Parker Type Telescopic Single Acting Dump Truck Hydraulic Cylinder

Product Description

Product Process

1.Raw materials entering the factory, 27SiMn, 40CrMo, ST52, 45# steel tubes or bars for choice

2.Do the pre-treatment including pickling, phosphating and saponification, and then cold-draw the seamless steel tubes.

3.Put the steel tubes into the tempering furnace to do the stress relief annealing in convenience of the subsequent the processing.

4.Multi-roll straightening machine, with 10 straightening points, achieves the automatic rolling straighten, improving the efficiency greatly

5.Heat treatment to obtain workpieces with different properties by changing their internal microstructure or surface chemical composition.

6.Cylindrical degree can be controlled within 0.03mm and the surface roughness is up to 0.4 by honing with range: φ40mm-φ450mm and longest length: 12000mm

7.Machining processes to obtain high precision parts with complex shapes strictly according to the detailed drawings.

After-sales service

Warranty period:

dallast Hydraulic warrants all cylinders to be free from any defects in material or workmanship under normal use and service for a period of 1 months

Exclusion clause:

1.Troubleshooting, diagnostic, removal, or reinstallation labor charges;

2.Freight charges for either defective parts or new or repaired parts unless prior written approval is obtained from DALLAST;

3.Claims for loss of time, inconvenience, loss of use, profits or other consequential damages

4.Conditions from, alteration, accident, misuse, neglect, fire, theft, loss, intentional damage, direct, indirect, consequential, incidental, weather related, or any other type of damage resulting from the use of the product;

5.Corrosion unless the material is found to be out of specification;

6.Failure due to contamination introduced to the cylinder;

7.Paint unless out of specification;

FAQ:

Q1. What are the same aspects of your cylinder with Hyva cylinder?

A: Same inside structure.

Same outside dimension and same mounting sizes. It can be interchangeable with Hyva's

Q2. Compared with Hyva cylinder, what are your cylinder advantages?

A: 1. Rod are chrome plated.

2. Tubes are quenched and tempered.

3. Tube inner hole goes through deep hole boring machine processing. Surface roughness is 0.4Ra

and circular degree is 0.025.

4. Good quality yet lower price.

Q3: Are you a manufacture or a trade company?

A: Manufacture, we are the leader manufacturer of hydraulic industry in China with 22 years' experience and technology accumulation. With strong technical team we could solve any annoyance of you.

Q4: Do you have quality control system?

A: Yes, the quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.