CMG offers Telescopic Hydraulic Cylinder for Dump Trailer. CMG has professional R&D team with rich design experience and manufacturing capabilities.
1. Raw materials 27SiMn, 40CrMo, ST52, ck45# steel tubes or bars for choice
2. Do pre-treatment including pickling, phosphating and saponification then cold-draw the seamless steel tubes.
3. Put the steel tubes into the tempering furnace to do the hardness relief annealing in convenience of the subsequent the processing.
4. 10 straightening points multi-roll straightening machine to achieve automatic rolling straight improving the efficiency greatly
5. Heat treatment to obtain work pieces with different properties by changing their internal microstructure or surface chemical composition.
6. Cylindrical degree can be controlled within 0.03mm, then by honing with range:φ40mm-φ450mm. Surface roughness is up to 0.4 and max length: 12000mm
7. Machining processes to obtain high precision parts with complex shapes strictly according to the detailed drawings.
8. The electroplating process can meet the functional and decorative requirements of different sizes of coated workpieces according to specific application requirements
9. Cleaning all the parts by automatic cleaning machine in the special solution and under special temperature control effectively.
10. All the parts are assembled into complete cylinders according to the strict assembly instructions by skillful workers in dust-free workshop.
11. Perform pressure and performance tests to check whether the hydraulic cylinder can run smoothly and stably under the specified pressure without leakage and deformation.
12. High-quality primers and topcoats to obtain a beautiful appearance and protect the hydraulic cylinder from corrosion.
13. Packed in wooden pallets or wooden boxes with plastic film on the surface, suitable for long-term sea transportation.
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