Excavator Hydraulic Cylinder

Excavator is one of the most widely used construction machinery, excavator hydraulic cylinder impact load is large, complex control, the hydraulic cylinder structure, buffer, coating, sealing requirement is very high.

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Product Details

Product Description:

In the light of the special working condition of the excavator hydraulic cylinder seal structure, the buffer structure, mechanical structure and coating technology for a lot of research work, yuan xing for construction machinery manufacturers all over the world each year hundreds of thousands of high quality excavator hydraulic cylinder.

Yuan xing has the world advanced production base of research and development of excavator hydraulic oil cylinder. Whether it is small, medium, large or super large mining excavator, Yuan xing can provide high quality excavator oil cylinde.

Excavator is one of the most widely used construction machinery, excavator hydraulic cylinder impact load is large, complex control, the hydraulic cylinder structure, buffer, coating, sealing requirement is very high.

Product Advantages:

Eliminates hoses and tubing from the manifold block

Reduces the use and cost of additional purchased parts

Streamlines for a better fit, a better aesthetic appearance, and increased clearances on the equipment

Prevents contamination during machine assembly

Technical parameters:

Excavator  hydraulic cylinder

Bore Dia.(mm)

Rod Dia.(mm)

Stroke(mm)

Machine Type(T)

Min

70

40

106

1.8

Max

360

260

3150

400

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 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 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.
8. Electroplating production process fulfills the functional and ornamental requirements for coating work pieces of different dimensions according to specific application requirements.
9. Cleaning all the parts by automatic cleaning machine in the special solution and under special temperature control effectively.

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