Cylinder tube size and choice
According to the cylinder pressure and inside diameter size ,different steel tube Would be choosed .
1. ID 300mm , cold rolled precision seamless tube would be choosed
2. 300mmID 500mm , hot rolled seamless tube would be choosed
3. 500mmID 1000mm, forged tube would be choosed
4. Cylinder tube steel grade : SAE1020 , SAE1045 ,27SiMn , S355JR ,S355J2G3
St52-3 ,SUS304 ,SUS316L etc .
4.A Cylinder tube inside boring and honing , roughness R0.2-R0.3,
4.B Cylinder tube inside chromating : if necessary ,tube inside chromating could be applied
Main Description
In coal mining work,there are differet kinds hydraulic supports according to different coal mining conditions.
These hydraulic supports including general working surface supports, steep coal seam supports,thin coal seam supports, medium-thickness coal seam and large coal mining height support.
Design
Not only we could manufacture all kinds of hydraulic cylinders according to the drawing from our
customers,but also we could make a design according to customer's requirements.If you
require our engineer to make a design,pls advise us the following specification:
1. Rated pressure
2. Working pressure
3. Test pressure
4. Working condition and environment ,for example ,temperature ,working frequency
5. Pulling force ,and return stroke force
6. Pulling and return speed
7. Assembly size
8. Seal ring requirements .For example , brand ,seal material etc .
9. Tube and piston rod raw material requirements
10. Piston rod surface treatment requirements, for example chromating film thickness ,
Surface hardness etc .
11. Painting and other spare parts requirements
Light rail:
Size: 6kg/m, 8kg/m, 12kg/m, 15kg/m, 18kg/m, 22kg/m, 24kg/m, 30kg/m
Material: Q235B 55Q
Rail length are avalilble with 6m,8m,9m,10m
Light rail steel is mainly used for f
Light rail:
Size: 6kg/m, 8kg/m, 12kg/m, 15kg/m, 18kg/m, 22kg/m, 24kg/m, 30kg/m
Material: Q235B 55Q
Rail length are avalilble with 6m,8m,9m,10m
Light rail steel is mainly used for f
Mine Cage Product feature
1. According to rope number, the product includes single rope cage and multi-rope cage.
Single rope cage is used in the mine with the depth less than 400m and multi-
Diameter from 3 mm to 40 mm.
Other sizes are available upon request.
FRP anchor bolt is a new type of products to replace the iron bolt, having the features of no rust,
non-
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