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High strength coal mine roof bolt expansion shell rolling forming machine
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High strength coal mine roof bolt expansion shell rolling forming machine

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Rocky bolt rolling forming machine could be used to make the rocky bolt in batch and fully automatically; A rock bolt , is also called the roof bolt, it is a long anchor bolt, for stabilizing rock excavations, which may be used in tunnels or rock cuts. It transfers load from the unstable exterior to the confined (and much stronger) interior of the rock mass. There are many type, here I will take a random pipe type for example:
High strength coal mine roof bolt expansion shell rolling forming machine_a random pipe
And for the material thickness and pipe diameter range, we could make accoding to the custtomer requirments. And for the accessory, we could also make for you.
Here are some pictures for your reference:
High strength coal mine roof bolt expansion shell rolling forming machine_finished products

Based on the demand of customer, we made the machine for your reference.

High strength coal mine roof bolt expansion shell rolling forming machine
The bolt machine parameters for your reference:
Roll forming machine
Size: 4500х1800х1400
Weight t: 5 tons
Voltage:380V/50HZ3Phase(as customer’s request)
Roller fixer : Vertical arch
Frame : middle plate welded
Memorial arch frame type
Frame thickness:25mm
Drive mode: Differential box
Material of rollers: GCr12MoV
Material of shafts: 45# steel with tempering
Diameter of shafts: φ70mm
Number of rollers : 11 rollers (5 Level, 6 Vertical)
Main power: 15kw
Cycloidal planetary gear speed reducer)
Speed: 20m/min
Shearing system
Material of blades: Gcr12MoV quenched
Power supply : hydraulic power
Frame : Pillar style with rack & pinion system
Stroke switch : non-contact photoelectric switch
Components: It contains one set of cutting tools, one hydraulic tank and one cutter machine.
Feartures of High strength coal mine roof bolt expansion shell rolling forming machine:
1.As the material thickness of bolt reaches
4.0mm, we use the gear box as transmission method.
2.As the machine need accuracy, we can make sure 100%.
3.For cutting edge, we can make online.
4.Working speed could reach 25m/min.
5.Fully automatic production line from decoiler to runut table.
For the bolt pad making, we could use this type machine:
High strength coal mine roof bolt expansion shell rolling forming machine_bolt pad making
For this machine, if you want to know more information, please contact us at any time.

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