Underground Mining Roof Support Expansion Shell
  • Underground Mining Roof Support Expansion Shell - 0 Underground Mining Roof Support Expansion Shell - 0
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Underground Mining Roof Support Expansion Shell

As the professional manufacture, we would like to provide you Underground Mining Roof Support Expansion Shell. And we will offer you the best after-sale service and timely delivery. Underground Mining Roof Support Expansion Shell is designed to be used for roof and ribs support in mine working areas as an independent or auxiliary roof support system. Expansion shell bolts are easy to handle, while they are implemented fast. In the case of expanding anchors the anchor foot is braced against the borehole wall with wedge-shaped spreading elements.

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Product Description

As the professional manufacture, we would like to provide you Underground Mining Roof Support Expansion Shell. And we will offer you the best after-sale service and timely delivery. In addition to the use of chemical anchoring material to obtain the pre-stressing of rock bolt, the mechanical expansion shell with easier installation and high performance of anchor loading is also one of the bolting solutions on site. In particular, if water mergers after bore holing of rock bolt, an expansion shell can be attached onto a full-threaded rock bolt, which is then placed at the required depth of borehole and rotated by a drill machine or hand-held hammer in order to obtain immediate loading capacity for anchoring.

Bore Hole Diameter

35-38mm

Thread bar Diameter

15mm

Length

85mm

Weight

0.21kg

Maximum Load

190kN

Production Process

Machining Workshop

We have full set line of machining facilities, various CNC equipment and Machining Center can meet customers’ requirements. After machining, the casting parts will be completed. Then, they will be inspected and packed for delivery and shipment.

Quality Control

Checking the raw material after they reach our factory------- Incoming quality control

Checking the details before the production line operated

Have full inspection and routing inspection during mass production---In process quality control

Checking the goods after they are finished---- Final quality control

Checking the goods after they are finished-----Outgoing quality control

Packing and Delivery

Packaging of Underground Mining Roof Support Expansion Shell can be customized based on customer requirements to meet the different needs, such as plastic bag, carton box,  wooden case, crate, etc.



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