's Rock Reinforcement Center in Austria brings together the skills necessary for the develop-ment of superior rock reinforcement products to serve the tunnelling, mining and construction industries worldwide. The combined product portfolio includes Swellex rock bolts and MAI SDA anchors with all necessary accessories.
Choosing a Rock Drill. First – it is important to understand that a percussion rock drill does not cut through rock. Each blow shatters the rock in front of the bit - the steel and bit then rotates slightly and it shatters new rock while air is blown down the center of the drill steel clearing the bit face and blowing the chips up and out of the hole.
The original MacLean ground support paradigm shift. The MacLean Advantage: The MacLean Series 900 Bolters, the 928 (eight foot-wide deck) and the 946 (seven foot-wide deck) provide a complete ground support system for underground hard rock mines.
Laboratory pull-out tests on fully grouted rock bolts and cable bolts: Results and lessons learned. ... a rock bolt or cable bolt consists of a bar inserted in a borehole that is drilled into a soil or rock mass and anchored to ... The biaxial cell is used to apply a lateral confining pressure to the rock sample. Hydraulic …
5 Hydraulic Thumb Kit. 6 Buckets. 7 Trenching Buckets. 8 Tilt Buckets. 9 Severe Duty Rock Buckets. 10 Augers. 11 Auger Bits. 12 Hydraulic Tampers. 13 Hydraulic Breakers. 14 Hydraulic Breaker Bits. 15 Mulching Heads. 16 Tree Shears. 17 Bolt-on Track Pads. 19 Wheel Loader Coupler Descriptions. 20 Couplers. 21 Buckets. 22 Forks. 23 Specialty ...
The electro-hydraulic DS311 is the most compact mechanized rock bolter on the market, with the best ratio in rock bolt length and drift height. The machine is operated by one man, and used for rock reinforcement in underground mines with small and medium cross sections.
Rock and concrete put up considerable resistance to forces applied externally. As a result, conventional demolition methods such as hydraulic chisels or crushers are unable to demolish these materials with any worthwhile degree of control or precision.
a rock bolt or its anchor. 12.1.1 Fit the socket of the torque wrench to the rock bolt head or nut to be tested. 12.1.2 Apply a preset torque to the rock bolt or its anchor, increasing the torque in small increments until just sufficient to cause the face nut to rotate. Record the torque wrench reading, the date of test, and the rock
DS311 is a highly versatile and compact electro-hydraulic rock bolter designed for rock reinforcement in underground mines with small and medium cross sections. Need to know more? Request a quote Find an office. Downloads. ds311-specification …
Hydraulic breaker parts such as chisels/moil points/blunt tools, seal kits & diaphragms for almost all kinds of hydraulic breakers/hammers. Breker/hammer pistons, cylinder bushes, side bolt, through bolt, front cover & accumulator etc. 1.Rock Breaker Through Bolt/Side Bolt/Tie Rod/short bolt/long bolt:
DS311 is the most compact mechanized rock bolter on the market. Its unique rock bolting concept delivers the best ratio of rock bolt length to drift height. DS311 is a one-man-operated electro-hydraulic rock bolter for rock reinforcement in underground mines with small and medium cross sections. The operator
The design of the RBI Hydraulic Breakers produces stable high-speed percussion, and exceptional value and durability for all construction, demolition, and rock breaking requirements. RBI Hydraulic Breakers use sophisticated technology to produce a simple design. With only two internal moving parts, this line of
China Hydraulic Rock Breaker Side Bolt, Though Bolt, Chisel, Bush, Piston, Find details about China Hydraulic Rock Breaker Side Bolt, Hydraulic Rock Breaker Though Bolt from Hydraulic Rock Breaker Side Bolt, Though Bolt, Chisel, Bush, Piston - Yantai Chengtai Construction Machinery Co., Ltd.
Williams Form Engineering Corporation's Spin-Lock Rock Anchor System Installation Equipment such as grout pumps, hydraulic jacks and torque wrenches.
Apr 12, 2016· Greg German demonstrates spinning and a hydraulic puller tool at the Future of Fixed Anchors II Conference in Red Rocks on April 2, 2016 by removing a wedge bolt. The purpose of this technique is ...
The MacLean MDA Excavator Rock Drills are a valuable addition to your fleet. From quarrying operations, to secondary breaking, to construction drilling, the MDA Excavator Rock Drill can do it all. Mounted on a Mini-Excavator or Tractor Loader Backhoe, the MDA drill is a value-based unit.
The Rock Bolt Cutter connects to any hydraulic power pack with a minimum 4000psi working pressure. Designed for two person operation, the cutter features quick release safety couplers and optional hydraulic foot pump operation for added safety. Traditionally, the task of cutting rock bolt and thread bar bolts has been a challenging exercise ...
The Brandt Rock Bolter is designed for underground mining environments prone to heaving and rock fall, such as potash and soft rock mines. Drilling and installing bolts in the walls and roof of the mine stabilizes the rock and increases mine safety.
The Boltec M is a fully mechanized bolting rig optimized for medium sized tunnel profiles from 4m x 4m up to a maximum boom reach height of 9m. Smaller bolt hole diameters are required for rock bolting. The COP 1132 (11kW)and optional COP 1435 (14kW) rock …
Alibaba.com offers 84 hydraulic roof bolter products. About 91% of these are mine drilling rig, 4% are mining machinery parts, and 3% are other mining machines. A wide variety of hydraulic roof bolter options are available to you, such as core drilling rig, rotary drilling rig.
UB-302 Hydr. U-Bolt Bender Bending Ø1″ threaded rod. Our model UB302 is the most popular u bolt bender in North America. With many years of experience behind the making of this machine, it has become the industry standard.
If your cutting edge is thicker than 1/2", this tooth bar will not fit. If you have a thicker cutting edge, check out our Bolt-On Tooth Bar for 3/4" Cutting Edges. If you already have an extra bolt-on cutting edge, you will need our Extended Bolt-On Tooth Bar which is designed for this purpose.