Structural Steel Connections, Joints Details
– b = tensile strength of the bolt material (120 ksi for A325 bolts; 150 si for A490 bolts) – =gross cross‐sectional area acrossthe unthreadedshank of Fu Ab the bolt BMA Engineering, Inc. – 6000 47 LRFD – Fasteners Design bearing strength 1.
PDF Pocket Guide to Tightening Technique
Bolt material Nut material Dry Lightly oiled Untreated Untreated 0.18-0.35 0.14-0.26 Phosphorous coated Untreated 0.25-0.40 0.17-0.30 Electro Zinc plated Untreated 0.11-0.36 0.11-0.20 Phosphorous coated Phosphorous coated 0.13-0.24 0.11-0.17 Electro Zinc plated Electro Zinc plated 0.18-0.42 0.13-0.22
MICROWAVE HOOD COMBINATION INSTALLATION
not swing open while the microwave oven is being handled. NOTE: To avoid damage to the microwave oven, do not grip or use the door or door handle while the microwave oven is being handled. Rotate Blower Motor. The microwave oven is set for recirculation installation. For wall or roof venting, changes must be made to the venting system. NOTE:
Injury resulting in death involving a mobile bolter at the
the roadway. Rib bolting may also be carried out while roof bolting is underway. The Mobile Bolter is designed to be operated by two persons with the roof and rib bolters being operated by only one person. The Sandvik Mobile Bolter is a walk‐through design, allowing operators
PDF Installing Seismic Restraints for Mechanical Equipment
systems, cable or strut suspension systems, roof attachment systems, and steel shapes. Please note that this guide does not replace: • Printed instructions shipped with the equipment. • Instructions in contract drawings/specifications. • Code-required, industry-accepted practices. • Orders from your supervisor.
eTool : Scaffolding - Supported Scaffolds
Crawling boards must extend from the roof peak to the eaves when used in roof construction, repair, or maintenance. [29 CFR 1926.452(m)(1)] Crawling boards must be secured to the roof by [29 CFR 1926.452(m)(2)]: Ridge hooks; Or by means that provide equivalent strength and durability. Non-mandatory Requirements:
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Agreed undertaking - review of mobile roof bolting machines
20131127 HMS Centennial Sandvik NSW Mining Workplace Agreed Undertaking ... with the installation of roof bolts in underground coal mines.
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INSTALLING SEISMIC RESTRAINTS FOR MECHANICAL
systems, cable or strut suspension systems, roof attachment systems, and steel shapes. Please note that this guide does not replace: • Printed instructions shipped with the equipment. • Instructions in contract drawings/specifications. • Code-required, industry-accepted practices. • Orders from your supervisor.
sandvik sand making machine recambios | Sinco
arena sandvik fabricación de piezas de repuesto. ... sandvik sand making machine recambios ... 485.0251-001, ROOF SWING BOLT *I-NOTE*, VSI.
Pocket Guide to Tightening Technique
Bolt material Nut material Dry Lightly oiled Untreated Untreated 0.18-0.35 0.14-0.26 Phosphorous coated Untreated 0.25-0.40 0.17-0.30 Electro Zinc plated Untreated 0.11-0.36 0.11-0.20 Phosphorous coated Phosphorous coated 0.13-0.24 0.11-0.17 Electro Zinc plated Electro Zinc plated 0.18-0.42 0.13-0.22
Amazon.com: Customer reviews: TMS J-Bar Rack HD Kayak
3. Before you begin to put the bolts in place, you have to fit the large metal plate (part#4) snugly against the bottom of the rubber part#3. NOTE: the metal plate has an indentation on the bottom and a raised ridge on the top. Make sure the plate has the top ridged surface fitting into the bottom of the rubber part#3. 4. OK, now for the bolting.
What are Rock Bolts?
Rock bolts were a game changer for safety in the mining and excavation industries. These long trusted anchors have undergone continual advancements, are simple to install, cost effective, and work well to keep rock in place and people and equipment safe.
of Bristol Bay, Alaska
were aluminum colored, with green roofs, and Nakeen had gray colored buildings.1 The Bristol ... set foot on land but he did note the prodigious salmon runs.
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Mint Climbing Frame with 3 Swings, 2 Slides & a Cafe
The Mint climbing frame features two long straight slides that exit from the front of the upper deck, which is 1.2 metres (4ft) high from ground level. High side rails mean children have secure hand grips to help them sit down onto (or climb up) the slides, and ensure they are retained all the way down. Beautifully smooth from the front, we use ...
Ceilings Archives
How to Hang a Porch Swing Quick Column Summary: Want to hang porch swing without thru bolts What size eyelet lag bolt Not safe to use single eyelet bolts Hang from a created, steel bar Sean Kelliher, who lives in Readington, NJ, reached out with a compliment and a question.
Wireless Networks enabling Autonomous Vehicles for
Chapter 1: Cisco IoT Underground Mining Solution for Sandvik ... Note: The referenced and validated Mobile Mark Antenna is just one of the ...
Homemade Roof Rack With Accessories : 23 Steps (with
Step 3: Expose the Bolt Holes. These four aluminum blocks will be the base points of the rack. To attach the blocks to the roof, I removed the plastic clips that cover the bolt holes on the roof. By trial and error, I determined that the bolt holes take a metric size 6 bolt. Ask Question.
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The steel in Sandvik GT60 rods is produced in one of the world's most advanced continuous casting plants. Almost 90 years of experience of rolling hollow bar steel have made Sandvik unique in being able to produce steel with close tolerances and excellent material properties. 2. The Sandvik GT60 system includes Sandvik button bits that comply
Rock support drill rigs
Sandvik DS512i is a bolter for 5m x 5m size heading s combining a safe, ergonomic working environment with high levels of performance. Equipped with a completely new carrier, high frequency rock drill, the control system and an ergonomic cabin, the DS512i offers high levels of safety and efficiency providing peace of mind for all rock reinforcement operations.
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Underground Mining Wheels
Sandvik TS490 underground forklift. A new solid Eimco 936 Trailer Wheel manufactured by Big Tyre alongside one of our wheels, still in working order after more than 6 years of service. Our current record for a returned wheel is 9 years 10 months. The original accompanying wheel is …
Video Assisted Assembly - Next Generation Climbing Frames
Roof Ends Continued. Measure the overhang at 4-7/8” (124 mm) then attach with 2 (S11) Wood Screws and 1 (S3) Wood Screw per (2759) Roof End. Tighten the bolts. Attach roof ends to each corner of the swing wall, flush to the top with the 4-7/8” (124 mm) overhang attaching with two wood screw (S11) and one (S3) per roof end.
Sandvik underground flame proofed drilling and bolting
FLAMEPROOF MOBILE BOLTERS PLATFORM SERIES 4/e HEAD 84 FLAMEPROOF MOBILE BOLTERS TWIN BOOM SERIES 86 FLAMEPROOF ROOF BOLTERS LONGWALL FACE BOLTER 87 NOTE!
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Frequently Asked Questions
If I am trying to reduce my fines in a limestone quarry, should I use a Jaw Crusher instead of a Primary Impactor?
While it is true the Jaw Crusher will create less fines (say, minus 3/16”), it also creates more plus 1-1/2” material to be crushed downstream at the secondary and tertiary stages. Regardless of the type of crushers used downstream, the amount of fines generated in those closed circuit operations will actually be greater than any increase caused by a primary impactor.
How do the power consumption figures compare between Primary Impactors like the MaxCap and the VersaCap?
Since one employs an expansion chamber over the rotor and the other doesn’t, the MaxCap will perform at ½ hp per ton, while the VersaCap averages ¾ hp per ton. Electric motors will only draw as much power as the crusher needs. However, the theoretical difference in a 500,000-ton quarry or mine is about 90,000 kW/hours. That reflects only the primary crusher, not the added power it takes downstream to also recirculate 30% more rock through the secondary circuit.
Why do I see so many Impact Crushers in concrete recycling when the material is 100% abrasive?
Unlike sedimentary stone, e.g. limestone or sandstone, weathered concrete is very soft and friable. Most concrete pavement is less than 1,500 psi and pre-broken into slabs 2’ to 3’ square. Due to the friability, they shatter quickly into particles 3” and smaller on the initial pass through the impactor. The hammer wear life tends to be far shorter due to the abrasion, but recirculating loads are minimal for base material. In the case of a mobile contractor, single crusher systems are far more economical when relocating on a regular basis.
What is the main difference between the VersaCap P-Series and the R-series? Are they both primary impactors?
Yes, they are both primary impactors. In fact, the only real difference is the rotor assembly. The VersaCap P-Series is a primary impactor that accepts 30” boulders in quarried stone, and generates a nominal 6” minus. The VersaCap R-Series uses the same housing, but the rotor is designed specifically for large, highly-friable materials like concrete rubble. In the case of recycling concrete, the R-Series rotor is lighter in weight for portability, and the hammers are thinner, reducing the cost of spent hammers.
Under what circumstances should I consider automation for adjusting an Impactor?
The MaxCap Primary Impactor comes standard with fingertip control. While not fully automated, it is designed to integrate into any programmable logic controller based system. As for the other impactors, the vast majority of operations will be fine with a simple shim adjustment, which requires no automation. However, the semi-automatic system on the VersaCap and NGS Impactors essentially requires only an electrical control over the hydraulic system, which would be running during operation. Once you find the right setting, and plan to stay consistent, you can add shims, and shut off the hydraulic power unit. If you are anticipating the need to change settings on a regular basis, the full automation system with PLC and touch screen is available and capable of being integrated.