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A pair of mobile conveyors for crushing, screening equipment
The track-mounted Lokotrack CT3.2 and wheel-mounted Lokotrack CW3.2 mobile conveyors are designed for applications that require high stockpile capacity and superior material transfer capabilities, Metso says. The mobile conveyors can handle sand, rock, gravel and other materials with equal efficiency, according to the company. A Caterpillar C2.2 engine powers the Lokotrack CT3.2. A power pack is available as an option for the wheel-mounted CW3.2. Metso says both the CT3.2 and CW3.2 feature a ruggedly constructed frame for years of dependable operation. For extra versatility, options are available to increase efficiency and customize the conveyors to fit specific applications. metso.com Keep Reading
Van der Graaf at 2015 AGG1 Aggregates Academy & Expo
At the 2015 Aggregates Academy & Expo, Van der Graaf showcased its TM500 Series drum motor. Watch as Matt Lepp, sales engineer at Van der Graaf, gives P&Q a rundown of the motor. Keep Reading
Live from AGG1 Aggregates Academy & Expo 2015
The Pit & Quarry staff reports live from AGG1 Academy & Expo in Baltimore, Md., March 17-19, 2015. Stay tuned for industry news, exhibitor listings, Baltimore tourism information and more. Also, enjoy videos and a photo slideshow from the event, as well as information from our annual Hall of Fame induction ceremony. PRE-SHOW/SCHEDULES 2015 AGG1 Aggregates Academy & Expo (2/25/15) NSSGA 2015 Annual Convention (2/25/15) Mobile app offered for AGG1 attendees (2/25/15) Countdown to AGG1 Aggregates Academy & Expo: Record Breaker (3/5/15) AGG1 Academy Schedule NSSGA Convention Schedule NEWS Highway funding, economy take center stage at convention (3/16/15) NSSGA sponsors tour of Bluegrass Materials' Texas Quarry (3/16/15) MSHA's Main speaks at NSSGA convention (3/17/15) W.S. Tyler announces transition to Haver & Boecker name (3/17/15) Stedman promotes 'Expect More' HSI crusher line (3/17/15) Metso introduces HP5 cone crusher (3/17/15) BedRock Software launches cloud-based AggFlow system (3/18/15) 'Gold Rush' star visits with NSSGA's Young Leaders (3/18/15) Industry calls on Congress for long-term highway bill at rally (3/18/15) Lehigh Hanson's Stanczak receives top… Keep Reading
P&Q University: Lesson 14 Quiz Answers
1. An excise tax levied by numerous state governments usually assessed at the same rate as sales tax 2. Corporations can sell their stock, be it common or preferred shares, while S corporations can only issue one class of stock 3. Use wet or chemical dust-suppression systems 4. A documented road map to be followed in the event of the owner, partner or shareholder’s death, disability or retirement 5. Cross-purchase agreements and entity-purchase agreements 6. Family limited partnership and family limited liability company 7. A reverse merger, also known as a reverse takeover (RTO) or reverse IPO 8. IPO deals depend on market conditions, which constantly change Keep Reading
P&Q University: Lesson 13 Quiz Answers
1. Plan, Do, Check, Act 2. The “Do” stage 3. Conduct EMS training with employees 4. Going “green” discusses environmental issues; sustainability discusses cost-effectiveness and longevity 5. People 6. These elements throw off a body’s natural ability to stay alert and focused 7. High-visibility vests, hearing protection and task-appropriate respiratory protection 8. Walk around inspections Keep Reading
P&Q University: Lesson 12 Quiz Answers
1. Stroke – the measure of the total vibrating motion of the vibratory machine 2. Driving horsepower is insufficient for the given load 3. Tire life decreases by five percent 4. The sidewall of a radial tire is separate from the crown, allowing each component to work independently, which enhances performance 5. Air pressure, wear patterns, operation hours, damage, repairs and end-of-life examinations 6. 80 percent 7. Dirt, misassembly and misalignment 8. In clean, dry places with minimum vibration and temperature fluctuation Keep Reading
P&Q University: Lesson 11 Quiz Answers
1. Loadout cycle time 2. Yes 3. Over a pit or above grade on a concrete slab 4. Once a vehicle scale is purchased, it’s almost impossible to change the size of the platform 5. Nominal capacity is the total load that can be weighed on the scale when uniformly distributed over the scale platform 6. Dust, exhaust and noise from haul trucks 7. They allow material to be weighed while it moves 8. Location, site requirements, foundation and instrumentation location Keep Reading
P&Q University: Lesson 10 Quiz Answers
1. 2.25 times more or higher 2. Idlers 3. Carrying and return idlers 4. Conveyor on uneven ground; crooked or bent structure; poor belt splice; uneven loading of material onto the belt; idlers and pulleys not square to the structure; material build-up on the return rollers; and incorrect crown on pulleys 5. It lasts longer and requires less maintenance 6. Telescoping radial stackers 7. Pumps 8. Any place where heavy machinery is involved is a potential source for wayward metal Keep Reading
P&Q University: Lesson 9 Quiz Answers
1. Power shovels, front-end loaders, bucket-wheel excavators or draglines 2. Any material 3/8 in. or smaller 3. There are dwindling natural sand reserves and expenses to extracting natural sand and gravel near urban areas where the material is most needed 4. Scalp excess water from dredged material; reject deleterious material; separate sand particles; and re-blend sand particles to create more than one spec product simultaneously 5. They can minimize settling pond maintenance and reclaim a large percentage of water immediately 6. Water clarifiers and filter presses 7. Tough, plastic-type clays from natural and crushed gravel, stone and ore feeds 8. Material that is #200-mesh and larger Keep Reading