Question 1

What are the key dimensions and capacity of a 2005 PSC Radial Stacking Conveyor?

Accepted Answer

The 2005 PSC Radial Stacking Conveyors feature a 30-inch wide belt running 80 feet in length, designed for medium-capacity aggregate handling operations. At standard belt speeds of approximately 400 feet per minute, a 30-inch wide conveyor can typically handle 300-500 tons per hour depending on material type, bulk density, and loading conditions. The 80-foot length allows for stockpile heights of approximately 18-22 feet when positioned at typical incline angles of 18-20 degrees. The radial undercarriage enables the conveyor to rotate in an arc, creating large conical stockpiles without relocating the equipment.

Question 2

What does 'pit portable' mean and how does it differ from road portable models?

Accepted Answer

Pit portable conveyors are designed for semi-permanent installations at quarries, mines, or aggregate yards where they remain primarily in one location but need occasional repositioning around the site. Unlike road portable models that feature full highway-ready suspension systems and can be towed at road speeds, pit portable units like these PSC radial stacking conveyors are equipped with a 5th wheel pin and basic axle configuration for slow-speed moves within the pit or yard using a tractor or heavy-duty pickup. They're typically assembled on-site and are not engineered for frequent over-the-road transport. This makes them more economical than road portable models while still offering flexibility for site repositioning.

Question 3

What power source does this 2005 PSC Radial Stacking Conveyors use and what are the electrical requirements?

Accepted Answer

2005 PSC Radial Stacking Conveyors operate on electric power, which is standard for pit portable installations where consistent power supply is available. Most industrial radial stackers of this size use three-phase electric motors ranging from 10-20 HP depending on belt length, incline angle, and capacity requirements. Common voltage configurations include 230/460V three-phase power. You'll need to verify the specific motor nameplate specifications and ensure your site has adequate three-phase electrical service with appropriate circuit protection and disconnect switches. Electric drive offers lower operating costs and less maintenance compared to diesel hydraulic alternatives.

Question 4

What is the BeltWay scale feature and how does it benefit operations?

Accepted Answer

The BeltWay scale is an integrated belt scale system that continuously weighs material as it moves along the PSC radial stacking conveyor, providing real-time tonnage data. This allows operators to monitor production rates, track cumulative tonnage, and ensure consistent loading of stockpiles. Belt scales use load cells positioned under the conveyor belt at a specific measurement zone to calculate material weight based on belt speed and load. This feature is particularly valuable for billing purposes, inventory management, production reporting, and optimizing plant throughput. It eliminates the need for truck scales or estimation methods, providing accurate continuous measurement.

Question 5

How does the PSC Radial Stacking Conveyor rotation system work and what's a typical rotation range?

Accepted Answer

The radial undercarriage allows the entire PSC radial stacking conveyor to pivot on a central point, creating a sweeping arc for stockpiling. Most radial stackers can rotate approximately 270-300 degrees, allowing you to build large pie-shaped stockpiles without moving the base position. The rotation is typically controlled manually by releasing a locking mechanism and using a tractor or the conveyor's own motorized rotation system if equipped. The radial design significantly increases stockpile capacity compared to fixed conveyors – a 30×80 unit can create stockpiles covering several thousand square feet. This reduces downtime for equipment repositioning and allows uninterrupted production during rotation.

Question 6

What materials can this PSC radial stacking conveyor handle effectively?

Accepted Answer

PSC Radial Stacking Conveyor are well-suited for handling a wide range of aggregate materials including crushed stone, gravel, sand, topsoil, mulch, recycled concrete, asphalt millings, coal, and similar bulk materials. The standard rubber belting can handle materials with moderate abrasiveness and impact. Materials should be free of oversized lumps that exceed recommended maximum sizes, typically 6-8 inches for a 30-inch belt. The conveyor performs best with materials having good flowability and bulk densities between 80-120 pounds per cubic foot. For highly abrasive materials like crushed slag or sharp aggregates, upgrading to heavier-duty belting or adding chevron cleats may extend belt life.

Question 7

What types of operations are best suited for this pit portable configuration?

Accepted Answer

PSC Radial Stacking Conveyors excels in stationary or semi-permanent aggregate production facilities including sand and gravel pits, stone quarries, concrete batch plants, asphalt plants, recycling yards, and material stockpiling operations. The pit portable design is ideal for operations that have dedicated stockpile areas and don't frequently move equipment between different job sites. It is particularly effective as a loading station under screens, crushers, or wash plants where material needs to be conveyed and stockpiled efficiently. The 80-foot length and radial capability make it well-matched for medium to large production yards producing 200-400 tons per hour.

Question 8

Can PSC Radial Stacking Conveyors work as part of a crushing or screening plant setup?

Accepted Answer

Yes, PSC radial stacking conveyors are commonly integrated into crushing and screening circuits as the final stockpiling stage. This unit can receive material from the discharge of portable crushers, screening plants, or wash systems via transfer conveyors or drop chutes. The receiving hopper (if equipped) provides a buffer zone for incoming material. The BeltWay scale feature is particularly valuable in plant settings for monitoring production throughput. Position the tail section under your plant's discharge conveyor and use the radial function to create segregated stockpiles of different product sizes. Ensure the conveyor capacity matches or exceeds your plant's production rate to prevent bottlenecks.

Question 9

What are the limitations of an 80-foot length for stockpile capacity?

Accepted Answer

An 80-foot conveyor at approximately 18-20 degrees incline will create stockpiles roughly 18-22 feet high with a radial sweep covering 10,000-15,000 square feet depending on material angle of repose. This translates to roughly 2,000-3,500 cubic yards of stockpile capacity per location before rotation is needed. While adequate for many operations, larger sites with high production rates may need longer conveyors (100-125 feet) for greater reach and higher stockpiles. The 80-foot length offers a good balance between portability, capacity, and cost. It's sufficiently mobile for site repositioning while providing meaningful stockpile capacity for medium-scale operations.

Question 10

What are the critical daily and weekly maintenance requirements for the 2005 PSC Radial Stacking Conveyors?

Accepted Answer

Daily maintenance should include visual inspection of the belt for cuts, tears, or excessive wear, checking belt tracking and alignment, inspecting idler rollers for proper rotation, and removing any material buildup on return rollers and pulleys. Check belt tension and look for any unusual noises or vibrations during operation. Weekly tasks include lubricating all bearing points according to manufacturer specifications, inspecting drive chain or belt condition and tension, checking electrical connections and controls, and cleaning accumulated material from the structure and under the belt return path. The loading zone where material impacts the belt receives the most wear and requires frequent inspection.

Question 11

How long does conveyor belting typically last and what factors affect belt life?

Accepted Answer

Belt life varies significantly based on material abrasiveness, loading conditions, maintenance practices, and operating hours. With proper maintenance, standard 2-ply or 3-ply rubber belting can last 15,000-30,000 operating hours (approximately 3-7 years) in moderate aggregate applications. Highly abrasive materials like crushed granite or sharp slag can reduce this to 8,000-15,000 hours. Key factors affecting belt life include proper belt tracking, adequate belt tension, material impact at loading point, belt cleanliness, and environmental exposure. Regular inspection of cover thickness and replacing the belt before complete failure prevents collateral damage to rollers and structure. Budget approximately $3,000-$5,000 for replacement belting on a 30×80 conveyor.

Question 12

What are common wear components that need periodic replacement on the 2005 PSC Radial Stacking Conveyor?

Accepted Answer

Beyond the conveyor belt itself, primary wear components include idler rollers (both carrying and return), bearing assemblies, drive pulleys, belt scrapers, tail pulley lagging, and electrical components like motor brushes and contactors. Idler bearings typically need replacement every 20,000-40,000 hours depending on material conditions. Belt scrapers should be inspected monthly and replaced when blade edges become worn or damaged. Drive pulley lagging protects the pulley surface and provides belt grip – replace when grooves become excessively worn. The BeltWay scale load cells and electronics require calibration annually but are generally reliable. Keep spare idlers, bearings, belt fasteners, and scrapers on hand for quick repairs.

Question 13

What equipment is needed to move and position this pit portable conveyor?

Accepted Answer

Moving a pit portable conveyor requires a heavy-duty tractor with sufficient towing capacity (typically a 150-200 HP agricultural or industrial tractor) or a semi-truck for longer moves. The 5th wheel pin configuration allows coupling to standard pintle hitches or gooseneck trailers. For positioning at the work site, you'll need a large excavator (30,000+ lbs) or wheel loader to lift and stabilize the conveyor during setup. Some operations use a combination of tractor for towing and excavator for positioning. Move speeds should be kept slow – typically 5-10 mph maximum – as these units aren't designed for highway speeds. Ensure adequate ground conditions to support the weight during moves.

Question 14

How long does typical setup take and what's involved in the installation process?

Accepted Answer

Initial installation at a new site typically takes 4-8 hours with a competent crew of 2-3 people. This includes unloading or towing the conveyor to position, leveling and supporting the undercarriage, connecting electrical power, installing or connecting the receiving hopper if applicable, checking belt tracking and tension, and conducting operational testing. For subsequent repositioning within the pit, setup time reduces to 1-2 hours. Critical steps include ensuring level ground support under the radial pivot point, proper electrical grounding, and adjusting belt tracking before full-load operation. Allow additional time for your electrician to verify proper power supply, install disconnect switches, and ensure all safety guards are in place per OSHA requirements.

Question 15

Are there material moisture or temperature limitations applicable to a 2005 PSC radial stacking conveyor?

Accepted Answer

Standard rubber conveyor belting works best with materials at ambient temperatures (approximately 32-120°F) and can handle moderate moisture content. Excessive moisture can cause material to stick to the belt, leading to carryback issues and requiring more frequent cleaning of return rollers. Frozen or clumped material should be broken up before loading. Hot materials exceeding 150°F (such as hot asphalt or fresh slag) require specialized heat-resistant belting which may not be installed on this standard unit. Very dry, dusty materials may require dust suppression systems to comply with air quality regulations. The electrical components should be protected from direct water exposure, though industrial motors and controls are typically weather-resistant. In cold climates, belt stiffness in freezing temperatures may affect startup – allow the belt to warm up before full-load operation.

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