PDQIE Service Vehicles   Industrial - Commercial  PDQ Industrial Electric  Electrical Contractor   Reddy Kilowatt

PDQ Electric Corp

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PDQIE - PDQ Industrial Electric

Automated Conveyor Systems

Design - Installation - Maintenance - Repair


 

INDUSTRY APPLICATIONS

 Aerospace  Agricultural  Airline
 Apparel  Automotive  Beverage
 Bottling  Chemical  Computer
 Distribution  Electronic  Food Handling & Processing
 Health & Personal Care  General Manufacturing  Medical
 Metal Working  Packaging  Paper
 Pharmaceutical  Photo Printing  Recycling

CONVEYOR TYPES

 Accordion Skate Conveyor
 Accumulating Conveyor
 Aero Mechanical Conveyor
 Alpine Conveyor
 Aluminum Frame Conveyor
 Apron Conveyor
 Belt Conveyors
 Bucket Elevator
 Chain Roller Conveyor
 Curve & Turn Conveyor
 Drag Chain Conveyor
 Dustproof Conveyors
 Elevation Change Conveyor
 Flexible Conveyors
 Flight Conveyor
 Gravity Roller Conveyor
 Gravity Skatewheel Conveyor
 Harpoon Conveyors
 Industrial Conveyors
 Lift Gate Conveyors
 Low Profile Conveyor
 Magnetic Conveyor
 Modular Conveyor
 Oscillator Conveyor
 Overhead Conveyor
 Pallet Conveyor
 Pivot Belt Conveyor
 Plastic Chain Conveyor
 Pneumatic Conveyor
 Portable Conveyors
 Quench Conveyors
 Quick Return Conveyors
 Screw Conveyors

AKA

 Flexible Screw Conveyors

 AKA

 Centerless Auger Conveyor

 AKA

 Helix Conveyor

 AKA

 Spiral Conveyor

 AKA

 Shaftless Conveyor

 AKA

 Rigid Screw Conveyor

 AKA

 Auger Conveyor
 Shuttle Conveyor
 Slat Conveyor
 Slatband Conveyor
 Spiral Conveyor
 Stainless Steel Frame Conveyor
 Steel Belt Conveyor
 Tubular Drag Conveyor
 Vacuum Belt Conveyor
 Vertical Conveyors
 Vibrating Conveyor
 Wire Mesh Conveyor
 Z-Frame Conveyor

FLEXIBLE SCREW CONVEYERS

A flexible screw conveyor, also known as a spiral conveyor, screw conveyor, helix conveyor or centerless auger conveyor, consists of a spring steel or stainless steel, flexible screw that is enclosed in a flexible or rigid plastic tube, or a rigid steel tube, and driven by an electric motor normally located at the discharge end of the conveyor. This simple design delivers efficient performance and high reliability while reducing maintenance and cost. When properly engineered according to the specific characteristics of the material being conveyed and the process into which it will be integrated, a flexible screw conveyor can outperform rigid screw conveyors, bucket elevators, drag chain conveyors, aero mechanical conveyors and other equipment intended to transport powder and bulk solid materials.

The intake end of a flexible screw conveyor tube is typically equipped with a charging adapter a U-shaped trough that connects to the outlet of a hopper or directly to the outlet of process equipment such as a bulk bag discharger, bag dump station, grinder, crusher, screener, blender, reactor or storage vessel of any kind.

The flexible screw passes through the charging adapter trough, exposing a section of the screw to material flowing into the trough from above. When rotating, the exposed section of screw feeds material into the outer tube, where it is then propelled through the tube by the enclosed portion of the screw.

A phenomenon resulting from the loose fit of a rotating flexible screw within a tube filled with bulk material, is that the screw automatically self-centers within the tube, providing clearance between the screw and tube wall. This affords sufficient space for particles to flow without damage, depending on the fragility and size of particles being conveyed.

A removable clean-out cap covers the intake end of the conveyor tube, permitting rapid emptying and flushing of the tube, as well as disassembly and wash-down of components.

Because the intake end of the screw requires no bearing, and since the discharge end is coupled to the motor drive above and/or beyond the point at which material exits the discharge spout, material does not come in contact with seals or bearings. The flexible screw is therefore the only moving part contacting material.

MOVE VIRTUALLY ANY BULK MATERIAL

Free-flowing and non-free-flowing materials and blends

Flexible screw conveyors offer efficiency and versatility, conveying bulk materials ranging from large pellets to sub-micron powders—both free-flowing and non-free-flowing—with no separation of blended products.

For moist, sticky, friable or other difficult-to-handle materials that pack, cake, smear, plug or break apart ther are special design flexible screw conveyors.

ONLY ONE MOVING PART

The only part contacting material in a flexible screw conveyor is the rugged flexible screw which is driven by an electric motor. As it rotates, the screw propels material and self-centers within the conveyor tube, providing constant clearance between itself and the tube wall.

This simple design does not require cables, chains, disks, internal bearings, and numerous moving parts found in bucket elevators, rigid augers, drag chains, and/or aeromechanical conveyors—parts that can add initial cost, require maintenance, wear out, breed contamination, and/or break down.

CONVEY IN ANY DIRECTION

Whereas many conveyors (such as rigid screw conveyor, bucket elevator, drag chain conveyor and aero mechanical conveyor designs) have limited angles of incline and/or straight-only conveying paths, Flexible screw conveyors can move material vertically, horizontally, or at any angle—over, under, or around obstructions, through small holes in walls, ceilings and floors.

GENTLE PRODUCT HANDLING AND BLENDING

Flexible screw conveyors can handle your products gently, because the flexible screw self-centers as it rotates. This can provide ample clearance between the screw and tube wall to prevent grinding, crushing, and other product damage.

In addition, the gentle rolling action created by the screw prevents the separation of blends throughout the entire length of the conveyor.