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LIFTING - Caldwell Main Catalogue

Section C 

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Load Rotation Equipment

POSI-TURNER®

Chassis Master™

Posi-Gantri™

Sling Styles & Options

Application Evaluation

Application Examples

 

Independent Drive

Standard Posi-Turner®

 
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The Caldwell Group has been manufacturing lifting equipment since 1954. It is our goal to manufacture high quality, long lasting lifting products that will safely increase productivity and reduce operating costs.

The Posi-Turner® is designed for...
Safety & Ergonomics

• Provides safer working conditions by positioning the work piece at a distance.
• Eliminates tipping or dropping work pieces and the shock load to the crane associated with using two cranes to roll over a heavy object.
• Allows you to stop or start rotations at any point.
• Makes it easier to position a work piece.
• Provides ergonomic benefits to employees performing production and assembly work.
• Meets or exceeds industry standards, including ASME B30.20, ASME BTH-1, AWS D1.1 and ANSI/NFPA 70.


Efficiency
• Lifts, levels and rotates objects without re-rigging.
• Improves production process efficiency, by keeping an assembly line moving.
• Makes rotation, positioning and precision work easier.
• Requires only one operator for system rotation.
• Saves production time and labour time.


Damage-Free Product Quality
• Eliminates product slipping and dropping.
• Reduces product damage.

Caldwell Service
We provide everything from inspections and training to repairs and rebuilds. We offer solutions that will increase the productivity and effectiveness of your lifter, while ensuring the safety, reliability, and compliance of your equipment. We offer training and maintenance consultation for your new or existing lifter; on-site and factory inspection of your current lifter; repairs and modernizations of your lifting equipment. See pages 6-7 in the front of this catalogue for more details.

Quality & Engineering

DISCLAIMER:
All product designs are subject to change without notice. Products pictures here are a representation of a specific design. The product you purchase will be designed for your specific application and may not look exactly as pictured.

 
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If you’re looking to make your material handling processes more ergonomically efficient, safe, and with less product damage, you’re in the right place. The Posi-Turner® is used by companies around the world to lift, suspend, rotate, and position hard-to-handle objects.


First developed in 1972, the Posi-Turner® was the world’s first powered sling material handling system. Today, the industrial applications for the Posi-Turner® are practically unlimited.


The Posi-Turner® is a patented, ergonomically designed material handling system for the lifting, suspension, rotation and positioning of objects in light to heavy duty applications. With only one operator using a hand-held pendant or wireless remote control, the Posi-Turner® can lift in excess of 150 tons and handle virtually anything, including odd-shaped objects. Heavy duty slings, powered by a powerful roller drum or independent drive system, make it easier to work with hard-to-handle materials - safely, efficiently, and with no damage to the work piece.
 

When you request a Posi-Turner®, we will select a drive and leveler system to create the best solution for you material handling requirements. We have standard Posi-Turner® models that will accommodate a wide range of applications. We can also design a Posi-Turner® system for your specific application, giving you the best solution available.


In this section...
• You’ll find information about Posi-Turner® features, applications, and options.
• You can read about how other companies are using the Posi-Turner®.
• View and fill out the application evaluation form that will get us started on the Posi-Turner® solution you need.

Introduction to The Posi-Turner®

Solutions are designed to meet your specific requirements

 
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Model Information

Breakdown of Model Number

 
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The core feature of the Posi-Turner® is the smooth and controlled rotation. The Posi-Turner® suspends and rotates objects 360 degrees or more with controlled rotation. This series of photos, featuring a twin bail unit, shows how rotation with the Posi-Turner® is efficient and damage free.

Standard Posi-Turner®

Standard - Fixed Bail

• Fixed Posi-Turner® will rotate load during lift.
• Custom sizes are available.
• Push button pendent control standard
• Complies with ASME standards.


See page C.18 for complete list of
product options.

 
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Standard Posi-Turner®

Standard - Fixed Bail

 
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An optional feature to the Posi-Turner®, the “Leveler” adjusts the center-of-gravity under the hook to balance the load with a push of a button. These photos display the benefit of levelling uneven loads in mid-air to save time and promote a safer work environment.

Standard Posi-Turner®

Standard - Leveler Bail

• Leveler Posi-Turner® will rotate load and adjusts to the center of gravity during lift.
• Custom sizes are available.
• Push button pendent control standard
• Standard bail adjustment 6" each side of center, with optional 12" adjustment each side of center available.
• Complies with ASME standards.


See page C.18 for complete list of
product options.

 

Coil Handling

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Standard Posi-Turner®

Standard - Leveler Bail

 
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Standard Posi-Turner®

Auto-Leveler™
This innovative, patent pending solution is an easy way to keep your load level during rotation.

PRODUCT FEATURES:
• Control system senses when a load is out of level.
• Automatically activates leveling adjustment on lifter to level the load.
• Efficient leveling during load rotation.
• Reduces sling walk.
• Operator can focus on rotation and operating the crane.
• Auto-leveling can be turned off for manual use if desired.
• Can be easily added to existing units.
• Special applications can be provided.Optional

Optional Auto-Leveler™ can be added to new Posi-Turner® Leveler Bail units, Posi-Leveler™ models at the time of the order or be field mounted to existing units. Ask your customer service representative how today!

 
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Load slings are slack. Leveler bail is centered. Auto-Leveler™ switch is engaged.

Standard Posi-Turner®

Auto-Leveler™ How it works

As the crane hook is raised up, it is clear the load is off-center. The Auto-Leveler™ activates and begins to move the bail as
needed, allowing the operator to focus on running the crane.

Manual / Automatic switch and direction indicator
lights on outside of Auto-Leveler™ control box.

The indicator light notifies the operator the Posi-Turner®
Auto-Leveler™ has engaged and which direction the bail is adjusting to accommodate for the load center of gravity
location.

The Auto-Leveler™ continues to adjust the lifter bail as
needed to find the center of gravity. Notice the flag on the
bail and its position in relation to the Posi-Turner® decal.

 

 

 


Once the Auto-Leveler™ sensor indicates a level lift, the
Auto-Leveler™ de-activates and the operator can continue
to move, rotate and position the load as needed.


When the load is set down after rotation, the Auto-Leveler™
will move the bail back to center.

 
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Consists of two powered drive units suspended from two cranes/hoists, with pocketed sheave driving special coil link chain slings that rotate large heavy, bulky items for assembly, welding positioning, and inspection. Drive units can either be operated independently or together, through an operator pendant(s), or remote control.

Independent Drive

Independent Drive System

 
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To learn how an Independent Drive System can save you time and money, contact us with your application requirements.

Independent Drive

PRODUCT FEATURES:
• Two powered drive units for precise control.
• Chain slings have disconnect hardware allowing them to be positioned underneath the load.
• Over travel limit switches prevent chain disconnect hardware from running over chain sprocket.
• Standard models include operator pendant on each unit for independent operation, optional remote control allows for simultaneous operation.

 
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The ideal system for inverting truck/bus chassis after suspension installation. Custom designed fixtures clamp to chassis “C-Rails” and contain center of gravity within the turning radius, thus creating a smooth transition. Independent drives allow fixtures to be position to the desired location on the chassis.

Chassis Master™

Chassis Master™

 
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To learn how a Chassis Master™ can save you time and money, contact us with your application requirement and chassis information.

Standard Posi-Turner®

 
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Material handling system suspends and rotates objects 360 degrees or more with controlled rotation.
The Posi-Gantri™ is a versatile tool used to turn loads in areas where using an overhead crane is not feasible. The Posi-Gantri™ can span a workbench or area where loads need to be turned during fabrication, assembly, or maintenance. The optional chain hoist can be used to place the load into the rotation slings, or a fork lift can perform this function when bringing the load to the area. Posi-Gantri™ heights can be fixed or adjustable and equipped with or without casters. Rotation slings can be polyester or wire mesh. Specials can be designed to fit your specific requirements.

Posi-Gantri™

Posi-Gantri™

PRODUCT FEATURES:
• Complete material handling system.
• Heavy duty non-slip drum surface.
• Heavy duty worm gear reducer with chain and
sprocket final drive.
• Electric brake motor.
• Bolted assembly to head beam.
• Push button pendant control.
• Posi-Gantri™ can be ordered either with fixed or adjustable heights. Please refer to our Krane-King® section for additional gantry crane information.
• Can also be added to existing gantry cranes, please contact us for details.

 
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Posi-Gantri™ - Application Evaluation

For a price quote on your specific application, please complete the above application form and fax this along with a photo, sketch, or drawing of the product being rotated to​ contact us

 
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The Posi-Turner® can utilize several types and configurations of slings to suit every application. Certain parameters should be considered in the sling type selection such as: heat, sharp edges, welding applications, environment, etc. In most cases, a disconnect link is used so that one end of the sling can be inserted under a load.

Posi-Turner® Sling Styles

Sling Styles

Polyester Slings with PVC Protective Surface 

Rubber Belt Lagged Drum for
use with Metal Mesh Slings

Sling Links & Cover

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Posi-Turner® Application Evaluation

For a price quote on your specific application, please complete the above application form and fax this along with a photo, sketch, or drawing of the product being rotated to​ contact us

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The industrial applications for the Posi-Turner® are nearly unlimited. With a powerful roller drum system and the optional “Leveler”, combined with heavy duty slings, the Posi-Turner® gently rotates virtually any object - even those weighing more than 100 tons. Designed to improve production capabilities for a variety of industries, a rotated object can be stopped or started in any desired position.

Posi-Turner® Applications

Industry/Usage Cross Reference

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Assembly Line.

Use to rotate product during line processes to allow components to be added at various stages along the line.

Posi-Turner® Applications

PRODUCT HANDLED:
Drive components are rotated during assembly to aid in component installation.

PRODUCT HANDLED:
Truck chassis are rotated after the drive components have
been installed on the bottom.

 
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Fabrication & Assembly

Rotates bulky and hard to handle objects during welding and other assembly processes.

Posi-Turner® Applications

PRODUCT HANDLED:
Nose and ski landing assemblies for polar expedition airplanes up to 21’ long and 2,200 pounds.

PRODUCT HANDLED:
• Hydraulic crane components.
• Boom sections 34’ long.
• Weight - 5,000 pounds.

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Machining & Metal Forming

Safely and efficiently rotates large or unbalanced loads for placement during forming and machining.

Posi-Turner® Applications

PRODUCT HANDLED:
Landing gear beams and flap tracks 17’ long, 2’-4’ wide machined steel, titanium or aluminum weighing up to 5,300 pounds.

PRODUCT HANDLED:
Large engine blocks requiring rotation during the machining process.

 
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Die & Mold Maintenance

Easily rotates dies and molds to allow for product removal, maintenance, or tooling changes.

Posi-Turner® Applications

PRODUCT HANDLED:
Rotating large concrete castings to an upright position after removal from the mold.

PRODUCT HANDLED:
Dies and molds are easily separated and then reassembled after maintenance.

 
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Molded Product Removal

Rotates and/or separates molds for safe and damage free product removal.

Posi-Turner® Applications

PRODUCT HANDLED:
• Precast drycast concrete moulds for manholes and catch basins.
• Jacket with and without product.
• Rectangular or cylindrical forms.
• Full weight up to 15,000 lbs.
• Up to 6’ long and 4’ O.D.

PRODUCT HANDLED:
Vacuum mould with special turning fixtures to compensate for close clearance that prevents slings from being placed between the mould halves.

PRODUCT HANDLED:
• Molded fiberglass boat decks.
• Up to 27’ long and 10’ wide.
• Weight - 800 lbs.

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Material Handling, Storage, and Shipping

Safely picks and tilts loads to the exact angle required for shipping and storage applications.

Posi-Turner® Applications

PRODUCT HANDLED:
Cylindrical segments that need to be rotated for the fabrication and shipping process.

PRODUCT HANDLED:
• Jet skis weighing 800 lbs.
• Position to a precise angle for packaging and shipment.

PRODUCT HANDLED:
Banded stacks of corrugated cardboard boxes up to 2,000 pounds that need to be rotated 180° for shipment.

 
 
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Inspection, Cleaning, Painting & Repair

Precise controlled rotation will allow load rotation to be stopped at any angle for load inspection, cleaning, plating, painting, and repair.

Posi-Turner® Applications

PRODUCT HANDLED:
• Condenser coils.
• Typical piece: 5’ long x 4’ wide x 1’ high.
• Weight - 1,000 pounds.
• Coils are rotated to allow fluid from testing tank to easily drain out.

PRODUCT HANDLED:
• Absorption chillers for large air conditioning systems.
• Fabricated steel shells with copper tubing.
• Weight up to 4,000 lbs.
• Up to 25’ long.

 
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Posi-Turner® Load Rotation Equipment is designed for specific tasks to withstand the particular forces imposed. Guidelines for installation, inspection, maintenance and repair, safe operation and operator training of these lifters follow:

Care & Use

INSTALLATION
Below Hook Lifters shall be assembled and installed in accordance with the manufacturer’s instructions, unless other specific arrangements have been approved in writing by manufacturer. When lifter/auxiliary power supply is required, user inspection shall ensure that the power source complies with ANSI/NFPA 70, National Electrical Code and shall include a power disconnect switch as required in accordance with ANSI/NFPA 70 based on the lifters requirements. If electrical connections are made, the power supply and corresponding power disconnects shall be connected to the line side (power supply side) of the crane disconnect or to an independent circuit as specified in the manufacturer’s operating instructions. Check for correct rotation of all pumps and power units, lubrication of moving parts, and filling of reservoirs, all in accordance with manufacturer’s instructions.

 

OPERATOR TRAINING
Lifters shall be operated in accordance with manufacturer’s operating instructions, and by personnel who have received instructions described in the “Operating Practices” section of these guidelines. Training should also include instruction regarding:
1. Details of the lifting cycle.
2. Application of the lifter to the load including (according to the manufacturer’s instructions) adjustments to the lifter, if any, to adapt it to various sizes and kinds of loads.
3. Instruction in any special operations or precautions that may be required.
4. Recognition of proper load configuration. For example, preferred operation requires an orderly pattern of stacking.
5. Before assuming responsibility for using the lifter, an operator shall demonstrate his understanding of the lifting procedure to the instructor. The instructor should record notes of operator’s demonstrated ability.


INSPECTION
The lifter shall be visually inspected by or under the direction of an appointed person on a daily or weekly schedule depending on the nature of the lifter and the severity of the service. Details to look for include but are not limited to:
1. Structural deformation.
2. Cracks in the structural frame, welds, hoist hook attachment points, mechanically operating parts, any attached slings, clevises and hooks.
3. Malfunctions during operation of a mechanically operating lifter.

4. Loose covers, fasteners and stops.
5. Faulty operation of automatic hold and release mechanisms.
6. Wear of hoist hooking points, load supporting clevises, pins, slings, linkages and mechanical parts.
7. Missing nameplates and markings. Contact Caldwell for replacements.


MAINTENANCE AND REPAIRS
1. A preventive maintenance program should be established for each lifter by a qualified person based on recommendations made by its manufacturer.
2. A qualified person should have responsibility for repairs. Dated records and details of repairs and parts replacement should be carefully maintained by a qualified person, and copies kept in your possession.
3. Replacement parts shall be at least equivalent to the original manufacturer’s specifications.

OPERATING PRACTICES
DO’S

1. The operator shall receive, read and understand the manufacturer’s instruction manual.
2. The operator shall watch carefully that the lifter is performing properly during the lifting procedure.
3. The operator shall know the standard crane directing hand signals.
4. The operator shall only respond to signals from an appointed person. However, stop signals from anyone shall be obeyed.
5. The operator shall notify a designated person when he considers a load to be unsafe.
6. The operator shall inspect the lifter before using. Any defect shall be examined by a qualified person to determine if it is a hazard.


DONT’S
1. The operator shall not operate a malfunctioning lifter or one with an “out of service” tag attached.
2. The operator shall not use the lifter for any purpose(s) other than those designated by the manufacturer’s instruction manual.
3. The operator shall not use a lifter when the capacity, weight or product safety labels are missing or are no longer legible.
4. No one shall make alterations or modifications to lifters without consulting the manufacturer.
5. No one shall obscure or paint over the manufacturer’s capacity, weight, or safety markings.
6. Loads shall not be lifted higher than necessary or be left suspended unattended.
7. The lifter shall not lift a load that is not properly balanced for safe lifting.

 

HANDLING THE LOAD
1. The lifter shall not be loaded in excess of its rated load.
2. Ensure the load can withstand forces applied by the lifter.
3. The combined weight of the lifter and load shall not exceed the rated load of the crane or hoist.
4. The lifter shall be applied to the load in accordance with the manufacturer’s recommended operating procedure.
5. Lifter ropes and chains shall not be kinked, and multiple part lines shall not be twisted about each other.
6. The lifter shall not touch obstructions during load movement.
7. The lifter shall not be loaded with loose material that might fall during movement.
8. The operator or other personnel shall not place themselves or any part of their bodies beneath suspended loads.
9. The load or lifter shall not be slid on the floor or other surface.
10. The lifter shall not be used for loads for which it is not designed.
11. If suspended loads are moved manually, they shall be pushed, not pulled.
12. A preliminary lift of a few inches shall be made to establish that the load is stable.
13. All loads shall be accelerated and decelerated smoothly and slowly.

Modifications or repairs performed on your lifting equipment without prior written approval from The Caldwell Group, Inc. voids your warranty. Refer to ASME standards for information regarding the liability of repaired or modified lifters.