Welding Solutions

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TheBench Welding Positionerare engineered to provide versatility and safety over a range of 100 to 300-pounds. 135 Degree forward tilt is achieved by manual hand-wheel operation. Variable speed drives and motors are provided to maintain precise speed and control during the welding process.

A Start/Stop foot switch is standard.


Features

• Variable speed SCR solid state electronic drives
• Machined Tables
• Standard foot switch control
• Unitized rotation motor and drive
• 135 Degree forward tilt
• Welding chucks available

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The series of Headstock and Tailstock Positionerthat we manufacture can be used for a variety of parts and weldments. A head and tailstock welding positioner is typically used for long rectangular shapes that must be supported from both ends. Both fixed height rotation centerline and power elevating models are available for ergonomic placement of the weldment.

Screw Jack and Geared Elevation models are available. Optional manually and powered mobile sub-bases can be provided on rails for varying part lengths, which allow different length weldments to be positioned with one station. With a large rotation speed range, all welding processes can be accommodated, such as MIG, TIG, SAW, and Laser welding.

A typical configuration consists of a driven headstock positioner with an idler tailstock. Dual synchronized headstocks can be used for exceptionally long parts or parts that have torsion concerns. Robotic versions and manual applications can be accommodated depending on your specific needs.

Features

• For rotating long weldments
• Capacities range from 5,000 to 240,000Lb
• Fixed Base, Adjustable Base or Geared Elevation Models
• Totally Gear-Safe Design
• Zero Maintenance Grounding System

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Koike Aronson / Ransome Robotic Welding Positionerfeatures are available for most standard model Welding Positioners. Robotic Welding applications may include use in the Aero Space, Automotive and heavy equipment industries.

Anti-backlash and high locating accuracy is accomplished with high precision components and machining. Servo drives as well as pneumatics can be used to power these robotic welding Positioners. Special engineered Robotic Welding Positioners are always available.

Features

• Patented Backlash Control
• Redundant braking
• Zero Indicators and zero pins on each axis to establish precise location of the axis
• Transducer mounts on each axis
• Choose from Headstock/Tailstock, Tilt & Rotate, Turntable and Multi-Axis models

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We manufacture a complete line of Tilt and Turn Welding Positionerswhich maximize both safety and production.

Our positioners enable better weld seam accessibility creating increased deposition rates. Even less experienced weld operators can safely manipulate our units while concentrating on welding functions. The boxed section design takes up minimal floor space and allows unrestricted movement throughout the work area. Many safety features have been incorporated into the structural, mechanical and electrical components of these positioners to ensure safe, productive operation. A large selection of optional equipment includes back-lash control, variable speed tilt, and optional tables.

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The complete line of Turning Rollsthat we manufacture maximizes both safety and production, with load capacities ranging from 3,000 lbs to 2.4 million lbs.

Offering the widest variety and capacity ranges of turning rolls in the world, Koike Aronson / Ransome always has a fit for your application. Variable speed powered rotation with constant or variable wheel centerline settings are available.
Rubber, Steel, Urethane, and Micarta (phenolic) wheels are also available. Traditional, Unitized, Self-Adjusting (SA), Trac-Tred, Turbine, and Tilting rolls are just some of the models we offer.

Manual or powered mobile sub-base cars can be included for quick adjustment of varying vessel lengths. Special engineered turning rolls are always available.

Features

• For rotating pipes or vessels
• Capacities range from 3,000-pounds to 2.4 million pounds
• Rubber, Steel or special composite wheels
• Precise Center Distances
• Heavy Duty Chassis Design
• Overload Discs protect rubber tires on 5,000-pounds units & above

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Koike Aronson Ransome Welding Universal Balance Positionerallow for safe and quick manipulation of large, awkward work objects, especially when it is critical to maintain an efficient down-hand welding position. A welder can position objects up to 4,000 lbs, by simply applying fingertip pressure, a welder does not need to raise a helmet or break an arc.

The Welding Universal Balance principle is to intersect the rotational axis center of gravity with that of the tilt axis. Workpieces can then be rotated 360-degrees around both axes, and in most cases, around the Positioner column. A universally balanced load allows effortless access to any desired location upon a mounted fixture.

Features

• Machined Tables
• Caster Bases Available
• Manual Height Adjustment
• Friction Lock Brakes
• Powered rotation available

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The Vertical Up Welder (VUP), a single pass Vertical-Up welder (VUP) can complete 10-12 vertical seams on a field erected storage tank with 8' tall x 1" thick seams in one work shift. X-Ray quality welds with one operator and one machine.

The frame consists of a vertical column mounted on a powered carriage and roller assembly that rides on the top edge of the tank shell.

Lift controls include up/down switch, high/low speed potentiometers and rapid speed selector that control a variable speed motor that is electronically integrated with the welding control, which

automatically adjusts speed to maintain the optimum nozzle to weld puddle relationship.

A Lincoln NA-3 head and control is supplied with two K-176 Nozzles for welding with either 3/32" or .120" diameter NR-431 Innershield wire. The NA-3 head is mounted on a free moving slide providing manual lateral adjustment. An air operated bracket supports an articulated copper shoe assembly.

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Internal-external Seam Welderare cantilevered from one end that allows loading and unloading of open and closed sections onto the mandrel arm.

Our longitudinal seam welder can handle seam lengths from 2 to 12-feet, with diameters 4-1/2" and more. Pneumatically controlled aluminum clamps hold up to 3/8" thick material during the welding process.

A variety of water-cooled back-up bars with or without gas purge are available for several weld processes such as submerged arc, MIG, and TIG welding.

A powered rack and pinion drive carriage moves the welding head along the full seam length with additional 6" of travel allowing 3" for start and run-off tabs.

Features

• Rack and pinion powered carriage
• Optional Copper tipped hold down fingers
• Water cooled back-up bar
• Gas purge back-up bar
• Standard plate thickness up to 3/8"
• Welding equipment can be provided or customer supplied

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Koike Aronson / Ransome manufactures a complete line of column and boom Welding Manipulatorswhich maximize both safety and production with load capacities ranging( on each end of the boom).

Column and boom welding manipulators are a versatile and rugged solution to obtain up to 30-feet of lift and reach to duplicate the function of a highly skilled welder.

Manual or powered mobile sub-based cars can be included for varying length weldments and procedures.

Many variations in speeds, controls, and welding equipment can be fitted to a column and boom welding manipulator. Both gear elevated and chain drive lifts are available to meet your needs.

Specially-engineered column and boom welding manipulators are available, please email our positioner sales department to schedule a consultation.

Features

• For positioning welding equipment
• Rack & Pinion Elevating System - NO CHAIN LIFT
• Base can be fixed, portable or mounted on travel car
• King-pin rotation available for Mast

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The Automatic Girth Welder (AGW) A.K.A. (3:00, 3 O'clock Welder) performs x-ray quality horizontal welds up to 20 times faster than standard manual techniques, cutting in-field welding time for storage tanks by up to 40%.

Operating at speeds from four to 105 inches per minute, the AGW can handle plates as thick as 1 3/4" and tank diameters from the largest to as small as 15'. The adjustable A-frame telescopes manually to handle six- to 10-feet high steel plates.

Ergonomically designed for efficiency, convenience, and accessibility, the AGW includes the Lincoln NA-3 solid state control and welding head fitted with nozzles, wire feed rolls, strengtheners and 50 lb. wire reels for either single or twin-arc wire.

Lincoln NA-5 controls as well as a DC-1000 power source is also available. The submerged arc flux belt mechanism ensures retention of the flux at the joint for efficient recycling.

It is available as a single sided or dual sided mobile welding station completely equipped with welding heads, all controls, flux support belts and flux recovery units.

The AGW straddles the tank shell plates, riding on serrated steel drive wheels that can be adjusted for tank diameter.

The AGW's operator platform is a sturdy and solid workstation with guardrails and all-weather curtains for operator safety and comfort. The double platform is fully equipped with its own direction and speed controls. An access ladder allows movement to the primary flux separator tank and to the side of the dual unit.

Automatic Girth Welder Features

• Effectively cuts welding time up to 40%
• Adjustable frame for plates 6ft to 10ft tall (1.8m-3m)
• Unlimited tank diameters down to 20' in diameter
• High / low rapid travel select controls
• Self propelled at speeds from 4 to 105 IPM
• Plates up to 2" thick
• Single and Double sided operation

Where the Automatic Girth Welder is used:

• Oil Fields
• Tank fabrication
• Nuclear Power Plant
• Waste management facilities

Examples of uses for the Automatic Girth Welder:

• Oil Storage Tanks
• Boilers
• Chemical mixing
• Water storage tanks
• Tankers
• Reactors
• Water Treatment facilities