Benchtop Positioners

What is a benchtop welding positioner?

A benchtop welding positioner is a compact rotating and tilting table that holds a workpiece and turns it under the arc, so the weld stays in the flat position while the welder keeps a comfortable, controlled stance. Shops use them for small weldments, pipe flanges, and repetitive MIG and TIG work where consistent bead quality matters.

Why use one?

• Weld precision — rotating the work under the arc produces consistent beads across the whole joint.
• Time efficiency — fewer stops to reposition and re-clamp means projects move faster without sacrificing quality.
• Safety — less manual handling of hot, heavy workpieces.
• Flexibility — tilt and rotation put the perfect weld angle within reach on parts that would otherwise fight you.

Koike's American-made benchtop positioner: the LD4

Koike Aronson builds one benchtop model — the LD4 benchtop welding positioner — engineered and manufactured in the USA by the same Aronson craftsmen behind our heavy industrial positioners. It carries a 400 lb load rating, tilts from 0 to 105° across 8 fixed positions, and delivers a 300-amp rotary ground for MIG and TIG welding. Beyond welding, it doubles as a smooth, controlled turntable for part positioning during fabrication, inspection, and finishing. The LD4 sells for $4,960 with free shipping and ships from stock.

How the LD4 compares to other benchtop positioners

How to choose a benchtop welding positioner

Capacity and center of gravity. Size by the weight and center of gravity of your heaviest workpiece plus fixturing — not by table diameter. Our step-by-step guide, How to Size a Positioner, walks through the load and torque math with worked examples. For small weldments and pipe flanges up to 400 lb, the LD4 covers the range.

Tilt or flat turntable. A tilting positioner like the LD4 rotates and angles the workpiece for access a flat turntable can't offer; a self-locking worm gear should hold the chosen angle without drift under load.

Controls and accessories. Hands-free operation matters — look for a foot switch so both hands stay on the torch, and check chuck compatibility if you weld pipe and flanges. The LD4 pairs a momentary foot switch with an optional 3-jaw self-centering chuck whose enclosed faceplate blocks flux and weld spatter.

Build quality and footprint. A rigid, well-built positioner keeps its precision over years of arc time, and a compact footprint earns its bench space in small shops and field setups.

Who uses benchtop welding positioners?

Fabrication shops welding small parts and sub-assemblies, pipe-welding training centers and welding schools, and precision-assembly teams that need controlled, repeatable rotation — anywhere a full-size positioner is overkill but hand-rotating parts costs quality and time.