Aluminum Auto body repair Dent pulling machine for collapsed car body

This machine is designed for repairing aluminum alloy auto body panels — including pulling dents, fixing collision damage, repairing longitudinal scratches and defective aluminum rivets — by welding aluminum studs to the damaged area and pulling the deformation from the outside.

A capacitor-discharge/pole-welded aluminum stud is welded to the deformation point, then a lever stud tensioner or puller stretches the deformation. All operations are performed from the outside of the car body, avoiding panel removal.

The machine supports weld studs with lengths from 6 mm to 35 mm. Common stud thread/sizes used for aluminum alloy repairs (for example M4) are compatible; confirm stud type with your consumable supplier.

It accepts single-phase AC input across 110–240 V at 50/60 Hz, making it usable in most workshop environments without three-phase power.

Maximum welding speed is up to 40 studs per minute. The welding discharge cycle is very short (1–3 milliseconds), allowing high throughput.

The machine uses very short capacitor-discharge weld times and full-section fusion to minimize the heat-affected zone. Welding damage to the backside is described as very small or almost none when used correctly.

Yes — the machine uses a ground cable and European fast connectors for quick installation and disassembly. Always ensure a good ground connection to the vehicle for safe and effective welding.

Built-in thermal safety control monitors temperature and triggers an indicator alarm/flash if an abnormal temperature rise or overload occurs. Standard safe-work practices (PPE, ventilation, checking for fuel lines/airbags) must also be followed.

The unit uses a microprocessor control with a manual knob for stepless voltage adjustment. Charging voltage range is 40–200 V and voltage control accuracy is +/-5 V, allowing fine tuning for different panel conditions.

Typical specifications: weight about 56–57 kg, bench height 940 mm, worktable length 615 mm, worktable width 435 mm. Capacitor sizes referenced are 66,000 µF or 99,000 µF depending on model. Confirm exact model specs before purchase.

Regularly inspect welding torch cable, ground cable and connectors for wear or damage; keep the machine and venting clean; replace consumables (studs, tips) as needed; follow manufacturer's service intervals and store dry when not in use.

A flashing thermal indicator signals overheating or overload. Stop work, allow the unit to cool down, check for blocked ventilation or excessive duty cycle, inspect connections, and retry after cooldown. If flashing persists contact service.

Operators should be trained in capacitor-discharge/stud welding safety and techniques for aluminum body repair. Training helps ensure correct parameter selection, proper grounding, safe welding practices, and optimum repair quality.

The product carries a 1-year warranty against manufacturing defects. Wear-and-tear items and consumables are typically excluded. Contact the supplier or manufacturer for support, spare parts and warranty service details.

You will need aluminum weld studs (appropriate lengths), replacement welding tips/nozzles, a stud tensioner/puller, and possibly spare ground clamps and connector leads. Confirm which consumables are included with the unit at purchase.