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Welding Robots — Industrial Welding Process Automation

Welding robots are specialized industrial robots designed for automated welding operations: MIG/MAG, TIG, spot and laser welding. Robotic welding provides consistent weld quality (repeatability of ±0.03–0.06 mm), 3–5 times higher productivity than manual welding, and 15–20% welding wire savings. Our catalog features welding robot manipulators from leading manufacturers: KUKA, FANUC, ABB, and MOTOMAN (Yaskawa).

How to Choose a Welding Robot

Choosing a welding robot depends on the welding type, part dimensions, productivity requirements, and budget. Key selection criteria:

  • Payload — determines the maximum weight of welding torch and auxiliary equipment on the flange. For arc welding, 3–6 kg is sufficient; for spot welding, 80–200 kg.
  • Reach — the robot's working zone radius. For small parts — from 700 mm; for large structures — from 1400 mm and above.
  • Number of axes — standard 6 axes for full torch orientation freedom. Hollow Wrist design allows routing the welding cable inside the arm.
  • Repeatability — positioning accuracy from ±0.03 mm to ±0.08 mm depending on the series.
  • Protection class — welding environments require IP65+ and special spatter protection.
ModelSeriesWelding TypeApplication
KUKA KR 5 ArcKR ARCMIG/MAG, TIGSmall parts, automotive components
KUKA KR 6 ArcKR ARCMIG/MAG, TIGSerial welding of frames, chassis
KUKA KR 16 ARC HWKR ARC HWMIG/MAG, TIGLarge weldments, tube structures
KUKA KR 16 L8-3 ARC HWKR ARC HWMIG/MAG, TIGExtended reach, large-scale parts
KUKA KR 5-2 ARC HWKR ARC HWMIG/MAG, TIGCompact cells, high precision

Welding Robot Manufacturers

Our catalog features welding robots from four global leaders in industrial robotics:

  • KUKA — KR ARC and KR ARC HW series with Hollow Wrist for arc welding. Payload 5–16 kg, 6 axes, ±0.03 mm repeatability. In stock.
  • FANUC — ARC Mate series for MIG/MAG and TIG welding. Models ARC Mate 50i, 100i, 120i with integrated welding source control.
  • ABB — IRB series for arc welding with TrueMove and QuickMove technology for path optimization.
  • MOTOMAN (Yaskawa) — AR and MA series with twin manipulators for simultaneous dual-seam welding.

Welding Robots by Specifications

Select a welding robot by key technical parameters:

  • By payload — from 3 kg (arc welding) to 200 kg (spot resistance welding)
  • By number of axes — standard 6-axis and 7-axis with extended maneuverability
  • By reach — compact (up to 900 mm) for small cells, extended (1400+ mm) for large structures
  • By welding type — MIG/MAG, TIG, spot, laser, plasma cutting

Warranty and Support

All welding robots are supplied with official manufacturer warranty. We provide technical support at every stage:

  • Consultation and selection — we help choose the right robot for your specific task and welding type
  • Delivery across Ukraine — Kyiv, Kharkiv, Odesa, Dnipro, Lviv, and other cities. Specialized logistics for oversized equipment
  • Payment — bank transfer with VAT for businesses, staged payment options for large projects
  • Commissioning — welding robot integration into your existing production line, staff training

Frequently Asked Questions

What are the advantages of welding robots over manual welding?

Welding robots provide: consistent weld quality (±0.03 mm repeatability) regardless of shift or operator, 3–5 times higher productivity than manual welding, 15–20% welding wire savings through precise dosing, reduced spatter and weld defects, safe working conditions — the welder is not exposed to arc, fumes, and UV radiation.

What is needed for a robotic welding cell?

Minimum setup includes: industrial robot (e.g., KUKA KR ARC HW), welding power source (Fronius, Lincoln, ESAB), welding torch with cleaning system, positioner for part rotation, safety system (fencing, light curtains, interlock switches), and control program. For serial production, a workpiece feeding system is additionally required.

What welding types do industrial robots support?

Industrial robots support all major types: MIG/MAG — most common for steel and aluminum, TIG — for stainless steel and thin materials, spot (resistance) — for automotive, laser — for high-precision joints, plasma cutting. The KUKA KR ARC HW series is optimized for arc welding with its Hollow Wrist design.

Are welding robots suitable for small batch production?

Yes, modern robots are efficient for batches from 50–100 parts thanks to offline programming (creating programs on PC without stopping the robot), quick fixture changeover in 5–10 minutes, and parametric programming. For single-piece production, robotization is not cost-effective — manual welding is more economical.

What is the payback period for a welding robot?

Average payback period is 1.5–2 years with two-shift operation. Savings come from: reduced welding wire consumption (15–20%), lower defect rate (from 5–8% to under 1%), fewer skilled welders needed, and increased production capacity without expanding floor space.

How to choose between KUKA KR ARC and KR ARC HW for welding?

KR ARC HW (Hollow Wrist) features a hollow wrist that allows routing the welding cable and hoses inside the robot arm. This prevents cable snagging on parts, reduces wear, and improves reliability. Recommended for complex trajectories and confined spaces. Standard KR ARC is suitable for simple straight-line welds.