Heavy Duty Spot Weld Gun

Heavy-Duty Spot Weld GunRobust Steel Frame

The Heavy-Duty Spot Weld Gun from WPI Taiwan is built for large workpieces and high electrode force applications. Its rigid steel body, water-cooled transformer, and ergonomic design ensure stable performance, consistent weld quality, and long service life.

Key Features

  • Rigid Steel Frame– High vibration resistance, stable welding force, no electrode misalignment.

  • High Force & Impact Resistance– Withstands heavy electrode pressure and reactive loads.

  • Multi-Stage Pneumatic Cylinder– Modular design, force multiplication, easy maintenance.

  • Ergonomic Balance– Smooth handling even with wide throat or long arms, reducing operator fatigue.

  • Custom Welding Arms– Tailored length, angle, and bend for specific workpieces.

  • Water-Cooled System– Transformer and arms cooled for stable current and weld quality.

  • In-House Components– Transformer, arms, and cylinders manufactured for reliable supply.

Applications

  • Automotive body-in-white welding

  • Large sheet metal assemblies

  • Heavy-duty structural fabrication

FAQ – Heavy-Duty Spot Weld Gun

Q1: What is a heavy-duty spot weld gun used for?

A heavy-duty spot weld gun is designed for large sheet metal and structural parts that require high electrode force and stable weld quality, commonly used in automotive body-in-white and heavy fabrication.

Q2: Why is water cooling important in resistance welding guns?

Water cooling prevents overheating of the transformer and welding arms, ensuring consistent current delivery, longer component life, and stable weld nuggets.

Q3: Can the welding arms be customized?

Yes. Welding arms can be engineered with different lengths, bends, and angles to match specific workpiece requirements.

Please feel free to explore our Video Gallery.  If you need more information, please contact us.

Strong Structure A-Gun

Operating central throat width-mm200260320380440500
48KVA-ModelCHO(G)-484AUCHO(G)-485AUCHO(G)-486AUCHO(G)-487AUCHO(G)-488AUCHO(G)-489AU
72KVA - ModelCHO(G)-724ARCHO(G)-725ARCHO(G)-726ARCHO(G)-727ARCHO(G)-728ARCHO(G)-729AR
93KVA - ModelCHO(G)-934ARCHO(G)-935ARCHO(G)-936ARCHO(G)-937ARCHO(G)-938ARCHO(G)-939AR
116KVA - ModelCHO(G)-1164ARCHO(G)-1165ARCHO(G)-1166ARCHO(G)-1167ARCHO(G)-1168ARCHO(G)-1169AR

 

 

Strong Structure C-Gun

KVA \ Stroke-mm100150Over 150
48KVACHO(G)-48-H-CU- II 100CHO(G)-48-H-CU- II 150Order Made
72KVACHO(G)-72-H-CR- II 100CHO(G)-72-H-CR- II 150Order Made
93KVACHO(G)-93-H-CR- II 100CHO(G)-93-H-CR- II 150Order Made
116KVACHO(G)-116-H-CR- II 100CHO(G)-116-H-CR- II 150Order Made