benlong 
MCB thermal trip set automatic welding line
Custom MCB thermal trip set automatic welding line with robotic cells, vision alignment (±0.05mm), closed‑loop energy control, and full traceability. Supports multiple bimetal sizes. Rapid changeover. For high‑volume production of IEC 60898‑1 compliant thermal trip assemblies.
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Delay Tube + Pole shoe automatic welding machine
The delay tube + pole shoe automatic welding machine completes the delay component of hydraulic magnetic circuit breakers: tray-fed infeed, vibratory pole shoe feeding with anti-drop vacuum handling, spring-presence detection before welding, and DC resistance welding — designed to run in line with our oil filling and assembly machine.
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MCB Bi-metal Support Frame automatic welding machine
Benlong MCB Bi-metal Support Frame automatic welding machine – precision resistance welding for bimetal strips. ±0.05mm accuracy, 1,400‑2,400 pcs/hour, energy monitoring, IEC 60898‑1 compliant. Ideal for high‑volume MCB thermal trip assembly.
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MCB magnetic trip set automatic welding machine
Benlong MCB magnetic trip set automatic welding machine – micro-resistance or laser welding for solenoid coil leads. Integrated wire stripping, post-weld resistance verification (
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RCBO PCBA automatic soldering machine
Custom RCBO PCBA automatic soldering machine for 17.8mm ±0.08mm modules. 3‑line parallel soldering, quick‑change tooling, placement detection. Inline process: separation → distribution → Station A (3 positions) → merge → Station B. Tailored to your PCBA layout. High throughput, low defects.
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Semi automatic welding machine
The semi automatic welding machine combines manual loading with fully automatic medium-frequency DC spot welding — 2.5 s per piece, one-key HMI changeover, Omron PLC, and a fume-extracted safety enclosure. Designed for internal metal components of electrical appliances, customized to your part drawings, and upgradeable to full automation. Delivery in 50 working days.
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