Precision Transistor Welding Power Supply — 16kg Thin‑Metal Spot Welding Machine

Product overview

This precision spot welding machine combines a transistor‑based power supply, programmable pulse profiles and a 16 kg adjustable force actuator to deliver controlled micro‑spot welds on thin metal foils, flexible PCBs, battery tabs and small SMT components. Features include multi‑pulse profiles, adjustable current and pulse width, integrated cooling and optional weld monitoring for process traceability.

Problem → Cause → Solution

Problem: Welding thin metal and sensitive substrates often causes deformation, inconsistent joints or component damage.
Cause: Excessive peak energy, poor pulse control or inconsistent electrode force produce heat spread and variable weld quality.
Solution: The transistor power supply with precise current shaping, short pulse resolution and stable 16kg force control reduces thermal spread and produces consistent, repeatable welds. Implement by selecting correct electrode tips, tuning pulse profiles and validating with sample tests.

Technical Specifications

Applications

• Thin metal foil and flexible PCB busbar welding for touch sensors and flexible displays—strong joints without substrate damage.
• Battery tab and micro‑battery welding—controlled energy prevents separator or electrode damage.
• SMT micro‑welding and transistor lead tack—secure connections with minimal heat‑affected zones.

How it works 

Recipe selection: choose material preset or create custom profile (current, pulse width, force).
Electrode contact & force: actuator applies controlled force to ensure stable contact and consistent contact resistance.
Pulse delivery: transistor power supply delivers shaped current pulses per profile.
Cooling & monitoring: integrated cooling limits heat build‑up; optional monitoring records current/voltage for QA.

How to choose

Material & thickness: match pulse energy to material thickness—use destructive/gravimetric tests to validate.
Required electrode force: verify actuator capacity (16 kg) meets contact stability needs; lower force preferred for very thin substrates.
Pulse resolution: pick models with sub‑ms resolution for micro‑spot control and multi‑pulse capability for staged energy delivery.
Electrode tip selection: soft copper for ultra‑thin foils; tungsten or silver‑plated copper for harder metals or high wear.
Throughput: confirm cycle time including return stroke and cooling interval meets takt time.

Installation & maintenance

Installation: bench or cell mount; connect clean compressed air (if pneumatic), cooling, and grounded power. Observe ESD/grounding procedures for sensitive substrates.
Commission: run a matrix of material × thickness × electrode to create production recipes.
Maintenance: clean electrode tips daily on high‑use lines; replace tips and verify force sensor calibration monthly.

FAQ

• Q: What is the maximum actuator force and why does it matter?
  A: Maximum force is 16 kg; stable electrode force ensures consistent contact resistance and repeatable energy delivery—critical for thin foils and small joints.
• Q: Can the machine support multi‑pulse welding?
  A: Yes—supports single and multi‑pulse modes; multi‑pulse profiles help manage heat input for fragile substrates.
• Q: Is weld monitoring available?
  A: Optional weld monitoring logs current/voltage profiles and stores batch data for SPC and traceability.

Contact Us

If you need a high-speed, high-precision transistor welding power supply to handle fine wire welding, thin pad bonding, or heat-sensitive substrates, the JMS-1000A is your proven solution for next-level process control.
Contact us today to learn more about how JMS-1000A can optimize your precision welding operations.