Description
The NY-D01 Spot Welder Control Board is designed to control the welding output of AC transformer-based spot welding machines. It uses an STM8 microcontroller and thyristor/SCR phase-angle control to regulate the AC power supplied to the welding transformer.
The board provides adjustable welding time from 1–50 AC cycles and a current adjustment range of 30–99, with a digital display for easy monitoring of the settings. A foot pedal or other passive normally-open trigger can be used to start the welding process, while optocoupler isolation helps separate the control section from the high-current switching section.
This controller is commonly used in DIY transformer spot-welding machines, including projects for nickel-strip and battery-pack welding when paired with a properly designed transformer and welding circuit.
Specifications
| Specification | Details |
|---|---|
| Model | NY-D01 |
| Product Type | Spot Welder Control Board |
| Thyristor Rating | 100A |
| Control-Board Supply | AC 9–12V |
| Controller Power | Approx. 3W |
| Supply Frequency | 50Hz / 60Hz |
| Welding Time Range | 1–50 AC cycles |
| 1 AC Cycle | 20ms at 50Hz |
| Current Adjustment Range | 30–99 |
| Welding Output | Single Pulse |
| Controller | STM8 Industrial Microcontroller |
| Control Method | Thyristor / SCR Phase Control |
| Trigger | Foot Pedal / Passive Normally-Open Trigger |
| Trigger Circuit | Thyristor Optocoupler |
| Adjustment Method | Potentiometer / Knob |
| Display | Digital Display |
| Detection | Zero-Crossing Detection |
| Isolation | Optocoupler Isolation |
| Controller Size | Approx. 60 × 80mm |
| Operating Temperature | About -40°C to +85°C |
| Application | DIY Transformer Spot-Welding Machines |
| Suitable For | Nickel-Strip and Battery-Pack Spot Welding |
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