LCD Inverter DC Resistance Spot Welder JW-PULSE-3000

Name: LCD Inverter DC Resistance Spot Welder JW-PULSE-3000
Brand: JINGWEI
SKU: JW-PULSE-3000
Availability: InStock
Rating: 5 (1 reviews)
Author: Wire Harness Processing Equipment Manufacturer & Supplier | JINGWEI

The JW-PULSE-3000 is a precision LCD inverter DC resistance spot welding power supply designed for high-quality, high-speed welding of delicate and non-ferrous materials. With its 4kHz inverter technology, 3000A maximum DC output, and intelligent MCU control, it offers 80x faster response than conventional AC welders. The system supports 20 programmable welding presets, three-stage heating profiles, and soft current ramp control for superior weld consistency and extended electrode life. RS-232 communication (optional) enables seamless integration with automated production lines.
Technical Specifications:

Model	JW-PULSE-3000
Input Voltage	220V AC
Rated Power	10 kVA
Max Output Current	3000A DC
Control Mode	Constant Current / Voltage / Power / Fixed Pulse Width
Duty Cycle	10%
Inverter Frequency	4 kHz
Welding Cycle Periods	11
Welding Pulse Count	3
Current Ramp Control	Yes (Up/Down)
Stored Programs	20 Sets
Display	240 x 128 LCD
Communication	RS-232 (Optional)
Dimensions (L x W x H)	435 x 185 x 320 mm
Weight	22 / 24 kg

Key Selling Points:
• DC pulsating output with minimal ripple — no zero-crossing gaps, superior heat concentration
• MCU-based real-time monitoring of current, voltage, and power
• Soft-switching inverter bridge for reduced EMI and switching losses
• Three-stage heating with configurable current ramp-up/ramp-down
• 20 programmable parameter sets for rapid job changeover
• 240x128 LCD multi-parameter display
• EEPROM non-volatile memory — no battery required
• 4 kHz inverter frequency — 0.25ms control cycle (80x faster than AC)
• Comprehensive fault diagnostics: current anomaly, over-voltage, over-temperature
• Optional RS-232 for automation integration
Recommended Applications:
• Precision electronics assembly and PCB component welding
• Battery tab welding (lithium-ion, NiMH, NiCd cells)
• Non-ferrous metal spot welding (copper, aluminum, nickel)
• Wire harness and connector attachment
• Thin-sheet metal fabrication
• Automotive sensor and relay welding

What makes the JW-PULSE-3000 DC resistance spot welder suitable for precision welding of delicate materials?

The JW-PULSE-3000 uses 4kHz inverter technology with a 0.25ms control cycle, providing 80x faster response than conventional AC welders. Its DC pulsating output has minimal ripple and no zero-crossing gaps, ensuring superior heat concentration and consistent welds. The MCU-based real-time monitoring and three-stage heating with current ramp control allow precise energy delivery, making it ideal for delicate and non-ferrous materials like battery tabs and PCB components.

How does the JW-PULSE-3000 help improve production efficiency with its programmable settings?

The welder features 20 stored programs (parameter sets) that can be quickly recalled via the 240x128 LCD display, enabling rapid job changeover without manual reconfiguration. Each program supports constant current, voltage, power, or fixed pulse width control, along with up to 3 welding pulses and current ramp-up/down. This reduces setup time and ensures repeatable weld quality across different applications, boosting overall production efficiency.

Can the JW-PULSE-3000 be integrated into automated production lines?

Yes, the JW-PULSE-3000 offers an optional RS-232 communication interface, allowing seamless integration with PLCs, robots, or other automation systems. This enables remote parameter setting, real-time monitoring, and data logging, making it suitable for high-volume manufacturing environments where consistent precision and process control are critical.

What types of fault protection does the JW-PULSE-3000 include for safe operation?

The welder includes comprehensive fault diagnostics such as current anomaly detection, over-voltage protection, and over-temperature shutdown. These safeguards protect both the machine and the workpiece from damage during operation. Additionally, the soft-switching inverter bridge reduces EMI and switching losses, enhancing reliability and safety in industrial settings.

Why is the 4kHz inverter frequency important for welding performance in the JW-PULSE-3000?

The 4kHz inverter frequency allows for a 0.25ms control cycle, which is 80x faster than traditional 50/60 Hz AC welders. This high-speed response enables precise real-time adjustment of welding parameters, minimizing heat-affected zones and spatter. It also supports three-stage heating profiles with current ramp control, delivering consistent welds even on thin or heat-sensitive materials like lithium-ion battery tabs and electronic components.

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LCD Inverter DC Resistance Spot Welder JW-PULSE-3000

Model No: JW-PULSE-3000

Specifications

What makes the JW-PULSE-3000 DC resistance spot welder suitable for precision welding of delicate materials?

How does the JW-PULSE-3000 help improve production efficiency with its programmable settings?

Can the JW-PULSE-3000 be integrated into automated production lines?

What types of fault protection does the JW-PULSE-3000 include for safe operation?

Why is the 4kHz inverter frequency important for welding performance in the JW-PULSE-3000?

Send us your question about this product

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