High-Quality Plasma torch 500A Manufacturer, Manufacturers

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High-Quality Plasma torch 500A Manufacturer, Manufacturers

This mode of plasma torch 500A is a large power rate torch. Generally speaking, it would be a configuration with the PTA welding plasma power supply 500A.

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Product Description

Technical Specifications

Model	DPT-50019
Main arc polarity	Tungsten electrode to negative electrode / Work piece to positive electrode
Pilot arc polarity	Tungsten electrode to negative electrode / Nozzle to positive electrode
Tungsten electrode dimension	6.0mm
Arc voltage	90V
Current	30-500A (80% duty cycle)
Cooling type	Circulation cooling of main arc and pilot
Nozzle cooling	Water cooling
Ionic gas	0.6~6L/min
Shielding gas	5~25L/min
Powder feeding gas	0.6~6.0L/min
Powder feeding gas circuit	Two gas paths enter independently
Powder feeding volume	8kg/h Max
Powder type	Metal powder
Granularity	70~200um
Powder feeding type	By the feeding hole

Product Overview

The 500A plasma surfacing torch consists of three parts: the upper part, the lower part, and the insulator. The upper part is used to fix the tungsten pole and to connect the water and electric joints. The lower part is designed to install the nozzle and serve as part of a water-cooled cavity, connecting the pipeline joints of water, electricity, gas, and powder. The insulators ensure proper insulation between the upper and lower parts while connecting them together. The protection gas diffuses completely inside the torch to form uniform protection, and the powder feeding pipeline is internally integrated to ensure an unblocked powder feeding system.

Operation & Maintenance

To ensure optimal performance, please use and maintain the device correctly.
Replacement of the nozzle, sealing ring, and central ring must be carried out while the machine is shut down.
Keep the position of the torch higher than the water tank to avoid cooling water flowing into the powder feeding channel.
When the tungsten pole is disassembled, the pilot arc must be turned off.
Check the sealing ring and place it smoothly into the sealing groove after confirming it is new and free of scratches.
Allow for a proper cooling period during continuous use of the torch.

Safety Precautions

Do not touch live components to prevent electric shock.
Stand on a dry insulating mat and protect yourself from the ground using dry insulating gloves.
Do not use wet or damaged gloves.
Do not touch hot parts with bare hands.
Keep your head away from the smoke.
Use forced ventilation and smoke extraction devices to remove smoke, or use a fan to clear it.
Comply with local environmental regulations when removing smoke and dust.
Always wear protective clothing, welding caps, and choose appropriate filters.

Frequently Asked Questions (FAQ)

Q: What are the three main parts of the 500A plasma surfacing torch?

A: The torch consists of the upper part (which fixes the tungsten pole and connects water and electric joints), the lower part (which houses the nozzle and water-cooled cavity connections), and the insulator that connects and insulates the two parts.

Q: What is the maximum powder feeding volume and compatible powder type?

A: The maximum powder feeding volume is 8kg/h, and it is designed for metal powder with a granularity range of 70~200um.

Q: What precautions should be taken when replacing the nozzle or sealing ring?

A: Any replacement of the nozzle, sealing ring, or central ring must be performed when the machine is shut down. Ensure the sealing ring is brand new and scratch-free before placing it into the groove.

Q: How do I prevent cooling water from entering the powder feeding channel?

A: You must keep the physical position of the torch higher than the water tank to avoid cooling water flowing backwards into the powder feeding channel.

Q: What safety measures should be followed to protect against electricity and heat?

A: Avoid touching live components and hot parts. Always stand on a dry insulating mat, use dry and undamaged insulating gloves, and allow the torch to cool down periodically during continuous operation.

Q: How should ventilation and smoke removal be managed during operation?

A: Keep your head away from the welding smoke. Use forced ventilation, extraction devices, or fans to remove smoke and dust, and ensure compliance with environmental regulations.