1. Using inverter technology, IGBT dual module to save energy.
2. Reactors and transformers are all copper wire wound.
3. The actual input current ensures compliance with the described current value.
4. Small size, light weight, high reliability, good welding effect.
5. All products are available for OEM.
6.Guaranty: One year for the whole machine and PC board, and we will offer you spares valued 4% of the total amount for you to do maintenance.
Features:
1. Automatic protection from overcurrent, overheat, over/under voltage
2. Support TIG welding and MMA welding
3. HF(high frequency), easy to start arc
4. In MMA welding, can be used together with all kinds of electrode with a diameter below 5mm.
5. In TIG welding, can weld stainless steel, alloy steel, copper, silver, titanium
6. Wide range of supply voltage, as wide as ±20%
Technical Parameters:
Contents | WS7-500 | |
Power source | 3-phase 380V/415V 50Hz | |
Rated input capacity | 23.7 KVA | |
Rated input current | 36A | |
Rated welding current | 500A | |
Welding current | 500A 60%DE | |
400A 100%DE | ||
Adjustment range of current | 20-500A | |
Efficiency | 85% | |
No-load voltage | TIG | 40-50V |
MMA | 70-80V | |
Current up/down-slope time | 0-10S | |
Time for pre-gas sending | 1S | |
Time for delay gas sending | 5S | |
Arc-start means | HF | |
Dimensions (mm) | 640×326×560 | |
Weight (Kg) | 55 | |
Insulation class | F | |
Protection class | IP21S |
Company Description:
Sichuan Morrow Welding Development Co., Ltd. ( MORROW WELDING) is a high-tech enterprise specialized in research, development, production and sales of IGBT series inverter welding products.
 We established Morrow Inverter Power Research Institute to specially engage in research, development, and regeneration of inverter welding machine.
We can develop and produce specialized products according to different requirements of different customers.
All of our products are produced in line with ISO9001:2000 quality system certificate and have "CCC" certificate.
With the business philosophy of "Quality First, Performance First, and Service First", we are dedicated to offering ideal welding equipment for domestic and overseas customers.

 Product Description:
1. Using inverter technology, IGBT dual module to save energy.
2. Reactors and transformers are all copper wire wound.
3. The actual input current ensures compliance with the described current value.
4. Small size, light weight, high reliability, good welding effect.
5. All products are available for OEM.
6.Guaranty: One year for the whole machine and PC board, and we will offer you spares valued 4% of the total amount for you to do maintenance.
Features:
1. Automatic protection from overcurrent, overheat, over/under voltage
2. Support TIG welding and MMA welding
3. HF(high frequency), easy to start arc
4. In MMA welding, can be used together with all kinds of electrode with a diameter below 5mm.
5. In TIG welding, can weld stainless steel, alloy steel, copper, silver, titanium
6. Wide range of supply voltage, as wide as ±20%
Technical Parameters:
Contents | WS7-500 | |
Power source | 3-phase 380V/415V 50Hz | |
Rated input capacity | 23.7 KVA | |
Rated input current | 36A | |
Rated welding current | 500A | |
Welding current | 500A 60%DE | |
400A 100%DE | ||
Adjustment range of current | 20-500A | |
Efficiency | 85% | |
No-load voltage | TIG | 40-50V |
MMA | 70-80V | |
Current up/down-slope time | 0-10S | |
Time for pre-gas sending | 1S | |
Time for delay gas sending | 5S | |
Arc-start means | HF | |
Dimensions (mm) | 640×326×560 | |
Weight (Kg) | 55 | |
Insulation class | F | |
Protection class | IP21S |
Company Description:
Sichuan Morrow Welding Development Co., Ltd. ( MORROW WELDING) is a high-tech enterprise specialized in research, development, production and sales of IGBT series inverter welding products.
 We established Morrow Inverter Power Research Institute to specially engage in research, development, and regeneration of inverter welding machine.
We can develop and produce specialized products according to different requirements of different customers.
All of our products are produced in line with ISO9001:2000 quality system certificate and have "CCC" certificate.
With the business philosophy of "Quality First, Performance First, and Service First", we are dedicated to offering ideal welding equipment for domestic and overseas customers.

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Cable tray forming machine not only can be set up independently in buildings, but also can be attached in a variety of buildings (structure) on building and pipe rack bracket.
It has simple structure, beautiful shape, configuration flexibility and easy maintenance.
Specifications:
Matching material
Galvanized or PPGI, Aluminum
Material thickness range
0.8mm-2.0mm
Forming speed
2m/min(include punching and cutting time)
Hydraulic station power
22KW
Rollers
20(according to drawings and size)
Shaft material and diameter
80mm, material is 40Cr
Material of the body
400H steel
Wall panel
20mm, Q195 steel(all with electrostatic spraying)
Controlling system
PLC
Material of rollers
45# steel with chromed or Cr12(you can choose the material as your request)
Material of blade
Cr12 mould steel with quenched treatment 58-62℃
Work process:
Decoiler - Leveling - Feeding guide - Power press - Main roll forming machine - PLC control system - Hydraulic cutting - Receiving table
Pictures of machine:
Training and Installation :
1. We offer installation service local in paid, reasonable charge.
2. QT test is welcome and professional.
3. manual and using guide is optional if no visiting and no installation.
Certification and after service:
1. Match the technology standard, ISO producing certification
2. CE certification
3. 12 months warranty since the delivery. Board.
Our advantage:
1. Short delivery period.
2. Effective communication
3. Interface customized.
Cable Tray Roll Forming Machine
Cable Tray Roll Forming Machine,Metal Cable Tray Roll Forming Machine,Steel Cable Tray Roll Forming Machine,Cnc Cable Tray Roll Forming Machine
YingYee Machinery and Technology Service Co.,Ltd , https://www.yingyee.cn