1, Use medium frequency inverter controller, welding current is DC, 1000Hz.
2, Saving energy.
3, Top quality.
4, There phase power supply input evenly.
5. less power supply needs, saving 40% electricity than AC Welding machine.
1, Machine body of thick steel sheet, not easy to deformation.
2, Microcomputer control.
3, Water cooling transformer: Use silicon sheets of 15000 gauss permeability to pile up. .
4, Fast solenoid valve, making welding speed faster.
5, Cylinder adopt high accurate, anti-friction hard material, which is duralumin.
6, Quality is stable, failure rate is low.
It is special suitable for spot welding of Aluminum plate.
Model
Unit
Item |
DTMZ-12 |
DTMZ-28 |
DTMZ-50 |
DTMZ-90 |
DTMZ-160 |
DTMZ-250 |
DTMZ-2× 160 |
DTMZ-2× 250 |
Rated capacity |
KVA |
12 |
28 |
50 |
90 |
160 |
250 |
320 |
500 |
Primary voltage |
V |
500 |
500 |
500 |
500 |
500 |
500 |
500 |
500 |
Max current firstly input |
A |
55 |
140 |
340 |
600 |
840 |
1280 |
1680 |
2560 |
Max current secondary output |
KA |
7 |
12.8 |
20 |
25 |
30 |
42.9 |
60 |
80 |
Secondary voltage |
V |
6.0 |
7.5 |
8.0 |
10.0 |
10.8 |
12.5 |
10.8 |
12.5 |
Cooling water flux |
L/min |
6 |
6 |
8 |
8 |
10 |
10 |
12 |
12 |
Duty cycle |
% |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
Atmosphere temperature |
º C |
0-30 |
0-30 |
0-30 |
0-30 |
0-30 |
0-30 |
0-30 |
0-30 |
Humidity |
% |
90 |
90 |
90 |
90 |
90 |
90 |
90 |
90 |
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We, Ningbo Xin Chang Machinery Co.,Ltd are a professional designer and manufacturer in friction welding machine, resistance welding machine and Heat exchanger equipment. Our factory is in this line more than 20 years, we have more than 10 senior mechanical and electrical specialists and total more than 200 staff, our machine is famous in China. We have CCC, ISO9001 and CE certificates.
Over the years, we have exported so many machines to 30 and more countries, such as France,Spain,Poland,Russia,Indonesia,Vietnam,Pakistan,India,Mexico,Egypt etc.
Our main products are Heat exchanger equipment, Friction welding machine, spot welding machine, projection welding machine, butt welding machine, seam welding machine, multi head welding machine for wire mesh, and other various special welding machine for metal connection in different industries.
We always adhere to the management idea of "Integrity, profession, innovation, and win-win", to make Xin Chang becomes trustworthy enterprise of customers. Good product quality, perfect after-sales service, and professional technical support make customers choose no regrets and worry-free use.
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
1.Q: What about your standard delivery date ?
A: Usually 30-60 working days. Our company provide just-in-time delivery
2.Q: How can you guarantee quality?
A: You could test samples before order,and we have professional QC and precise machining equipment; Always final Inspection before shipment;
3.Q: How long is the guarantee?
A: For one year after the custumer received the machine.
4.Q: What do we need to do if the machine fails?
A: In the guarantee time (1 year),we will send the spare parts to you for free,and provide the technical consultant for any time.
5.Q: Can I make my own design and logo on the product?
A: Yes, we do OEM.Welcome global partners.
6.Q: what is the packing mode?
A: wooden case or FCL with container.
7.Q: what is your after-sell service?
A: After-Sales
1) Training your workers how to install the machine, how to use the machine.
2) Engineers available to service machinery overseas
3) 1-year guarantee ( free maintain in a year)
4) Replacement parts and other accessories provided