Vertical Type Metal Sheet Inverter Spot Welding Machine Medium Frequency

HWASHI WL-MF-250K Vertical Type Metal Sheet Medium Frequency Inverter Spot Welding Machine

DETAILED DESCRIPTION
1. MF Inverter Spot Welder is an advanced welding equipment. The three-phase power supply, through rectified by a special inverter, is converted into 1000Hz AC voltage and then is transmitted to a medium frequency transformer then the current is rectified in order to supply DC welding current.
2. The advantage is that it helps to greatly reduce the energy of iron core material, as the frequency of welding transformer is promoted from 50/60Hz of mains supply to 1000Hz. Besides, the commutation diode of subloop of transformer could transform the electric energy into DC power which is used to provide power for welding.
3. Under such circumstance, the inductance coefficient of subloop could be improved dramatically and the production cost could be minimized because the inductance coefficient is an important factor that results in energy loss but could almost be ignored in DC welding circuit.

Feature
1. Three-phase power supply, grid balance, small impact on the grid
The power factor is as high as 0.7-0.9 (power frequency 0.4), which greatly reduces the reactive power loss.
2. Significantly improved welding control accuracy
The inverter frequency reaches above 1000Hz, and the welding current control ability and control accuracy are 20 times higher than those of AC welding machines.
3. Great leap in welding quality
The current waveform is straight, the size of the nugget is stable, the spatter is less, and the surface quality of the solder
joint is good.
4. Save basic investment and save energy
The grid power demand is low, only 2/3 of the AC resistance welding machine; the welding time is short and the electrode life is long.
5. Human-computer interface, easy to operate
Multiple sets of welding specifications can be stored and called with one key, real-time display of welding current and time, monitoring and alarm functions of welding pressure, cold water flow, and welding current.

Specifications

APPLICATION AND SAMPLES

ABOUT US

Guangdong Hwashi Technology Inc. was established in 2001 whose registered capital is RMB 10.309 million.

Hwashi has two production bases in Huizhou, Guangdong Province and Gaoan, Jiangxi Province, covering

a total area of 50,000 square meters. Several branches were set up in Hong Kong, Shenzhen, Shanghai,

Wenzhou, etc. Hwashi is the leading company in welding industry in China and has been awarded the famous

brand for years. Hwashi welding machines are selling to more than 70 countries like areas in Russia, India,

Turkey, Chile, U.S. Saudi Arabia, Italy, Hungary, South Korea, Japan, etc. for providing the best welding machine

and automation solution to the top companies all over the world.

Hwashi company is a high-tech enterprise which is specialized in developing, manufacturing and selling

of standard resistance welding machine, customized automatic welding machine, and industrial robot, etc.

A professional and rich experienced technical team gathered in Hwashi. They insist in self-developing

and take the overseas advanced technology as reference and has obtained more than 70 national patents.

Except for the standard resistance welding machine, they also devote in developing all kinds of automatic

welding machine and production line. Lots of automatic welding production lines has been designed and

manufactured for famous companies in domestic and abroad successfully. Hwashi equipment has

been widely applied to manufacturing industries like cookware, automobile, motorcycle, hardware,

household appliances, low-voltage apparatus, elevator, compressor, etc. In terms of quality, Hwashi has

obtained ISO9001:2000 certificate of quality system, CCC and CE certificate. The main customers

include MIDEA Group, SUPOR Group, GREE Group, Shanghai Panasonic, DELIXI, BYD, MEYER Thailand,

BRG India, etc.

"Caring for our customers and providing earnest service" is the aim of Hwashi company. To meet what you

need is the goal Hwashi pursue. They are committed to become the top class welding solution expert in the

world and break through all kinds of welding difficulties to create real value for customers.

Professional Team

Over the years, Hwashi has cultivated a large number of talented, dedicated and innovative Hwashi people.

We have a professional team of experts with rich experience in electrical engineering, mechanical design and

welding technology.

FAQ:

Q1: what is the price of your machine?
Answer: our machines are customized for your requirements. If you want to get the appropriate

price, please provide us the following information.
* The material and thickness of your product
* The minimum and maximum size of your product
* The welding position of your products
* The automation level that you want to achieve
* It would be better if you can provide us the detailed product drawings so our engineer can come out with

the suitable technical proposal and price for you.

Q2: what is the warranty period of your machine?
Answer: our standard warranty period is one year after shipment. If you want to extend the warranty period,

there will be extra cost.

Q3: what if my machine damaged doing the warranty period?
Answer: firstly, our engineer will help you to diagnose the problem via online guidance. if any parts damaged

during the warranty period, we will send the parts to you for replacement free of charge. If you can not fix he

problem by replacement of the new parts, we will send engineer to your factory to help fixing the machine.

Q4: what is the delivery time of your machine?
Answer: it depends on the complexity of your machine. Most of our standard machine we got in stock, then

we can shape the machine with the seven days after receiving your payment. If you need the Customized

machine, normally it would take about 30-90 days to complete the machine.

Q5: can we send the sample to you for welding test?
Answer: yes. You can send us the samples for welding test and we will send you the pictures and videos

after the testing. If you need, we can also send the samples back to your country so you can check

the welding quality by yourself before ordering the machine.

Q6: can you provide us the machine drawings and technical proposal?
Answer: yes. After receiving your detailed requirement and product drawings, our engineer will come out

with the suitable technical proposal with the basic machine concept drawings to you. Be size after you

placing the order we will send you the more detailed design drawings of the machine to you for confirmation.

Only after you confirming the drawings then we will start the manufacturing process.

Q7: what’s your payment terms?
Answer: we can accept the following payment terms: T/T, L/C, Western Union, Alibaba trade assurance.

(we prefer you to choose the Alibaba trade assurance order. If you are not satisfied with the machine that

you order, or we delay the shipping time, then you can apply the complaint on alibaba.com. )

Q8: how can we install the machine?
Answer: for some simple machines we will provide you the english operation manual, the operation video

and also we will provide you the online guidance and training to your engineer so you can set up the

machine easily. For some complicated machines, we will send engineer to your country to help installation

and training. But there will be extra cost for Engineer, including the salary, visa cost, round-trip ticket

cost, and accommodation fee will be covered by the buyer.