Resistance Welding Machine Manufacturer for Industrial Welding Applications
Haifei designs and manufactures industrial resistance welding machines for manufacturers requiring stable welding quality, high production efficiency and repeatable welding performance.
Our resistance welding solutions include:
- Medium frequency DC spot welding machines
- Projection welding machines
- Seam welding machines
- Precision resistance welding equipment
- Automated welding systems
With customized welding parameters, fixtures and automation integration, Haifei helps customers solve welding challenges for battery components, copper busbars, automotive parts, electrical products and metal assemblies.
Whether you need a standard resistance welder or a customized production solution, our engineering team can evaluate your material, welding structure and production requirements.
Send your product drawing or sample for welding evaluation.
Get Resistance Welding Solution
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What Is a Resistance Welding Machine?
Resistance welding is a process that joins metals by applying electric current through the contact point while applying pressure, generating heat through electrical resistance. No filler material is needed, and welds form in a short cycle with high repeatability and efficiency.
Key Advantages of Resistance Welding
- Fast welding speed, ideal for batch and continuous production
- Consistent weld quality with high repeatability
- Easy integration with automated production lines and robotic systems
- Low energy consumption and cost-effective operation
Types of Resistance Welding Machines
Resistance welding machines are classified based on welding method and application. The most commonly used and mature types in industrial manufacturing are: Spot Welding Machines, Capacitor Welding Machines, and Seam Welding Machines.
Spot Welding Machines
- What Is a Spot Welding Machines?
Spot Welding Machines convert AC power to stable medium-frequency DC output. Compared with traditional AC spot welders, MFDC machines offer better current control, higher weld consistency, and improved energy efficiency.
- Key Features and Advantages
- Stable current output for consistent welds
- Concentrated heat input minimizes workpiece distortion
- Long electrode life reduces maintenance costs
- Ideal for high-strength steel and structural components
- Typical Applications
- Automotive body and structural parts
- Sheet metal fabrication
- Appliance housings and metal brackets
- Recommended Materials
- Carbon steel
- stainless steel
- high-strength steel
Capacitor Welding Machines
- What Is a Capacitor welding machine?
Capacitor welding machine store energy in capacitors and release it in a very short burst to complete the weld. This method minimizes heat-affected zones and ensures precise, controlled welding, making it ideal for delicate or precision components.
- Key Advantages for Precision Welding
- Extremely short welding time with controlled heat input
- Clean welds with minimal spatter
- Low impact on power supply, energy-efficient
- Typical Applications
- Battery tabs and cell interconnects
- Copper, aluminum, nickel, and other conductive metals
- Electronics and precision metal parts
- Why Choose Capacitor Discharge Technology?
For thin sheets and dissimilar metal welding, capacitor welding machines reduce heat distortion and prevent material damage, making them ideal for energy storage and electronics applications.
Seam Welding Machines
- What Is a Seam Welding Machine?
Seam welders use roller electrodes to weld continuously as the workpiece moves, creating a continuous, sealed weld seam. This method is suitable for products that require airtight and structurally strong welds.
- Key Features of Seam Welding
- Continuous weld seam ensures strong seals
- Consistent weld quality over long seams
- Compatible with automated material feeding and control systems
- Typical Applications
- Fuel tanks and water tanks
- Metal containers
- Sealed structural components
- Material Compatibility
- Low-carbon steel, stainless steel
- Galvanized sheets (with proper welding parameter control)
Specifications of Resistance Welding Machine
|
Items \ Model |
Unit |
HFTR-5000 |
HFTR-10000 |
HFTR-15000 |
HFTR-20000 |
HFTR-30000 |
HFTR-45000 |
|
Capacitor volume |
uf |
10000 |
20000 |
30000 |
40000 |
60000 |
90000 |
|
Power supply |
KVA/V/Hz |
10/380/50 |
15/380/50 |
25/380/50 |
30/380/50 |
45/380/50 |
100/380/50 |
|
Rated duty cycle |
% |
50% |
50% |
50% |
50% |
50% |
50% |
|
Primary current Max. |
A |
30 |
60 |
60 |
80 |
100 |
120 |
|
Primary cable |
mm2 |
3*10+2*6 |
3*10+2*6 |
3*16+2*6 |
3*16+2*6 |
3*25+2*6 |
3*35+2*10 |
|
Short-circuit current Max. |
KA |
18 |
38 |
58 |
76 |
100 |
120 |
|
Secondary voltage |
V |
10-12 |
12-14 |
12-14 |
17-19 |
17-19 |
22-25 |
|
Air pressure cylinder |
Ø*L |
Ø160*110 |
Ø160*110 |
Ø200*110 |
Ø320*150 |
Ø320*150 |
Ø320*150 |
|
Working pressure Max. (0.5/10.5MPa) |
KN |
10 |
10 |
15.7 |
40 |
40 |
40 |
|
Working environment |
Temperature: 1～45℃ humidity: 35～90％ |
||||||
Features of Resistance Welding Machine
Similar and dissimilar metals are capable of being welded
Highly automated
Efficient with high production rate and high welding rate
Environment-friendly, produces little waste or pollution
Cost-effective
No need for filler metal or extraneous materials such as rods, fluxes, inert gasses, oxygen, or acetylene are required
How to Choose the Right Resistance Welding Machine
Selecting the right resistance welding machine depends on material properties, product design, production requirements, and power conditions. There is no single machine suitable for all applications.
Material Type and Thickness
- Material conductivity, thermal properties, and melting point determine the welding method.
- Carbon steel, stainless steel, and low-alloy steel typically perform best with Spot Welding Machines, offering strong, consistent welds.
- Highly conductive metals such as copper and aluminum are better suited for capacitor welding machines, which deliver a rapid, concentrated energy pulse.
- Thin sheets or dissimilar metals benefit from capacitor welding machines due to precise heat control.
Welding Quality and Appearance
- Applications requiring clean welds, minimal spatter, and low distortion should use capacitor welding machines.
- Structural components that prioritize strength and repeatability are better suited for spot welders.
- Continuous, airtight structures require seam welding machines to ensure weld integrity.
Production Volume and Cycle Time
- High-volume, continuous production lines benefit from MFDC spot welders or automated seam welding machines.
- Small- or medium-batch production with frequent changeovers may find capacitor welding machines more flexible.
Power Supply Conditions
- Spot welders are energy-efficient but require a stable power supply.
- Capacitor welding machines have low impact on the electrical system, ideal for facilities with limited or unstable power.
Automation and Future Expansion
Consider whether the machine supports automation upgrades, parameter storage, and system expansion to reduce long-term costs.
Why Choose Our Resistance Welding Machines
Our Advantages
Own-factory manufacturing with strict quality control
Reliable performance suitable for continuous industrial operation
Customizable welding solutions for specific applications
Professional technical support and comprehensive after-sales service
Industries We Serve
Automotive manufacturing and parts production
Energy storage and battery production
Metal fabrication and appliance manufacturing
Manufacturing Process
Precautions for Operation of Resistance Welding Machine
Electrical parameters
These refer to the specific settings related to the electric current used in the welding process. They include the magnitude of the current, the welding time, and the waveform characteristics.
Electrode design
This is the construction and configuration of the electrodes used in the welding process. It typically considers the electrode shape, size, material selection, cooling mechanisms, and surface coatings to optimize the weld quality.
Material properties
These include the characteristics of the materials being welded, such as electrical conductivity, thermal conductivity, melting point, hardness, surface condition, and thickness.
Process control
This systematically manages and regulates the welding parameters and variables throughout the operation. It involves monitoring and adjusting current magnitude, welding time, electrode pressure, and cooling time.
Certificate
Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
Packaging & Shipping
FAQ About Resistance Welding Machines
Q: Do you provide custom resistance welding machines?
A: Yes. Haifei provides customized resistance welding machines according to product structure, welding requirements and production targets.
Wuxi Haifei Intelligent Equipment Co., Limited is well-known as one of the leading resistance welding machine manufacturers and suppliers in China. Please rest assured to buy high quality resistance welding machine made in China here from our factory. For price consultation, contact us.
