High Efficiency DC Medium

• Overview
• Product Description
• Specification
• Detailed Pictures
• Company Profile
• FAQ

Overview

Basic Info.

Model NO.	MD-60
Style	Fixed
Electrode Stroke	100mm
Electric Current	DC Shock Wave
Transmission	Hydraulic
Conductive Way	Both-Sided
Welding Spot Number	Multiple
Type	Universal
Rated Capacity	60 (kVA)
Output Frequency	2000 (Hz)
External Power Source	91 (a)
Maximum Short Current	20000 (a)
Duty Cycle	50 (%)
Secondary Voltage	9 (V)
Electrode Pressure	6280 (N)
Cooling Water Flow	12 (L/Min)
Transport Package	Wooden Case
Specification	Standard Specifications or Customized
Trademark	JUNJIE
Origin	Shenzhen, China
Production Capacity	800 Pieces/Year

Product Description

Product DescriptionMEDIUM-FREQUENCY INVERTER DC SPOT WELDING MACHINE

Our Medium-Frequency Inverter DC Spot Welding Machine represents the cutting edge of resistance welding technology, delivering unparalleled precision and efficiency for modern manufacturing.

Engineered with advanced inverter technology operating at frequencies between 1000Hz and 8000Hz, this industrial spot welder provides superior welding quality with 1ms rapid response time and exceptional energy efficiency.

Designed for automotive manufacturing, aerospace applications, and heavy-duty industrial production, our MFDC spot welder excels at joining challenging materials, including aluminum alloy, high-strength steel, and galvanized sheet metal.Specification

Model	Rated Capacity(KVA)	Output Frequency(Hz)	External Power Source	Primary Current (A)	Maximum Short Current(A)	Duty Cycle(%)	Secondary Voltage(V)	Electrode Pressure(N)	Electrode Stroke(mm)
MD-20	60	2000	3*380	91	20000	50	9	6280	100
MD-40	120	2000	3*380	182	40000	50	9	6280	100
MD-60	180	2000	3*380	273	60000	50	9	9800	100
MD-80	240	2000	3*380	365	80000	50	9	9800/14000	100
MD-100	300	2000	3*380	456	100000	50	9	9800/14000	100

Detailed PicturesSUPERIOR HIGH-FREQUENCY PERFORMANCE

Operating at frequencies ranging from 1000Hz to 8000Hz, our medium-frequency spot welding machine generates powerful secondary current output with straight, stable waveforms. This high-frequency operation produces uniform weld cores with minimal spatter and smooth current rise during the initial welding stage, resulting in excellent surface quality and structural integrity of each weld point.

EXCEPTIONAL MATERIAL VERSATILITY

Tackle the most challenging welding applications with confidence. This inverter spot welder handles materials with high thermal conductivity and poor weldability, including aluminum alloys, with ease. The welding quality for galvanized sheets and multi-layer plates significantly surpasses that of low-frequency welding machines, making it a versatile solution for diverse manufacturing needs.COMPACT & ENERGY-EFFICIENT DESIGN

Featuring a compact transformer with minimal footprint and low input power requirements, our machine optimizes your production floor space. The balanced three-phase load achieves a power factor exceeding 0.9, delivering approximately 50% greater energy efficiency than traditional industrial frequency spot welding machines, substantially reducing your electricity costs.

EXTENDED SERVICE LIFE & REDUCED OPERATING COSTS

The absence of obvious peak currents and splashes not only shortens welding cycle time but also significantly prolongs electrode lifespan. This superior auxiliary material utilization rate translates to lower consumable costs, reduced maintenance downtime, and improved overall equipment effectiveness for your production line.STABLE OUTPUT WITH CONSTANT CURRENT TECHNOLOGY

Our advanced constant current control system maintains consistent welding parameters throughout the entire welding process, eliminating variations caused by voltage fluctuations or material thickness changes. This ensures every weld meets your quality standards, reducing defect rates and rework costs while improving production efficiency.

Company Profile

FAQQ1: Why choose us? What's our advantage?
Answer: We have extensive experience in the welding industry. Product advantages: Professional manufacturing process, customized development plan, quality guarantee without worries.
We pay more attention to product quality and sincere service.
Q2: Can customization be accepted?
Answer: YES, We focus on addressing the specific functional requirements of different clients, in order to meet your needs.
Q3: How to ensure delivery time?
Answer: Our standard models always have a fixed stock every month. The non-standard customized machines have a professional design team. They can efficiently complete the connection process. There is a mature operation system from design to production, assembly, and shipment, with dedicated personnel responsible for following up at each stage to ensure that the products are shipped within the specified delivery period.
Q4: How long will it take for the product to be delivered?
Answer: The delivery time for standard machines is within 15 to 20 days, while for non-standard customized machines, it is within 60 to 90 days.
Q5: Can I take a sample?
Answer: Yes, we can conduct a trial welding for your product, and then send you videos and photos for you to review the welding effect. We will also provide a video of the welding strength failure test. If you have any requirements, we can also mail the welded products to you according to your needs.
Q6: How to ensure after-sales service?
Answer: We offer a one-year warranty for the equipment and provide free technical support. In case of any malfunction, we can guide you through the solution via video.