What are the main advantages of your company?

We have extensive industry experience, professional manufacturing processes, customized development plans, and a strong commitment to quality and sincere service.

What is the operating frequency range of the machine?

The machine operates at frequencies between 1000Hz and 8000Hz, generating powerful secondary current with stable waveforms for uniform weld cores.

Strong Penetration Inverter Medium-Frequency DC Spot Welder for Microwave Oven Casing

Name: Strong Penetration Inverter Medium-Frequency DC Spot Welder for Microwave Oven Casing
Brand: Shenzhen Junjie Intelligent Equipment Ltd., Co.
SKU: 2284446905

Guangdong, ChinaShenzhen Junjie Intelligent Equipment Ltd., Co.

US$4,500.00-5,500.00

1 Piece

Product profile

Customization

Available

Control

Automatic

Cooling Way

Air Cooling

Model NO.

MD-20

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

Key features

High Efficiency Energy Saving: 50% greater energy efficiency than traditional machines with power factor >0.9.

Advanced Inverter Technology: Operating frequency 1000-8000Hz with 1ms rapid response for superior precision.

Versatile Material Welding: Expertly joins aluminum alloy, high-strength steel, and galvanized sheet metal.

Extended Electrode Lifespan: Reduced splashes and peak currents significantly prolong electrode service life.

Stable Constant Current: Maintains consistent parameters despite voltage fluctuations or thickness changes.

Compact Space Saving Design: Compact transformer minimizes footprint and optimizes production floor space.

Professional Customization: Supports full customization and ODM/OEM services for specific functional needs.

Comprehensive Warranty Support: One-year warranty with free technical support and video-guided troubleshooting.

Company profile

Cooperated with Fortune 500Management CertificationProduct CertificationHigh Repeat Buyers Choice

Shenzhen Junjie Intelligent Equipment Ltd., Co.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Full Customization, Minor Customization CertifiedExport Year: 12 Years CertifiedNearest Port: Shenzhen Yantian PortAverage Response Time: ≤0.01h

AI-Powered supplier vetting

SummaryJunjie is a machinery and automation supplier engaged in robots, automation equipment, welding equipment, and mechanical equipment, with related research, production, sales, maintenance, and servicing activities. It reports ISO9001:2015 and CE certifications, written quality-control procedures, 2 inspection staff, 10 testing instruments, and 8 R&D engineers. The supplier offers minor and full customization, has OEM experience with recognized brands, and provides an available SDK. Service management is supported by written procedures and records for supplier capability assessment, corrective and preventive actions, and customer complaints. Evidence also indicates 12 years of export experience and cooperation with Fortune 500 companies. However, no valid manufacturing-capacity contract with affiliated subcontractors, no inventory capacity, no overseas warehouse, and no overseas showroom are reported.

Supplier typeThe supplier’s stated scope covers research, production, sales, installation, maintenance, and servicing of robots, automation equipment, welding equipment, and mechanical equipment. This supports classification as an industrial equipment manufacturer and integrated equipment-service supplier.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity.

After-Sales capabilityThe supplier has written procedures and followed records for handling customer complaints and corrective and preventive actions, while its R&D engineers provide technical support for production and after-sales service. Its stated business scope also includes maintenance and servicing of mechanical equipment and accessories.

R&D capabilityThe supplier reports 8 R&D engineers, with responsibilities covering customer-requirement confirmation, new-product design, and technical support. It also reports an available SDK, OEM capability, and a stated commitment to refining products and processes in response to market and customer needs.

Customization capabilityThe supplier explicitly offers both minor customization and full customization, and reports OEM service for recognized brands. Its R&D engineers are also responsible for designing new products based on customer requests.

Client casesThe supplier reports OEM cooperation with recognized brands and collaboration with Fortune 500 companies. These statements provide evidence of notable customer experience, although no customer names, project details, or performance outcomes are supplied.

Product Q&A

Q:What is the delivery time for standard and custom machines?

Standard machines are delivered within 15 to 20 days, while non-standard customized machines take 60 to 90 days.

Q:Can I test the welding quality before ordering?

Yes, we provide trial welding, videos/photos of the effect, and strength failure test videos. Welded samples can also be mailed upon request.

Q:What after-sales service and warranty do you provide?

We offer a one-year warranty and free technical support. Malfunctions are addressed via video guidance to ensure quick resolution.

Q:Do you accept customization for specific requirements?

Yes, we accept customization. We focus on addressing specific functional requirements to meet your unique needs with customized development plans.

Q:What materials can this spot welder handle?

It excels at joining challenging materials including aluminum alloy, high-strength steel, and galvanized sheet metal, offering superior quality to low-frequency welders.