To encourage the development of distributors and agents, PDKJ will offer a range of preferential policies and support measures
Learn about PDKJ’s laser welding machine warranty and after-sales service policy, including warranty periods, covered components, exclusions, maintenance requirements, operating precautions, and repair procedures. Discover how proper equipment use, routine maintenance, and timely fault reporting help protect your investment and maintain reliable welding performance.
PDKJ will exhibit at CIIF 2026 Shanghai from October 12–16 at Booth 3H-F058, showcasing spot welding machines, laser welding machines, and AI welding robot workstations with live demonstrations and customized welding solutions.
PDKJ celebrated its September employee birthdays with a warm team gathering, reflecting its people-oriented corporate culture while highlighting its commitment to manufacturing spot welding machines, laser welding machines, and automated welding equipment.
Considering welding automation for a small or medium-sized factory? Learn why you should not rush into a robotic laser welding machine. This guide explains how to evaluate production volume, product changeover frequency, workpiece consistency, welding process requirements, equipment utilization, investment costs, factory space, safety requirements, and automation levels before upgrading your welding process. PDKJ is a professional welding machine manufacturer providing handheld laser welding machines, automated welding equipment, robotic laser welding workstations, and customized welding solutions, with free welding process evaluation and free sample testing available.
Which resistance welding machine is suitable for mass production of sheet metal stamping parts? This guide explains how to select resistance welding equipment based on material, thickness, welding points, production cycle, electrode life, welding fixtures, nut welding requirements, and automation. Learn when to consider medium frequency resistance welding machines, multi-point welding systems, dedicated spot welders, and automated resistance welding equipment. PDKJ is a professional welding machine manufacturer providing customized resistance welding solutions, free welding process evaluation, and free sample testing for manufacturers of automotive parts, sheet metal components, hardware products, electrical cabinets, and other stamped metal products.
Learn what configuration an automotive nut projection welding machine needs. This guide explains nut projection welding principles, welding power supplies, transformers, electrodes, pneumatic pressure systems, nut positioning, automatic feeding, multi-station welding, PLC control, safety systems, and sample testing. Discover how to select resistance welding equipment based on nut size, sheet thickness, material, welding points, production cycle, weld strength, and automation requirements. PDKJ is a professional welding machine manufacturer providing medium frequency resistance welding machines, nut projection welding equipment, and customized automated resistance welding solutions, with free welding process evaluation and sample testing available.
PDKJ announces the 2026 Mid-Autumn Festival and National Day holiday schedule, sharing holiday arrangements, employee benefits, customer service reminders, and best wishes to customers, partners, and employees.
PDKJ custom sensor sealing disc welding machine provides automated circumferential seam welding for stainless steel sensor housings, improving welding consistency, production efficiency, and sealing quality for precision manufacturing.
PDKJ is featured at Japan International Welding Show 2026, held from September 16–19 at Tokyo Big Sight. Represented by ENSEI (遠誠株式会社マシン事業部), PDKJ showcases its Platform Style Seamless Laser Welding Machine and promotes its 5-in-1 Handheld Laser Welding Machine. Visit Booth West 1-32 to explore welding equipment and solutions for modern manufacturing.
Planning a custom resistance welding machine project? This guide provides a complete evaluation checklist covering workpiece materials, thickness, welding points, welding process, production cycle, electrode design, welding fixtures, power systems, automation, PLC control, safety protection, sample testing, equipment acceptance, maintenance, and after-sales service. Learn how to evaluate a customized spot welding machine before production, why actual workpiece sample testing is important, and how to determine whether standard or custom resistance welding equipment is suitable for your manufacturing process. PDKJ is a professional welding machine manufacturer providing medium frequency inverter spot welders, capacitor discharge spot welders, AC resistance welding equipment, and customized automated welding solutions.
Spot welding looks simple from the outside. Two electrodes press metal, a short current flows, and a strong joint appears. But the real process depends on heat, pressure, time, and control. In this article, you will learn how a spot welder works and how to choose a better setup.
Small metal joints can decide a product’s strength. A weak weld point can stop a whole line. This is why spot welding matters in modern manufacturing. In this article, you will learn what a spot welder is, how it works, where it is used, and how to choose the right machine.
Spot welding looks simple, but it is not basic. One small weld point can decide product strength, safety, and output quality. If you work with metal parts, spot welding may be one of the fastest ways to join them. In this article, you will learn how it works, where it fits, and how to choose the rig
Stainless steel looks strong, but it hates poor heat control. That is why many shops ask if spot welding can join it well. Yes, it can. In this article, you will learn when it works, what can go wrong, and how the right machine helps.
Can one small weld point hold a part firmly? Yes, if it is done right. Spot welding uses heat, pressure, and timing to join metal sheets. In this guide, you will learn how to prepare parts, set parameters, avoid defects, and choose a suitable machine.
Can aluminum be spot welded? Yes, but it is not forgiving. Aluminum moves heat fast and hides oxide on the surface. In spot welding, small setup changes can change the weld. In this guide, you will learn the right machine, settings, checks, and problems to avoid.
PDKJ customized an automatic four-point linkage welding machine for automotive component manufacturing, designed for shock absorber connecting rod welding. The system integrates automated positioning, clamping, and synchronized four-point welding to improve weld consistency, reduce manual operations and rework, and increase production efficiency.
Learn the technology and working principle of spot welding machines, including welding current, resistance heat, electrode pressure, welding time, weld nugget formation, and cooling. This guide explains how spot welding works, the main types of spot welders, factors affecting weld quality, and how to select the right equipment for different materials, thicknesses, production volumes, and automation requirements. It also compares AC spot welding machines, medium frequency inverter spot welders, and capacitor discharge spot welders, while explaining why actual workpiece sample testing is important before equipment selection. PDKJ is a professional welding machine manufacturer offering resistance spot welding equipment, medium frequency inverter spot welders, capacitor discharge spot welders, and customized automated welding solutions. Free welding process evaluation and sample testing are available to help manufacturers select the right spot welding solution.
PDKJ offers an air-cooled handheld laser welding machine with flexible operation, efficient cooling, and stable welding performance. Limited-time promotion: Buy 2, Get 1 Free.
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The Medium Frequency Resistance Seam Welding Machine is designed for continuous welding of metal containers, cylindrical components, stainless steel tanks, filter housings, automotive parts, and industrial sheet metal products requiring airtight and leak-proof weld seams.
Unlike conventional spot welding, seam welding creates a continuous welded joint by using rotating wheel electrodes that apply pressure and electrical current simultaneously. This process produces strong, uniform, and sealed weld seams that are ideal for products requiring liquid-tight or gas-tight performance.
Powered by advanced medium-frequency inverter technology, the machine delivers stable welding current, reduced heat distortion, and excellent seam consistency. It is widely used in the manufacturing of fuel tanks, water tanks, metal drums, mufflers, filter cartridges, battery housings, and stainless steel containers.
1、Continuous Leak-Proof Weld Seams
Unlike spot welding, which creates individual weld points, seam welding produces a continuous welded joint that improves sealing performance and structural integrity.
The overlapping weld structure helps prevent leakage and is ideal for products that contain liquids, gases, or pressurized media.
Continuous welding significantly increases productivity compared with manual welding methods.
Medium-frequency inverter control ensures stable current output and repeatable welding results throughout long production runs.
Precise heat control minimizes deformation of thin sheet metal products and improves overall appearance quality.
Provides stable DC welding current, improved energy efficiency, and better welding consistency compared with traditional AC welding systems.
The rotating electrode wheel ensures smooth continuous welding while maintaining stable pressure along the entire weld path.
Current, welding speed, and electrode pressure can be adjusted according to different materials and product specifications.
Suitable for mass production environments where productivity and repeatability are critical.
The water-cooling system improves electrode life and supports long-term continuous operation.
Designed for industrial manufacturing environments and continuous production requirements.
Steel Radiator Panels and Oil Heater Radiator Assemblies
The customer manufactures oil-filled electric heater radiators and required continuous, leak-proof welding of radiator panels. Their previous welding process resulted in inconsistent weld seams, occasional oil leakage during pressure testing, and low production efficiency. Manual finishing operations also increased labor costs and production time.
PDKJ specializes in resistance welding equipment and industrial welding automation solutions.
Our equipment is widely used in sheet metal fabrication, automotive manufacturing, energy storage systems, tank production, and industrial processing industries.
1. What is resistance seam welding?
Resistance seam welding is a process that uses rotating wheel electrodes to create a continuous welded seam instead of individual spot welds.
2. Can this machine weld stainless steel tanks?
Yes. It is widely used for welding stainless steel water tanks, storage tanks, and pressure-resistant containers.
3. Is the weld seam leak-proof?
The continuous weld structure is designed to provide excellent airtight and watertight performance when proper welding parameters are used.
4. What materials can be welded?
Carbon steel, stainless steel, galvanized steel, aluminum alloys, and other conductive metal materials.
5. Can cylindrical parts be welded?
Yes. The machine is specifically designed for cylindrical products, containers, drums, and tubular assemblies.
6. What industries commonly use seam welding machines?
Tank manufacturing, automotive components, HVAC equipment, filtration systems, energy storage products, and industrial sheet metal fabrication.
7. What are the advantages of seam welding compared with spot welding?
Seam welding creates continuous sealed joints that provide superior leak resistance and structural integrity for tanks and containers.
If you have any questions or requirements regarding automated welding equipment, please feel free to contact our customer service team.Our professional team will provide you with detailed product information, answer your questions, and tailor the best solution to meet your needs.
Mob:+86-136-3176-5713
E-mail:pdkj@gd-pw.com