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.
| Availability: | |
|---|---|
| Quantity: | |
The PDKJ Long Arm Resistance Spot Welding Machine is specially designed for welding large and deep-position metal workpieces that are difficult to process using conventional spot welding equipment. With its extended throat structure, the machine allows operators to reach welding areas inside large assemblies while maintaining stable pressure and consistent welding quality.
The machine provides reliable performance for sheet metal fabrication, hardware processing, cabinet manufacturing, automotive components, and industrial metal products.
Its robust mechanical structure and precision welding control system ensure high efficiency, reduced deformation, and excellent weld consistency in continuous production environments.
The long arm structure increases welding reach and allows access to deep internal welding positions.
Advanced welding control technology provides consistent current output and minimizes weld defects.
Heavy-duty frame construction improves stability during long production cycles.
PDKJ supports customization of arm length, electrode spacing, welding pressure, and fixtures according to customer requirements.
Optimized welding cycles increase productivity while reducing operating costs.
Humanized control interface allows quick parameter adjustment and convenient maintenance.
PDKJ Long Arm Resistance Spot Welding Machine is widely used in:
A cabinet manufacturing customer required welding deep internal positions of large enclosure structures. Traditional welding equipment could not reach the target area efficiently.
PDKJ developed a customized long-arm resistance spot welding solution with an extended throat depth configuration.
Results achieved:
√ Production efficiency increased by 35%
√ Manual adjustment time reduced by 40%
√ Product consistency improved significantly
√ Reduced secondary processing costs
Q1: What is throat depth in a spot welding machine?
Throat depth refers to the distance between the electrode center and the machine body, determining how far the welding area can be reached.
Q2: Why choose a long arm spot welding machine?
Long arm designs allow welding of large or deep-position workpieces that standard machines cannot easily process.
Q3: Which materials can this machine weld?
The machine can weld carbon steel, stainless steel, galvanized steel, aluminum, and other metal materials.
Can PDKJ customize the machine structure?
Yes. PDKJ provides customized arm length, fixtures, electrode configuration, and welding parameters.
Q5: Is operator training required?
The machine uses a simple control system and operators can quickly learn standard procedures.
The company possesses an experienced R&D team capable of designing and manufacturing a wide range of resistance welding machines tailored to customer requirements.
Need a Customized Welding Solution?
PDKJ provides professional resistance welding equipment and customized industrial welding solutions for various manufacturing applications.
Mob:+86-136-3176-5713
E-mail:pdkj@gd-pw.com