Front-loading Washing Machine Drum Assembly Line

(Plasma welding type)

Front-loading Washing Machine Drum Assembly Line (Plasma Welding Type) — Utilizing advanced plasma welding technology, this line is specifically engineered for the automated production of inner drums for high-end front-loading washing machines. The complete line integrates core processes such as automated feeding, cylindrical forming, precision welding, and post-weld shaping and inspection, thereby achieving highly efficient and stable continuous production. Compared to traditional welding methods, plasma welding offers distinct advantages—including more uniform weld seams, superior strength, and a smaller heat-affected zone—which effectively enhance the inner drum's leak-tightness and overall product quality. The entire line supports intelligent control systems and customizable configurations, making it ideally suited to meet the high-volume, high-standard production requirements of home appliance manufacturers.

Components and Finished Products Display

Components such as inner drum blanks, balance rings, and plastic bases undergo a series of processes to be assembled into a finished drum.

Production Line Overview

Production Process: Uncoiling & Leveling – Servo Gripper Feeding – Punching of Drainage Holes – Destacking & Stacking – Plasma Welding – Weld Seam Inspection – Expansion Forming – Punching & Drawing of Lifting Rib Mounting Holes – Flanging – Forming – Pre-assembly of Front & Rear Flanges – Spin Riveting – Punching of Tripod Mounting Holes – Tripod Pre-assembly & Countersinking – Tightening of Tripod Screws – Automatic Unloading.

Flow chart

Production Line Parameters

Whether the production line equipment is automated or manual depends on various factors, including the client's specific requirements, cycle time, investment budget, and available facility space. Our projects constitute fully customized, integrated turnkey solutions—encompassing every stage from initial consultation, design, and manufacturing to installation, commissioning, and after-sales support.

Production Cycle Time	≤ 20 seconds/piece
Equipment Failure Rate	≤ 0.5%
Line Changeover Time (Non-Diameter Change)	≤10 min (1 person)
Ambient temperature	-5°C to +50°C
Ambient Humidity	75%–95%
Power Supply Voltage	380V ± 5%, 50Hz

The Three Sections of the Production Line

Stamping Section

The stamping section involves decoiling, straightening, and servo feeding, followed by the actual stamping process performed by a punch press and dies.

Welding Section

Workpieces are transported via transfer lines and robotic manipulators to the welding station; following precision cutting and turnover transfer, plasma welding is performed.

Forming Section

After welding, the process proceeds to expanding, embossing, flanging, piercing of lifter screw holes, and seaming; finally, the finished product is conveyed out via a roller conveyor line. This section incorporates manual pre-assembly tooling, as well as automated feeding systems for the front and rear covers, and for the spiders and screws.