Multi‑Press Tandem Stamping‑Line Solution with Gantry Transfer Manipulators for Home‑Appliance Sheet‑Metal Parts

Home‑appliance sheet‑metal components such as housings, panels and structural parts feature large‑batch output and relatively regular geometries. Multi‑press tandem layouts with gantry transfer manipulators represent a mature automation solution for such stamping production.

In this system, multiple presses are arranged linearly in process sequence, with each press completing one stamping operation. Gantry transfer manipulators are deployed between adjacent presses for part pick‑up and delivery. Upstream feeding equipment supplies blanks to the first press, while downstream receiving equipment collects finished products, enabling fully‑automatic end‑to‑end production.

Acting as inter‑press material handlers, gantry transfer manipulators mainly perform horizontal translation and vertical lifting motions. After one press finishes stamping, the manipulator retrieves the workpiece from the die cavity, transfers it to the next press, places the part and retreats to a safe zone before the subsequent press initiates its stroke. Continuous pick‑transfer‑place cycles sustain uninterrupted line operation.

This configuration fits home‑appliance sheet‑metal well. Regular‑shaped workpieces require little complex posture adjustment. Thanks to simplified mechanical construction with few moving components, the manipulator achieves fast acceleration & deceleration and high transfer speed to satisfy high‑volume‑production capacity demands.

Key design points include properly‑rated payload with safety margin covering workpiece plus gripper weight; sufficient stroke to span press‑to‑press distance and pick‑and‑place range; cycle‑time simulation to verify takt compliance; and customized quick‑change grippers. Vacuum suckers are commonly adopted for flat panels, with quantity and layout optimized for part geometry. To accommodate diverse product specifications, fast program adjustment, quick‑change grippers and standardized die‑swap procedures reduce change‑over duration for mixed‑spec production.

Manpower requirement is greatly reduced. Conventional manual tandem lines required operators stationed between every pair of presses. After automation, only one or two operators supervise the whole line. Labor intensity drops, throughput rises, product consistency improves and workplace safety is enhanced.

To sum up, this proven solution automates inter‑press workpiece conveyance. Multiple presses execute separate stamping processes while gantry manipulators deliver fast part transfer for high‑efficiency home‑appliance sheet‑metal manufacturing.

Guangdong Ruihui Intelligent Technology Co., Ltd. has over 20‑year experience in stamping automation and is a national Specialized, Refined, Differential and Innovative “Little Giant” enterprise. Headquartered in Dongguan, it has more than 400 employees including over 80 R&D engineers. Ruihui supplies integrated tandem‑line solutions for home‑appliance sheet‑metal production. Servo‑driven gantry manipulators with high‑precision linear guides realize high running speed and positioning accuracy. Stroke is customized according to press spacing, and quick‑change grippers are tailored for part profiles. Well‑tuned press‑timing synchronization and safety interlocks are implemented for complete turn‑key projects from feeding to finished‑part collection. Nearly 5,000 sets of Ruihui‑manufactured equipment operate at domestic and overseas customer sites, serving well‑known OEMs and Tier‑one suppliers such as BYD, Geely, Volkswagen, Tesla, BMW, Mercedes‑Benz, Honda and Jaguar Land Rover, with rich experience in home‑appliance stamping applications.