How to Select Palletizers Key Matching Points for Sheet Size and Stack Weight

Palletizers are installed at the end of blanking lines and play a vital role in material‑receiving processes. Proper palletizer selection directly determines stacking neatness and material‑receiving efficiency. Core requirements lie in matching equipment parameters with sheet dimensions and stack weight. Key points are summarized as follows.

First, match sheet dimensions. The receiving table must accommodate sheets within its effective length and width range. Oversized sheets cannot be placed stably, while an excessively large table wastes floor space. Provide suppliers with maximum sheet length and width for proper receiving‑table sizing. In addition, the lifting stroke of the receiving table shall satisfy required stack height; higher stacks demand longer trolley travel.

Second, match stack weight. Palletizers bear the total weight of full sheet stacks. Calculations shall be based on the maximum total stack weight with sufficient safety margin. Exceeding rated capacity causes heavy load on lifting trolleys and structural deformation, resulting in unstable stacking. Inform suppliers of sheet specifications, single‑sheet weight and stacking quantity for total‑weight calculation and capacity‑grade matching.

Third, select appropriate stacking mode. Two types are available: gravity stacking and magnetic stacking. Gravity stacking uses conveyors to drop sheets onto the trolley by gravity with high speed, suitable for ordinary sheets with low surface‑quality requirements. Magnetic stacking adopts magnetic belts to transfer sheets for superior surface protection, applicable to magnet‑conductive materials and various sheet shapes. Clarify sheet material and surface requirements for supplier recommendation.

Fourth, ensure whole‑line connection. As a downstream unit of blanking lines, the palletizer must coordinate with upstream shearing equipment. Its receiving rhythm shall match sheet‑outfeed speed to avoid material jams and prevent the palletizer from becoming a production bottleneck. Provide upstream shearing speed and output targets to achieve line‑wide takt matching.

Fifth, consider automated auxiliary functions. Automatic trolley changing enables non‑stop continuous production: a full‑loaded trolley moves out while an empty trolley slides in. Stack‑height monitoring triggers alerts upon reaching preset height for timely material transfer. Such functions greatly simplify material‑receiving operations.

In essence, palletizer selection requires matching receiving‑table size, load‑bearing capacity and stacking speed with actual sheets and output demands. Clarify sheet dimensions, stack weight, surface requirements and line takt, and cooperate with experienced suppliers for customized proposals to guarantee smooth material‑receiving performance.

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 palletizers support both gravity stacking and magnetic stacking paired with conventional or magnetic belts. Receiving‑table dimensions, lifting strokes and load capacity can be customized according to customer sheet size, stack weight and stacking height. Equipped with automatic trolley‑change function for continuous production, they are widely deployed at the outlet of blanking lines for automotive, home‑appliance and hardware industries. Nearly 5,000 sets of Ruihui‑manufactured equipment are running 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 practical experience in palletizing equipment.