Stacker Information

What is Stacker

A stacker is a material handling equipment that is used to lift and stack materials, typically pallets or other large, heavy objects. It is designed to increase the efficiency and safety of stacking operations in warehouses, factories, and distribution centers. Stackers can be powered by electricity, propane, or other fuels, and they come in various types and configurations to suit different applications and load requirements.

History of Stacker

The history of stackers can be traced back to the early 20th century when the need for more efficient ways to handle and store materials in industrial settings arose. Initially, simple manual stackers were developed, which relied on human power to lift and stack pallets. As technology advanced and the demand for higher productivity grew, powered stackers were introduced in the mid-20th century. These early powered stackers were often hydraulic or mechanical in nature and provided greater lifting capacity and efficiency. Over the years, stackers have continued to evolve, incorporating advanced features such as computerized controls, safety sensors, and improved ergonomics to meet the changing needs of modern industry.

Purpose of Stacker

• Material Stacking: The primary purpose of a stacker is to stack materials in an organized and efficient manner. It allows for the vertical storage of pallets or other objects, maximizing the use of available space in warehouses and storage facilities. By stacking materials, it reduces the floor space required for storage and makes it easier to manage inventory.


• Lifting and Lowering: Stackers are equipped with lifting mechanisms that can raise and lower materials to the desired height. This is useful for loading and unloading trucks, placing materials on high shelves, or retrieving items from storage racks. The ability to precisely control the height of the load makes it possible to handle materials in a variety of storage and transportation scenarios.


• Load Transportation: In addition to stacking, some stackers can also be used for transporting materials over short distances. They can move pallets from one location to another within a warehouse or factory, facilitating the movement of goods between different workstations or storage areas.


• Improved Safety: Stackers are designed with safety features to protect the operator and the surrounding environment. For example, they may have safety cages, emergency stop buttons, and sensors to detect obstacles or prevent the stacker from tipping over. By using a stacker instead of manual handling, the risk of injuries associated with lifting heavy objects and climbing on ladders or racks is significantly reduced.

Principle of Stacker

Stackers operate on the principle of using a lifting mechanism to raise and lower the load. The most common type of lifting mechanism is the hydraulic system, which uses hydraulic cylinders and pumps to generate the force needed to lift the load. The operator controls the lifting and lowering functions through a control panel or handle. The stacker's frame and mast provide the necessary support and stability for the lifting operation. The wheels or rollers on the stacker allow for easy movement and maneuverability. Some stackers also use a counterweight system to balance the load and prevent tipping. In addition, advanced stackers may incorporate computerized control systems to optimize the lifting and stacking operations and ensure accurate positioning of the load.

Features of Stacker

1. Lifting Capacity: Stackers come in different lifting capacities, ranging from a few hundred kilograms to several tons. The lifting capacity depends on the design and construction of the stacker, as well as the type of lifting mechanism used. It is important to choose a stacker with a sufficient lifting capacity to handle the heaviest loads in your application.
2. Mast Height: The height of the stacker's mast determines the maximum stacking height. Different applications require different mast heights, depending on the height of the storage racks and the size of the materials being stacked. Some stackers have adjustable masts to provide flexibility in handling different load sizes and storage configurations.
3. Forks and Attachments: Stackers are equipped with forks or other attachments for lifting and carrying the load. The forks can be adjusted in width to accommodate different pallet sizes. Some stackers also offer interchangeable attachments, such as clamps or side shifters, for handling non-standard loads or for specialized applications.
4. Maneuverability: Stackers are designed to be highly maneuverable, allowing them to operate in narrow aisles and tight spaces. They have small turning radii and can often be steered easily, either manually or using power steering. This makes it possible to access hard-to-reach areas in a warehouse or factory and move materials quickly and efficiently.