Flow Rack-Haote logistics equipment

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Flow Rack

Also known as a sliding rack, it belongs to the light to medium-duty high-density storage rack category. It uses flow rails as the core load-bearing component, allowing goods to slide along the flow rails by their own weight or external force. It is suitable for manual picking or small equipment-assisted operations. The load-bearing capacity of a single layer is generally between 100 and 500 kg, and the rack height is usually no more than 2.5 meters.

Function

Primarily used for storing small to medium-sized, multi-variety, and frequently picked goods, it is commonly found in material storage areas next to production lines and in e-commerce order picking areas. It enables rapid replenishment and picking of goods and is suitable for "goods-to-person" operation modes.

Advantages

High picking efficiency, goods can be picked in a "first-in, first-out" manner, with a spacious picking area suitable for order splitting operations;

Space utilization rate is 30%-50% higher than ordinary shelving, reducing aisle occupancy;

Simple structure, easy assembly and disassembly, flexible adjustment of layer spacing, and low maintenance costs.

Structure

The middle beam of the B-type duct is smooth

The main body consists of columns, beams, flow rails, guide rails, and stop devices; the flow rails are installed at a 3°-5° angle on the beams, and supports can be added at the bottom to enhance stability; goods are carried by turnover boxes and parts boxes, sliding along the flow rails towards the picking end, with stops at the end to prevent goods from falling.

Fluency bar

Middle B flow rack partition

The rear beam of the B-type flow frame

Application Industries And Scope

Due to its simple structure, strong versatility, easy assembly, and low implementation cost, warehouse pallet shelves are the most commonly used storage system. They are particularly suitable for the following situations:

Flow rack applications

Widely used in e-commerce logistics, electronics manufacturing, hardware tools, auto parts and other industries; suitable for storing frequently broken-up goods such as electronic components, small hardware parts, e-commerce parcels, and production line consumables.

FAQs

Which side should replenishment of a flow rack begin from? Will replenishment affect picking operations?

Replenishment should be done from the high end of the shelving (inbound end), while picking should be done from the low end (outbound end). The two operations should be separated and not interfere with each other. If the shelving is double-sided (with picking ends on both sides), a replenishment aisle should be set up in the middle. When replenishing, goods should be added to the shelves on both sides through the aisle without affecting the picking operations on both sides. This is suitable for high-frequency replenishment scenarios.

What is the maximum shelf length for flow racks? Will excessive length affect their usability?

The maximum length of a standard shelf (flow ramp) is 3m. If a longer shelf (3-4m) is required, a support point must be added in the middle. Excessive length will cause the flow ramp to bend and deform, making it difficult for goods to slide smoothly, and may even cause jamming or tilting. Therefore, it is recommended that the length of a single flow ramp not exceed 3m. Extra-long goods can be arranged in a double-row side-by-side layout.

Are flow racks suitable for "goods-to-person" picking models? How can they be integrated with picking equipment?

It is ideally suited for use in the "goods-to-person" picking model and is one of the core pieces of equipment. It can be used in conjunction with conveyor belts and AGVs: goods slide to the picking end via a flow rail, and picking personnel complete the picking at fixed workstations. Empty boxes are returned to the replenishment end via a return flow rail. It can also be linked with an electronic tag system to display the quantity and location of goods to be picked, thereby improving picking efficiency.

Can the sliding speed of goods on a flow rack be adjusted? How can we prevent goods from sliding down too quickly?

It can be adjusted in two ways: ① Adjust the tilt angle of the shelf (fine-tuning within the range of 3-5°). The smaller the angle, the slower the speed. At the same time, a stop device must be installed at the end of the shelf to prevent goods from falling due to impact.

What materials are available for the flow rails of gravity flow racks? What environments are they suitable for?

There are three main materials for gravity flow strips: ① Plastic gravity flow strips (ABS/PP): suitable for light goods (≤200kg/layer) and non-corrosive environments, such as electronic components and small e-commerce items; ② Steel gravity flow strips: suitable for medium-sized goods (200-1000kg/layer) and scenarios with high wear resistance requirements, such as automotive parts and hardware tools; ③ Stainless steel gravity flow strips: suitable for humid and corrosive environments (such as cold storage and chemical warehouses), with strong rust resistance, but slightly higher cost.

Case Studies

Vorwerk

A leading automotive chassis and suspension system expert under the German Fowler Group, founded in 1827, with a factory in Suzhou serving major global automakers. Specializing in the R&D and production of precision suspension components, its clients include Audi, BMW, BYD, and other manufacturers of both gasoline and new energy vehicles.

Shock absorbers, springs, stabilizer bars, suspension connectors, NVH vibration absorbers, body transition components, ventilation/fluid delivery pipes, gear components, and also supplying rubber and plastic molded parts for the home appliance and electronics industries.