![]() Next, you have to consider how the two different types of guidance can affect your operation. Wire guidance systems tend to be more expensive to install for both the sensors and equipment added to the forklift and for the wires and electrical installation at your facility. Pricing between the two different systems can vary greatly, especially depending upon the size of your fleet and your warehouse. Wire guidance systems allow the operator to relinquish steering control when the system is active within the aisle, allowing operators to focus more on travel and lift, which can further increase productivity.Ī number of factors can affect your decision about the guidance system you want to purchase. Similar to rail guidance, wire guidance can be used in any aisle type, but is most commonly found in narrow and very narrow aisle applications. This is helpful in certain situations where travel within the confines of the wire limits the forklift’s ability to travel based on the product they are picking and the aisle in which they are operating. One advantage of wire guidance systems is that the operator can turn off the guidance system when needed to allow for travel outside of the confines of the wire. Some wire guidance settings are configurable, such as end-of-aisle slowdown and travel speed that can be set based on your application’s needs. Travel of the order picker becomes limited to the set confines of the wire’s physical location in the ground. The VNA lift trucks have sensors that detect the guidewire and the forklift follows the wire’s path. Wire guidance is a control system for VNA (also known as Very Narrow Aisle) forklifts by helping steer them with a powered guidewire buried underneath the ground. In some cases, the rails actually need to be built into the rack depending on the aisle width and available space between the front face of the rack and the rail. The configuration should also cause minimal hindrances to their ability to travel and pick product. Since every application varies, it is important to configure the rails and guide rollers appropriately so that operators can work productively and safely within each aisle. Many advanced systems, such as Toyota’s double rail guidance option with auto-center steering have one unique guide roller with a sensor switch that, when contacted, automatically centers the drive tire, enabling the order picker to continue straight through the rest of the aisle. Guide rollers installed on both sides of the order picker allow the forklift to contact the rails on each side and continue to travel down the aisle, potentially minimizing damage to the racking, product, and the order picker. ![]() Physical rails need to be installed into the ground in front of the racking to set the path on which the forklift runs. Rail guidance systems include mounted guide rollers and physical rails within the aisles to help VNA (Very Narrow Aisle) forklifts navigate through aisles.
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