Features of AGV models and selection guide
In general, AGV products are divided into two categories, one is non-reflector laser forklift AGV, and the other is magnetic navigation AGV cart. The greatest difference between the two kinds of AGV products is the navigation mode. AGV cart adopts magnetic navigation method, which is a marked navigation technology; while the non-reflector laser forklift AGVA adopts AGV unique non-reflector laser navigation technology, which is a non-marked navigation technology.
The main components of the non-reflector laser forklift AGVA are the forklift body, non-reflector laser navigation module, safety module and vehicle control module. The forklift AGV need not lay any auxiliary mark including reflector, magnetic stripe, magnetic nail, two-dimensional code, etc.. By scanning the operating environment of the current forklift AGV with a vehicle laser scanner, the forklift AGV current position can be determined according to SLAM algorithm.
The non-reflector laser independent navigation forklift AGV can be divided into stacking type laser forklift, handling type laser forklift and counterweight type laser forklift according to the structural characteristics of the forklift body. Different specifications of forklift body can be used for each type of forklift according to the load and lifting height, etc.. If the lifting height of materials is high, generally stacking forklift AGV is used; and if the material is heavy, basically it does not need handling type forklift AGV; the difference of counterweight type forklift AGV from the aforesaid two kinds of forklift AGV is that there is no leg at the lower part of the fork, and when there is no space in the lower part of the material such as a “田” type of tray, a counterweight forklift AGV is used.
AGV cart includes motor tractor, latent cart and carrying cart. The tractor type is simple, without division; its main feature is that, when the chassis height of skip car is lower than 300 mm, the AGV cart can drive the cart to operate through the traction system, to complete the specified action; the latent models are most widely used, which can be divided into single-drive one-way latent type, single-drive two-way latent type, and dual-drive two-way latent type according to the number of drives and walking direction. The feature of this type of application is that, when the chassis height of the skip car is higher than 300 mm, a traction mechanism is mounted at the bottom of the skip car. The latent AGV cart arrives at below the skip car, and connects the traction mechanism through a body lift rod, to drive the skip car to work. According to comprehensive judgment of the operating process, site space and material load, single-drive one-way type, single-drive two-way type, or dual-drive two-way is selected. This cart can save space. The carrying cart is most complicated, since the transfer mechanism of a carrying cart can be varied, and appropriate carrying mechanism is selected according to the actual material state. Typical models include roller type, chain type, lift type and platform type. Another feature of AGV is heavy-load carrying type. Several tons of materials can be automatically handled by heavy-load carrying type AGV.
Regardless of non-reflector laser forklift AGV or AGV cart, the selection should consider the customer on-site skip car or the tray type and size, space, aisle width, material load, workflow, docking plane height, etc.. The selection of AGV should fully consider the application environment. AGV’s engineers will give recommendation of models after a comprehensive assessment of the application environments.