4 Ways Warehouse Industrial Robots Can Maximize Your ROI

In order to maximize your return on investment (ROI) for a robotic system, it is vital that you optimize the tasks that the robot is assigned. If the rate at which the robot handles products does not completely utilize the robot's capabilities, you just might be leaving opportunities on the table. Analyzing the tasks, rates and capabilities can help not only maximize the robotic system but also help reduce the need for ancillary equipment and additional investments, creating a more streamlined operation. Below are the top four most effective and popular ways that you can get the most out of your robotic solution.

1. Pallet Handling

Pallet handling is a common task that can be taken on by a robot, replacing the need for a standalone pallet dispenser or pallet stacker. When palletizing, stacks of empty pallets can be placed within the cell allowing the robot to pick the top pallet from the stack and place it in the load build location. In a depalletizing system, once the load has been completely depleted by the robot, the empty pallet can be picked and placed to a stack of pallets to be removed from the system. Pallet handling is accomplished by having pneumatically actuated forks that are fixtured on the robotic end of arm tool (EoAT). The forks are placed within the voids of the pallet, allowing for the robot to effectively grip and lift the pallet.

2. Sheet Handling

An additional task that can be handled by the robot is sheet handling. Depending on the pallet pattern and load build requirements, a robot can handle the bottom sheet, tier sheet, or top sheet placement with the end of arm tool.

Sheet bins are placed within the robot’s reach envelope. The robot then utilizes vacuum cups on the end of arm tooling to pick and place individual sheets on the load. By integrating this functionality into the robotic EoAT, conventional sheet dispensers can be eliminated from the system.

3. Infeed Conveyor Configurations

Within a palletizing application, the infeed conveyor can be robustly designed to orient cases to form rows. If the necessary pallet patterns require multiple row orientations, this can be achieved by having the robot pick multiple cases and perform multiple drops. However, this method can be time-consuming as the robot will have to reposition itself for the drops. A more time-efficient method to meet this requirement is to utilize a selective turner or a 90-degree transfer with a bump turn mechanism to form the rows. When paired with the row forming conveyor, these pieces of equipment provide the functionality needed to orient cases in both a wide and narrow side leading fashion. This robotic solution consolidates what would otherwise be single picks with multiple drops and also frees the robot to perform other tasks within the system.

4. Tool Changers

The industrial robotic arm is a versatile tool that can be leveraged for several different operations. A tool changer is a fixturing mechanism that is installed on the end of the robotic arm that allows the end of the arm tool to be rapidly swapped for another tool. Tool changers can be configured to be a manual process that requires an operator to switch the tools during a system lockout or as an automatic process that is handled solely by the robot.

Tool changers can significantly diversify the types of products that are handled by the robot. It can also provide an opportunity for a single robot to handle multiple processes with different end of arm tools. For example, within a palletizing application, a robot could accommodate a diverse range of products utilizing a tool changer – a bottom support end of arm tool, and a vacuum style end of arm tool.

The image to the right is a side-cut view of a pneumatically actuated coupling device that allows a robot to change tools on the fly.

Content Credit:- bastiansolutions

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