Programmable Actuators for Custom Thermoformed Packaging Cavities
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Solution Overview
Problem
In modern fulfillment centers, selecting appropriate containers and dunnage for packaging items is inefficient, leading to increased costs and risks of damage due to either excessive or insufficient dunnage, and results in unnecessary weight and waste, as well as customer disposal challenges.
Innovation Solution
A system that uses thermoformed cavities fabricated by programmable linear actuators within thermoplastic materials, customizing cavity dimensions based on item dimensions to optimize packaging space and reduce dunnage needs, while incorporating sensors and robotic arms for precise item handling and labeling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If nominally sized containers are used to package items with varying dimensions, then container selection is simplified, but packaging space is wasted and dunnage requirements increase
Solution Approach 1:
The system dynamically adjusts container size and dunnage requirements by using programmable linear actuators to fabricate custom cavity dimensions based on real-time item measurements, transforming the static container selection process into a dynamic, adaptive system that optimizes packaging for each item
Solution Approach 2:
The invention changes the dimensional parameters of the packaging cavity by using programmable linear actuators to extend or retract and form cavities of varying sizes within thermoplastic material, allowing the container to precisely match item dimensions and eliminate wasted packaging space
2Reliability
If excessive dunnage is selected to protect items, then damage risk is reduced, but container weight increases and costs rise
Solution Approach 1:
The system applies local quality by providing dunnage only in specific locations where protection is actually needed, rather than uniformly throughout the container. The programmable linear actuators create cavities that conform to item shape, placing protective material only in areas requiring protection and eliminating unnecessary dunnage weight
Solution Approach 2:
The packaging system performs self-service by automatically measuring item dimensions and programmatically adjusting cavity size and dunnage placement without manual intervention, optimizing the balance between protection and weight through automated decision-making
3Weight of moving object
If insufficient dunnage is used to reduce weight, then container weight decreases, but item damage risk increases
Solution Approach 1:
The system performs preliminary action by pre-measuring item dimensions and pre-calculating the optimal cavity size and dunnage placement before packaging begins. This advance preparation ensures that sufficient protection is built into the package design from the start, eliminating the need for excessive dunnage while maintaining adequate protection
4Loss of substance
If custom-sized containers are fabricated for each item, then packaging space is optimized, but manufacturing complexity increases
Solution Approach 1:
The invention achieves universality by using a single programmable linear actuator system that can fabricate any cavity size within its range. This multi-functional system replaces the need for multiple fixed-size container types, optimizing packaging space while managing complexity through a unified, reconfigurable platform
Solution Approach 2:
The system substitutes traditional mechanical container assembly with a programmable actuator-based fabrication process. Instead of manually selecting and assembling pre-made containers, the system uses automated linear actuators to directly form custom cavities, reducing labor complexity while achieving optimal packaging fit
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach reduces packaging material usage, minimizes damage risks, and streamlines the packaging process by providing tailored cavities for items, thereby lowering costs and enhancing delivery efficiency.
Implementation Method 1
A thermoplastic material is heated to a temperature above a melting point of the thermoplastic material
Implementation Method 2
The thermoplastic material is cooled to a temperature below a solidification point of the thermoplastic material
Data Source
AI summary
An actuator system for fabricating a cavity within thermoplastic material includes a plurality of actuators arranged in an array. When dimensions of an item are determined, the actuator system may be programmed with data regarding such dimensions to fabricate a cavity for the item. A subset of the actuators, and distances by which each of the actuators is to be extended, may be selected based on dimensions of the item, in order to fabricate a cavity within the thermoplastic material that may accommodate the item therein. Additionally, the actuators and the distances may be selected based on intrinsic or extrinsic data regarding the item, and a cavity fabricated within the thermoplastic material may include one or more buffer zones or protective regions that are specifically formed with respect to aspects of the item.