Modular Sheet-Metal Shipping Base With Replaceable Panels
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Solution Overview
Problem
Existing shipping bases, particularly wooden pallets, are costly to repair, dispose of, and incur high logistics costs, while alternatives like plastic and metal bases are expensive and often not returnable, posing challenges in international shipping due to pest and parasite concerns.
Innovation Solution
A modular shipping base formed from stamped sheet materials with replaceable components, using a tab system for assembly and attachment, allowing quick and cost-effective repairs by replacing damaged parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If wooden pallets are used as shipping bases, then they are the least expensive and easiest to manufacture, but they are considered disposable with high disposal and logistics costs
Solution Approach 1:
The shipping base is divided into multiple modular components including side walls, end walls, floor panels, and roof panels that can be separately manufactured and assembled. This segmentation enables selective replacement of damaged components without discarding the entire structure, reducing disposal costs while maintaining ease of manufacture through standardized panel production
Solution Approach 2:
The modular design allows damaged panels to be discarded and replaced while recovering and reusing intact panels from the same or different shipping bases. This selective recovery approach reduces overall disposal costs compared to replacing entire wooden pallets, while the standardized panel design keeps manufacturing costs low
2Loss of substance
If injection molded plastic bases are used, then they are more expensive to produce but intended to be reused and returned, reducing disposal costs
Solution Approach 1:
Instead of using a monolithic injection molded plastic base, the design segments the structure into separate metal panels connected by corner assemblies. This segmentation enables easier repair and component replacement while maintaining the reusability and returnability needed to reduce disposal costs, avoiding the need for expensive fully welded fabricated metal bases
3Loss of substance
If fabricated metal bases are used, then they are the most expensive but can be repaired by cutting and welding, reducing disposal costs
Solution Approach 1:
The metal shipping base is segmented into separate panels connected by corner assemblies rather than being a fully welded construction. This segmentation simplifies repairs to basic panel replacement or corner assembly replacement, reducing the complexity and cost of maintenance while maintaining the durability and returnability needed to justify the higher manufacturing cost
Solution Approach 2:
The corner assemblies are extracted as separate, replaceable components from the main panel structure. This extraction allows damaged corners to be replaced independently without affecting the entire base structure, reducing repair costs and improving ease of manufacture compared to fully welded metal bases where any damage requires complex cutting and welding operations
4Reliability
If wooden pallets are repaired, then they can be reused, but the logistics and labor costs associated with repair exceed the cost of replacing with a new pallet
Solution Approach 1:
The pallet structure is segmented into modular panels and corner assemblies that can be independently replaced. This segmentation enables quick panel swaps without complex repair operations, reducing repair time and labor costs to below the threshold of replacing entire new pallets, thereby improving reusability
Solution Approach 2:
Individual panels and corner assemblies are designed as inexpensive, easily replaceable components compared to the entire pallet structure. When damage occurs, these disposable-like components can be quickly replaced with minimal labor and logistics costs, making the overall pallet system more reliable and reusable without incurring high repair expenses
5Object-affected harmful factors
If treated wood pallets are used for international shipping, then they meet pest and parasite requirements, but they are still considered single-use and costly to return
Solution Approach 1:
The shipping base is segmented into modular metal components that can be easily assembled and disassembled. This segmentation enables efficient packing and unpacking operations, reducing the time and space required for return shipping. The metal construction naturally resists pest and parasite infestation, meeting international shipping requirements while the modular design makes return logistics more economical compared to treating and returning wooden pallets
Data Source
AI summary
A re-usable, returnable, stackable, modular shipping base that incorporates replaceable components to make the base relatively quick and cost effective to repair. The shipping base is formed from a number of stamped or cut sheet materials (e.g., sheet metal) that are then folded and attached to one another using a tab system. When a component is damaged, the damaged component may be removed from the base and replaced with another mass produced, stamped sheet material component. Components are attached to one another via adhesive, rivets, stitch welding, spot welding, or any other applicable process.