Core Corrector for Deformed Strapping Rolls
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Solution Overview
Problem
Deformed cores of package strapping material, caused by shipping damage, cannot be used with strapping dispensers, leading to waste or alternative uses.
Innovation Solution
A core corrector apparatus with arcuate sides, slides, and a linear expansion means, including a quick expansion member, to correct deformed cores by expanding the apparatus to fit and reshape the core.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If the core is made of corrugated material for lightweight and cost-effective packaging, then the core becomes susceptible to deformation during shipping, but using heavier or more rigid materials would increase cost and weight
Solution Approach 1:
The core corrector apparatus is designed to restore the core to its proper circular shape before the strapping material is dispensed. By performing the correction action in advance, the system prevents waste of strapping material that would occur if deformed cores were discarded or used as-is.
Solution Approach 2:
The core corrector acts as an intermediary device between the shipped core and the strapping dispenser. It provides the necessary correction function, allowing the core to be restored without changing the core material itself or requiring heavier protective packaging during shipping.
2Reliability
If deformed cores are discarded to ensure proper operation of strapping dispensers, then equipment reliability is maintained, but material waste increases
Solution Approach 1:
The core corrector enables the core to serve itself by providing the correction function that would otherwise be needed to discard and replace it. The apparatus allows the deformed core to restore its own shape, making the strapping material usable again and eliminating waste.
3Shape
If a complex correction mechanism is used to restore deformed cores, then core shape recovery is improved, but device complexity increases
Solution Approach 1:
The core corrector utilizes arcuate (curved) sides that match the circular geometry of the core. This geometric approach allows the apparatus to restore the core's circular shape through simple expansion and contraction movements, avoiding the need for complex multi-axis or multi-step correction mechanisms.
Solution Approach 2:
The core corrector employs movable arcuate sides that can expand and contract dynamically. This dynamic structure allows the apparatus to adapt to deformed cores and apply corrective force through simple linear motion, rather than requiring complex mechanical systems with multiple degrees of freedom.
Data Source
AI summary
A strapping core corrector comprising a first arcuate side, a second arcuate side, at least open slide coupled therebetween, and a linear expansion member is provided. The first arcuate side and the second arcuate side include a flange and a collar disposed substantially perpendicular to one another. The at least one slide is coupled to an end of the first arcuate side and the second arcuate side. The linear expansion member is coupled to the first arcuate side and the second arcuate side and it configured to expand the first arcuate side and the second arcuate side to correct a deformed core of a roll of strapping.