Multi-Core Cable Wire Alignment With Pre-Bending for Flush Tips
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Solution Overview
Problem
Conventional core wire alignment methods using global pitch alignment jigs result in uneven lengths of core wires due to bent tips, leading to alignment issues when cutting for terminal crimping.
Innovation Solution
A core wire alignment apparatus comprising a first grip member, alignment member with comb teeth, and a bending device that forms bent portions to maintain tip alignment, ensuring flush positions of core wire tips through controlled gripping, bending, and alignment processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If core wires are aligned using a global pitch alignment jig, then core wires are secured in a parallel state at a certain pitch, but the tips of core wires become bent and retracted, resulting in uneven lengths among core wires
Solution Approach 1:
The patent applies preliminary action by forming bent portions at the base of core wires before the alignment process. These pre-formed bent portions act as compensation mechanisms that prevent tip retraction during alignment. The bending device creates these bent portions in advance, so when core wires are subsequently aligned in the global pitch alignment jig, the tips remain at uniform positions without bending or retraction.
2Reliability
If core wires are aligned using a global pitch alignment jig, then core wires are held securely, but the alignment process causes tip retraction and bending, leading to length differences among core wires
Solution Approach 1:
The bending device performs preliminary bending of core wires at their bases before alignment. This preliminary action ensures that when the global pitch alignment jig grips the core wires, the pre-formed bent portions prevent any tip retraction or bending that would otherwise occur during the gripping and alignment process, thereby maintaining uniform core wire lengths.
3Ease of manufacture
If core wires are cut along a straight line after alignment, then terminal crimping can be performed, but uneven core wire lengths result from the arched tip alignment
Solution Approach 1:
The bending device creates bent portions at the core wire bases before alignment, which preliminarily compensates for any potential tip retraction. This ensures that after alignment and before cutting, all core wire tips are at substantially the same position, allowing straight-line cutting to produce uniform core wire lengths suitable for terminal crimping.
Data Source
AI summary
A core wire alignment apparatus 10 according to the present invention includes a first grip member 21 gripping a multi-core cable 1 including a plurality of core wires 2; an alignment member 81 including a plurality of comb teeth 81a inserted between the plurality of core wires 2, and a bending device 30 bending the plurality of core wires 2 such that the core wires 2 protrude in a direction crossing an axial direction of the core wires 2 to form bent portions 2a in the plurality of core wires 2. The bending device 30 forms the bent portions 2a between portions of the core wires 2 that are gripped by the first grip member 21 and portions of the core wires 2 into which the comb teeth 81a are inserted. The core wire alignment apparatus 10 performs a bending control of controlling the bending device 30 to form the bent portions 2a in the plurality of core wires 2, and an alignment control of, after the bending control, inserting the plurality of comb teeth 81a between the plurality of core wires 2.