Adjustable Straightening Rollers for Wire Alignment and Low Wear
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Solution Overview
Problem
Existing drawing and straightening units for elongated metal products face issues with alignment, leading to wear on rollers and ineffective drawing due to non-alignment, and require complex movements to adjust for different wire diameters.
Innovation Solution
A drawing and straightening unit with adjustable second rollers that can rotate independently and move transversely to align precisely with the metal products, reducing wear and stress on the rollers, and allowing for easy adjustment to accommodate various diameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the feed unit is translated laterally to align apertures with grooves when wire diameter changes, then alignment precision is improved, but device complexity increases
Solution Approach 1:
The second rollers are made movable in the transverse direction rather than fixing the entire feed unit. This dynamic adjustment mechanism allows the grooves to be aligned with different wire diameters by translating only the second rollers laterally, maintaining alignment precision while significantly reducing device complexity compared to translating the whole feed unit
Solution Approach 2:
The system is segmented into independently adjustable components: the feed unit with apertures remains fixed, while the second rollers can be individually or collectively adjusted in the transverse direction. This segmentation allows alignment adjustment without moving the entire feed unit, resolving the contradiction between precision and complexity
2Ease of manufacture
If the metal products are fed through fixed grooves, then the drawing process is simple, but wear on the rollers increases due to misalignment
Solution Approach 1:
The second rollers are designed to be movable in the transverse direction, allowing them to dynamically adjust their position to perfectly align with metal products of different diameters. This eliminates misalignment-induced wear on the rollers while maintaining the simplicity of the drawing process, as the adjustment mechanism is straightforward and does not complicate the overall drawing operation
3Adaptability or versatility
If the entire feed unit is translated to accommodate different wire diameters, then adaptability is improved, but ease of operation deteriorates due to complex movement and alignment operations
Solution Approach 1:
Instead of translating the entire feed unit, only the second rollers are made movable in the transverse direction. This localized dynamic adjustment makes the system adaptable to different wire diameters while greatly simplifying the operation, as the adjustment involves moving only the second rollers rather than the entire feed unit assembly
Solution Approach 2:
The adjustment function is segmented and assigned specifically to the second rollers, which can be independently or collectively adjusted in the transverse direction. This segmentation isolates the complex adjustment operation to a small, manageable component, improving ease of operation while maintaining adaptability to different wire diameters
Data Source
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AI summary
Drawing and straightening unit (10) having at least one first roller (12) and at least one second roller (16, 17, 18) opposite said first roller (12) with respect to an axis of feed (X) of said at least one metal product (P). The present invention also concerns an apparatus (100), comprising a feed unit (119) and a drawing and straightening unit (10), and a corresponding method to draw and straighten metal products (P) with said drawing and straightening unit (10).