Variable Roller Spacing in Multi-Wire Frames for Stone Slab Precision
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Solution Overview
Problem
Existing multi-wire frames for cutting stone blocks into slabs face challenges in maintaining precise cuts when dealing with blocks of varying lengths, as the distance between wire-guiding rollers is fixed, leading to suboptimal alignment and precision issues, especially with blocks shorter than the roller distance.
Innovation Solution
A motorized and adjustable multi-wire frame with movement means for adjusting the distance between wire-guiding rollers, allowing for automatic adaptation to the length of the block being cut, ensuring the diamond wires remain aligned and straight, using a mechanism with gear motors and racks to precisely position the rollers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the distance between wire-guiding rollers is fixed to be slightly greater than the maximum block length, then long blocks can be cut with precise alignment, but short blocks cannot be cut precisely because the wires are not adequately guided
Solution Approach 1:
The patent applies the dynamics principle by making the distance between wire-guiding rollers adjustable rather than fixed. The movement means (motorized or manual) allow the rollers to be repositioned along the columns to match different block lengths, enabling precise wire guidance for both short and long blocks. This transforms a static system into a dynamic one that adapts to varying cutting requirements.
Solution Approach 2:
The patent implements parameter changes by allowing the distance between wire-guiding rollers to be modified based on the block length. The system can adjust this critical parameter to optimize wire alignment and cutting precision for different block sizes, thereby resolving the contradiction between fixed-distance precision and variable-length adaptability.
2Manufacturing precision
If multiple machines with different roller distances are used to cut blocks of varying lengths precisely, then cutting precision is maintained for all block sizes, but the device complexity and maintenance costs increase significantly
Solution Approach 1:
The patent applies universality by designing a single multi-wire frame machine that can handle blocks of varying lengths through adjustable wire-guiding rollers. This multi-functional capability eliminates the need for multiple specialized machines, reducing device complexity while maintaining cutting precision across different block sizes.
Solution Approach 2:
By incorporating movement means that allow dynamic adjustment of roller positions, the single machine can adapt to different block lengths, replacing the need for multiple fixed-configuration machines. This dynamic adaptability reduces overall system complexity and maintenance requirements.
3Adaptability or versatility
If the wire-guiding rollers are positioned far from the block, then the machine can accommodate longer blocks, but the wires become misaligned and cutting precision deteriorates for shorter blocks
Solution Approach 1:
The patent resolves this contradiction by enabling dynamic repositioning of wire-guiding rollers. The movement means allow the rollers to be moved closer to shorter blocks and farther from longer blocks, maintaining optimal wire alignment and cutting precision across the full range of block lengths.
Solution Approach 2:
The system changes the position parameter of wire-guiding rollers based on block length requirements. This parameter adjustment ensures that the distance between rollers and blocks is optimized for each cutting operation, maintaining wire alignment precision while accommodating varying block sizes.
Data Source
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AI summary
A multi-wire frame (12) for cutting blocks of stone material comprises two columns (14, 16) each of which is provided with a slide (18, 20) designed to move along the respective column (14, 16). At least one multi-groove drum (22, 24) is provided on each slide (18, 20). The multi-groove drums (22, 24) are designed to engage with a plurality of cutting wires which extend between the two slides (18, 20). The multi-wire frame (12) is provided with two wire -guiding rollers (26, 28) designed to guide the wires along the cutting section. The multi-groove frame is characterized in that it comprises means for adjusting the distance between the wire -guiding rollers (26, 28).