Multi-Directional Vise for Stable Pipe Specimen Cutting
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Solution Overview
Problem
Conventional devices struggle to stably fix and cut specimens, especially those with circular outer surfaces like pipes, leading to difficulties in precise cutting and maintaining exact dimensions due to inadequate force control and vibration during cutting, particularly when multiple directions are required.
Innovation Solution
A multi-directional vise device with a first and second body part, jig parts, and a compression part that adjusts the gap between these parts, allowing for stable fixation and guiding cutting in multiple directions using an upper plate with a guide part that rotates to facilitate precise cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fixing means (clamp) are used to fix the specimen, then the specimen can be held in place, but the specimen cannot be fixed stably and firmly, resulting in inability to control force and vibration during cutting
Solution Approach 1:
The vise device is divided into a first body part and a second body part that can move relative to each other. The first body part includes a first clamp for fixing the specimen, while the second body part includes a second clamp and can be moved to apply additional clamping force. This segmentation allows the device to provide both initial fixation and subsequent stable clamping to control vibration during cutting.
Solution Approach 2:
The second body part is designed to be movable relative to the first body part, allowing dynamic adjustment of clamping force. The movable structure enables the operator to apply incremental clamping force to firmly secure the specimen before and during cutting operations, thereby controlling vibration and improving cutting precision.
2Ease of operation
If the specimen is fixed to one position using conventional means, then fixing is simple, but cutting in multiple directions cannot be performed while maintaining exact dimensions and shape of the welded part
Solution Approach 1:
The vise device incorporates multiple clamps (first clamp and second clamp) that can independently adjust and lock the specimen at different positions and orientations. This multi-functional design allows the specimen to be securely fixed for cutting operations in multiple directions (vertical, horizontal, and diagonal) while maintaining exact dimensions and shape of the welded part.
3Ease of manufacture
If manual cutting using hacksaw is performed, then cutting can be done, but it takes a lot of time
Solution Approach 1:
The vise device acts as an intermediary tool that secures the specimen firmly during cutting operations. By providing stable fixation and vibration control, it enables the use of more efficient power cutting tools (such as angle grinders or circular saws) instead of manual hacksaws, thereby significantly increasing cutting speed while maintaining precision.
Data Source
AI summary
A multi-directional vise device is provided, the device comprising: a first body part and a second body part facing each other and spaced apart from each other by a certain gap in a second direction vertical to a first direction while having the first direction, which is a length direction of the specimen, as a reference axis; at least one jig part disposed in each portion of the first body part and the second body part that accommodates the specimen; and a compression part adjusting the gap between the first body part and the second body part, wherein at least one of the first body part and the second body part has at least a portion of its upper side that includes a cut part formed in the second direction.