Rotatable Marking Tool for Sheet Metal Bend Alignment
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Solution Overview
Problem
In the building industry, sheet metal cladding on wooden members often fails to properly cover the members due to misalignment with the bend line of the bending brake, leading to improper coverage and installation.
Innovation Solution
A tool with a rotatable scale and cross member is used to accurately mark sheet metal for bending, featuring multiple faces with marking stations for cut, first bend, and second bend locations, ensuring precise alignment and bending to form U-shaped pieces that can be securely placed around wooden members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual marking methods are used for sheet metal, then the marking process is simple and quick, but the alignment precision with the bending brake is poor
Solution Approach 1:
The marking tool performs preliminary marking actions on the sheet metal before bending, establishing precise reference points and lines that guide subsequent bending operations. The tool pre-defines the exact locations where bends should occur, ensuring alignment with the bending brake's bend line.
Solution Approach 2:
The patent introduces a marking tool as an intermediary device between the sheet metal and the bending brake. This tool includes a scale with multiple faces and marking stations that transfer precise alignment information to the sheet metal, acting as a mediator that ensures accurate positioning before the bending operation.
2Manufacturing precision
If the sheet metal is not properly aligned with the bend line, then the marking process is fast, but the coverage of wooden members is improper
Solution Approach 1:
The marking tool is designed with multiple faces, each containing marking stations for different wooden member sizes (2x4, 4x4, etc.). This multi-functionality allows a single tool to handle various cladding applications, ensuring precise coverage for different member dimensions without requiring multiple specialized tools.
Solution Approach 2:
The tool enables preliminary marking of multiple bend lines and cut lines in one setup, allowing the operator to quickly establish all necessary reference points before bending. This pre-planning of mark locations ensures proper coverage of wooden members while maintaining efficiency.
3Measurement precision
If a simple marking method is used, then the tool is easy to operate, but the bend line alignment is inaccurate
Solution Approach 1:
The marking tool is designed to be self-aligning and self-marking. The scale with multiple faces automatically provides the correct marking positions when placed against the sheet metal edge, eliminating the need for complex measurement calculations or multiple alignment steps by the operator.
Solution Approach 2:
The patent introduces a marking tool as an intermediary device between the sheet metal and the bending brake. This tool includes a scale with multiple faces and marking stations that transfer precise alignment information to the sheet metal, acting as a mediator that ensures accurate positioning before the bending operation.
Data Source
AI summary
A tool for marking sheet metal prior to bending in a bending brake, includes a scale having a first end, an opposite second end, a longitudinal axis, and four faces. Each of the four faces include a plurality of marking stations. A cross member is rotatably connected to the first end of the scale. The cross member has a surface which is disposed perpendicular to the longitudinal axis, and is configured to abut the edge of the sheet of metal. The tool is positioned at a first location on the sheet of metal and marks are made at the marking stations. The tool is then moved to a second location on the sheet of metal and a second set of marks are made. The two sets of marks are used to align the sheet of metal with the bend line of a bending brake so that accurate bends can be made.