Sewing Machine Operational Test Record Management
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Solution Overview
Problem
Existing sewing machines lack effective management of operational test records, making it difficult to track and utilize production information during manufacturing or repair processes, leading to inefficient production management and quality control.
Innovation Solution
A sewing machine equipped with a display device to show operational test records and a performance record storage device that correlates test items with their results, allowing for easy management and feedback of production information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If operational test records are managed using paper check sheets, then the sewing machine can be manufactured with simple structures, but the production information cannot be stored in the sewing machine and is difficult to refer to or utilize effectively
Solution Approach 1:
The patent applies the copying principle by transferring operational test record information from paper check sheets into the sewing machine's storage device. The performance record storage device creates a digital copy of the test results, allowing the information to be stored within the machine itself rather than remaining on external paper documents. This enables easy retrieval and utilization of test data while maintaining the simplicity of the manufacturing process.
2Reliability
If a display device and performance record storage device are added to store and display operational test records, then production information can be effectively managed and referenced, but the device complexity increases
Solution Approach 1:
The patent applies the universality principle by designing the display device and performance record storage device to serve multiple functions. The storage device not only stores operational test records but also integrates with the sewing machine's existing control systems. The display device provides both test record visualization and operational feedback, allowing a single added component to fulfill multiple roles in production management and quality control.
3Productivity
If operational test results are not stored in the sewing machine, then the manufacturing process remains simple, but the test results cannot be fed back and utilized effectively in manufacture management
Solution Approach 1:
The patent applies the self-service principle by enabling the sewing machine to automatically store and manage its own operational test records. The performance record storage device is integrated into the machine's existing control architecture, allowing the system to self-document test results without requiring external manual data entry or complex external storage systems. This automated self-recording capability improves production management efficiency while maintaining ease of manufacture.
Data Source
AI summary
A sewing machine and a method for managing manufacture of the sewing machine that effectively utilize production information in a manufacture process or a repair process of the sewing machine. The sewing machine may include a stitch formation device that forms stitches in work cloth by relatively moving the work cloth with respect to a vertically moving needle; a display device that displays a record of performing an operational test, in which operations of the sewing machine are adjusted or confirmed, the operational test including test items; and a performance record storage device that stores the performance record, the performance record being correlated with the test items of the operational test.