Retaining-Ring Guide Pin Assembly for Modular Die Connection
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Solution Overview
Problem
Current metal forming dies are labor-intensive and costly to design, manufacture, and modify due to the need for custom machining and assembly of individual components, which also results in long lead times and high inventories.
Innovation Solution
A guide pin assembly with a cylindrical guide pin body featuring grooves for retainer rings and a threaded opening, allowing for simplified attachment to die members by using retainer rings to secure the assembly, thereby reducing the complexity and cost of manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If custom machining and assembly of individual components is used, then manufacturing precision and reliability are improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The guide pin assembly merges the guide pin, retention features, and mounting components into a single integrated unit. The guide pin body includes integrated grooves for retainer rings and threaded openings for fasteners, eliminating the need for separate retention components and simplifying the assembly process while maintaining connection reliability.
Solution Approach 2:
The guide pin assembly is designed as a modular component that can be independently manufactured and then assembled into the die set. This segmentation allows the guide pin assembly to be produced separately using standardized processes, reducing overall device complexity while maintaining precision through dedicated manufacturing of the modular unit.
2Manufacturing precision
If custom machining and precision holes are required, then manufacturing precision is improved, but manufacturing time and cost increase
Solution Approach 1:
The guide pin assembly is pre-manufactured as a complete modular unit with all necessary features (grooves, threaded openings, retention structures) already incorporated. This preliminary action allows precision features to be created once during modular component manufacturing, rather than requiring precision machining and assembly operations for each installation, thereby increasing manufacturing speed.
Solution Approach 2:
The guide pin assembly is designed as a universal modular component that can be used in multiple locations and configurations within the die set. The standardized design with integrated features allows the same component to serve multiple functions and locations, reducing the need for custom precision machining of individual components for each specific application.
3Adaptability or versatility
If individual components are custom designed and assembled, then adaptability is improved, but inventory requirements and lead time increase
Solution Approach 1:
The guide pin assembly is designed as a universal modular component that can be adapted to various positions and configurations within the die set through standardized interfaces. This universality allows the same component design to serve multiple purposes and locations, reducing the variety of unique components needed and thereby reducing inventory requirements and lead times.
Solution Approach 2:
The die set is segmented into modular components including the guide pin assembly, which can be independently manufactured and stocked. This segmentation allows standard modular components to be produced in advance and held in inventory, reducing lead times while maintaining design flexibility through modular reconfiguration.
Data Source
AI summary
A guide pin assembly includes a guide pin body that connects to a die component using retaining rings. The guide pin assembly has an upper and a lower retaining ring that permits the retention of the guide pin body in a hole in a component of a metal forming die, with each retaining ring contacting a surface of the die component. The guide pin body includes an opening to permit the temporary insertion of a device for positioning the guide pin body within the opening in the die member.