Planar Workpiece Holding Jig With Projections for Easy Detachment
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Solution Overview
Problem
Existing holding jigs for planar workpieces often fail to effectively remove treatment solutions and cause intimate contact issues, making it difficult to detach the workpiece after cleaning.
Innovation Solution
A holding jig with a rear member featuring projections on its surface that reduce contact area and facilitate drainage, allowing for improved cleaning and easy detachment by minimizing intimate contact and promoting solution discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the planar workpiece makes intimate contact with the rear member for stable fixation, then the workpiece is securely held during liquid bath treatment, but the treatment solution cannot be effectively removed and the workpiece becomes difficult to detach after cleaning
Solution Approach 1:
The rear member surface is segmented into multiple projections instead of a continuous flat surface. This segmentation reduces the contact area between the workpiece and the rear member, allowing treatment solution to be effectively removed while maintaining sufficient fixation stability during the liquid bath treatment.
2Reliability
If the rear member has a large contact area with the workpiece, then the workpiece is securely held, but the treatment solution adheres to the holding jig and cannot be effectively cleaned
Solution Approach 1:
The rear member surface is divided into multiple projections, creating a segmented structure that reduces the total contact area. This segmentation allows treatment solution to be effectively drained away while maintaining sufficient fixation points to hold the workpiece securely during liquid bath treatment.
Solution Approach 2:
The projections create localized contact points with specific geometric characteristics. The local geometry of the projections (height, spacing, shape) is optimized to provide sufficient fixation stability while allowing treatment solution to be effectively removed from the reduced contact areas.
3Ease of manufacture
If the contact area between the rear member and workpiece is reduced using projections, then the treatment solution can be effectively removed, but the workpiece may become unstable during treatment
Solution Approach 1:
The projections are designed with specific local geometric qualities (height of 1-3 mm, appropriate spacing, and optimized shape) that provide sufficient contact points to maintain workpiece stability during liquid bath treatment while reducing the total contact area to enable effective treatment solution removal.
Data Source
AI summary
An object of the present invention is to provide a holding jig that is used for applying a liquid bath treatment to a planar workpiece, has good cleaning capabilities, and avoids intimate contact of the planar workpiece with a rear member of the holding jig so that the planar workpiece can be easily detached from the holding jig after cleaning. A holding jig is used for applying a liquid bath treatment to a planar workpiece. The holding jig comprises a rear member, and a front member that faces the rear member and has an opening portion. The planar workpiece is disposed between the rear member and the front member, and the rear member has a plurality of projections formed on the surface of the rear member facing the front member.