Middle Slide Rail Simplified Rolling Process for Drawer Guide Systems
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Solution Overview
Problem
Conventional drawer guide rail manufacturing processes are complex and costly, leading to decreased productivity and durability due to corrosion issues from inadequate plating on side surfaces.
Innovation Solution
A slide unit with an inner rail formed by rolling, allowing for smooth sliding between fixed and movable rails, and enabling uniform plating to prevent corrosion, while reinforcing ribs and optimized contact surfaces reduce deformation and friction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a complicated roll forming process is used to form the middle slide rail, then the manufacturing precision and structural complexity are improved, but the productivity decreases and manufacturing cost increases
Solution Approach 1:
The patent extracts the essential functional requirements from the complicated roll forming process and implements only the necessary forming operations. The middle slide rail is formed by a simplified process that retains the critical structural features needed for functionality while eliminating unnecessary complexity, thus improving productivity without sacrificing essential manufacturing precision.
Solution Approach 2:
Instead of following the conventional approach of using a complicated roll forming process to achieve structural complexity, the patent inverts the approach by using a simplified process that achieves the same functional result. The middle slide rail structure is redesigned to be formed through a less complex process while maintaining the necessary structural integrity and functionality.
2Strength
If a complicated roll forming process is used to form the middle slide rail, then the structural integrity is improved, but the manufacturing cost increases
Solution Approach 1:
The patent extracts only the essential structural features needed for integrity from the complicated roll forming process. By identifying and retaining only the critical forming operations that contribute to structural strength, the patent eliminates unnecessary process steps that increase manufacturing cost, thereby achieving structural integrity at a lower cost.
Solution Approach 2:
The patent changes the manufacturing parameters by switching from a complicated roll forming process to a simplified process. This parameter change involves modifying the forming method, number of passes, and process conditions to reduce manufacturing cost while maintaining the structural integrity required for the middle slide rail to function properly.
3Ease of manufacture
If plating is not performed on the side surface portion, then the manufacturing process is simplified, but corrosion resistance deteriorates
Solution Approach 1:
The patent segments the middle slide rail structure to provide accessible surfaces that can be plated. By designing the rail with surfaces that are easily accessible for plating operations, the patent simplifies the manufacturing process compared to complex geometries while ensuring adequate corrosion protection through uniform plating coverage on all critical surfaces.
Solution Approach 2:
The patent changes the geometric parameters of the middle slide rail to create surfaces that are more accessible for plating. By modifying the shape and orientation of surfaces, the patent enables uniform plating application without requiring complex manufacturing processes, thus maintaining corrosion resistance while simplifying production.
4Productivity
If the middle slide rail structure is simplified, then the productivity increases, but the smooth sliding performance may deteriorate
Solution Approach 1:
The patent extracts and retains only the critical structural features necessary for smooth sliding performance while eliminating unnecessary complexity. By identifying the essential elements that enable smooth operation between the middle slide rail and fixed rails, the patent simplifies the manufacturing process while preserving the sliding performance required for proper drawer operation.
Solution Approach 2:
The patent optimizes geometric parameters such as surface curvature, contact area, and rail profile to ensure smooth sliding performance. By carefully selecting and adjusting these parameters, the patent achieves good sliding characteristics through a simplified manufacturing process, maintaining ease of operation while improving productivity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution simplifies the manufacturing process, reduces costs, enhances durability by preventing corrosion, and ensures smooth operation even under heavy loads.
Implementation Method 1
the inner rail is formed by rolling
Implementation Method 2
configured to come into contact with a plurality of slide balls accommodated in the inner accommodation spaces of both the fixed rail and the movable rail
Data Source
AI summary
A slide unit for a drawer includes a middle slide rail molded through a simple process to enhance productivity. The middle slide rail of the slide unit has an improved structure to enable each of a main body-side fixed rail and a drawer-side fixed rail to more smoothly slide on the middle slide rail.