Ram Guide Channel Structure to Resist Off-Center Crimper Loading
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Solution Overview
Problem
Existing crimping tools face challenges in maintaining precise alignment and resisting off-center loading during the crimping process, which can lead to uneven crimps and tool wear.
Innovation Solution
The crimping tool incorporates a ram guide with a track and channel configuration that aligns the ram head with the crimping head, preventing lateral movement and ensuring axial alignment, thereby maintaining a consistent crimping action.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a traditional crimping head design is used without a ram guide, then the structure is simpler, but alignment precision and resistance to off-center loading deteriorate
Solution Approach 1:
The patent introduces a ram guide as an intermediary component between the hydraulic ram and the crimping head. The ram guide includes a guide body with a guide channel and a guide rail that extends into the crimping head, serving as a mediator to transmit and constrain the ram's motion, thereby achieving precise alignment and resistance to off-center loading without fundamentally redesigning the entire crimping system
Solution Approach 2:
The crimping head is segmented into distinct functional components: the guide body, the guide rail, and the crimping features. The guide rail is separable from the crimping head body, allowing it to be independently positioned and adjusted. This segmentation enables the guide rail to specifically handle alignment and constraint functions while the main crimping head performs the crimping operation, improving alignment precision without excessive overall complexity
2Reliability
If the ram head is allowed to move freely during crimping, then the device is easier to operate, but crimp consistency and reliability worsen due to off-center loading
Solution Approach 1:
The guide channel in the guide body has a specific cross-sectional geometry that matches the guide rail, creating a localized constraint system. The guide channel width is precisely controlled to allow only minimal lateral movement of the guide rail, ensuring that the ram head remains centrally aligned during crimping. This local geometric constraint maintains crimp consistency while requiring minimal operational intervention from the user
Solution Approach 2:
The guide rail and guide channel configuration creates a self-aligning mechanism. As the hydraulic ram advances the guide rail during operation, the geometry of the guide channel automatically centers the guide rail within the channel, providing self-correction for any minor misalignments. This self-service alignment mechanism ensures reliable crimping without requiring precise manual positioning by the operator
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 ensures precise alignment and resistance to off-center loading, resulting in consistent and reliable crimping operations with reduced tool wear.
Implementation Method 1
Some crimpers and cutters are hydraulic power tools that include a piston that can exert force on the crimping head
Data Source
AI summary
Embodiments of the invention provide a ram guide for a crimping tool. The crimping tool includes a crimping head and a ram head. The ram guide includes a track and slot. The ram guide is configured to guide the ram head within a crimp portion of the crimping head to axially align the ram head with the crimping head.