Friction-Driven Gear Involute Rolling for Long Path Accuracy
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Solution Overview
Problem
Current technologies lack effective designs and methods for machining and measuring gear involute artifacts with long-rolled path lengths, which are essential for high precision and accuracy, especially for large gear artifacts, due to difficulties in driving and designing rolling components, leading to inaccuracies and deviations from Class-1 accuracy standards.
Innovation Solution
A generating device based on friction drive comprising a roller component, rail component, and friction-driven component, featuring a gear involute artifact with long-rolled path length, multi-ball bearings, and a mandrel, along with a rail system and motorized linear sliding table, to ensure precise rolling and measurement of involute profiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If gear involute artifact with long-rolled path length is manufactured using conventional rolling methods, then the roll path length can be extended, but machining precision and measurement accuracy deteriorate due to increased non-axial errors and vibrations
Solution Approach 1:
The generating device is divided into independent functional modules: roller component (with gear involute artifact and multi-ball bearings), rail component (with precision guide rails), and friction-driven component (with motorized linear sliding table). This segmentation allows each module to be optimized independently, enabling long roll path length while maintaining precision through modular error control
Solution Approach 2:
Multi-ball bearings are introduced as intermediary elements between the roller component and mandrel, providing precise radial and axial support. The friction-driven component acts as an intermediary transmission mechanism, converting linear motion to rotational motion with high precision, thereby reducing non-axial errors during the rolling process
2Volume of moving object
If gear involute artifact with large base-circle parameters is manufactured, then the artifact can accommodate larger gear applications, but device complexity and manufacturing difficulty increase significantly
Solution Approach 1:
The generating device is designed with universal features that allow it to manufacture gear involute artifacts of various base-circle sizes. The rail component and friction-driven component can accommodate different roller components with varying base-circle diameters, eliminating the need for dedicated equipment for each size category
Solution Approach 2:
The device employs dynamic adjustment capabilities through the motorized linear sliding table and friction-driven mechanism, allowing real-time adjustment of rolling parameters. This dynamic flexibility enables the system to adapt to different base-circle sizes without increasing structural complexity
3Measurement precision
If Class-1 accuracy standards are achieved for gear involute artifact, then measurement precision is improved, but the difficulty of detecting and measuring increases due to submicron tolerance requirements
Solution Approach 1:
The generating device incorporates self-measurement and self-verification capabilities. The precision rail system and friction-driven mechanism inherently provide reference surfaces and motion control that serve as built-in measurement standards, reducing the need for external high-precision measurement equipment
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
The solution enables precise machining and measurement of involute lines with reduced non-axial errors and vibrations, achieving Class-1 accuracy and facilitating the use of gear involute artifacts with long-rolled path lengths, enhancing the manufacturing and measurement processes.
Implementation Method 1
A generating device based on friction drive comprising a roller component, rail component, and friction-driven component
Data Source
AI summary
A generating device based on friction drive for gear involute artifact with long-rolled path length by rolling method is proposes. The device includes a roller component, rail component and friction-driven component, wherein the roller component consists of a gear involute artifact with long rolled length, a mandrel, a multi-ball bearing for gear involute artifact, the base-circle plates, the parallel sleeves, a multi-ball bearing, the plain washers, the cross washers, and the locking nuts; the rail component consists of a foundation, a location baffle for base-circle plates, rails, the baffles, a location baffle for rail, copper washers, the connecting screws and the set screws of the rail; and the friction-driven component consists of a friction block, a motorized linear sliding table, a vertical sliding table, a vertical foundation and an adapter. It has good market application prospect and popularization value.