Continuous Wheel Weight Dispensing and Cutting System
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Solution Overview
Problem
Existing weight balancing systems using segmented lead or iron weights face limitations in granularity of control, accuracy, and waste due to the difficulty in cutting partial segments, and concerns about lead toxicity and iron rust.
Innovation Solution
A continuous strip of high-density weight material with uniform linear density is used, allowing for precise cutting and adhesive application, enabling arbitrary weight control and reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If segmented lead weights are used for wheel balancing, then weight control is simplified through standardized increments, but manufacturing precision and waste reduction are compromised due to inability to cut partial segments
Solution Approach 1:
The weight material is provided as a continuous strip that can be segmented into individual weights through cutting. This allows the system to combine the precision of custom-cut weights with the operational simplicity of standardized segments, as the strip can be cut to exact specifications and then divided into usable portions.
Solution Approach 2:
The system changes the physical state of weight material from discrete pre-formed segments to a continuous form that can be precisely measured and cut. This parameter change enables exact weight matching by cutting the continuous strip to specific lengths corresponding to required weights, eliminating the need to accept fixed segmented increments.
2Adaptability or versatility
If segmented weights are inventoried in multiple part numbers, then adaptability to different balancing needs is improved, but device complexity and loss of substance increase due to inventory management and waste
Solution Approach 1:
A single continuous strip of weight material serves multiple functions: it can be cut to produce any weight within its total range, eliminating the need for multiple inventory items. The strip acts as a universal source for all weight requirements, replacing the need to stock various segmented weight part numbers.
Solution Approach 2:
The continuous strip system allows for minimal waste by cutting only the required portions. Any remaining material on the strip is retained and can be used for subsequent weights, whereas segmented systems discard entire segments even when only partial weights are needed.
3Weight of moving object
If lead weights are used for balancing, then weight density and effectiveness are improved, but object-affected harmful factors increase due to lead toxicity
Solution Approach 1:
The system uses composite or alternative materials that combine high density with non-toxic properties. The continuous strip material provides the necessary weight density for effective wheel balancing while eliminating the toxic effects associated with traditional lead weights, addressing both performance and safety requirements.
Data Source
AI summary
An apparatus includes a receiving module, a conversion module, first and second rollers, a motor, and a cutting head. The receiving module receives a desired weight value. The conversion module converts the desired weight value to a first length of wheel weight material based on a linear density of the wheel weight material. The first and second rollers engage first and second opposing sides of a continuous strip of the wheel weight material. The linear density of the wheel weight material is approximately constant along the continuous strip. The motor directly drives the first roller based on the first length. The cutting head is selectively actuated to cut the wheel weight material.