A Methodological Approach for Motor Selection in Dental Impression Material Dispensers Using Experimental and Image Analysis Techniques
Ji-Min Hwang, Sang-Wook Park, Ji-Su Jeong, Ji-Wook Kim, Dae-Cheol Ko, Jin-Seok Jang
TL;DR
This paper introduces a new method to design more efficient dental impression material dispensers by accurately determining motor requirements.
Contribution
A novel methodology combining load analysis and image processing to optimize motor sizing in dental dispensers.
Findings
A derived equation calculates motor torque and speed based on extrusion load and material speed.
Image processing techniques measured curvature radius and pressurization speed correlations.
The method reduces motor torque and speed requirements compared to current standards.
Abstract
This study presents a methodology to prevent the overdesign of electric dispensers for dental impression materials by analyzing the necessary load and determining the appropriate pressurization speed and drive motor capacity. We derived an equation to calculate the required torque and rotational speed of the motor based on the extrusion load and the speed of the impression material. A specialized load measurement system was developed to measure the load necessary to extrude the impression material. Through experiments and image processing, we measured the radius of curvature of the trajectory of the impression material and correlated it with the pressurization speed. Techniques such as position coordinate plotting, curve fitting, and circle fitting were employed to determine the pressurization speed that aligns with the manufacturer’s recommended curvature radius. These findings led to…
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Taxonomy
TopicsTribology and Lubrication Engineering · Mechanics and Biomechanics Studies