Dental Pressure Forming Layout for Uniform Foil Heating
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Solution Overview
Problem
Existing dental deep drawing devices face challenges in producing high-quality orthodontic treatment elements in large numbers without quality reduction, particularly due to uneven heating and difficulty in precisely adjusting the temperature of the deep drawing foil during the heating process.
Innovation Solution
A pressure forming device with a heating device and model carrier arranged on the same side of the deep drawing foil, allowing controlled heating and precise form capture, combined with a pneumatic pressure mechanism to deform the foil over a jaw model, ensuring consistent quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the deep drawing foil is heated from a side oriented away from the model, then the heating process can be performed, but the temperature distribution becomes uneven and precise temperature adjustment is difficult
Solution Approach 1:
The patent inverts the conventional heating arrangement by placing the heating device on the same side as the model carrier rather than on the opposite side. This allows the heating device to warm the deep drawing foil from the model side, enabling direct thermal contact and precise temperature control at the critical interface between the foil and model, thereby resolving the temperature distribution uniformity and control precision issues
2Productivity
If multiple treatment elements are produced in large numbers, then productivity increases, but quality reduction occurs due to uneven heating and inconsistent forming
Solution Approach 1:
The patent segments the heating and forming operations into distinct, controllable stages with the heating device positioned to uniformly warm the foil before forming. This segmentation allows each treatment element to receive consistent heating and forming conditions even during high-volume production, maintaining quality consistency while increasing productivity through efficient process sequencing
Solution Approach 2:
The patent incorporates feedback mechanisms that monitor and adjust heating parameters and forming pressure for each treatment element produced. This ensures that even when producing multiple elements in sequence, each one receives precisely controlled heating and forming conditions, preventing quality degradation that would otherwise occur during high-volume production
3Manufacturing precision
If the heating device and model carrier are arranged on opposite sides, then the forming process can be performed, but the heating uniformity and temperature adjustment precision deteriorate
Solution Approach 1:
The patent merges the heating device and model carrier onto the same side of the deep drawing foil, creating an integrated heating-forming station. This merging allows simultaneous optimization of both heating uniformity and forming precision, as the heating device can directly warm the foil area that will contact the model, ensuring consistent temperature distribution and high-quality deep drawing results
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
Enables high-quality production of multiple orthodontic treatment elements by precisely heating and forming the foil over jaw models, maintaining consistent quality and efficiency in the deep drawing process.
Implementation Method 1
a heating device configured to heat the deep drawing foil to a deep drawing temperature
Implementation Method 2
the deep drawing foil, after performing a heating step of the deep drawing process in which the deep drawing foil heated by the heating device, is loaded with pneumatic pressure in a forming step of the deep drawing process
Data Source
AI summary
A pressure forming device for dental deep drawing applications, including a housing; a foil carrier configured to support a deep drawing foil; at least one operating unit at least partially arranged in the housing and including a heating device configured to heat the deep drawing foil to a deep drawing temperature; a model carrier, configured to support a jaw model; and a pressure device, configured to provide a pneumatic pressure, wherein the pressure device is configured to cooperate with the deep drawing foil and the model carrier when performing a deep drawing process, so that the deep drawing foil, after performing a heating step of the deep drawing process in which the deep drawing foil heated by the heating device, is loaded with pneumatic pressure in a forming step of the deep drawing process and thus deep drawn over the jaw model supported on the model carriers.