Analysis of Clamping Force Test Fixture Model Standard

Analysis of Clamping Force Test Fixture Model Standard

Analysis of Clamping Force Test Fixture Model Standard

Clamping force test fixture model---YY/T 1932-2024

YY/T 1932-2024The clamping force test fixture model in is a key tool used to test the mechanical properties of membrane type non bracket orthodontic appliances, and its structure and dimensions must comply with the standard appendixA.2The normative requirements are to ensure the consistency and comparability of the test results.

The core design points of this fixture model include:

Structural compatibility: The fixture needs to match the standard3DPrint circular grooves on both sides of the front teeth on the dental model（Apoint andBPrecise docking ensures that the force position is consistent with the clinical wearing state;

Adjustable: The position of one side fixture can be fine tuned, and with the help of a force measuring device, precise pressurization can be achieved;

Force measurement accuracy: The accuracy of the connected force measurement device shall not be lower than0.01NThe accuracy of position adjustment shall not be lower than0.02mmMeet the high-precision testing requirements;

Test conditions: The test should be conducted at a constant temperature（37±1℃) in a constant humidity environment, the sample needs to be soaked in distilled water24Test after hours to simulate the impact of oral environment on material properties.

The testing conducted through this fixture model mainly evaluates two key indicators:

Initial clamping force（F₀): Apply0.5mmPeak force recorded after compression displacement;

Continuous clamping force（F）: In72The clamping force that can still be maintained after hours of continuous loading, according to standard requirementsF≥30% F₀, to ensure the continuity of the orthodontic process

Clamping force test fixture model---YY/T 1932-2024

YY/T 1932-2024The clamping force test fixture model in is a key tool used to test the mechanical properties of membrane type non bracket orthodontic appliances, and its structure and dimensions must comply with the standard appendixA.2The normative requirements are to ensure the consistency and comparability of the test results.

The core design points of this fixture model include:

Structural compatibility: The fixture needs to match the standard3DPrint circular grooves on both sides of the front teeth on the dental model（Apoint andBPrecise docking ensures that the force position is consistent with the clinical wearing state;

Adjustable: The position of one side fixture can be fine tuned, and with the help of a force measuring device, precise pressurization can be achieved;

Force measurement accuracy: The accuracy of the connected force measurement device shall not be lower than0.01NThe accuracy of position adjustment shall not be lower than0.02mmMeet the high-precision testing requirements;

Test conditions: The test should be conducted at a constant temperature（37±1℃) in a constant humidity environment, the sample needs to be soaked in distilled water24Test after hours to simulate the impact of oral environment on material properties.

The testing conducted through this fixture model mainly evaluates two key indicators:

Initial clamping force（F₀): Apply0.5mmPeak force recorded after compression displacement;

Continuous clamping force（F）: In72The clamping force that can still be maintained after hours of continuous loading, according to standard requirementsF≥30% F₀, to ensure the continuity of the orthodontic process