Undercut
Definition
A recess, notch, or circular groove machined onto the surface of a cylindrical part, intended to locally reduce its diameter, delineate two distinct functional sections, or allow the passage of a cutting tool. In industrial terminology, it represents a stress-relief zone or a channel specifically designed to house seals, snap rings, or locking mechanisms.
Bilingual Equivalents
- Undercut
- Groove
Grammatical & Source Details
| Inflection Type | Feminine noun with standard structural variations for plural and genitive cases. |
| Formation | Technical loanword derived and adapted from the French 'encolure', functionally integrated into industry standards. |
| Spelling / Pronunciation | [an.ko.ˈlu.rə] |
| Source | International Dictionary of Materials Science and Mechanical Components |
Contextual Usage Examples
RO: Muncitorul a reglat strungul pentru a executa o ancolură perfectă la baza filetului arborelui cotit.
EN: The worker adjusted the lathe to execute a perfect undercut at the base of the crankshaft thread.
RO: Prezența unei ancoluri netede reduce concentrarea eforturilor unitare și previne apariția fisurilor de oboseală în metal.
EN: The presence of a smooth stress-relief groove reduces stress concentration and prevents fatigue cracks in the metal.
RO: Măsurătorile de laborator au indicat că această ancolură este prea adâncă, afectând rezistența structurală a ansamblului.
EN: Laboratory measurements indicated that this recess is too deep, compromising the structural integrity of the assembly.
Idioms & Phrases
Ancolură de descărcare / Stress-relief groove
RO: Gâtuire calculată matematic pentru a distribui uniform tensiunile mecanice dintr-un punct critic al piesei.
EN: A mathematically calculated narrowing designed to evenly distribute mechanical stresses at a critical point of the component.
Ancolură de strunjire / Machining undercut
RO: Canal realizat la capătul unei porțiuni filetate pentru a permite retragerea liberă a cuțitului de strung.
EN: A channel cut at the end of a threaded section to allow the free retraction of the lathe cutting tool.
Adâncime de ancolură / Undercut depth
RO: Dimensiune liniară determinată radial care indică cota de pătrundere a degajării în corpul piesei cilindrice.
EN: A radially determined linear dimension indicating the penetration depth of the recess into the body of the cylindrical part.
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