Reamer
Definition
A multi-edged cutting tool, featuring multiple longitudinal or helical cutting edges, used in metalworking for the fine finishing and exact calibration of holes previously made with a drill bit. This instrument ensures high dimensional precision (at a micron level) and superior inner surface smoothness, being indispensable in building engines, bearing housings, and aerospace components.
Bilingual Equivalents
- Reamer
- Finishing reamer
Grammatical & Source Details
| Inflection Type | Neuter noun, regular plural forms in technical language. |
| Formation | Instrumental noun derived within Romanian from the verb base 'aleza' combined with the suffix '-tor'. |
| Spelling / Pronunciation | [a.le.za.ˈtor] |
| Source | Lexicon of Tool Engineering, Cutting Mechanics, and Production Machinery |
Contextual Usage Examples
RO: Mecanicul a selectat un alezator manual din trusă pentru a rectifica ghidul de supapă de la chiulasă.
EN: The mechanic selected a hand reamer from the kit to grind the valve guide on the cylinder head.
RO: Pentru producția în serie, pe mașina CNC a fost montat un alezator de carbură cu răcire internă.
EN: For mass production, a carbide reamer with internal cooling was mounted on the CNC machine.
RO: Utilizarea unui alezator uzat poate duce la abateri geometrice grave și la rebutarea piesei din aluminiu.
EN: Using a worn reamer can lead to severe geometric deviations and the scrapping of the aluminum part.
Idioms & Phrases
Alezator expandabil / Adjustable reamer / expanding reamer
RO: Tip de instrument alezator ale cărui lame pot fi reglate fin cu o piuliță micrometrică pentru a varia diametrul.
EN: A type of reamer tool whose blades can be finely adjusted with a micrometric nut to vary the diameter.
Alezator de mașină / Machine reamer / chucking reamer
RO: Sculă concepută pentru a fi fixată în mandrina unei mașini de găurit sau a unui strung pentru finisări automate.
EN: A tool designed to be fixed in the chuck of a drilling machine or a lathe for automated finishing.
Alezator conic / Taper reamer
RO: Instrument special cu tăișuri dispuse în unghi, folosit pentru calibrarea găurilor destinate știfturilor conice.
EN: A special tool with angular cutting edges, used for calibrating holes intended for taper pins.
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