Rockville, MD, 20851, USA
7 days ago
Machinist - Rockville, MD
The Ideal candidate will: Set up, operate, or tend lathe and milling machines to turn, bore, thread, form, or face metal or plastic materials. Responsibilities: • Calculate dimensions and tolerances using knowledge of mathematics and instruments such as micrometer and calipers • Align and secure holding fixtures, cutting tools, attachment, accessories, and materials onto machines • Select the appropriate tools, machines, and materials to be used in preparation of machinery work • Monitor the feed and speed of machines during the machining process • Machine parts to specifications using machine tools such as lather, milling machines, shapers, or grinders • Set up, adjust, and operate all of the basic machine tools and many specialized or advanced variation tools to perform precision machining operations • Measure, examine, and test completed units to detect defects and ensure conformance to specifications, using precision instruments such as micrometers • Inspect samples work pieces to verify conformance with specifications, using instruments such as gauges, micrometer, and dial indicators • Study blueprints, layouts or charts, and job orders for information on specifications and tooling instructions, and to determine material requirements and operational sequences • Adjust machine controls and change tool settings in order to keep dimensions within specified tolerances • Move controls to set cutting speeds and depths and feed rates, and to position tools in relation to work pieces • Start lath or turning machines and observe operations to ensure that specifications are met • Select cutting tools and tooling instructions, according to written specifications or knowledge of metal properties and shop mathematics • Crank machines through cycles, stopping to adjust tool positions and machine controls to ensure specified timing, clearances, and tolerances • Replace worn tools, and sharpen full cutting tools and dies using bench grinders or cutter-grinding machines • Position, secure, and align cutting tools in tool holders on machines, using hand tools, and verify their positions with measuring instruments Requirements: • High school or equivalent; technical school preferred. • Minimum 7 years' experience with the set up and operation of CNC milling, 3D 4-axis machining. • Require the reading and interpretation of complex mechanical blueprints with GD&T. Experienced with wide variety of precision measuring equipment. Basic knowledge of using measuring instruments, machine tools and electronic meters. • Ability to work independently.
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