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ÇANKAYA UNIVERSITY FOREIGN LANGUAGES UNIT ACS 206 ME UNIT 23 – WEEK 11 MACHINING I
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VOCABULARY ITEMS
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Machining (cutting workpieces) Definition: cutting pieces of materials (especially metals) with machines. E.g.: Metal materials are shaped by machining. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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To machine (to cut workpieces) Definition: to cut pieces of materials (especially metals) with machines. E.g.: Metal materials are machined to give them particular shapes. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Machine tools Definition: the tools used in machining E.g.: Machining tools need to be maintained periodically for quality work. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Swarf (chips) (n.) Definition/synonym: waste material CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT swarf
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Swarf (chips) (n.) Definition/synonym: waste material CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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cutting fluid Definition: Definition: a liquid used to cool the workpiece while machining CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Coolant (n.) Definition: a specially prepared liquid which is used to stop a machine from getting too hot while it is operating CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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CNC (computer numerical control) Definition: a system on computers for controlling and guiding the machining process CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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CAD (computer aided design) Definition: Another system to control machining CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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CAM (computer aided manufacturing) Definiton: Computer-aided manufacturing (CAM) is the use of computer software to control machine tools and related machinery in the manufacturing of workpieces.[ [ CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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milling machine Milling is the most common form of machining, a material removal process, which can create a variety of features on a part by cutting away the unwanted material. The milling process requires a milling machine, workpiece, fixture, and cutter. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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toothed cutting discs CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT The teeth
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to mill (v.) Definition: (specialized meaning) to shape metal by removing parts from it using a special machine CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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to rotate (v.) Definition: [I or T] to (cause to) turn in a circle, especially around a fixed pointRotate the handle by 180° to open the door. E.g.: The wheel rotates around an axle. The satellite slowly rotates as it circles the Earth. the Earth. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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lathe (n.) Definition: a machine for changing the shape of a piece of wood, metal, etc. which works by turning the material while a sharp tool is pressed against it CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Sawing (n.) Definition: Cutting materials using a saw E.g.: Carbon steel blades are usually the best choice for sawing wood, plastic, aluminum, and similar easy-to-cut materials CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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circular saw Definition: The circular saw is a machine using a toothed metal cutting disc or blade. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Blade (n.) Definition: the flat part on a knife or similar tool or weapon, with a very thin edge used for cuttinga sword with a steel blade E.g.: a packet of razor blades CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Kerf (n.) Definition: A slit made by cutting, esp. with a saw CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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band saw Definition: A bandsaw is a power tool which uses a blade consisting of a continuous band of metal with teeth along one edge to cut various workpieces. The band usually rides on two wheels rotating in the same plane, although some bandsaws may have three or four wheels CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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hacksaw *used for hand sawing CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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hole saw CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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abrasive wheel Definition: Blade in the shape of wheel that is rough and very sharp CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Drill (n.) Definition: a tool or machine which makes holes E.g.: an electric/pneumatic drill a dentist's drill a dentist's drill CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Drilling (n.) Definition: cutting circular holes on a surface e.g.: It’s better to make holes on a wall by drilling since it is less damaging to the wall. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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to drill into (v.) CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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drill bit (bit) Definition: the sharp part of the drill which cuts the hole CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT Drill bit
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diamond drilling Exploration diamond drilling is used in the mining industry to probe the contents of known ore deposits and potential sites. By withdrawing a small diameter core of rock from the orebody, geologists can analyze the core by chemical assay and conduct petrologic, structural and mineralogic studies of the rock. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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to enlarge (v.) Definition: to make/become larger; to make/become bigger E.g.: The Eiffel Tower is 15 cm longer in summer months because the heat enlarges its metal. CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Boring (n.) Definition: making a hole larger (in diamond drilling, or core drilling) CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Grinding (n.) Definition: Removing material across a surface area, using abrasive wheels CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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Grinder (n.) Definition: a grinding machine CANKAYA UNIVERSITY - OFFICE OF BASIC AND ELECTIVE COURSES- ENGLISH UNIT
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23.1 (p. 53) Match the two parts to make correct sentences. 1-c 2-d 3-5 4-f 5-b 6-a
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23.2 (p. 53) Complete the descriptions below the photos using the words in the box 1- drill bit for metal 2- a holesaw 3- a blade for a hacksaw 4- a toothed blade for a circular saw 5- a thick abrasive wheel for a grinder 6- cores of concrete being removed by diamond drilling
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23.3 (p. 53) Complete the sentences with the words in the box. Look at B (p. 52) to help you. 1. turn 2. drill 3. saw 4. grind 5. mill
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