- Study guides, Class notes & Summaries

ram - Answer - Which of the following is not a common component of an engine lathe? headstock cross slide tool post tailstock ram B&C - Answer - What rotates on a lathe? cutting tool chuck material/workpiece B&C none False, cylindrical - Answer - Turning is a metal cutting process used mainly for the generation of rectangular surfaces. in the tailstock - Answer - Which of the following is not a common workholding method on a lathe? in the chuck between centers in the tailst...

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9 pages

Written in 2022/2023

Grade A+

GEEKA

Name the most common saw blade set patterns - Answer - Raker, wave, and straight Describe the conditions that define blade selection - Answer - Workpiece material, cross-sectional shape, and thickness On a reciprocating saw, what is the direction of the cut? - Answer - On the back stroke What is set and why is it necessary? - Answer - The tooth offset on either side of the blade. Set provide clearance for the back of the blade What are common tooth forms? - Answer - standard, skip, a...

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16 pages

Written in 2022/2023

Grade A+

GEEKA

If the cutting speed (CS) for low-carbon steel is 9-, and the formula for rpm is (CSx4)/D, what should the rpm of the spindle of a drill press be for a 1/8 in diameter high-speed twist drill? For a .750 in diameter drill? - Answer - The rpm for the 1/8in twist drill should be 2880, and for the 3/4-in. drill, 480 If the two drills in question 1 are used in a lathe instead of a drill press, what should the rpm of the lathe spindle be for both drills? - Answer - They would be the same If, in ...

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26 pages

Written in 2022/2023

Grade A+

GEEKA

What is a waterjet used for? - Answer - 2D CNC cutting of soft materials What is an AWJ used for? - Answer - 2D CNC cutting of almost any material, regardless of STRENGTH 6 Advantages of AWJ process? - Answer - Virtually any material can be cut; quality, satin-like finish; no heat in the machining process; environmentally responsible; no tool changing; can create almost any 2D shape 3 Disadvantages of AWJ process? - Answer - Machines are expensive; machines require frequent maintenance;...

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16 pages

Written in 2022/2023

Grade A+

GEEKA

weld - Answer - made when separate pieces of material to be joined combine and form one piece when heated to a temperature high enough to cause softening or melting benefits of welding - Answer - dependable, efficient, economic method for permanently combining materials how many axes of motion do the manual lathes have - Answer - 2 (x and z) what typically gets clamped into the lathe's chuck - Answer - the part you are working with what typically gets clamped into the tailstock - An...

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7 pages

Written in 2022/2023

Grade A+

GEEKA

you have a rectangular workpiece that needs a facing operation plus center drilling, and a universal chuck is mounted on the lathe spindle. What is your procedure to prepare for machining? - Answer - a lathe board is placed on the ways under the chuck, and the chuck removed, because it is the wrong chuck to hold rectangular work. The mating parts of an independent chuck and the lathe spindle are cleaned and the chuck is mounted. The part is rouchly centered in the jaws and adjusted to center by ...

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5 pages

Written in 2022/2023

Grade A+

GEEKA

What is the primary piece of safety equipment in the machine shop? - Safety Glasses What can you do if you wear prescription eyeglasses? - Wear safety goggles or a full face shield. Prescription safety glasses may also be worn. Describe proper dress for Machine Shop. - Closed toed shoes, short sleeves, short or properly secured hair, no rings and wristwatches, shop apron, or a shop coat with no sleeves. What can be done to control grinding dust? - Use of cutting fluid and vacuum dust collec...

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33 pages

Written in 2022/2023

Grade A+

Eustace

you have a rectangular workpiece that needs a facing operation plus center drilling, and a universal chuck is mounted on the lathe spindle. What is your procedure to prepare for machining? - a lathe board is placed on the ways under the chuck, and the chuck removed, because it is the wrong chuck to hold rectangular work. The mating parts of an independent chuck and the lathe spindle are cleaned and the chuck is mounted. The part is rouchly centered in the jaws and adjusted to center by usin...

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7 pages

Written in 2022/2023

Grade A+

Eustace