Lathe Components and Accessories, Lathe Operations, Milling and Drilling Flashcards Preview

First Year Millwright 2018 > Lathe Components and Accessories, Lathe Operations, Milling and Drilling > Flashcards

Flashcards in Lathe Components and Accessories, Lathe Operations, Milling and Drilling Deck (122)
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1

The four main parts of the carriage are?

*apron
*cross-slide
*saddle
*compound rest

2

The main parts on an engine lathe

*the bed
*headstock
*the quick change gearbox
*the carriage
*the tailstock
*the ways
*back gears

3

The weight of the machine refers to the rigidity of the bed it refers to?

the machine's ability to resist a deflection on the heavy load, rather than the actual weight in pounds or kilograms

4

The quick change gearbox on the engine lathe is used to?

feed and speeds

5

What type of taper is used in the tail stock?

a morse taper (self holding)

6

The compound rest can swivel up to?

360°C

7

The tail stock has two piece adjustable casting to permit?

taper turning

8

How are metric taper design?

as a ratio

9

A centre installed in the headstock is a?

live centre

10

When grinding HSS, you must remember to?

Quench

11

The manual oil pump on the carriage pumps oil to?

the ways

12

What is the amount of taper on a taper pin?

1/4

13

What is affected when drill bit tapers get damage?

the alignment and locking capabilities

14

Cutting a taper with the compound rest has what major disadvantage?

there is no power feed

15

The headstock of a lathe is located on the?

left and contains spindle

16

The tailstock is locked in position on the ways of the lathe with the?

tailstock clamp

17

The chuck best suited for holding odd shape pieces is the?

four jaw chuck

18

Taper mandrels or arbors range from?

.006 to .008 taper per foot

19

The jacob taper per foot ranges from what sizes?

.591 to .979 inch taper per foot

20

What type of grinding wheel is best suited for grinding cemented carbide?

Silicon carbide

21

An O-ring grove would be cut with?

A form tool

22

A lathe dog is used to?

transmit drive power to a mandrel or work piece held between centres

23

A followers rest has how many jaws?

2 adjustable jaws

24

A revolving centre is installed in the?

tailstock

25

The thread chasing dial is used to?

time engagement of the split nut when cutting a thread

26

Before changing the back gear on a lathe you must?

lockout the power supply and disconnect the machine

27

When filing a work piece in a lathe

hold the file in your left hand

28

Most lapping is now done on?

flat surfaces

29

The apron hand wheel moves the carriage by means of?

rack and pinion

30

Lathe are considered to be more dangerous than other machine because?

they have not evolved with safety features like most machines