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Unit 13 CNC

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.

From the below what would you find on a drawing related to component specification?

a)

Dimension

b)

Form

c)

Date of expiry

d)

Surface Texture

e)

Material

2.

Select to below important reasons for completing a first off inspection sheet ?

a)

For Reference

b)

Evidence of Performance

c)

Audit Process

d)

Looks good

3.

What information wouldn't be included on a first off inspection sheet?

a)

Machine used

b)

Date of Check

c)

Part No.

d)

Supervisor

e)

Inspector

4.

MDI is a way of inputting data into a program controller what does MDI stand for?

a)

Media Dependant Interface

b)

Multi Drawing Interface

c)

Manual Data Input

d)

Machine Debugger Interface

5.

A D (a)   link is a method of inputting data ?

6.

Select the ways in which a program can be helped by the prove out process ?

a)

Shows false moves

b)

Possible collision

c)

operators skill level

d)

Cycle Time

7.

What are the follow codes G00, M30, G71 and T6

a)

Rapid Movement, Stop and Rewind, Metric,

Feed Rate

b)

Feed rate Movement, Stop Program, Metric,

Tool change (T6)

c)

Feed rate Movement, Stop and Rewind, Metric,

Tool change (T6)

d)

Rapid Movement, Stop and Rewind, Metric,

Tool change (T6)

8.

What does the term Modal Function Codes mean

a)

Codes that can not be replace

b)

Codes that set a mode and lock it in place

c)

Codes that remain in use until replaced by another related code

d)

A tooling code that the machine reminds you to replace.

9.

A fixed sequence of permanently held machine instructions is more commonly know as ?

(a)  

10.

Which one of the below is not an example of a Canned Cycle ?

a)

Pocket Milling

b)

Laser profile

c)

drilling

d)

Tool change

e)

Punching cycle

11.

The image show one of the ways in which _____ _____ can be calculated

a)

Feed Rate

b)

Polar Angle

c)

Surface Speed

d)

Spindle Speed

12.

How is the drawing show dimensioned?

a)

Absolute

b)

Incremental

13.

What type of movement does repeated moves at set pitches relate to ?

a)

Absolute

b)

Incremental

14.

select the below that would use one or more rotary axes ?

a)

Holes around a circumference

b)

Spiral Cutting

c)

Turbine Blades

d)

Turning with active Tooling

15.

When calculating the X and Y location what two formula would be used when you know the Hyp and angle ?

a)

COS

b)

SIN & TAN

c)

SIN & COS

d)

COS & TAN

16.

When calculating the angle, when you have the X and Y what formula would you use ?

a)

COS

b)

TAN

c)

SIN

d)

COS & TAN

17.

State one risk to an operator while working a CNC ?

4 lines
18.

In relation to PUWER which of the below is not a requirement or controlled factor ?

a)

Warning Signs

b)

Maintenance

c)

Suitability

d)

Age

19.

What does HSE stand for ?

(a)  

20.

Select the processes related to cnc machining ?

a)

Thermal Cutting

b)

EDM

c)

DIE Sinker

d)

Fabrication

e)

Metal Cutting