Program Applications For Canned Cycles 150401d

Question 1

What positioning methods are meant by datum and chain?

Answer 1

Absolute and incremental

Question 2

List three pieces of information used to Dimension a bolt hole pattern with equally spaced holes?

Answer 2

Bolt circle radius, starting angle, number of holes

Question 3

What are the polarities of the for Cartesian plane quadrants?

Answer 3

I- xpos y pos
II - xneg y pos
III - xneg yneg
IV - xpos yneg

Question 4

What is the lead of a cutting tool and why is it important to know it’s size?

Answer 4

A portion of the cutting tool that doesn’t machine. Important for depths of blind holes.

Question 5

3/8 inch - 16 machine top has three imperfect threads, what is the lead?

Answer 5

Pitch X number of imperfect threads =

.1875”

Question 6

When drilling a through hole, how much should you increase the hole depth by to cut through the bottom?

AIT

Answer 6

.030”

Question 7

List for cutting tools for which you might have to compensate for the lead

Answer 7

Drill, reamer, Taps, counter boring tool

Question 8

What does the L word specify?

Answer 8

Number of times the Canned cycle command is executed

Question 9

When using polar coordinates on most machines the centre of rotation must correspond to…

Answer 9

The program zero point in the X & Y axis

Question 10

The g code used to in state the polar coordinate system is

Answer 10

G16 in state, G15 cancel

Question 11

When using polar coordinates the letters X and Y specify what

Answer 11

X is radius, Y is angle

Question 12

To determine the distance between the volt Circle Center and any hole on a bolt circle pattern in the x axis …

a) multiply the sine of the holes angle X the bolt circle radius
b) multiply the cosine of the holes angle X the bolt circle radius
c) divide the sine of the holes angle the bolt circle radius
d) divide the cosine of the holes angle by the bolt circle radius

Answer 12

a) multiply the sine of the holes angle X the bolt circle radius

Question 13

To determine the distance between the bolt circle Center and any hole on a bolt circle pattern in the y axis …

Answer 13

Multiply the cosine of the holes angle X the bolt circle radius

Question 14

If programming a counter boring tool that has a pilot, you should program the extreme end of the pilot. T or F?

Answer 14

False. You program to the cutting tip