Shared Flashcard Set

Details

2nd year Machinist Apprentices
Unit 1
52
Other
Not Applicable
12/20/2012

Additional Other Flashcards

 


 

Cards

Term
Name the 4 types of knee and column milling machines
Definition

UniversalHorizontal

Plain Horizontal

Standard Vertical

Ram Vertical

Term

What makes a

 milling machine universal

Definition
The table can be swiveled
Term
What is different about a manufacturing milling machine from a knee and column milling machine
Definition
They don't have a knee for vertical movement
Term
What part gives a knee and column milling machine gives transverse movement
Definition
The Saddle
Term
Which part of a knee and column milling machine gives longitudinal movement
Definition
The table
Term
What type of manufacturing milling machine has no table movement
Definition
Gantry type
Term
What does an arbour support attach to on a knee and column milling machine
Definition
The overarm
Term
Where should a dial indicator be attached when aligning the table on a universal knee and column milling machine
Definition
To the table, indicating on the machine column
Term
When is a back lash eliminator required
Definition
When climb milling
Term
What is meant by conventional milling
Definition
When the direction of forces from the cutter and the direction of feed are opposite
Term
What is another name for conventional milling
Definition
up milling
Term
What should the calculated RPM be for a 100 mm cutter using a cutting speed of 25 meters per minute
Definition
80 rpm  (25 x 320) / 100
Term
What would be the calculated feed rate using a 6" cutter rotating at 300 rpm and having 8 teeth and a chip load of 0.005 inches per tooth
Definition

12 inches per minute

 

(300 x 8 x 0.005)

Term
Where should you run the dial when aligning a vise on a milling machine table
Definition
The solid jaw of the vise
Term

What operation is being shown

[image]

Definition
Straddle milling
Term

What operation is being shown

 [image]

Definition
Gang milling
Term

What milling cutter is being shown

  [image]

Definition
Heavy duty plain milling cutter with a left hand helix
Term
What prevents the sides of plain metal slitting saws from rubbing
Definition
the sides are dished
Term

Identify the milling cutter shown

[image]

Definition
side and face milling cutter
Term

Identify the cutter shown

[image]

Definition
t slot cutter
Term

Identify the cutter shown

[image]

Definition
Concave milling cutter
Term

Identify the cutter shown

[image]

Definition
metal slitting saw
Term

Identify the cutter shown

[image]

Definition
Dove tail cutter
Term

What style of arbour would be used with the cutter shown

[image]

Definition
C style arbour
Term
One turn of the index crank would rotate a dividing head spindle ____ ?
Definition
1/40 of a turn
Term
What is the formula for simple indexing
Definition

Turns = 40 / N

N = number of divisions

Term
What is another name for direct indexing
Definition
Rapid indexing
Term
What is another name for plain indexing
Definition
Simple indexing
Term
What must be done when direct indexing
Definition
Disengage the worm from the worm gear
Term
What prevents the knee, saddle or table from over travel
Definition
limit stops
Term
What must be done when differential indexing
Definition
Disengage the index plate so it can rotate
Term
When differential indexing using a compound gear train, how many idlers are required for negative rotation
Definition
one or an odd number
Term
Where are the gears mounted when differential indexing
Definition
Between the worm shaft and the spindle
Term
What is the purpose of idler gears in a gear train
Definition
Determine the direction of rotation and to span a gap between gears.
Term
What type of manufacturing milling machine has a table and saddle but no knee
Definition
A bed type
Term
What are the two types of light duty milling machines
Definition

Hand - milling machine

Mill Drill

Term
What type of manufacturing milling machine has one axis of movement for the table
Definition
Fixed Bridge
Term
What type of teeth do plain milling cutters 3/4" and wider have
Definition
Helical teeth
Term
What are three types side milling cutters
Definition

Plain side

Half side

Staggered tooth

Term
Which side milling cutter is used for facing and straddle milling
Definition
Half side milling cutters
Term
What type of milling cutter should be mounted without a key
Definition
Metal slitting saw
Term
What is the most common included angle for a dovetail cutter
Definition
60 degrees
Term
What size is a #810 woodruff cutter
Definition
1/4" wide and 1 1/4" diameter
Term

Identify the style of arbor shown

[image]

Definition
A style
Term
Which should be tightened last, the arbor nut or the arbor support
Definition
The arbor nut
Term
Name 4 requirements for a work holding device
Definition

*Easy to set up and orient to the cutting tool

*Be rigid

*Grip the workpiece securly without causing damage

*Allow coolant to cool the cutting tool and flush away chips

Term
Is a type A angle plate ribbed or non-ribbed
Definition
Ribbed
Term
Name 5 types of mandrels
Definition

Solid

Expansion

Gang

Cone

Threaded

Term
Which method of milling reduces burrs at the end of the cut, conventional or climb
Definition
Climb
Term
What milling operation produces a flat surface perpendicular to the spindle
Definition
Face milling
Term
What milling operation produces a surface parallel to the spindle
Definition
Plain milling
Term
Where is a keyseat located
Definition
On a shaft
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