Column 1
There are six ways an object can move, called degrees of freedom. The ability to move in a straight line along an axis is called a:
freedom of translation
freedom of rotation
freedom of movement
freedom of transposition
freedom of translation
The most efficient type of locator is the:
adjustable locator pad
cylindrical locator
secondary locator
spring-loaded locator
cylindrical locator
How many minimum points of surface contact must be made on the primary datum plane when a workpiece is held in a fixture?
3
1
2
4
3
How many minimum points of surface contact must be made on the secondary datum plane when a workpiece is held in a fixture?
3
2
1
4
2
How many minimum points of surface contact must be made on the tertiary datum plane when a workpiece is held in a fixture?
2
4
3
1
1
Each tooth on a broach is higher than the one before it by an amount called the:
depth of cut
land
chipbreaker
rake angle
depth of cut
The principle types of broaching machines are the:
push and pull
internal and external
horizontal and vertical
single and double ram
horizontal and vertical
What name is given to a fixture that holds multiple identical parts?
rotary fixture
plain fixture
indexing fixture
string fixture
The rake or face angle on a broach is based on the:
cutting speed
work material
shape of the broach
cut per tooth
work material
When broaching, the term cutting speed refers to the:
chip load per tooth
ram return speed
number of workpieces produced per minute
speed in surface feet per minute (sfpm) or metres per minute (m/min)
speed in surface feet per minute (sfpm) or metres per minute (m/min)
Fixtures are most often used on:
drill presses and boring mills
drill presses and lathes
boring mills and lathes
milling machines and lathes
milling machines and lathes
Using more than one locator to constrain the same degree of freedom is called:
foolproofing
redundant location
degree of freedom
secondary locator
redundant location
The accurate location of milling fixtures is usually obtained from:
T-bolts and tenon strips
adjustable locating pins
profiles
sighting plates
T-bolts and tenon strips
The three basic types of components that make up a fixture are the:
base, locators and clamps
primary locator, fouling pin and clamps
clamps, bolts and c-washers
base, locators and workpiece
base, locators and clamps
A device that holds the workpiece and guides the cutting tool is called:
a locator
foolproofing
a jig
a fixture
a jig
Broaching is capable of producing a surface finish of:
16 microinches
125 microinches
64 microinches
32 microinches
32 microinches
Either the broach or the workpiece must turn when broaching:
helical shapes
gear teeth
internal shapes
external shapes
helical shapes
The number of finishing teeth on a broach is usually:
4
1
2
3
3
The strength of a broach is increased by the:
shear angle
pitch
radius of the tooth fillet
clearance angle
radius of the tooth fillet
Horizontal broaching machines:
can handle very long broaches
have a shorter stroke than vertical broaching machines
may require a number of shorter broaches to be used in succession for some operations
generally push rather than pull the broaches
can handle very long broaches
A device that holds the workpiece without guiding the cutting tool is called:
a locator
foolproofing
a jig
a fixture
a fixture
What method of locating on a fixtures relies on lining up the part to an engraved profile?
a surface
long post
a profile
sighting plate
sighting plate
The positioning of locators to eliminate incorrect loading is called:
primary locator
secondary locator
redundant
foolproofing
foolproofing
The six degrees of freedom that must be constrained on a workpiece when held in a fixture are:
three freedoms of translation and three of rotation
five freedoms of translation and one of freedom
four freedoms of rotation and two of translation
four freedoms of translation and two of rotation
three freedoms of translation and three of rotation
There are six ways an object can move, called degrees of freedom. The ability to rotate around an axis is called a:
freedom of transposition
freedom of translation
freedom of movement
freedom of rotation
freedom of rotation