Milling Flashcards
Universal horizontal milling machines have a swivel?
T
F
True
Horizontal milling machines can be converted in to vertical milling machines?
T
F
True - they can with the use of a vertical attachment.
Ram type vertical milling machines are the most versatile but lack what?
Lack rigidity of other knee and column type milling machines and are also lightly constructed.
How are knee and column type milling machines sized?
They are sized according to the range of movement possible.
The base on a knee and column milling machine does what?
Supports the column a provides rigidity and stability.
The column on a knee and column milling machine does what?
Provides support for the horizontal spindle and encloses the spindle motor.
The over arm supports!
The arbor support, which in return supports the free end of the arbor.
The saddle sits on top of what part of the horizontal milling machine?
The knee
The table rides in dovetail ways machined on top of the saddle?
Yes it sure as fuck does!
The feed rate on most milling machines is controlled by a gearbox located where??
In the knee
The spindle milling machine taper has a ____ inch taper per foot
3 1/2 inch taper per foot
Parts of the portable key-seat are
V-base Bar and chain clamp Upper frame with hand crank Dove tail Motor with collet chuck.
The most common cutting too found in a machines shop (end mill)
Solid end mill
When milling your depth of cut should be?
1/2 inch the diameter of the cutter
What type of endmill I used for plunging ?
Two fluted endmills
What is an arbor?
An arbor is a long or short bar that holds the milling cutter in place while cutting.
The draw bolt in the milling machine secures the __________ in the spindle
Arbor
A Jacobs taper adapter is used for what?
Used for fitting a drill chuck to the spindle of a milling machine.
What is the most rigid clamping set up when working on a milling machine
The most rigid setup is to clamp the work directly to the milling machine.
Step blocks support what?
Step blocks support the back end of a strap clamp
Chip load is the___________ of____________ by each tooth per revolution
Amount of metal
How is the depth of cut determind?
By the strength of the cutter and rigidity of the setup
If the endmill is deflecting and the accuracy of cut is important what should you do to correct it?
Reduce the depth of cut
Climb milling is suitable for castings?
False it is not because the cutter dulls quickly
Each time the vertical head is installed what must you do?
Dial it in to make sue the vertical spindle is perpendicular to the surface of the table
Rapid traverse means -
Travel
What is a sheer pin designed for to protect on a lathe?
Quick change gear-box
