Milling Machines Flashcards
Whata re the factors which ffect the efficiency of a milling operation?
Cutting speed
What factors mus be considered when determining cutting speed?
type of woork material
What is meant by milling machiine feed?
Milling machine feed is defined as the distance in inches (or mm) per minute that the work moves into the cutter
What is meant by milling machiine feed?
Milling machine job moves to cutting tool while..
What are the factos which affect feed rate?
- depth and width of cut
- design or type of cutter
- sharpness of cutter
- workpiece material
- strength and uniformity of workpiece
- type of finish and accracy required
- power and rigidity of machine, holding device and tooling setup
Most of these are to limit vibrations
What is the ideal rate of speed?
Work advances into cutter,
What is the conventionalcommon way to feed work into a cuttter?
Most common method is to feed work in against the direction of the cutter
WHat is climbing (HINT: Feed direction)?
thIS IS EWHEN THE WORKPIECE IS GOING IN THE SAME DIRECTION AS the rotation
Shoud rough cuts be deep or not?
if you decrease the rpm you decrease the depth of cut
What are some common machining operations?
Open and closed pockets
What are some accessories for a milling machine?
arbor
What is a arbor and what does it do?
WHat is a collets and adapters and what are the y used for?
What are the three styles of vises?
universal
plain
swivel
WHat is an indexing or dividing head and what does it do?
Per
