MILLING MACHINE OPERATIONS - OD1644
- LESSON 1/TASK 2
power, being transformed into heat, softens the cutting edges.
Dull cutters
should be marked as such and set aside for grinding.
(5)
A cutter should never be operated backward because, due to the
clearance angle, the cutter will rub, producing a great deal of frictional
heat. Operating the cutter backward may result in cutter breakage.
(6)
Care should be taken to prevent the putter from striking the hard
jaws of the vise, chuck, clamping bolts, or nuts.
(7)
A milling cutter should be thoroughly cleaned and lightly coated with
oil before storing.
(8)
Cutters should be placed in drawers or bins in such a manner that
their cutting edges will not strike each other. Small cutters that have a
hole in the center should be hung on hooks or pegs, large cutters should be
set on end. Tapered and straight shank cutters may be placed in separate
drawers, bins, or racks provided with suitable sized holes to receive the
shanks.
3.
Conclusion
Milling cutters play an important role in performing milling machine
operations.
Knowing which cutter to select and use for a specific
operation, will at times, determine the overall quality of the final
product. The knowledge gained in this task on milling cutters will assist
you in determining the type of cutter(s) to employ for a specific operation,
to include the nomenclature, selection, use and care of milling cutters when
tasked to perform milling machine operations.
69
Previous Page
