MILLING MACHINE OPERATIONS - OD1644 - LESSON 1/TASK 1
TABLE 4.
INVOLUTE GEAR MILLING CUTTERS.
(a)
Fasten the indexing fixture to the milling machine table.
Use a
mandrel to mount the gear between the index head and the footstock centers.
Adjust the indexing fixture on the milling machine table, or adjust the
position of the cutter, to make the gear axis perpendicular to the milling
machine spindle axis.
(b)
Take the cutter bit that has been ground to the shape of the gear
tooth spaces and fasten it in the flycutter arbor.
Adjust the cutter
centrally with the axis of the gear. Rotate the milling machine spindle to
position the cutter bit in the flycutter so that its cutting edge is
downward.
(c)
Align the tooth space to be cut with the flycutter arbor and cutter
bit by turning the index
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