Chapter XXII: =milling Machinery and Milling Tools.=

=The Milling Machine=; Advantages possessed by 1
The hand milling machine 1
Power milling machine 2
Universal milling machines 2, 3
The Brown and Sharpe Universal Milling Machine, general view of 4
The construction of the bearings and of the head 5
Sectional view of head 6
The dividing mechanism 6
The index plate 7
Table of index holes for gear cutting 7
The automatic feed motion 8, 9
Special index plate for gear cutting 9
The Brainard Milling Machine 9
The various attachments of 10
The rotary vise 10
Universal head and back centre 10
Universal head for gear cutting 11
The head for cutting spirals 12
The cam cutting attachment 12
The Lipe Universal Milling Machine 12
Sectional view of the Lipe machine 13
The feed motions of the Lipe machine 13
The index head of the Lipe machine 14
The adjustable centre rest 14
The Universal Milling Machine for heavy work 15
Construction of the driving gear and feed motion 15
Pratt and Whitney's double spindle milling machine 16
=Milling Cutters or Mills= 16 to 24
Cutters with spiral teeth 17
Table of sizes of Brown and Sharpe standard cutters 17
Table of standard sizes of Brainard cutters 17
Face cutters 17
Twin cutters and right and left hand cutters 18
Advantages and disadvantages of face cutters 18
Angular cutters 19
Right and left angular cutters 19
The Brown and Sharpe patent cutters 19
Shank cutters 19
The direction of the feed for shank cutters 20
Applications of shank cutters 21
Sizes of shank cutters 21
Fly cutters 21
Different methods of making fly cutters, and the advantages and
defects of each method 21
Circular cutters, and holders for fly cutters 22
Matched cutters; methods of matching cutters 23
Gang or composite cutters; cutters with inserted teeth 24
=Cutter Arbors= 25
=Milling= 25 to 30
Comparison of the advantages of end milling, face milling,
and twin milling 25
The length of feed in face milling 26
Cutting grooves in cylindrical work 27
Angular cutters for groove cutting 27
The crowding of grooving cutters and how to avoid it 27
The direction of the feed in cutting spiral grooves 27
Setting angular grooving cutters 28
Cutting right and left hand grooves and determining the
direction of the feed for the same 29
Fluting twist drills 29
Finding the angle of the cutter in cutting spiral grooves 29
Producing different shaped grooves with the same cutter 29, 30
Holding work on the milling machine; milling taper work 30
=Chucks for Milling Machines= 31
=Vertical Milling Machine= 31
=Profiling Machine= 31, 32
=Grinding Machine=, for milling cutters 32 to 37
Fixture for grinding parallel cutters 32
Errors in grinding milling cutters 32
Grinding thin cutters 33
Grinding taper cutters 33
Fixture for grinding taper work 33
Fixture for taper cutters and for face cutters 34
The position of the emery wheel and clearance on the cutter 35
Grinding the teeth of spiral cutters 36
Positions of emery wheels in cutter grinding as affecting the
strength of the cutting edges 36, 37