Chapter XVII: =planing Machinery.=

=The Sellers= planing machine 406
The belt shifting mechanism 406, 407
The automatic feed motions 408
=Sliding Head= 408
=Cross Bar= 409
=Slides of Planers=, the various forms of construction of 410
=Wear of the Slides= of planer heads, various methods of
taking up the 410
=Swivel Heads= 411
=Tool Aprons= 411
=Swivel Tool-holding devices= for planers 411
=Planer Heads=, graduations of 412
Safety devices for 413
Feed motions for 414
V-guideways for 414
Flat guideways for 415
Oiling devices for 415
=Planing Machine Tables= 415
Slots and holes in planing machine tables 416
Forms of bolts for planer tables 417
Supplementary tables for planer tables 417
Angle plates for planer tables 418
Chucking devices for planer tables 418
=Planer Centres= 418
=Planer Chucks= 419
For spiral grooved work 419
For curved work 420
Chucking machine beds on planer tables 420
For large planing machines 422
Chucking the halves of large pulleys on a planer 423
=Gauges= for planing V-guideways in machine beds 421
Planing guideways in machine beds 422
Gauge for planer tools 424
=Planer Tools=, the shapes of 424
For coarse finishing feeds 424
The clearance of 424
For slotted work 424
=Planer Tool Holder=, with tool post 425
Various applications of 425
Simple and advantageous form of 426
Examples of application of 426