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<%+,%&+m)%=^\]EgZX^h^dc:KHAVi]Z
For fractional TPI: Numbers 2 or
4, 1 or 3, or any two opposing
marks can be used.
For all other even numbered
TPI: Any number or mark can be
used. Note: Since the leadscrew
is 4 TPI, then the thread dial is
not needed for any thread that is
divisible by 4.
Thread Dial
I]^haVi]Z^hZfj^eeZYl^i]Vi]gZVYY^Vai]ViaZih
ndj `cdl l]ZgZ dc i]Z aZVYhXgZl ndj XVc gZ"
Zc\V\Z i]Z ]Va[ cji id gZhjbZ ^cX] dg l]^ildgi]
i]gZVY^c\#=dlZkZg!h^cXZi]ZaZVYhXgZl^h)IE>!
i]Zci]Zi]gZVYY^Va^hcdicZZYZY[dgVcni]gZVY
i]Vi^hY^k^h^WaZWn)#;dgi]gZZZmVbeaZh!gZ[Zgid
i]Z>cY^XVidgIVWaZ^c
Figure 65
VcYhZZ
Figure
66
[dgY^VaadXVi^dch#
;dgbZig^X!Y^VbZig^Va!VcYbdYjaZi]gZVY^c\!i]Z
i]gZVY Y^Va ^h cdi jhZY VcY ndj bjhi aZVkZ i]Z
]Va[ cji aZkZg Zc\V\ZY jci^a i]Z i]gZVY^c\ _dW ^h
XdbeaZiZ#
Figure 66.
I]gZVYY^VajhZ#
NOTICE
Always use the slowest speed possible for
threading, and avoid deep cuts or you may
not be able to disengage the half nut to
prevent an apron crash!
For 3, 5, 7, 9, 11, 13, 15, 19, 23, 27
odd TPI: Any four grouped num-
bers or marks can be used.
Figure 65.
>cY^XVidgiVWaZ#
Summary of Contents for G0670
Page 85: ... m EgZX h dc KH AVi Z Headstock Lubrication System ...
Page 87: ... m EgZX h dc KH AVi Z Headstock Spindle Motor ...
Page 90: ... m EgZX h dc KH AVi Z Headstock Shifting System ...
Page 94: ... m EgZX h dc KH AVi Z Gearbox Shift System ...
Page 96: ... m EgZX h dc KH AVi Z Gearbox Leadscrew and Feedrod Drive ...
Page 98: ... m EgZX h dc KH AVi Z Carriage Controlrod Feedrod Leadscrew ...
Page 100: ... m EgZX h dc KH AVi Z Carriage Apron Drive and Shift System ...
Page 102: ... m EgZX h dc KH AVi Z Carriage Saddle and Slide ...
Page 107: ... m EgZX h dc KH AVi Z Bed Tailstock ...
Page 109: ... m EgZX h dc KH AVi Z Accessories and Coolant System ...
Page 112: ... m EgZX h dc KH AVi Z Notes ...