Grizzly G9972Z Lathe User Manual


 
<..,'O&&m'+AVi]Zl$<ZVgWdm
"'("
Centers
I]ZBdYZa<..,'OaVi]Z^cXajYZhVcBI(YZVY
XZciZg [dg i]Z iV^ahidX` fj^aa VcY Vc BI) YZVY
XZciZg[dgi]Zhe^cYaZ#
BViX]^c\iVeZgh^ci]Zhe^cYaZ VcYiV^ahidX`fj^aa
egdk^YZ i]Z adX`^c\ VXi^dc [dg ^chiVaa^c\ i]Z XZc"
iZgh# 7Z[dgZ ^chZgi^c\ Vcn XZciZg dg VgWdg! bV`Z
hjgZ i]Z bVi^c\ hjg[VXZh VgZ eZg[ZXian XaZVc# >[
d^a dg\g^i ^h egZhZci dci]ZbVi^c\ hjg[VXZh!i]Z
iVeZgh l^aa cdi ^ciZgadX` dg l^aa WZ ZmigZbZan Y^["
[^Xjai id gZbdkZ# I]ZhZ eVgih l^aa aVhi adc\ VcY
gZbV^cVXXjgViZ^[egdeZganbV^ciV^cZY#
8ZciZgh VgZ bdhi d[iZc ^chiVaaZY ^c i]Z iV^ahidX`
fj^aadgjhZYl^i]i]Z[VXZeaViZhZZFigure 22[dg
ZmVbeaZh#
Figure 22.8ZciZgh^chiVaaZY^ci]ZiV^ahidX`fj^aa
VcYi]Zhe^cYaZl^i]V[VXZeaViZ#
A^kZXZciZghVgZine^XVaanWj^ail^i]WZVg^c\hVcY
he^cYjg^c\jhZ!hdi]ZnYdcdicZZYajWg^XVi^dc#
=dlZkZg! YZVY XZciZgh Yd cdi he^c Yjg^c\ jhZ
VcYgZfj^gZi]Zi^eidWZXdchiVcianajWg^XViZYl^i]
Vci^"hZ^oZ\gZVhZ#
NOTICE
To avoid premature wear of the dead center
or damage to the workpiece, always keep
the dead center tip well lubricated during
use.
Using a Center in the Spindle
1. 9>H8DCC:8IA6I=:;GDBEDL:G
2. I]dgdj\]an XaZVc i]Z bVi^c\ hjg[VXZh d[
i]ZXZciZgVcYhe^cYaZ!i]Zc[^gban^chZgii]Z
BI)YZVYXZciZg^cidi]Zhe^cYaZ#
Note: When using the dead center in the
spindle, use a lathe dog so that your part will
rotate with the spindle.
3. IdgZbdkZi]ZXZciZg[gdbi]Zhe^cYaZ!^chZgi
V e^ZXZ d[ gdjcY WVg hidX` dg h^b^aVg idda
i]gdj\]i]Z djiWdVgYZcYd[ i]Zhe^cYaZdc
i]Z aZ[ih^YZd[ i]Z ]ZVYhidX`! i]ZciVei]Z
XZciZgaddhZ#
Note: Hold onto the center as you tap it loose
to avoid it dropping it and damaging the tip or
the bedways.
Using a Center in the Tailstock
1. ;ZZY i]Z iV^ahidX` fj^aa dji VWdji &! i]Zc
^chZgii]ZBI(YZVYXZciZg^cidi]Zfj^aa#
2. Edh^i^dc i]Z iV^ahidX` hd i]Z XZciZg egZhhZh
V\V^chii]Zldg`e^ZXZ!i]ZcadX`i]ZiV^ahidX`
^ceaVXZ#
3. ;ZZY i]Z fj^aa VcY YZVY XZciZg ^cid i]Z
ldg`e^ZXZ!i]ZcadX`i]Zfj^aa^ceaVXZ#
Note: The force against the mounted
workpiece will fully seat the center's taper.
4. IdgZbdkZi]ZXZciZg[gdbi]Zfj^aa!]daYdc
idi]ZXZciZgl^i]dcZ]VcY!i]ZcgZigVXii]Z
fj^aa WVX` ^cid i]Z iV^ahidX` jci^a i]Z XZciZg
edeh[gZZ#