Grizzly G4791 Lathe User Manual


 
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Note: The thread dial is not used when cutting
metric threads. Once the half-nut is engaged,
you must leave it engaged until the threads are
complete.
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Figure 64.>aajhigVi^dcd[i]gZVYY^Va#
Follow these rules and refer to the chart in
Figure 63 when using the thread dial:
s >[ndjghZaZXiZYi]gZVYe^iX]^hVcnbjai^eaZd[
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l^i]djigZ[ZgZcX^c\i]Zi]gZVYY^Va#
Note: The thread pitch of the longitudinal
leadscrew is 8.
 ;dgXjii^c\VcZkZcdgVcdYY!l]daZcjbWZg
i]gZVYe^iX]!Zc\V\Zi]Z]Va["cjidcVcna^cZ
d[i]Zi]gZVYY^VahZZFigure 64#
 L]ZcXjii^c\]Va["i]gZVYhZ#\#!)
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i]Z]Va["cji dci]Z& VcY(!dg i]Z'VcY)#
L]^X]ZkZg XdbW^cVi^dc ndj X]ddhZ! hiVn
l^i] i]dhZ cjbWZgh jci^a i]Z i]gZVYh VgZ
XdbeaZiZ#
 >[ndjVgZXjii^c\fjVgiZg"i]gZVYhZ#\#!*
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Zc\V\Zi]Z]Va["cjidcVcncjbWZgVcYjhZ
i]Vi cjbWZg[dg ZVX] eVhhjci^ai]Z i]gZVYh
VgZXdbeaZiZ#
Thread Pitch Thread Dial Setting
6cnbjai^eaZd[- CdcZgZfj^gZY
L]daZ cjbWZg·ZkZc
dgdYY
DcVcna^cZ
=Va[i]gZVYhZ#\#!)
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dg'VcY)
FjVgiZg i]gZVYh Z#\#!
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6cn cjbWZg VcY jhZ
i]Z hVbZ cjbWZg [dg
VaaeVhhZh#
Figure 63.I]gZVYY^VaX]Vgi#