Half-Nut Lever
L]Zc i]Z [ZZY hZaZXi^dc aZkZg VcY XVgg^V\Z adX` VgZ Y^hZc\V\ZY! i]Z ]Va["cji aZkZg Figure 59 XVc WZ bdkZY YdlclVgY [gdb i]Z Y^hZc\V\ZY jeeZg edh^i^dc id XaVbe i]Z ]Va[ cji VgdjcY i]Z aZVYhXgZl[dgi]gZVY^c\deZgVi^dch#
9^hZc\V\ZY
:c\V\ZY
Figure 59.=Va[cjiaZkZg#
DO NOT engage the half nut if the leadscrew will rotate over 200 RPM, or if the carriage lock is applied. Disregarding this warning may cause damage to the bearings or the leadscrew shear pin to break.
Thread Dial
L]ZcXjii^c\^cX]i]gZVYhVcYi]ZeVhh]VhWZZc XdbeaZiZY!i]Zi]gZVYY^VahZZFigure 60Vaadlh i]ZbVX]^c^hiidY^hZc\V\Zi]ZXVgg^V\Z[gdbi]Z aZVYhXgZl!VcYfj^X`angZijgci]ZXVgg^V\Z[dgi]Z cZmieVhh#7VhZYdci]Zi]gZVYIE>WZ^c\Xji!VcY l]Vi^h^cY^XViZYdci]Zi]gZVYX]Vgi!i]ZY^Va^cY^" XViZhl]ZgZi]ZbVX]^c^hibjhigZ"XaVbei]Z]Va[ cji^cdgYZgidgZhjbZi]ZhVbZi]gZVYidVkd^Y Xgdhh"Xjii^c\i]gZVYh#
L]ZcXjii^c\bZig^XVcYdi]ZgineZhd[i]gZVYh!i]Z i]gZVYY^VabjhiWZY^hZc\V\ZY[gdbi]ZaZVYhXgZl! VcYi]Z]Va[cjiXaVbeZYidi]ZaZVYhXgZljci^ai]Z i]gZVYh VgZ XdbeaZiZ# Di]Zgl^hZ i]Z eVi] d[ i]Z hVbZ i]gZVY l^aa WZ adhi# 6aa XVgg^V\Z gZijgch [dg cdc"^cX] i]gZVYh VgZ bVYZ Wn WVX`^c\ i]Z idda ed^cidjid[i]Zi]gZVY!VcYgZkZgh^c\he^cYaZgdiV" i^dcl^i]i]Zhe^cYaZDC$D;;aZkZg#
Id Zc\V\Z i]Z i]gZVY Y^Va! addhZc i]Z bdjci^c\ XVehXgZl!i]Zce^kdii]ZY^Va^cidi]ZaZVYhXgZl hd i]Z \ZVg iZZi] bZh] l^i] i]Z aZVYhXgZl# GZi^\]iZci]ZXVehXgZlid]daYi]Zi]gZVYY^Va^c eaVXZ#
BdYZa<%,%.B[\#H^cXZ*$&&
Thread Chart
I]Zi]gZVYY^VaX]Vgi^hadXViZYdci]Z]ZVYhidX` | ||
XdkZg!Vhh]dlc^cFigure 60 | VcY61# | |
I]gZVY9^Va | I]gZVY9^Va | |
8]Vgi | ||
| ||
Figure 60. I]gZVYY^VaX]VgiVcYi]gZVYY^Va | ||
adXVi^dch# |
| |
Figure 61.I]gZVYY^VaX]Vgi# |
"),"