
Using a Dead Center in the Tailstock
1. ;ZZYi]ZiV^ahidX`fj^aadjiVeegdm^bViZan&¿'! i]Zci]dgdj\]anXaZVci]ZbVi^c\hjg[VXZhd[ i]Zfj^aaVcYi]ZBI(YZVYXZciZg#
Note: For stability and accuracy, the tailstock quill with the dead center mounted should protrude between 1⁄2" and 11⁄4".
2. HZVi i]Z XZciZg ^cid i]Z fj^aa! edh^i^dc i]Z iV^ahidX` hd i]Z XZciZg egZhhZh V\V^chi i]Z ldg`e^ZXZ!i]ZcadX`i]ZiV^ahidX`^ceaVXZ#
3. JhZ i]Z fj^aa ]VcYl]ZZa id [ZZY i]Z YZVY XZciZg [jgi]Zg ^cid i]Z ldg`e^ZXZ jci^a ^i ^h hcj\!i]ZcadX`i]Zfj^aa^ceaVXZ#
Note: The force against the mounted workpiece will fully seat the center's taper. However, do not overly force the center into the
4. IdgZbdkZi]ZXZciZg[gdbi]Zfj^aa!]daYdc idi]ZXZciZgl^i]dcZ]VcY!i]ZcjhZi]Zfj^aa ]VcYl]ZZa id gZigVXi i]Z fj^aa WVX` ^cid i]Z iV^ahidX`jci^ai]ZXZciZggZaZVhZh#
Offsetting Tailstock
I]Z iV^ahidX` XVc WZ d[[hZi ha^\]ian id Xji h]Va" adl iVeZgh# L]Zc i]Z iV^ahidX` ^h edh^i^dcZY idlVgY i]Z deZgVidg [gdb i]Z he^cYaZ XZciZg a^cZ! i]Z bVX]^cZY ldg`e^ZXZ l^aa WZ hbVaaZg Vi i]Z iV^ahidX` ZcY# 8dckZghZan! ^[ i]Z iV^ahidX` ^h edh^" i^dcZYVlVn[gdbi]ZdeZgVidg!i]ZiVeZgl^aaWZVi i]Zhe^cYaZZcY#
Tools NeededQty
=ZmLgZcX]+bb############################################## & LgZcX]&,bb#################################################### &
To set the tailstock offset:
1. AddhZcWdi]d[[hZiadX`^c\WdaihhZZFigure |
39# |
6Y_jhibZci8VeHXgZl |
&d[' |
AdX`^c\7dai |
&d[' |
D[[hZiHXVaZ |
Figure 39.IV^ahidX`d[[hZii^c\XdbedcZcih# |
2. 6aiZgcViZanaddhZcVcYi^\]iZci]ZildVY_jhi" bZci XVe hXgZlh jci^a i]Z YZh^gZY d[[hZi ^h ^cY^XViZYdci]Zd[[hZihXVaZ!i]ZcgZ"i^\]iZc i]ZadX`^c\Wdaih#
3. Id gZijgc i]Z iV^ahidX` WVX` id i]Z dg^\^cVa edh^i^dc! gZeZVi i]Z egdXZhh jci^a i]Z XZc" iZgZY edh^i^dc ^h gZVX]ZY! i]Zc eZg[dgb i]Z Aligning Tailstock ^chigjXi^dchdcPage 36#
<),.&&'m(.AVg\Z8dbWdAVi]Z$B^aa | "(*" |