LATHE OPERATIONS - OD1645 - LESSON 1/TASK 1
The answer computed with this formula must be worked out to five places to
the right of the decimal point.
The number is converted to degrees and
minutes by reference of the tangent trigonometric tables in FM 43-3 or the
American Machinists Handbook.
tan L
=
0.41650
tan L
=
2237'
(3) Taper Attachment.
(a) The taper attachment (figure 30) has many features of special value,
among which are the following:
1 The lathe centers remain in alignment and the center holes in the
work are not distorted.
FIGURE 30.
TAPER ATTACHMENT.
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