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5. Grinding
the
saw 旬 lade
'I
.)0 乞h pi 也 ch
and :feed adjustment
Make a quick check 也o see whe 也her 也he grinding head wii二h the discon-
necti吨 lever
17 (Fig. a) has been placed
in 协 e
rest
posi 也 ion.
Th,en
swi 也 ch on 材1e
machine.
Wi 乞h
a·djusting knob
16
(Fig, a)
adj 乌 st
the
travel
for 协e
feed pawl 2 (Fig. a)
so 拙的世lis
is about
1/3
greater
也ban 乞he 也ooth
pitch.
Se 毛毛he
mo
s 也 forward poin 也 o f 也he
feed pawl
wi 也h 也he
adjusting screw
13
(Fig. a) so
that 址1e
face
of 讪e 也ooth
can np longer
be. 也 ouched by~ 讪e
grinding
w总e
e l 11 (Fig •
a ）也hat
will
subsequently come up and so
that 也here
is also a space
between 也 e
eth
at this
poin 也.
Now, after previously releasing the locking lever ..
1 也
(fig. a),
set 也he poin 也 of contac 也 of
the feed pawl
wi 也h the 也ooth
face,
above 也he
rounding o
f 创1e
too 也h
gullet, by means of the -slide
12 (Fig. a) and take
care 也hat
the point of contact is maintained
during the feed.
By
opera 也 ing
the machine for short periods check
whe 也her
the. face of the
·too 也h
pos
i 也 ioned
beneath
i二he
grinding wheel
is
somewha 也也o
the
le 王 t
of the le
f 也 s
ide of the wheel in the most
forward pos
i 也 ion
of the feed pawl.
Figure Captions
飞
Fig, c - Angle tooth A
Fig. d
m 工nvolu 也e
也00 也h
B
Fig. e -
Involuta
也 00 也h
with roughing cut and finishing cut
Fig. f -
Involu 也e
也00 也h
bevelled on alternate sides
S 也raigh 也 Back
Tooth
(Ratched
Too 也h)
Fig.
C
Triple Chip Tooth
Configura也 ion
with lead and raker too
也h
(Curved Back Teeth Type
c)
Fig. e
Curved Back Teeth with alternate
side bevel (chamfer)
乒飞＿／
.. ·-
Fig. f
7
Curved Back Tooth
（工盯olute
Tooth)
Fig. d
4
四
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