23
3
,
Auxiliary saw
16,
inching handle
17,
lock nut
18
,
fixed sheath
20,
fixed base
21,
feeding block
22,
bolt
23,
scorning saw turning base
24,
spring
25,
oriented spindle
26,
motor base
27,
nut
28
,
pressure cushion
29,
scoring saw spindle
30,
bearing
31,
scoring saw sheath
32,
bearing
33,
sheath
34,
driving belt
35,
scoring saw wheel
36,
pressure cushion
37,
motor wheel
38,
pressure cushion
39,
motor
40,
torsion spring