GSC GS-66, Operation Manual, Page: 19 / 22

XIV. 4 Flute End Mill Grinding Process
Grinding procedure: I , II , III
Turn the power switch on and wait about 10 seconds until the motor rotation is stable.
※
Do not hold end mill shank while grinding, it may affect the grinding accuracy.
1. 4 Flute Secondary Relief Grinding ( I ) (Fig. 14-1)
Insert the chuck set into the Shelf ( I ), align Slot No.1 of
clamping nut to the two pins on the shelf, push the chuck set
gently until the grinding noise stops. Turn the chuck set to
grind the Slot No.2, Slot No.3 and Slot No.4 in the same way.
2. 4 Flute End Gash Grinding ( II ) (Fig. 14-2)
�
Insert the chuck set into the bushing on the Shelf ( II ),
align Slot No.1 to the two pins where marked as No.(1 ∙ 3),
push the chuck set gently until the grinding noise stops.
Turn the chuck set to grind the Slot No.3 in the same way.
�
Take the chuck set out, turn the bushing to
No.(2 ∙ 4), align No.(2 ∙ 4) to the pin on the shelf,
then insert it to the end.
�
Insert the chuck set into the bushing, align
Slot No.2 to the two pins where marked as
No.(2
∙ 4), push the chuck set gently until the
grinding noise stops. Turn the chuck set to
grind the Slot No.4 in the same way.
3. 4 Flute Cutting Face Grinding ( III ) (Fig. 14-3)
�
Insert the chuck set into the bushing on the
Shelf ( III ), align Slot No.1 to the two pins
where marked as No.1, push the chuck set
gently until the grinding noise stops.
�
Take the chuck set out, turn the bushing
to No.(2 ∙ 3 ∙ 4), align No.(2 ∙ 3 ∙ 4) to the pin
on the shelf, then insert it to the end.
�
Insert the chuck set into the bushing, align
Slot No.2 to the flat key where marked as
No.(2
∙ 3 ∙ 4), push the chuck set gently until the grinding
noise stops. Turn the chuck set to grind the Slot No.3 and Slot No.4 in the same way.
Pin
Fig. 14-1
� �
�
Bushing
Pin
Fig. 14-2
�
Pin
Bushing
�
�
Flat key
Fig. 14-3
17