MITSUBISHI MATERIALS CORPORATION
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CBN GROOVING SERIES GY/MG

FEATURES
A combination with a high rigidity holder ensures high accuracy and long tool life.
Holder rigidity is essential when grooving hardened steel. The GY series TriForce system offers high rigidity equivalent to a solid type tool. MG has a wide insert location face for high gripping force. The insert and holder combination allows delivery of excellent performance when grooving hardened steel.
Product line-up for different holder properties
MG for narrow grooves and GY for general grooves are both available to allow selection of the most suitable tool.
NEW HONING TYPES

RECOMMENDED CUTTING CONDITIONS
RECOMMENDED CUTTING CONDITIONS
RECOMMENDED CUTTING CONDITIONS
CUTTING PERFORMANCE
Tool life evaluation for the GY holder
CUTTING PERFORMANCE
<Cutting Conditions>
Workpiece:
Alloy steel (HRC60)
Cutting Speed:
120m/min
Feed:
0.1mm/rev
Depth of Cut:
0.35mm
Dry Cutting
 

APPLICATION EXAMPLE
Insert GY1G0300F020N-GFGS (Grade : MB8025) MGTR43200 (Grade : MB8025)
Workpiece Transmission shaft (Alloy steel (HRC58～62))
image		 Transmission shaft (Alloy steel (HRC61～65))
image
Cutting
Conditions		 Cutting
Speed
(m/min)		 129 100
Feed
(mm/rev)		 0.1 0.05
Result graph
GY achieves longer tool life without fracturing.		 graph
2.5 times longer tool life than the conventional insert.