CutterFor machining heat-resistant alloys ｜ Ceramic

NTK's Pursuit of the Ultimate Cutter's Birth

Introducing a New Paradigm in Ceramic-Embedded Cutters

NTK Achieves Industry-First Triple-Blade Configuration with Ceramic Negative Inserts for φ.630″ Cutters
By utilizing double-sided, high-strength negative inserts and the high efficiency of three blades,
NTK contributes to cost-effective tooling, stable machining processes, and enhanced productivity.

Features

Enhancing Machining Efficiency Further with Increased Insert Count
Economical with Double-Sided Usable Negative Inserts
Extended Lifespan Chipbreaker

Tooling application

Milling

For aircraft parts / generator parts

Enhancing Machining Efficiency Further with Increased Insert Count

High-E ciency Machining with 3-insert Design at .630″ - Supports Maximum Table Feed of 283 ipm

Economical with Double-Sided Usable Negative Inserts

🟡 Available corners

Extended Lifespan Chipbreaker

Our Step Chipbreaker: Reduces Flaking by Lowering the Cutting Edge from the Clamping Surface of Conventional (Positive Insert) Tools.

Prevent Insert Movement During Machining with Increased Clamping Force

New clamp system (φ .630″)

Parts installation procedure video

Insert Damage Suppression with Chipbreaker-Equipped Negative Inserts and Increased Clamping Force!

	Waspaloy (Combustion Casing)
	JRF Cutter ( Negative insert)	Competitor (Positive insert)
Number of teeth	3 ( Φ.630″ )	2 ( Φ.630″ )
Table feed (ipm)	88	59
Edge Damage

[ Cutting condition ]: 1640SFM　Feed per tooth (ipt)= .0030″　D.O.C.= .0197″

Recommended Cutting conditions

Scroll the table →

Grade	Material	Operation type	Cutting speed (sfm)	Feed (ipt)	DOC (inch)	Coolant
SX3 / SX9	HRSA	Milling	1300 - 2300 – 3280	.0032 - .0039 - .0047	- .0394	DRY

Allowable rotation speed

Cutter Item number	Cutting edge dia	Tooth	Allowable rotation speed (min^-1)
JRFMH016E160R03	16	3	20,000
JRFIH0625E0625R03	5/8"		20,000
JRFMH020E200R03	20		17,500
JRFIH075E075R03	3/4"		17,500
JRFMH025E250R04	25	4	15,000
JRFIH100E100R04	1.0"	4	15,000
JRFMH032E320R05	32	5	15,000
JRFIH125E125R05	1.25"	5	15,000
JRFMH025E250R03	25	3	12,500
JRFIH100E100R03	1.0"	3	12,500
JRFMH032E320R04	32	4	12,500
JRFIH125E125R04	1.25"	4	12,500
JRFMH032E320R03	32	3	12,500
JRFIH125E125R03	1.25"

Case study

Waspaloy（Combustion case)
	JRF Cutter	Conventional
Grade	SX9 Negative insert	SX9 (RP) Positive insert
Number of teeth	5 (Φ1.25")	3 (Φ1.25")
Speed (sfm)	2624 ( 8,000rpm )	2624 ( 8,000rpm )
Feed per tooth (ipt)	.002	.002
Table feed (ipm)	78	47
D.O.C. (inch)	.0394	.0394
Tool life	2 Pass	1 Pass
Number of usable corners	8	5


Cost Productivity
NTK	68% ←
Conventional	100%

32% cost reduction!
Insert Price ÷ Number of Corners (tool life) x Number of inserts

Lineup

Scroll the table →

Cutter Item number	Cutting edge dia	Tooth	Insert Item number	IC	Thickness	Cap screw	Wedge screw	Wrench (sold separately)
JRFMH016E160R03	16	3	-SX3RNGF060300E-HNF -SX9RNGF060300E-HNF	1/4"	1/8"	HCS3P050	HWS3P050	DL-025-08-JRF
JRFIH0625E0625R03	5/8"		-SX3RNGF060300E-HNF -SX9RNGF060300E-HNF		1/8"
JRFMH020E200R03	20		-SX3RNGF060400E-HNF -SX9RNGF060400E-HNF		3/16"
JRFIH075E075R03	3/4"
JRFMH025E250R04	25	4						DL-025-20-JRF
JRFIH100E100R04	1.0"	4
JRFMH032E320R05	32	5	-SX3RNGF090400E-HNF -SX9RNGF090400E-HNF	3/8"
JRFIH125E125R05	1.25"	5
JRFMH025E250R03	25	3				HCS5P080	HWS5P080	DL-040-20-JRF
JRFIH100E100R03	1.0"	3
JRFMH032E320R04	32	4
JRFIH125E125R04	1.25"	4
JRFMH032E320R03	32	3	-SX3RNGF120400E-HNF	1/2"
JRFIH125E125R03	1.25"

NTK CUTTING TOOLS

CutterFor machining heat-resistant alloys ｜ Ceramic

NTK's Pursuit of the Ultimate Cutter's Birth