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
![](/global/products/hrsa/jrf/image/data_01.png)
Enhancing Machining Efficiency Further with Increased Insert Count
![cutter body](/global/products/hrsa/jrf/image/data_02.png)
High-E ciency Machining with 3-insert Design at .630″ - Supports Maximum Table Feed of 283 ipm
![cutter body](/global/products/hrsa/jrf/image/data_03.png)
Economical with Double-Sided Usable Negative Inserts
![Negative inserts](/global/products/hrsa/jrf/image/data_07.png)
🟡 Available corners
Extended Lifespan Chipbreaker
Our Step Chipbreaker: Reduces Flaking by Lowering the Cutting Edge from the Clamping Surface of Conventional (Positive Insert) Tools.
![Step chipbreaker](/global/products/hrsa/jrf/image/data_08.png)
Prevent Insert Movement During Machining with Increased Clamping Force
![New clamp system](/global/products/hrsa/jrf/image/data_04.png)
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 | ![]() |
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- [ 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" | ||
JRFMH020E200R03 | 20 | 17,500 | |
JRFIH075E075R03 | 3/4" | ||
JRFMH025E250R04 | 25 | 4 | 15,000 |
JRFIH100E100R04 | 1.0" | ||
JRFMH032E320R05 | 32 | 5 | 15,000 |
JRFIH125E125R05 | 1.25" | ||
JRFMH025E250R03 | 25 | 3 | 12,500 |
JRFIH100E100R03 | 1.0" | ||
JRFMH032E320R04 | 32 | 4 | 12,500 |
JRFIH125E125R04 | 1.25" | ||
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 |
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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" | |||||||
JRFMH020E200R03 | 20 | -SX3RNGF060400E-HNF -SX9RNGF060400E-HNF |
3/16" | |||||
JRFIH075E075R03 | 3/4" | |||||||
JRFMH025E250R04 | 25 | 4 | DL-025-20-JRF | |||||
JRFIH100E100R04 | 1.0" | |||||||
JRFMH032E320R05 | 32 | 5 | -SX3RNGF090400E-HNF -SX9RNGF090400E-HNF |
3/8" | ||||
JRFIH125E125R05 | 1.25" | |||||||
JRFMH025E250R03 | 25 | 3 | HCS5P080 | HWS5P080 | DL-040-20-JRF | |||
JRFIH100E100R03 | 1.0" | |||||||
JRFMH032E320R04 | 32 | 4 | ||||||
JRFIH125E125R04 | 1.25" | |||||||
JRFMH032E320R03 | 32 | 3 | -SX3RNGF120400E-HNF | 1/2" | ||||
JRFIH125E125R03 | 1.25" |
![](/global/products/hrsa/jrf/image/data_10.png)
Product video
Catalog
Contact
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Useful information
Points for maximizing the performance of ceramic insert〔 Milling roughness to semi-finishing of heat-resistant alloys 〕
Points for maximizing the performance of ceramic insert 〔 Rough to semi-finish turning of heat-resistant alloys 〕
Tips for effectively cutting nickel-based alloys by knowing the material’s characteristics
How to Make Ceramic Cutting Tools from Scratch