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NTK Cutting Tools

CERAMATIC Brazed

Brazed End Mills: Carbide Strength + Ceramic Speed
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Advanced Ceramic End Mills for Heat‑Resistant Alloy Machining.

A ceramic end mill with a carbide shank for superior breakage strength, ensuring stable machining and increased productivity in heat‑resistant alloy applications.
Features
  • Starting from ø6mm ø.240 inches , the lineup covers a wide variety of applications.
  • SiAlON ceramic SX9 delivers an outstanding balance of toughness and wear resistance,
    enabling machining efficiency up to 15× compared with carbide end mills.
High rigidity from the carbide shank ensures stable cutting performance and minimizes breakage risk, even in deep machining with 3–4D overhangs.
Flexural strength at room temperature
CERAMATIC Brazed Solid ceramic shank
Tool breakage

Vc = 370m/min 1200SFM f = 0.03mm/t .0012IPT ap = 0.7mm .028inches DRY Inconel718 L/D 4 ø6 ø.240”

Lineup

Ceramic brazed type Endmill 4-Flute type

Ceramic brazed type Endmill 6-Flute type

- - - Scroll the table - - -
ApplicationGradeNumber of Flute⌀D (mm) (inch) ap (mm) (inch) ae (mm) (inch) f (mm/t) (IPR) vc (m/min) (SFM) Coolant
Face Milling
SX94/6 6 .240 ≦0.9 ≦.035 ― 0.03 .001 300 – 600 – 950 980 – 1970 – 3120 DRY
8 .315 ≦1.2 ≦.050
10 .394 ≦1.5 ≦.060
1/4” ≦0.9 ≦.035
3/8” ≦1.4 ≦.055
Side Milling
SX94/6 6 .240 ≦2.0 ≦.080 ≦0.6 ≦.024 0.03 .001 300 – 600 – 950 980 – 1970 – 3120 DRY
8 .315 ≦3.8 ≦.150 ≦0.8 ≦.031
10 .394 ≦5.0 ≦.200 ≦1.0 ≦.040
1/4” ≦2.4 ≦.094 ≦0.6 ≦.024
3/8” ≦4.8 ≦.190 ≦0.9 ≦.035
Slot Milling
SX94 6 .240 ≦0.7 ≦.028 ― 0.03 .001 300 – 600 – 950 980 – 1970 – 3120 DRY
8 .315 ≦1.2 ≦.050
10 .394 ≦2.0 ≦.080
1/4” ≦0.75 ≦.030
3/8” ≦1.8 ≦.071
6 8 .315 ≦0.8 ≦.031 ― 0.03 .001 300 – 600 – 950 980 – 1970 – 3120 DRY
10 .394 ≦1.25 ≦.050
3/8” ≦1.2 ≦.047
Note: Exceeding the recommended cutting conditions may result in brazed joint separation or tool failure.
Please machine within the recommended cutting condition range.
  • Please machine at a cutting speed of 300m/min 1000SFM or higher.
  • A ramping angle of 0.5° is recommended.*
  • Tool paths in which the cutting edge leaves the workpiece during machining may cause rapid cooling of the cutting edge, increasing the risk of chipping or damage. Continuous machining is therefore recommended.** (See below)
  • A high‑speed rotation–capable collet chuck is recommended.
    When using a hydraulic chuck or shrink‑fit chuck, apply air blow to the arbor body.
    Do not blow air directly onto the end mill body.
*Recommended ramping angle
**Recommended tool path
Aircraft part
Material :
Inconel718
Cutting speed :
370 m/min 1200 SFM (Ceramatic Brazed SX9)
21 m/min 70 SFM (competitor’s carbide end mill)
Feed :
0.03 mm/t .0012 IPT (Ceramatic Brazed SX9)
0.06 mm/t .0024 IPT (competitor’s carbide end mill)
DOC :
0.5 mm .020 inch (Ceramatic Brazed SX9)
1.0 mm .040 inch (competitor’s carbide end mill)
Coolant :
DRY(Ceramatic Brazed SX9)
WET(competitor’s carbide end mill)
Ceramatic Brazed SX9
RCEM060H4R150B
16 per blade

7.2 cm3/min
Competitor’s carbide end mill
1 per blade
1.5 cm3/min

With outstanding wear resistance, Ceramatic Brazed SX9 delivers 16 times longer tool life than conventional tool.

CERAMATIC Brazed SX9 enables high‑speed machining, providing up to 4 times higher productivity than conventional tool.

Aircraft part
Material :
Inconel718
Cutting speed :
314 m/min 1030 SFM (CERAMATIC Brazed SX9)
46 m/min 150 SFM (competitor’s carbide end mill)
Feed per tooth:
0.03 mm/t .0012 IPT (CERAMATIC Brazed SX9)
0.02 mm/t .0008 IPT (competitor’s carbide end mill)
Feed speed:
1,217 mm/min 47.913 IPM (CERAMATIC Brazed SX9)
152 mm/min 5.984 IPM (competitor’s carbide end mill)
DOC :
3.0 mm .120 inch (CERAMATIC Brazed SX9)
1.0 mm .040 inch (competitor’s carbide end mill)
Groove width :
0.8 mm .030 inch (CERAMATIC Brazed SX9)
2.0 mm .080 inch (competitor’s carbide end mill)
Coolant :
DRY(CERAMATIC Brazed SX9)
WET(competitor’s carbide end mill)
CERAMATIC Brazed SX9
RCEM100H4R150B
2.9 cm3/min
Competitor’s carbide end mill
0.2 cm3/min

CERAMATIC Brazed SX9 allows higher cutting speed and larger depths of cut, providing up to 12 times higher productivity compared with conventional tool.

View more reports
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