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Obejrzyj na YouTube4-Flute · TiSiN · R3mm Ball · HRC55 · Standard Reach
6mm 4-Flute TiSiN Solid Carbide Ball Nose End Millfor HRC55 3D Contouring & Mould Work
The 4-flute TiSiN ball nose end mill is engineered for finishing passes and semi-finish Z-level contouring in steel and stainless steel up to HRC55. More cutting edges reduce per-tooth chip load, enabling higher feed rates while maintaining lower surface scallop height (Ra). TiSiN coating withstands the elevated temperatures of continuous 3D contouring on hardened mould surfaces without edge chipping.
R3mm BallD1 6mmL2 30mmD2 6mmOAL 100mm4 FlutesTiSiNHRC55Standard ReachMOQ 1 pc
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Cena referencyjna
68,28 zł
Cena ref. fabryki (PLN)
wg kosztu pręta na 2026-07-10. Wycena końcowa może się różnić.
R3mm 4F TiSiN Ball Nose EM
L2 30mm · D2 6mm · OAL 100mm
Standard Reach · HRC55
✓ Factory direct pricing
✓ MOQ 1 piece, ships 1–5 days
✓ Custom ball radii available
Full Dimensions
Technical Specifications
| Ball Radius (R) | 3 mm |
| Cutter Diameter (D1 h7) | 6 mm |
| Flute Length (L2) | 30 mm |
| Shank Diameter (D2 h6) | 6 mm |
| Overall Length (L1) | 100 mm |
| Number of Flutes | 4 |
| End Geometry | Ball Nose (Spherical) |
| Coating | TiSiN Titanium Silicon Nitride |
| Max Material Hardness | HRC55 |
| Reach Category | Standard (D2/L1 = 0.060) |
| Substrate | K10/K20 Ultra-Fine Grain Carbide |
| Shank Tolerance | h6 |
| MOQ | 1 piece |
| Lead Time (standard) | 1–5 business days |
| Lead Time (custom) | 5–15 business days |
TiSiN · 4 Flute · HRC55
Ball R
3mm
D1 h7
6mm
L2
30mm
D2 h6
6mm
L1
100mm
Reach
Standard
Where This Tool Excels
R3mm TiSiN 4F — Recommended Applications
- ▸Mould cavity 3D finishing and detail contouring
- ▸Aerospace turbine blade fillet machining
- ▸Die casting insert surface finishing
- ▸Medical device complex surface profiling
Machining Tip: R3mm is the most popular size for die and mould work. In HRC55 hardened steel, use 5–10% D1 step-over for semi-finishing, 2–5% for finishing. Feed rate 0.02–0.06 mm/tooth; adjust to keep scallop height ≤ 0.005mm for polishing-free finish.
3D Finishing Reference
Scallop Height vs Step-Over — R3mm
Residual scallop height (cusps) between adjacent tool paths, calculated for R3mm ball nose:
| Step-Over | Step-Over mm | Scallop Height (µm) | Typical Ra (µm) |
|---|---|---|---|
| 2% D1 | 0.12 | 0.6 | ≈ 0.12 |
| 5% D1 | 0.30 | 3.8 | ≈ 0.75 |
| 8% D1 | 0.48 | 9.6 | ≈ 1.92 |
| 10% D1 | 0.60 | 15.0 | ≈ 3.01 |
| 15% D1 | 0.90 | 33.9 | ≈ 6.79 |
| 20% D1 | 1.20 | 60.6 | ≈ 12.12 |
h = R − √(R² − (ae/2)²). Actual Ra depends on feed rate, chip load, and material.
ISO PISO MISO K
Coating Performance
TiSiN — Why It Works for Ball-End Machining
- ▸TiSiN hardness > 3,500 HV — superior to TiAlN on ball-end profiles
- ▸Low friction reduces heat at ball-tip during 3D contouring
- ▸Suitable for dry, MQL, or flood coolant environments
- ▸4-flute: lower scallop height per pass for finishing operations
Related Ball Nose Variants
Same Size in Other Coatings
Same Ball Radius, Different Reach
R3mm TiSiN · 4 Flute · HRC55 — Other Flute Lengths
Order R3mm 4-Flute TiSiN Ball Nose Today
Factory direct. MOQ 1 piece. Pricing confirmed within 4 hours.
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