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ALC Series Micro Long Reach Ball Nose End Mill

Ultra-precision R0.05-R0.45mm micro long reach ball nose end mills with DLC coating. Engineered for deep cavity 3D contouring and profiling in aluminum, copper, and graphite. Zero material adhesion, superior micro surface finish, extended tool life.

R0.05mm - R0.45mm Radius 2-Flute Long Reach Ball DLC Coated Extended Flute 2-10mm Non-Ferrous 3D Specialist Zero BUE in Deep 3D Cavities
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ALC Series Micro Long Reach Ball Nose End Mill
ALC Series Micro Long Reach Ball Nose End Mill

Procurement & Commercial Terms for Micro Long Reach Ball Tools

MOQ 5 pcs (micro long reach ball minimum) | 50 pcs (bulk pricing)
Lead Time 3–5 days (standard micro long reach) | 7–10 days (custom radii/lengths)
Inventory R0.05mm–R0.45mm with various flute lengths in stock. Extended lengths require careful handling
Special Handling Individual protective tubes + anti-static packaging for micro long reach ball tools
Quality Guarantee 100% inspection under microscope. Replacement for any deflection or precision defects
Shipping DHL/FedEx/UPS for samples | Air/Sea freight for bulk. Incoterms: EXW, FOB, CIF, DDP

Why Choose ALC Micro Long Reach Ball Nose for Deep Cavity Non-Ferrous 3D Machining?

 
DLC Zero Adhesion on Micro Spherical Tips

DLC coating provides ultra-low friction (<0.1 coefficient="">

 
Optimized Long Reach 3D Chip Evacuation

2-flute design provides maximum chip evacuation space in deep 3D cavities. Combined with DLC smoothness, prevents chip packing and recutting in gummy non-ferrous deep pockets.

 
±0.005mm Micro Ball Radius Accuracy

Ultra-fine grain carbide substrate with precision CNC grinding achieves exceptional spherical accuracy even at extended lengths. Essential for micro jewelry, watch components, and precision non-ferrous 3D details.

 
3-5x Extended Micro Tool Life

DLC coating reduces friction heat generation, critical for long flute micro ball tools. Extends tool life by 300-500% compared to uncoated alternatives, reducing downtime in production.

ALC Micro Long Reach Ball Nose Specifications (R0.05-R0.45mm)

ALC Micro Long Reach Ball Nose Specifications (R0.05-R0.45mm)

Model R (mm) D (mm) H(h1+h2) (mm) d (mm) L (mm) Stock
ALC-2BS-0.05-0.1-2-4-50 0.05 0.1 2(0.6+1.4) 4 50 ● In Stock
ALC-2BS-0.1-0.2-4-4-50 0.1 0.2 4(0.6+3.4) 4 50 ● In Stock
ALC-2BS-0.15-0.3-6-4-50 0.15 0.3 6(0.6+5.4) 4 50 ● In Stock
ALC-2BS-0.2-0.4-8-4-50 0.2 0.4 8(0.8+7.2) 4 50 ● In Stock
ALC-2BS-0.25-0.5-10-4-50 0.25 0.5 10(1+9) 4 50 ● In Stock
ALC-2BS-0.3-0.6-12-4-50 0.3 0.6 12(1.2+10.8) 4 50 ● In Stock
ALC-2BS-0.35-0.7-14-4-50 0.35 0.7 14(1.4+12.6) 4 50 ● In Stock
ALC-2BS-0.4-0.8-16-4-50 0.4 0.8 16(1.6+14.4) 4 50 ● In Stock
ALC-2BS-0.45-0.9-18-4-50 0.45 0.9 18(1.8+16.2) 4 50 ● In Stock

All sizes in stock | Radius tolerance: ±0.005mm | Spherical runout:<0.003mm>

Micro Long Reach Ball Tool Handling: Extended flute ball nose tools require rigid setup and optimized 3D stepover strategies. Use precision collets (ER11/ER16), minimize overhang, and employ ramp/helical interpolation instead of direct plunging. Always use climb milling for deep 3D contouring.

Material Compatibility for Micro Deep Cavity 3D Non-Ferrous Machining

Workpiece Material Suitability Deep 3D Machining Notes
Aluminum (6061, 7075, 5052) ◎ Excellent Primary application. DLC prevents adhesion on micro curves. Use high RPM with air blast for 3D profiling
Copper / Brass / Zinc ◎ Excellent DLC coating prevents smearing on micro ball tips. Ideal for intricate electrical connectors
Graphite / Carbon ◎ Excellent DLC is chemically inert. No contamination. Extended life for micro EDM electrode detailing
Precious Metals (Gold, Silver) ◎ Excellent Jewelry & watchmaking. DLC ensures fine micro-detail and smooth polish-ready 3D surfaces
Plastics / Acrylic / POM ◎ Excellent Low friction prevents melting. Clean 3D cuts with minimal burring on micro features
Steel / Hardened Steel ✗ Not Recommended DLC coating fails rapidly in steel. Use GM/PM/HM coated series for ferrous micro 3D

◎ = Excellent for Micro Deep Cavity 3D Non-Ferrous | ✗ = Not Recommended | ALC Micro Long Reach Ball Series is optimized for aluminum, copper and graphite. For steel or hardened materials, please use our GM Micro Long Reach Series.

Precision Deep Cavity 3D Applications for ALC Micro Long Reach Ball Nose

Micro Electronics Deep 3D Features

Deep 3D contouring of aluminum heat sinks, copper traces, and miniature connector housings. DLC coating ensures burr-free deep 3D walls without adhesion.

Medical & Watchmaking Deep 3D

Deep 3D profiling of surgical instruments, implant components, and watch movement parts in aluminum and brass. ±0.005mm precision meets strict tolerances.

Graphite Electrode Deep 3D Detailing

Precision deep 3D detailing of EDM electrodes. DLC coating prevents contamination and extends electrode life by 3-5x compared to uncoated tools.

Micro Deep Cavity 3D Machining Parameters & Best Practices

Recommended Deep Cavity 3D Parameters (Aluminum/Copper)
  • ✅ R0.05-R0.15mm tools: Vc=300-500 m/min, fz=0.005-0.008 mm/tooth, Stepover ≤3% D
  • ✅ R0.2-R0.3mm tools: Vc=350-550 m/min, fz=0.008-0.01 mm/tooth, Stepover ≤5% D
  • ✅ R0.35-R0.45mm tools: Vc=400-600 m/min, fz=0.01-0.012 mm/tooth, Stepover ≤8% D
  • ✅ Use air blast or mist for chip evacuation in micro aluminum 3D profiling
Critical Deep Cavity 3D Machining Tips
  • ⚠️ Use precision collets (ER11/ER16) with<0.002mm runout="">
  • ⚠️ Avoid direct plunging - use ramp/helical interpolation to protect micro ball tips
  • ⚠️ Climb milling only - reduces cutting forces and prevents work hardening on curves
  • ⚠️ Maintain constant chip load - avoid dwell to prevent heat concentration on spherical surface
  • ⚠️ Inspect under microscope before machining - check for tip chipping or coating defects

Factory Production & Quality Control

Micro long reach carbide ball nose grinding and quality inspection line

Manufacturing Process & QA Steps

  • 🔹 Substrate: Ultra-fine grain carbide optimized for DLC coating adhesion and micro ball tip strength
  • 🔹 Long Reach Ball Grinding: 5-axis CNC grinding maintains spherical radius accuracy ±0.005mm and tip concentricity
  • 🔹 DLC Coating: Diamond-like carbon applied via PVD process for uniform thickness on fragile micro spheres
  • 🔹 Inspection: 100% microscope inspection. Radius, runout, coating integrity, and tip geometry verified
  • 🔹 Packaging: Individual protective tubes with anti-static packaging for micro long reach ball tool protection

Frequently Asked Questions

DLC coating provides ultra-low friction (<0.1 coefficient) that prevents built-up edge (BUE) and material adhesion in deep micro 3D cavities. This is critical for aluminum, copper, and graphite where gummy chips can easily pack in extended flute lengths during complex 3D toolpaths.

Yes. ALC Series is specifically engineered for non-ferrous deep cavity 3D machining. The DLC coating combined with 2-flute geometry ensures continuous chip flow and zero adhesion during deep micro 3D profiling and contouring.

For micro non-ferrous deep cavity 3D: Use high RPM (25,000-50,000+), conservative stepover (2-5% D), fz=0.005-0.01 mm/tooth, and climb milling. Maintain runout <0.003mm and use air blast or MQL for chip evacuation. Avoid direct plunging - use ramp/helical interpolation.

Use precision collets with <0.002mm runout, minimize overhang beyond necessary flute length, avoid radial engagement >10% of D on entry, use ramp/helical interpolation instead of direct plunging, and maintain consistent feed rates. DLC coating reduces cutting forces, protecting fragile micro tips.

Request Quote for ALC Series Micro Long Reach Ball Nose End Mill

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