ZCC.CT CCMT120408-HR YBD151 Carbide Turning Inserts for Cast Iron
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ZCC.CT CCMT120408-HR YBD151: Heavy-Duty Turning Inserts for Cast Iron
Product Overview
"Which turning insert grade is optimized for high-speed continuous roughing of Grey Cast Iron (GG) and Ductile Iron (GGG)?"
The ZCC.CT CCMT120408-HR YBD151 is a high-efficiency turning insert engineered specifically for the challenges of cast iron machining. The YBD151 grade utilizes a thick CVD coating (TiCN + Al2O3) on a high-strength substrate, providing excellent wear resistance and thermal stability. Featuring the HR (Heavy Roughing) chipbreaker, this insert offers an exceptionally strong cutting edge, making it the ideal choice for heavy-duty stock removal where process reliability and tool life are paramount.
Key Features
- YBD151 Specialized Grade: Optimized for high-speed continuous to light interrupted cutting of all types of cast iron.
- HR Heavy-Duty Geometry: Strong edge design specifically for roughing, capable of handling large depths of cut and high feed rates.
- Superior CVD Coating: Advanced Al2O3 layer protects against flank wear and crater wear at extreme temperatures.
- Optimized Adhesion: Reduced coating peeling and chipping, ensuring predictable tool life and consistent part quality.
Technical Specifications
ISO Model Breakdown (CCMT 120408-HR)
80° Diamond
7° Relief
Tolerance
Hole/Chipbreak
12.9mm Edge
4.76mm Thick
0.8mm Radius
Heavy Rough
| Metric Model | ANSI/Imperial Equivalent |
|---|---|
| CCMT120408-HR | CCMT 432-HR |
Recommended Cutting Data
| Workpiece Material | Cutting Speed (Vc) | Feed rate (fn) |
|---|---|---|
| Cast Iron (K10-K20) | 200 - 450 m/min | 0.25 - 0.55 mm/rev |
Compatible Holders
Designed for External and Internal Boring:
Fits all standard S-Type screw-clamping tool holders.
Industry Applications
The CCMT 120408-HR is the professional choice for Rough Machining in:
ZCC.CT Grade Comparison (Cast Iron)
| Grade | Machining Conditions | Primary Benefit |
|---|---|---|
| YBD102 | High Speed / Stable | Maximum Wear Resistance |
| YBD151 | General Purpose / Roughing | Balanced Toughness & Hardness |
Why Choose Our Tooling?
"Industrial Strength Roughing"
"Used HR chipbreaker on ductile iron castings. It handles the sand and scale much better than standard inserts."
— Markus J., Germany
"Outstanding Tool Life"
"YBD151 is very consistent. We can predict exactly when to flip the insert, which is vital for our automated cell."
— Robert T., USA
"Reliable Performance"
"Good chip control at high feeds. ZCC.CT quality is comparable to top-tier brands."
— Kenji S., Japan
Frequently Asked Questions
Q: Can YBD151 be used for steel?
A: YBD151 is specifically optimized for Cast Iron (K group). For Steel (P group), we recommend using YBC151 or YBC251 grades for better results.
Q: When should I choose HR over HM chipbreaker?
A: Choose HR for heavy roughing with large depths of cut and high feed rates. Choose HM for general-purpose medium machining and better chip control at smaller depths.
Q: Is this insert compatible with boring bars?
A: Yes, as long as the boring bar is designed for CCMT 1204 inserts (with a 7-degree relief angle).
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.