Kyocera CNMG120408HQ CA115P TML00078 Turning Insert - Steel Roughing
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- Stock: In Stock
- Model: CA115P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TML00078
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Product Overview
The CNMG120408HQ CA115P TML00078 is a premium heavy-duty chipbreaker for roughing and interrupted cuts in steel manufactured by Kyocera. This indexable carbide insert features a 80° Rhombic (CN) with 4 usable cutting edges, delivering exceptional value and productivity in CNC turning operations. The CA115P grade employs advanced CVD multi-layer coating technology with a highly oriented alumina layer and specialized TiCN coating, providing outstanding wear resistance and extended tool life in steel machining applications.
Designed for steel roughing, this insert combines a robust carbide substrate with optimized chipbreaker geometry to ensure reliable chip control, minimal cutting forces, and superior surface finish quality. The Heavy Duty chipbreaker profile is specifically engineered to handle 1.5 – 6.0 mm depths of cut at feed rates of 0.25 – 0.70 mm/rev, making it ideal for high-efficiency production environments.
ISO Designation Breakdown
| Position | Code | ISO Standard Meaning | Specification |
|---|---|---|---|
| 1st Letter | C | Insert Shape | 80° Rhombic (CN) |
| 2nd Letter | N | Clearance Angle | 0° (Negative Insert) |
| 3rd Letter | M | Tolerance Class | ±0.05 mm (IC), ±0.13 mm (S) |
| 4th Letter | G | Hole / Fixing | Hole with countersink (40°–60°) |
| 1st Digits | 12 | Inscribed Circle (IC) | 12.7 mm (1/2") |
| 2nd Digits | 04 | Insert Thickness (S) | 4.76 mm (3/16") |
| 3rd Digits | 08 | Corner Radius (RE) | 0.8 mm |
| Chipbreaker | HQ | Chipbreaker Type | Heavy Duty |
Engineering Dimensions & Geometry
- Inscribed Circle Diameter (IC): 12.7 mm (1/2")
- Insert Thickness (S): 4.76 mm (3/16")
- Hole Diameter (D1): 5.16 mm
- Corner Radius (RE): 0.8 mm
- Clearance Angle: 0° (Negative type)
- Inscribed Circle Shape: 80° Rhombic (CN)
- Number of Cutting Edges: 4
- Chipbreaker Geometry: Heavy Duty optimized for steel roughing
- Edge Preparation: Heavy-duty edge with large hone (T-land) and high negative land angle
- Surface Finish: Black rake face (highly oriented alumina) / Gold flank (TiCN + alumina)
Grade Details - Key Grade Characteristics
The CA115P grade represents Kyocera's next-generation CVD-coated carbide technology specifically developed for steel machining applications. Key characteristics include:
- Coating Architecture: Multi-layer CVD coating featuring a highly oriented alumina (Al₂O₃) layer on the rake face for superior crater wear resistance, combined with a unique TiCN layer and hard surface layer on the flank for abrasion resistance.
- Carbide Substrate: Newly developed substrate with enhanced resistance to plastic deformation and improved temperature strength, enabling higher cutting speeds and longer tool life.
- Color Identification: Black rake face with gold flank finish for easy visual identification of used corners and edge wear patterns.
- Application Range: Optimized for continuous to light-interrupted machining of carbon steel, alloy steel, and bearing steel.
- Performance Benefits: Up to 2× longer tool life compared to conventional CVD grades, with stable machining performance and predictable tool wear.
- Chip Control: Compatible with an extensive range of chipbreakers from precision finishing (PG) to medium-roughing (PMG), ensuring optimal chip evacuation across all applications.
Grade Comparison Matrix
Compare CA115P with other Kyocera steel-turning grades to select the optimal solution for your machining environment:
| Grade | Coating | Application | Machining Type | Relative Wear Resistance |
|---|---|---|---|---|
| CA115P | CVD Multi-Layer (Al₂O₃ + TiCN) | Steel (ISO P) | Continuous to Light Interrupted | ★★★★☆ |
| CA125P | CVD Multi-Layer (Al₂O₃ + TiCN) | Steel (ISO P) | Continuous to Heavy Interrupted | ★★★★★ |
| CA105P | CVD (Al₂O₃) | Steel (ISO P) | Finishing to Medium | ★★★☆☆ |
Chipbreaker Profile
The HQ chipbreaker on the CNMG120408HQ is Reinforced cutting edge with aggressive breaker groove designed for high feed rates and deep cuts. This geometry delivers the following performance characteristics:
- Chip Control Range: Effective chip breaking across 1.5 – 6.0 mm depth of cut and 0.25 – 0.70 mm/rev feed rates.
- Cutting Force: Optimized rake angle and breaker groove minimize cutting forces, reducing machine load and improving dimensional accuracy.
- Surface Finish: Delivers good surface finish (Ra 0.8–1.6 µm) across recommended parameters.
- Edge Stability: Reinforced cutting edge with optimized land width for stability under varying loads.
- Chip Evacuation: Reliable chip breaking and evacuation even in deep-cut and high-feed applications.
Recommended Applications & Workpiece Materials
The CNMG120408HQ CA115P is specifically recommended for the following materials and applications:
- Primary Materials: Carbon steel, alloy steel, cast steel, forged steel (ISO P)
- Hardness Range: < 300 HB (optimal performance below 280 HB)
- Ideal Operations: External roughing, heavy interrupted cutting, face roughing, cast skin machining
- Industry Sectors: Automotive components, aerospace parts, general machinery, energy sector, mold and die manufacturing
- Workpiece Examples: Shafts, gears, bearings, flanges, valves, hydraulic components, threaded parts, pulleys
Application Map by Operation
Refer to the table below for operation-specific suitability and recommended parameters:
| Operation | Suitability | Recommended ap (mm) | Recommended f (mm/rev) | Notes |
|---|---|---|---|---|
| External Turning | ★★★★☆ | 1.5 – 6.0 mm | 0.25 – 0.70 mm/rev | Primary application |
| Internal Turning | ★★★☆☆ | 1.5 – 6.0 mm | 0.25 – 0.70 mm/rev | Use with appropriate boring bar |
| Face Turning | ★★★★☆ | 1.5 – 6.0 mm | 0.25 – 0.70 mm/rev | Excellent chip evacuation |
| Shoulder Machining | ★★★☆☆ | 1.5 – 6.0 mm | 0.25 – 0.70 mm/rev | Moderate surface quality |
| Interrupted Cutting | ★★★★★ | 1.0 – 4.0 mm | 0.20 – 0.50 mm/rev | Reinforced edge recommended |
Recommended Cutting Conditions
The following cutting parameters are recommended for the CNMG120408HQ CA115P with Heavy Duty chipbreaker:
| Workpiece Material | Hardness | Cutting Speed Vc (m/min) | Feed f (mm/rev) | Depth of Cut ap (mm) |
|---|---|---|---|---|
| Carbon Steel (S45C, C45) | < 200 HB | 120 – 220 m/min | 0.25 – 0.70 mm/rev | 1.5 – 6.0 mm |
| Alloy Steel (SCM440, 4140) | 200 – 280 HB | 100 – 190 m/min | 0.25 – 0.70 mm/rev | 1.5 – 6.0 mm |
| Bearing Steel (SUJ2, 52100) | < 250 HB | 90 – 180 m/min | 0.23 – 0.6499999999999999 mm/rev | 1.5 – 6.0 mm |
| Tool Steel (SKD11, D2) | < 300 HB | 80 – 170 m/min | 0.22 – 0.62 mm/rev | 1.5 – 6.0 mm |
Note: Values are starting recommendations. Optimize based on machine rigidity, workpiece stability, and coolant application. Wet cutting is recommended for extended tool life.
Operating Guidelines
- Coolant: Flood coolant recommended for chip evacuation and temperature control. Minimum 5% emulsion concentration. Avoid direct coolant jet on cutting edge when machining interrupted cuts.
- Tool Overhang: Minimize tool overhang to maintain rigidity. For internal turning, use the shortest boring bar possible to reduce vibration.
- Insert Mounting: Ensure holder pocket is clean before insert installation. Torque clamping screw to manufacturer specification (typically 2.5–3.5 N·m for M2.5 screws).
- Edge Inspection: Inspect cutting edges before use. Do not use inserts with visible chipping or cracks. The gold flank makes wear detection easy.
- Indexing: Rotate or flip insert to fresh edge when flank wear (VB) reaches 0.2–0.3 mm, or when surface finish deteriorates.
- Storage: Store inserts in original packaging away from direct sunlight and moisture. Avoid contact between inserts to prevent edge damage.
- Safety: Always wear safety glasses and gloves when handling inserts. Cutting edges are extremely sharp.
Toolholder Compatibility
The CNMG120408HQ insert is compatible with the following Kyocera and standard ISO toolholders:
- External Turning: MCMNN, MCMNL, PC MNN, PCMNL, SCMNN, SCMNL series toolholders with 75° or 90° approach angle. Compatible with standard external and internal turning holders for CNMG 12.7 mm inserts.
- Internal Turning: Use with appropriate boring bar holders matching the insert size and shape.
- Clamping System: Lever-lock or screw-clamp systems with 40°–60° countersink compatibility.
- Approach Angle: 75°–95° for optimal chip flow and surface finish.
- Holder Material: Steel or carbide-reinforced holders for high-speed applications.
Packaging & Ordering Information
- Packaging Quantity: 10 inserts per sealed plastic container
- Packaging Type: Individual insert pockets in protective plastic case with foam lining
- MPN (Manufacturer Part Number): TML00078
- Product Code: CNMG120408HQ-CA115P
- Country of Origin: Japan
- HS Code: 8209.00
- Weight (per insert): ~0.008 kg
- Minimum Order: 1 pack (10 pieces)
- Bulk Orders: Volume discounts available for quantities above 100 inserts. Contact our technical sales team for quotation.
Catalog Meta Data
- Catalog Number: T-CNMG120408HQ-CA115P-9941
- Series: CA115P/CA125P Next-Generation CVD Grade for Steel
- Product Family: Indexable Turning Inserts – Negative Type
- ISO Application Group: ISO P (Steel Machining)
- Coating Generation: 3rd Generation CVD (Black & Gold)
- Substrate Technology: High-temperature resistant carbide with enhanced plastic deformation resistance
- Chipbreaker Generation: Smart P-Series (PG, PP, PQ, PH, PMG, WP, WF, WE, WQ, GP, HQ, CQ)
- Replacement For: CA105P, CA110P, competitor CVD steel grades (T***15, GC***15 series)
- Date Added to Catalog: 2023-Q2
- Technical Documentation: Cutting condition tables, application guides, and CAD models available upon request
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
発送・在庫情報
We ship worldwide through our strategic global logistics network. Products are dispatched directly from our international distribution facilities to ensure efficient delivery and customs clearance.
-
Stock Enquiries (在庫確認):
Contact our logistics team at sales.kyotow@gmail.com for real-time inventory status and dispatch location information. -
In-Stock Items (在庫あり):
Normally dispatched within 3 business days from the nearest regional warehouse. -
Factory Procurement (取寄せ):
Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
Authenticity Guarantee (本物保証):
All products sold by Kyotow are 100% genuine and sourced through authorized Japanese and international distribution channels.
正確な製品情報
Following the Japanese philosophy of Monozukuri (物の作り), we strive to maintain exceptional technical accuracy throughout our product catalog.
- Confirm dimensions, geometry, coating, and grade using the official Kyocera item code.
- Technical datasheets are available upon request.
- For technical clarification contact sales.kyotow@gmail.com.
返品・キャンセルポリシー
-
100% Accuracy Guarantee:
Full refund or replacement will be provided if the verified Kyocera item received differs from the official item code specified in your order confirmation. -
Order Finality:
Due to automated procurement systems connected directly to global factory distribution channels, orders cannot be modified or cancelled once processing has commenced. -
Technical Assistance:
Please verify machine compatibility, insert geometry, coating, and application grade before placing your order.
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Need Technical Assistance?
Contact our industrial tooling specialists for application support, tooling recommendations, datasheets, and compatibility verification.
sales.kyotow@gmail.comDirect Supply Chain Transparency サプライチェーンの透明性
Why are our prices so low? (価格が安い理由): Kyotow sources genuine Kyocera tools directly from domestic Japanese distribution networks, completely bypassing the steep regional markups, localized sales overhead, and heavy middleman margins of Western distributors. We pass 100% of those structural savings directly to your machine shop.
Kyotowは日本の国内流通ネットワークから京セラ正規品を直接仕入れることで、欧米の現地代理店による大幅な上乗せ価格や営業コスト、中間マージンを完全に排除しています。その構造的メリットを、お客様の加工現場へ100%還元いたします。
Domestic Sourced
Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
100% Genuine
Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
No Regional Markups
We bypass Western corporate sales teams and localized regional overhead costs entirely.
