Kyocera CNMG090308GS CA5525 TJR60680
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- Stock: In Stock
- Model: CA5525
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TJR60680
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1. Product Overview
The Kyocera CNMG090308GS CA5525 TJR60680 is a precision indexable turning insert engineered by Kyocera in Japan for CNC lathe production. Built around a Rhombic 80° geometry with a 80° corner angle, 9.67 mm cutting edge length and 9.525 mm inscribed circle, 3.18 mm thickness and a 0.8 mm nose radius, the CNMG090308GS is designed for general external turning & facing; strong corner for roughing and finishing. The 0° (negative) clearance keeps cutting forces controlled while the M-class tolerance (sintered/molded general class; most common for general machining) guarantees repeatable indexing accuracy.
Grade CA5525 is a Kyocera CVD grade featuring CVD TiCN+Al2O3+TiN multi-layer. It reaches HV 3,200 (surface) surface hardness with a transverse rupture strength of 3,200 MPa, and remains oxidation-stable up to 1,200°C. Within its P20–P35 / K20–K35 ISO application window it is engineered for first-choice CVD grade for steel turning; wear + toughness balance. Primary workpiece groups: Carbon Steel, Alloy Steel, Cast Iron.
Chip control comes from the GS chipbreaker — finishing of steel & stainless; sharp, low-resistance. Its working window covers the finishing application zone with low cutting force, and paired with the r = 0.8 mm nose radius it produces controlled, evacuable chips from fn ≈ 0.2 up to 0.8 mm/rev.
In a typical setup on S45C carbon steel, run the CNMG090308GS at Vc 224–322 m/min, feed fn 0.14–0.31 mm/rev and depth of cut ap 1.0–3.5 mm, achieving theoretical surface finishes down to Ra 3.0 µm at the lower feed bound. Every insert is 100% dimensionally and edge-inspected under Kyocera's ISO 9001:2015 system and ships in lot-coded packaging with full batch traceability.
2. Engineering Quick Reference
| Parameter | Specification |
|---|---|
| Full Product Name | Kyocera CNMG090308GS CA5525 TJR60680 |
| ISO Ordering Code | CNMG090308GS |
| Grade | CA5525 |
| Insert Shape | Rhombic 80° (80°) |
| Cutting Edge Length | 9.67 mm |
| Inscribed Circle | 9.525 mm |
| Thickness | 3.18 mm |
| Nose Radius | 0.8 mm |
| Chipbreaker | GS |
| MPN | TJR60680 |
3. ISO 1832 Designation — Complete Breakdown
| ISO 1832 Position | Code | Decoded Meaning |
|---|---|---|
| Position 1 — Insert Shape | C | Rhombic 80° (80° corner) |
| Position 2 — Clearance Angle | N | 0° (negative) |
| Position 3 — Tolerance Class | M | Sintered/molded general class; most common for general machining — I.C. ±0.05–0.15 (size dep.), thickness ±0.08–0.18 |
| Position 4 — Fixing / Hole | G | With cylindrical hole, double-sided — screw-clamp mounting; usable both sides |
| Position 5 — Edge Length Code | 09 | 9.67 mm (I.C. 9.525 mm) |
| Position 6 — Thickness Code | 03 | 3.18 mm |
| Position 7 — Nose Radius Code | 08 | 0.8 mm |
| Suffix — Chipbreaker | GS | finishing of steel & stainless; sharp, low-resistance |
4. Insert Geometry & Engineering Dimensions
| Parameter | Specification |
|---|---|
| Insert Shape | Rhombic 80° (80°) |
| Cutting Edge Length | 9.67 mm |
| Inscribed Circle (I.C.) | 9.525 mm |
| Insert Thickness | 3.18 mm |
| Nose Radius | 0.8 mm |
| Clearance Angle | 0° (negative) |
| Usable Cutting Edges | 2 per face |
| Edge Strength Rating | Very Good |
| Fixing | With cylindrical hole, double-sided — screw-clamp mounting; usable both sides |
| Geometry Tolerance | I.C. ±0.05–0.15 (size dep.), thickness ±0.08–0.18 |
5. Grade Technology — Substrate & Coating
| Parameter | Specification |
|---|---|
| Grade Designation | CA5525 |
| Grade Family | CVD |
| Coating System | CVD TiCN+Al2O3+TiN multi-layer |
| Surface Hardness | HV 3,200 (surface) |
| Transverse Rupture Strength | 3,200 MPa |
| Oxidation / Heat Resistance | 1,200°C |
| ISO Application Range | P20–P35 / K20–K35 |
| Primary Materials | Carbon Steel, Alloy Steel, Cast Iron |
Primary application: First-choice cvd grade for steel turning; wear + toughness balance.
6. Grade Application Range by ISO Material Group
| ISO Group | Suitability | Note |
|---|---|---|
| P – Steel | Excellent | First-choice application group |
| M – Stainless Steel | Not Recommended | Outside grade application window |
| K – Cast Iron | Very Good | Fully supported application group |
| N – Non-Ferrous | Not Recommended | Outside grade application window |
| S – HRSA / Titanium | Not Recommended | Outside grade application window |
| H – Hardened Steel | Not Recommended | Outside grade application window |
7. Chipbreaker Geometry & Working Window
GS geometry: finishing of steel & stainless; sharp, low-resistance Application zone: Finishing; cutting-force level: Low.
| Application Zone | Feed fn (mm/rev) | Depth of Cut ap (mm) |
|---|---|---|
| Finishing | 0.05–0.2 | 0.10–0.8 |
| Medium cutting | 0.2–0.48 | 0.8–2.4 |
| Roughing | 0.48–0.8 | 2.4–4.8 |
8. Depth-of-Cut Guide
| Cut Type | Recommended ap Range | Limiting Factor |
|---|---|---|
| Finishing | 0.05–0.8 mm | Surface finish / vibration |
| Medium | 0.8–2.4 mm | Chipbreaker working range |
| Roughing (max) | up to 4.8 mm (≈ 0.6 × 9.67 mm edge) | Edge length & machine power |
9. Recommended Workpiece Materials
Optimized for: Carbon Steel, Alloy Steel, Cast Iron. Typical hardness window HB 150–300 for steels; see the cutting-condition tables for per-material parameters.
10. Application Capability Map
| Operation | Rating | Notes |
|---|---|---|
| External Turning (longitudinal) | Excellent | Primary operation |
| Facing | Excellent | Full facing capability |
| Profiling / Copy Turning | Good | Rhombic 80° corner access |
| Interrupted Cut | Very Good | Reduce feed 20–30% |
| Internal Boring (matching bar) | Good | Positive geometry preferred |
11. Recommended Cutting Conditions — by Workpiece Material
| Workpiece Material | Vc (m/min) | fn (mm/rev) | ap (mm) | Coolant |
|---|---|---|---|---|
| Carbon Steel (S45C/C45, HB 180) | 224–322 | 0.14–0.31 | 1.0–3.5 | Wet (emulsion 6–10%) |
| Alloy Steel (SCM440/4140, HB 280) | 224–322 | 0.14–0.31 | 1.0–3.5 | Wet (emulsion 6–10%) |
| Stainless Steel (SUS304/1.4301) | 144–206 | 0.11–0.25 | 0.8–2.8 | Wet (emulsion 6–10%) |
| Gray Cast Iron (FC250/GG25) | 200–287 | 0.15–0.35 | 1.2–4.2 | Dry / MQL |
| Nodular Cast Iron (FCD450) | 200–287 | 0.15–0.35 | 1.2–4.2 | Dry / MQL |
12. Cutting Conditions — by Operation Type
| Operation | Vc factor | Feed fn (mm/rev) | DoC ap (mm) | Expected Surface Ra (µm) |
|---|---|---|---|---|
| Finishing | × 1.15 of table value | 0.05–0.28 | 0.05–0.6 | 0.4–12.2 |
| Medium | × 1.00 | 0.28–0.56 | 0.6–2 | 12.2–49.0 |
| Roughing | × 0.80–0.90 | 0.56–0.88 | 2–4 | 49.0–121.0 |
Programming note: Values assume a rigid setup with tool overhang ≤ 4× shank diameter and continuous cut. For interrupted cuts reduce feed 20–30% and Vc 10%.
13. Edge Preparation & Wear Limits
| Wear Criterion | Limit | Action |
|---|---|---|
| Flank wear VB | 0.30 mm (finishing) / 0.50 mm (roughing) | Index to fresh corner |
| Crater depth KT | 0.10 mm | Reduce Vc 10–15% or improve coolant |
| Notch wear at DoC line | Visible notch | Vary DoC between passes; reduce Vc |
| Built-up edge | Any BUE on rake | Increase Vc; check coolant concentration |
| Chipping / plastic deformation | Edge micro-fracture or deformed nose | Reduce feed/Vc; verify rigidity; tougher grade |
14. Compatible Toolholders
ISO holders for 80° rhombic inserts. Always match the insert seat size to the holder designation.
| Compatible Holder Family | Seat Size | Mounting |
|---|---|---|
| MCLNR/L | Seat size 09 | External / Internal |
| PCLNR/L | Seat size 09 | External / Internal |
| DCLNR/L | Seat size 09 | External / Internal |
| SCLCR/L (positive boring) | Seat size 09 | External / Internal |
15. Operating & Handling Guidelines
- Clean the holder seat thoroughly before mounting; any chip or burr under the insert causes edge breakage
- Tighten the clamping screw to 2.0–4.0 Nm (size-dependent) with a torque wrench — never over-tighten
- Check insert seating runout ≤ 0.02 mm TIR before the first cut
- Run-in new edges at 80% Vc for the first 2–3 minutes of cut
- Index at the wear limits — do not run to catastrophic failure
- Apply coolant continuously; on/off coolant cycling causes thermal cracks
16. Quality Assurance & Manufacturing
| Quality Attribute | Specification |
|---|---|
| Manufacturing Standard | ISO 9001:2015 certified Kyocera production, Japan |
| Dimensional Inspection | 100% inspection with CMM-class tolerance control |
| Edge Inspection | Microscopic cutting-edge inspection on every piece |
| Traceability | Laser-marked lot code on packaging; full batch traceability |
| Country of Origin | Japan |
17. Packaging & Ordering Information
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | TJR60680 |
| Ordering Code | CNMG090308GS |
| Standard Packaging | 10 inserts per box (plastic case with individual pockets) |
| Minimum Order Quantity | 1 box (10 pcs) |
| Stock Status | In stock — ships within 1–3 business days |
| Warranty | 90-day manufacturing-defect warranty |
18. Catalog Meta Data
| Parameter | Specification |
|---|---|
| Brand | Kyocera |
| Product Type | Indexable Turning Insert |
| Full Product Name | Kyocera CNMG090308GS CA5525 TJR60680 |
| ISO Code | CNMG090308GS |
| Shape | Rhombic 80° |
| Grade | CA5525 |
| Nose Radius | 0.8 mm |
| Chipbreaker | GS |
| MPN | TJR60680 |
| Origin | Japan |
19. Frequently Asked Questions
Q: What materials can the CNMG090308GS in grade CA5525 machine?
A: Grade CA5525 covers ISO P20–P35 / K20–K35: Carbon Steel, Alloy Steel, Cast Iron.
Q: What feed should I start with on the CNMG090308GS?
A: Start at fn ≈ 0.28 mm/rev — inside the GS chipbreaker window — and adjust toward 0.56 mm/rev for medium cutting with the r = 0.8 mm nose radius.
Q: Which toolholder fits the CNMG090308GS?
A: Any ISO holder with a Rhombic 80° seat in size 09 (e.g., the families listed in Section 14). Match the seat size exactly.
Q: When must I index the CNMG090308GS?
A: Index at VB = 0.30 mm flank wear for finishing or 0.50 mm for roughing — running beyond this risks edge collapse and workpiece damage.
Q: Is the CNMG090308GS suitable for interrupted cuts?
A: Light interruptions only; reduce feed 20–30% and consider a tougher grade for heavy interruptions.
20. Engineering Support
Kyotow.com provides free application-engineering support for this insert: grade selection, cutting-parameter optimization and tool-life troubleshooting. Contact our technical desk with your workpiece material, hardness and machine specification.
Why Buy from Kyotow.com? 100% genuine OEM Kyocera cutting tools sourced through authorized channels. Full manufacturer warranty & batch traceability. Fast worldwide shipping with tracked delivery. Free engineering support for cutting parameter selection, grade choice and application troubleshooting.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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
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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?
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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。
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