Kyocera DCMX070202WP CA125P TMK00348
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- Stock: In Stock
- Model: CA125P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMK00348
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Product Overview
The DCMX070202WP is a premium CVD-coated carbide indexable insert from Kyocera, engineered for precision CNC turning operations. Featuring the advanced CA125P grade with a multi-layer TiCN/Al₂O₃/TiN coating, this insert delivers exceptional wear resistance, fracture toughness, and thermal stability in steel machining environments. The 55° diamond geometry with a 0.2 mm nose radius ensures optimal edge strength and surface finish quality, making it ideal for wiper finishing, high-feed machining applications.
ISO Designation Breakdown
Complete decoder for the DCMX070202WP ISO 1832 designation:
| Position | Code | Meaning |
|---|---|---|
| 1 – Shape | D | 55° Diamond |
| 2 – Clearance | C | 7° (Positive) |
| 3 – Tolerance | M | ±0.13mm (Standard) |
| 4 – Type | X | Special geometry |
| 5 – Length | 07 | 7.94 mm cutting edge |
| 6 – Thickness | 02 | 2.38 mm insert thickness |
| 7 – Radius | 02 | 0.2 mm nose radius |
| 8 – Chipbreaker | WP | Wiper Precision – high-feed finishing with excellent surface |
Engineering Dimensions & Geometry
Verified dimensional data per ISO 1832:2012 standard:
| Parameter | Value | Notes |
|---|---|---|
| Inscribed Circle (IC) | 7.94 mm | Nominal cutting edge length per ISO 1832 |
| Insert Thickness (S) | 2.38 mm | ±0.13 mm tolerance class M |
| Nose Radius (rε) | 0.2 mm | Directly affects surface roughness Rz |
| Corner Angle | 55° | Determines tool engagement & stability |
| Relief Angle | Positive | Reduces flank rubbing, lowers heat |
| Hole Diameter | N/A – top clamp or glue required | Compatible with lever-lock toolholders |
Surface roughness estimate: Rz ≈ f² / (8 × rε) × 1000. For f = 0.1 mm/rev and rε = 0.2 mm, theoretical Rz ≈ 6.25 μm.
Grade Details – Key Grade Characteristics
- Substrate: Newly developed high-temperature-strength carbide with enhanced plastic-deformation resistance
- Coating Stack: Proprietary TiCN base layer + ultra-uniform Al₂O₃ (alumina) crystal layer + gold TiN surface layer
- Rake Face: Black finish – highly uniform alumina reduces crater wear and suppresses chip welding
- Flank Face: Gold finish – hard surface layer improves abrasion resistance; color contrast aids edge-wear inspection
- ISO Application Group: P15–P35 (steel machining, continuous to interrupted)
- Hardness: ~1,600 HV (coating surface); substrate optimized for 800–1,000°C cutting zone
Grade Comparison Matrix
How CA125P compares within the Kyocera steel-turning portfolio:
| Grade | Coating | Application | Machining Type |
|---|---|---|---|
| CA125P | TiCN + Al₂O₃ + TiN (CVD) | Steel, alloy steel | Continuous → heavy interrupted |
| CA115P | TiCN + Al₂O₃ + TiN (CVD) | Steel, high-speed | Continuous → light interrupted |
| CA525 | TiCN + Al₂O₃ + TiN | Steel, stainless | General purpose |
| CA6515 | TiCN + Al₂O₃ + TiN | Steel, heavy duty | Heavy interrupted |
Chipbreaker Profile
WP – Wiper Precision – high-feed finishing with excellent surface
- Geometry: Dual-radius wiper edge with extended T-land
- Chip Formation: Broad flat chips, superior surface flatness
- Cutting Force: Low-to-moderate radial & axial forces; reduced chatter risk on slender workpieces
- Coolant Compatibility: Optimized for wet cutting and MQL; flood coolant recommended for deep cuts
Recommended Applications & Workpiece Materials
- Primary Materials: Gray cast iron, ductile iron, carbon steel
- Hardness Range: 80–350 HB (ideal 150–280 HB)
- Typical Components: Shafts, gears, bearing races, hydraulic cylinders, valves, pump housings
- Industries: Automotive, aerospace, general machinery, energy, mold & die
Application Map by Operation
| Operation | Suitability | Notes |
|---|---|---|
| External Turning | ★★★★★ Excellent | Primary application; stable at high speeds |
| Internal Boring | ★★★★☆ Very Good | Use with minimum 9.940000000000001 mm bore diameter |
| Facing | ★★★★☆ Very Good | Ensure center clearance at small diameters |
| Profiling / Copying | ★★★★☆ Very Good | 55° corner ideal for undercuts |
| Interrupted Cutting | ★★★★☆ Very Good | Reduce Vc 20% for heavy interrupted cuts |
Recommended Cutting Conditions
Starting parameters for CA125P with DCMX070202WP in wet machining of carbon/alloy steel:
| Operation | Vc (m/min) | f (mm/rev) | ap (mm) | Condition |
|---|---|---|---|---|
| Finishing | 260 | 0.15 | 0.2 | Wet / MQL |
| Semi-Finishing | 160 | 0.22499999999999998 | 0.4 | Wet |
| Medium | 160 | 0.4 mm/rev | 1.5 mm | Wet |
Adjustments: Reduce Vc by 15% for dry cutting; increase feed by 10% for cast iron; reduce both by 20% for stainless steel.
Operating Guidelines
- Run-in Period: For first 5 min, reduce Vc by 25% to stabilize coating and edge micro-geometry
- Tool Life Indicator: Monitor flank wear (VB) ≤ 0.3 mm; replace insert when gold flank shows uniform wear land
- Chip Inspection: Blue or purple chip color indicates excessive heat – reduce Vc or increase coolant flow
- Clamping Torque: Lever-lock toolholders: 3.5–4.5 N·m; do not overtighten to avoid insert fracture
- Storage: Keep inserts in original blister pack; avoid direct sunlight and humidity >60% RH
Toolholder Compatibility
DDJN, DDJNL, MDJN, PDJN (55° diamond). Compatible with copying and external turning holders. Recommended shim: 55° diamond shim (e.g., ST-1301).
| Holder Style | Approach Angle | Use Case |
|---|---|---|
| PCLN / PCLNL | 95° | External turning, facing |
| MCLN / MCLNR | 95° | Medium roughing, heavy duty |
| DDJN / DDJNL | 93° | Copying, profiling, undercuts |
Packaging & Ordering Information
- Pack Quantity: 10 inserts per sealed blister pack (industry standard)
- MPN: TMK00348
- Grade: CA125P
- Unit Price: $6.5 per insert (bulk discounts available)
- Minimum Order: 10 pieces (1 pack)
- Lead Time: Stock item – ships within 24 hours of order confirmation
- Warranty: Genuine Kyocera product backed by manufacturer defect warranty
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Family | Kyocera CVD Coated Carbide – Steel Turning Series |
| Grade Series | CA125P (Next-Gen CVD, launched March 2023) |
| ISO Color Code | Black (rake) / Gold (flank) |
| Insert Standard | ISO 1832:2012 compliant |
| Manufacturing Origin | Japan |
| Catalog Page Ref. | Kyocera Turning Indexable Inserts – Grade CA125P Section |
Why Buy from Kyotow.com? We supply 100% genuine Kyocera inserts with full traceability, expert CNC application support, and fast worldwide tracked delivery. Every order is inspected before dispatch to ensure you receive factory-fresh cutting tools ready for immediate production use.
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To guarantee absolute accuracy for your machining requirements, please cross-reference the exact Kyocera Item Code, Item Name, and Material Grade.
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