Kyocera GBF32L053-005 PR1215 TKH18732
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- Stock: In Stock
- Model: PR1215
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TKH18732
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1. Product Overview
The Kyocera GBF32L053-005 PR1215 TKH18732 is a Kyocera indexable grooving insert from the GBF32 family — Grooving & parting — precision width tolerance (G- series). Its precision cutting width of 0.53 mm with 0.05 mm corner radius and left hand execution produces burr-minimized grooves with excellent floor finish and ±0.02 mm class width repeatability. Rigid self-clamp or screw-clamp seating keeps the narrow edge vibration-free even at full groove depth.
Grade PR1215 (MEGACOAT (TiAlN)) is a PVD grade reaching HV 3,300 surface hardness with heat stability to 1,050°C, engineered for stainless steel grooving & small parts machining; high edge stability. Recommended workpiece groups: Stainless Steel, Heat-Resistant Alloy.
With a 0.53 mm cutting width, typical parting capacity reaches approximately Ø10 mm bar stock (holder-dependent), while maximum groove depth runs about 0.8–1.3 mm. For parting, reduce the plunge feed to 50% for the final 2 mm before breakthrough to protect the edge and minimize the center pip.
2. Engineering Quick Reference
| Parameter | Specification |
|---|---|
| Full Product Name | Kyocera GBF32L053-005 PR1215 TKH18732 |
| Ordering Code | GBF32L053-005 |
| Series | GBF32 |
| Cutting Width CW | 0.53 mm |
| Corner Radius RE | 0.05 mm |
| Hand | Left Hand |
| Grade | PR1215 |
3. Ordering Code Decoded
| Code Element | Value | Meaning |
|---|---|---|
| Series | GBF32 | Grooving & parting — precision width tolerance (G- series) |
| Width digits | 0.53 mm | Cutting width CW = digits ÷ 100 (mm) |
| Corner digits | 0.05 mm | Corner radius RE = digits ÷ 100 (mm) |
| Hand letter | Left Hand | R = right hand, L = left hand, N = neutral |
4. Engineering Dimensions & Geometry
| Parameter | Specification |
|---|---|
| Insert Series | GBF32 |
| Series Description | Grooving & parting — precision width tolerance (G- series) |
| Cutting Width CW | 0.53 mm |
| Corner Radius RE | 0.05 mm |
| Hand | Left Hand |
| Max Groove Depth (typ.) | ≈ 0.8–1.3 mm (holder dependent) |
| Max Parting Diameter (typ.) | ≈ Ø10 mm bar stock |
| Width Tolerance | ±0.02 mm (ground) / ±0.05 mm (molded) |
| Mounting | Self-clamp or screw-clamp depending on holder |
5. Grade Technology
| Parameter | Specification |
|---|---|
| Grade | PR1215 |
| Family | PVD |
| Coating | MEGACOAT (TiAlN) |
| Surface Hardness | HV 3,300 |
| TRS | 3,400 MPa |
| Heat Resistance | 1,050°C |
| ISO Range | M15–M30 / S15–M30 |
| Primary Materials | Stainless Steel, Heat-Resistant Alloy |
6. Grade Application Range by ISO Material Group
| ISO Group | Suitability | Note |
|---|---|---|
| P – Steel | Not Recommended | Outside grade application window |
| M – Stainless Steel | Excellent | First-choice application group |
| K – Cast Iron | Not Recommended | Outside grade application window |
| N – Non-Ferrous | Not Recommended | Outside grade application window |
| S – HRSA / Titanium | Very Good | Fully supported application group |
| H – Hardened Steel | Not Recommended | Outside grade application window |
7. Grade Comparison Within Its Family
| Property | PR1215 (this insert) | PR0315 | PR1115 |
|---|---|---|---|
| Surface Hardness | HV 3,300 | HV 3,400 | HV 3,300 |
| TRS | 3,400 MPa | 3,600 MPa | 3,400 MPa |
| Heat Resistance | 1,050°C | 1,100°C | 1,050°C |
| ISO Range | M15–M30 / S15–M30 | P10–P25 | P20–P35 / M20–M35 |
8. Edge Geometry & Chip Control
Precision-formed grooving edge with integrated chipbreaker for controlled chip forming in the confined groove. The sharp, low-resistance edge minimizes burr at the groove exit, and the width is ground to ±0.02 mm on precision series for gauge-accurate grooves.
9. Recommended Workpiece Materials
Stainless Steel, Heat-Resistant Alloy.
10. Operation Capability Map
| Operation | Rating | Notes |
|---|---|---|
| External Grooving | Excellent | Primary operation |
| Parting / Cut-off | Fair | Use a dedicated parting insert for bar cut-off |
| Face Grooving | Good | GV-series optimized for face grooves |
| Internal Grooving | Fair | SIGE internal series gives best results |
| Groove-Turn (plunge-turn) | Fair | Multi-function inserts allow side turning |
11. Recommended Cutting Conditions
| Workpiece Material | Vc (m/min) | Plunge Feed f (mm/rev) | Retract Feed (mm/rev) | Coolant |
|---|---|---|---|---|
| Carbon Steel (S45C/C45, HB 180) | 135–189 | 0.05–0.11 | 0.02–0.03 | Wet (mandatory for parting) |
| Alloy Steel (SCM440/4140, HB 280) | 135–189 | 0.05–0.11 | 0.02–0.03 | Wet (mandatory for parting) |
| Stainless Steel (SUS304/1.4301) | 105–147 | 0.04–0.1 | 0.02–0.02 | Wet (mandatory for parting) |
| Gray Cast Iron (FC250/GG25) | 120–168 | 0.06–0.12 | 0.02–0.03 | Wet / air |
| Nodular Cast Iron (FCD450) | 120–168 | 0.06–0.12 | 0.02–0.03 | Wet / air |
| Heat-Resistant Alloy (Inconel 718) | 33–47 | 0.03–0.07 | 0.02–0.01 | Wet (mandatory for parting) |
| Titanium Alloy (Ti-6Al-4V) | 33–47 | 0.03–0.07 | 0.02–0.01 | Wet (mandatory for parting) |
Parting note: Reduce feed to 50% for the final 2 mm before breakthrough to prevent edge chipping and pip burr.
12. Feed Guidelines by Operation
| Operation | Feed f (mm/rev) | Notes |
|---|---|---|
| Grooving (plunge) | 0.05–0.25 | Width- and material-dependent |
| Parting off | 0.05–0.20 | Reduce 50% at breakthrough |
| Side turning (multi-function) | 0.10–0.30 | GER/GMM/GMG series only |
| Face grooving | 0.05–0.20 | Use GV-series geometry |
13. Wear Limits
| Criterion | Limit | Action |
|---|---|---|
| Flank wear | 0.20 mm | Index/replace insert |
| Width loss | ±0.03 mm from nominal | Replace to hold groove tolerance |
| Edge chipping | Any visible chip | Replace; check rigidity |
14. Compatible Holder Systems
| Compatible Holder System | Example | Notes |
|---|---|---|
| KGD / KGD-J series | KGDR/L 2020JX-0D | External grooving holders |
| KGZ series | KGZR/L 2525M | Heavy-duty grooving |
| KGBA series | KGBAR/L 2020JX | For GBA inserts |
| KTKF series | KTKFR/L 2525M | For TKF cut-off inserts |
| SIGE series bars | SIGER/L 2020B | Internal grooving bars |
15. Troubleshooting Guide
| Problem | Cause | Solution |
|---|---|---|
| Groove width out of tolerance | Insert deflection / wear | Reduce feed; check seating; replace at wear limit |
| Vibration at full depth | Overhang / low rigidity | Shorten overhang; reduce Vc 10%; check clamping |
| Edge chipping | Impact at breakthrough / feed too high | Reduce feed 50% at breakthrough; neutral hand for parting |
| Poor groove floor finish | Built-up edge | Increase Vc; sharper grade; improve coolant aim |
| Insert pulled from pocket | Retract too fast / chip packing | Slow retract; ensure chip evacuation; clean pocket |
16. Operating Guidelines
- Align insert center height precisely (±0.05 mm) — critical for grooving & parting
- Aim coolant directly into the groove; parting requires continuous coolant
- Use the shortest possible overhang — grooving forces concentrate on a narrow edge
- For parting, choose a hand that angles the pip away from the finished part
- Clean the holder pocket before every insert change
- Store inserts individually to protect the narrow cutting edge
17. Quality Assurance
| 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 |
18. Packaging & Ordering
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | See product name |
| Ordering Code | GBF32L053-005 |
| Standard Packaging | 10 inserts per box |
| Minimum Order Quantity | 1 box (10 pcs) |
| Stock Status | In stock — ships within 1–3 business days |
| Warranty | 90-day manufacturing-defect warranty |
19. Catalog Meta Data
| Parameter | Specification |
|---|---|
| Brand | Kyocera |
| Product Type | Indexable Grooving Insert |
| Full Product Name | Kyocera GBF32L053-005 PR1215 TKH18732 |
| Code | GBF32L053-005 |
| Series | GBF32 |
| Cutting Width | 0.53 mm |
| Grade | PR1215 |
| Hand | Left Hand |
| Origin | Japan |
20. Frequently Asked Questions
Q: What is the cutting width of the GBF32L053-005?
A: The width digits decode to 0.53 mm cutting width with 0.05 mm corner radius.
Q: Which holders fit the GBF32L053-005?
A: Match the insert family to the holder system — KGD/KGZ/KGBA/KTKF families as listed in Section 14; seat width must equal the insert width.
Q: Can the GBF32L053-005 be used for parting?
A: Yes — typical parting capacity is around Ø10 mm bar with this width; reduce feed 50% at breakthrough.
Q: What feed should I plunge at with the GBF32L053-005?
A: Start at 0.05–0.10 mm/rev on steel and adjust within the material table in Section 10; grooving feeds are lower than turning feeds because the full width is engaged.
Q: How critical is center height for the GBF32L053-005?
A: Extremely — hold ±0.05 mm. A grooving edge above center rubs; below center it digs in at breakthrough.
21. Engineering Support
Free grooving application support from Kyotow.com — holder selection, groove-depth capability and parameter optimization.
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?
Contact our industrial tooling specialists for application support, tooling recommendations, datasheets, and compatibility verification.
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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。
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