DNGA150612TM-2 WBH30 A Wendeplatten - Walter Tools

Take advantage of the combination of CBN wear resistance, a Rhombic 55° geometry and a stable negative rake for predictable tool life and process security — ideal for hard-turning tasks. Order the insert directly via Metav Werkzeuge or request application guidance from their consultants.

DNGA150612TM-2 WBH30 — Indexable turning insert for hardened steels | Walter Tools

A robust DNGA150612TM-2 WBH30 indexable turning insert designed for hard turning and performance machining of hardened steels in demanding production environments

CBN grade WBH30 for hard turning
Rhombic 55° form for versatile clamping
Negative rake 0° for stable cutting
1.2 mm corner radius for robust edge

High-performance grade for hard turning and consistent production

The insert is built on a CBN cutting-grade basis (WBH30) engineered specifically for machining hardened steels; this makes it a fitting choice where high wear resistance and cutting-edge stability are decisive. The use of cubic boron nitride as the cutting material reduces flank and crater wear under elevated contact temperatures, which in turn supports a steady process window and predictable tool life. For production planners and process engineers, this means fewer tool changes and more consistent part quality — a rational advantage for batch and continuous turning operations.

Geometry that stabilises chip flow and surface quality

A Rhombus 55° shape combined with a negative rake 0° creates a geometry that distributes cutting forces favourably and supports secure clamping in standard turning toolholders. The specified chipbreaker 2 aims to break and evacuate chips effectively during hard cutting, assisting in maintaining surface integrity and reducing the risk of built-up edge. These geometric choices translate into measurable benefits: improved repeatability of component geometry and reduced rework rates in high-hardness applications.

Robust edge design for longer tool life and reduced downtime

The pronounced 1.2 mm corner radius lends mechanical strength to the cutting edge, helping to withstand the impact of interrupted cuts and high contact stresses common in hard turning. The plate dimensions and thickness contribute to a stable seating in the toolholder, supporting vibration damping and edge security. The result is a lower likelihood of premature edge chipping and longer intervals between indexings or insert replacements, which supports higher overall equipment effectiveness (OEE) on the shopfloor.

Application scope and compatibility with hard-turning workflows

Supplied within the Walter CBN / hard material series, this insert is intended for the machining of hardened workpiece materials as specified by ISO material group H. It is suitable for applications such as finishing and hard roughing of quenched steels where abrasive wear resistance and edge robustness are essential. The insert’s negative rake and rhombic form permit its use in a broad range of standard turning toolholders; Metav Werkzeuge can advise on optimal seatings and insert orientations for specific machine-tool combinations to ensure process security and component conformity.

For precise application advice and to discuss suitability for specific hardened materials, contact Metav Werkzeuge for tailored recommendations at info@metav-werkzeuge.com or call +49 2822 7131930 — the team can provide machining tips and selection support for Walter Tools CBN grades.

Technical Data

• Article number: DNGA150612TM-2-WBH30-WALTER
• Designation: DNGA150612TM-2 WBH30
• Product type: Indexable turning insert (drehwendeschneidplatte)
• Series: Walter CBN / Hartstoff
• Manufacturer: Walter Tools

Facts

• Plate size: 15
• Corner radius: 1.2 mm
• Relief / rake: 0° (negative)
• Plate thickness: 06
• Chipbreaker: 2

Special features

• Cutting grade: WBH30 (CBN)
• Plate form: Rhombus 55°
• Material application: hardened steels (H)
• Suitable for pre-hardened steels and hard turning tasks

FAQ

What workpiece materials is this insert suited for?
The DNGA150612TM-2 WBH30 indexable turning insert is engineered for hardened steels (ISO group H) and is particularly effective in hard-turning scenarios where CBN provides superior wear resistance.

How does the WBH30 grade improve machining of hardened components?
WBH30 uses a CBN-based grade that resists abrasive flank wear and maintains cutting-edge security under high contact temperatures, improving process stability and component surface finish during hard cutting.

What is the significance of the Rhombus 55° form?
The Rhombus 55° form offers versatile clamping options and favourable cutting force distribution, making the insert compatible with common turning holders and beneficial for both finishing and robust hard-turning operations.

How does the negative rake of 0° affect cutting performance?
A negative rake 0° increases edge strength and reduces the likelihood of chipping in interrupted or heavy cuts, providing a more stable cutting action when machining hardened materials.

Can this insert handle interrupted cuts or tough geometries?
Yes; the 1.2 mm corner radius and CBN grade WBH30 are selected to withstand high local stresses, making the insert suitable for interrupted cuts and demanding hard-turning profiles.

Manufacturer/Responsible: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen; Germany

Protected trademarks and trade names are the property of their respective owners. Brand names and protected trademarks are mentioned for explanatory purposes only. There is no connection between our company and the mentioned brands. The item offered is an original, factory-new product of the manufacturer.