DCGW070202TM-2 WBH20 Wendeplatten - Walter Tools

Take advantage of the combination of CBN grade WBH20, rhombic 55° geometry and a 7° clearance angle for reliable hard turning and extended tool life. Order supply or seek application advice via Metav Werkzeuge for efficient integration into production.

DCGW070202TM-2 WBH20 – Turning indexable insert (CBN) by Walter Tools

The DCGW070202TM-2 WBH20 is a CBN turning insert engineered for hard machining of hardened steels, offering a rhombic 55° geometry and a precise corner radius for consistent surface quality

• CBN grade WBH20 for hard turning
• Rhombic 55° geometry for versatile engagement
• 7° clearance angle for reduced rubbing
• Corner radius 0.2 mm for accurate finishes

High wear resistance for demanding hard turning

The WBH20 cutting grade is a CBN solution developed for the specific demands of hardened steels (ISO 513 group H). As a superabrasive grade, it provides high wear resistance and maintains a stable cutting edge under elevated contact stresses, which translates into fewer insert changes and improved uptime. For production scenarios where component hardness and abrasive wear accelerate tool degradation, this insert offers a predictable life cycle and consistent performance.

Geometry engineered for accuracy and accessibility

The rhombic 55° shape combined with a corner radius 0.2 mm and a 7° clearance angle delivers a balanced compromise between cutting strength and accessibility into shoulders and grooves. The geometry supports a stable chip flow and helps to preserve surface integrity on parts that demand tight tolerances. In practice, this means fewer secondary operations and more reliable first-pass quality for turned components.

Productivity and process reliability in hard machining

Designed as part of the Walter CBN / Hartstoff series, the insert promotes process reliability in hard machining environments. Using a CBN grade reduces thermal wear and preserves the cutting edge when compared to conventional carbide solutions for the same task, enabling steady cycle times and reduced machine downtime. For production engineers and toolroom managers, this leads to measurable gains in throughput and repeatability across batch runs.

Practical specification and application context

This indexable insert belongs to the DCGW070202TM-2 family and is supplied in the Walter CBN / Hartstoff series to address hard and highly abrasive materials. Its compact form factor and chipbreaker class 2 make it suitable for finishing and semi-finishing passes on pre-hardened or fully hardened workpieces. Engineers specifying tooling for hard turning applications will appreciate the combination of stable edge geometry and a grade tailored for high contact stress situations.

Contact Metav Werkzeuge for material matching, cutting-parameter guidance or to arrange supply of Walter Tools CBN inserts — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: DCGW070202TM-2-WBH20-WALTER
• Designation: DCGW070202TM-2 WBH20
• Product type: Turning indexable insert
• Series: Walter CBN / Hartstoff
• Grade: WBH20
• Manufacturer: Walter Tools

Facts

• Free angle: 7°
• Corner radius: 0.2 mm
• Plate form: Rhombus 55°
• Plate size: 07
• Plate thickness: 02
• Chipbreaker: 2
• Tolerance class: G

Special features

• CBN cutting material (WBH20)
• Suitable for hardened steels (ISO group H)
• Application: hard machining / hard turning
• Series: Walter CBN / Hartstoff
• Execution: W

FAQ

Which workpiece materials are suitable for this insert?
The DCGW070202TM-2 WBH20 is a CBN insert intended primarily for hardened steels (ISO 513 group H) and for pre-hardened or heat-treated components where wear resistance is critical.

What benefits does the rhombic 55° geometry provide?
Rhombic 55° geometry offers good approach angles for shoulder and profile turning while maintaining cutting edge strength; combined with a 7° clearance and a 0.2 mm corner radius it supports accurate finishes and stable chip control.

Is this insert a replacement for carbide types in hard turning?
For many hard machining tasks, the WBH20 CBN grade replaces carbide by delivering longer tool life and improved edge stability under high contact stresses; suitability should be verified against specific process parameters.

How does the Walter Tools CBN grade differ from other CBN solutions?
Walter Tools’ CBN grade WBH20 is optimised for hard and highly abrasive operations, emphasising consistent wear behaviour and reproducible surface quality in production environments; the DCGW070202TM-2 designation denotes the geometrical and tolerance specifics for correct toolholder pairing.

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

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