LNMU090404R-L55T WSP45G WSP45G Wendeplatten - Walter Tools

Combine the Tiger‑tec Gold PVD coating, broad P/M/S material suitability and the precise 0.4 mm corner radius for reliable milling performance; order directly via Metav Werkzeuge or request application advice from our consultants.

LNMU090404R-L55T WSP45G – Milling indexable insert with Tiger‑tec Gold coating (rectangular, negative rake) by Walter Tools

The LNMU090404R-L55T WSP45G is a rectangular milling indexable insert designed for versatile PVD-coated carbide performance in mixed-material milling applications.

• Tiger·tec Gold PVD-coated carbide
• Suitable for steel, stainless and superalloys
• L55T chipbreaker with 0.4 mm corner radius

Reliable machining across steel, stainless and superalloys

The Tiger‑tec Gold grade WSP45G provides a balanced combination of wear resistance and toughness, making the insert well suited for machining steel, stainless steel and heat-resistant superalloys. The PVD-coated carbide substrate offers improved edge life under the thermal and mechanical loads typical of milling, reducing the frequency of index changes and supporting consistent cycle times. This translates directly into stable production runs and predictable tool consumption for workshop planning.

Consistent chip control and edge stability for higher process security

The integrated L55T chipbreaker and the 0° negative rake geometry ensure controlled chip formation and smooth evacuation during milling operations. The modest 0.4 mm corner radius contributes to a robust cutting edge that resists chipping while maintaining good surface finish, especially in interrupted cuts. For production environments where repeatability matters, the design supports a reduced risk of built‑up edge and extended insert life, which helps to maintain component tolerances and reduce rework.

Practical benefits for setup and series production

The rectangular geometry and medium tolerance class M simplify handling and clamping in standard milling holders. The insert is supplied in the industry format corresponding to plate size code 09 and thickness code 04, facilitating direct replacement in existing toolholders without the need for special adaptors. Explanation: the codes denote standardised insert proportions used across milling systems, enabling fast tool changes and minimal setup time. The combination of a proven coating system and an application‑oriented chipbreaker supports efficient machining strategies at varying cutting speeds.

Contact Metav Werkzeuge for tailored cutting data and application recommendations for Walter Tools Tiger‑tec Gold inserts — call +49 2822 7131930 or email info@metav-werkzeuge.com

Technical data

• Article number: LNMU090404R-L55T-WSP45G-WALTER
• Designation: LNMU090404R-L55T WSP45G
• Manufacturer: Walter Tools
• Product type: Milling indexable insert

Facts

• Corner radius: 0.4 mm
• Free angle: 0° (negative)
• Plate size code: 09
• Thickness code: 04
• Tolerance class: M

Design / special features

• Series: Tiger‑tec Gold
• Grade / sort: WSP45G (PVD-coated carbide)
• Chipbreaker: L55T
• Shape: Rectangular
• Execution: U
• Material code: P / M / S (steel, stainless steel, superalloys)

FAQ

Which materials can this insert machine effectively?
The LNMU090404R-L55T WSP45G insert is specified for machining steel, stainless steel and heat‑resistant superalloys, reflecting the P/M/S material classification for this Walter Tools grade.

What is the benefit of the Tiger‑tec Gold coating?
Tiger‑tec Gold provides enhanced wear resistance and thermal stability for the WSP45G grade, improving edge life and process reliability in milling operations.

How does the L55T chipbreaker affect cutting performance?
The L55T chipbreaker promotes controlled chip formation and evacuation, which reduces the likelihood of re‑cutting and helps maintain consistent surface finish during aggressive milling.

What does the tolerance class M mean for tool setup?
Tolerance class M indicates medium dimensional accuracy for the insert; it is compatible with common milling holders and supports straightforward insert indexing without special calibration.

Is the 0° negative rake suitable for interrupted cuts?
Yes, the negative rake geometry combined with the 0.4 mm corner radius provides a stronger cutting edge that is more resistant to impact, making it suitable for interrupted cutting typical in milling.

Walter Tools: Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen

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