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Description
P23522-1R turning insert – Walter indexable carbide insert with 1R chip breaker
| Technical data | |
|---|---|
| Catalog designation | P23522-1R |
| Carbide grade | WXP45 |
| Manufacturer | Walter (Germany) |
| Diameter d | 15 mm |
| Side length b | 1.1 mm |
| Thickness s | 4.5 mm |
| Chip breaker | 1R |
| Material | cemented carbide |
WXP45 indexable carbide insert – applications and design
Walter cutting insert for turning steel and heat-resistant materials
The P23522-1R turning insert is an indexable insert made of grade WXP45 cemented carbide, offered by the German manufacturer Walter. The manufacturer specifies it for turning steel and heat-resistant materials, meaning alloys used at elevated temperatures. The designation P23522-1R is a Walter catalog code rather than a designation according to ISO 1832, so selection is based on the manufacturer's documentation. The 1R component describes the chip breaker geometry, designed to control chip flow in these material groups.
The insert body is made of cemented carbide, a material that combines the hardness required for cutting with edge resistance to thermal loads. The manufacturer specifies grade WXP45 for two application areas: structural and alloy steels, and heat-resistant materials, including nickel-based and iron-based alloys used at high temperatures. The 1R chip breaker shapes the rake face so that chips curl and break in a controlled manner. This prevents chips from wrapping around the workpiece and protects the machined surface, which is particularly important with ductile heat-resistant alloys. As an indexable insert, it is mounted in a tool holder and rotated or replaced when the edge is worn, without sharpening the tool.
Key features of the WXP45 cemented carbide insert
- Grade WXP45 cemented carbide — hard Walter cutting tool material for turning steel and heat-resistant materials as specified by the manufacturer.
- 1R chip breaker — rake geometry that controls chip curling and breaking, reducing the risk of chips wrapping around the workpiece.
- Applications in steel and heat-resistant alloys — one insert covers turning structural steels and materials used at elevated temperatures.
- Walter catalog designation P23522-1R — manufacturer's code, with tool holder and pocket dimensions selected according to the Walter catalog.
- Basic dimensions: diameter d 15 mm, thickness s 4.5 mm — confirm the complete dimensional data in the manufacturer's documentation.
- Cemented carbide provides edge stability in continuous cutting and withstands heat better than high-speed steel (HSS).
Selecting turning parameters for the P23522-1R insert
The P23522-1R insert (also written without spaces as p23522-1r) is used for turning shafts and parts made of structural steels, as well as components made of heat-resistant alloys. Calculate spindle speed using the formula n = 1000·Vc/(π·D). For a shaft with a diameter of D = 40 mm and an approximate cutting speed of Vc = 150 m/min, the result is approximately 1194 rpm. Since the Walter data sheet for grade WXP45 does not provide specific ranges here, treat the assumed Vc value as a starting point and adjust it according to the material and setup rigidity. For heat-resistant alloys, maintain a moderate speed and ample coolant flow to limit built-up edge and cutting edge wear. Select the depth of cut and feed rate according to workpiece rigidity, starting with conservative values and increasing them after evaluating chip shape.
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Verify the dimensions and grade with the manufacturer
Code P23522-1R is a Walter catalog designation rather than a designation according to ISO 1832. The stated dimensions come from an older description — before selecting the tool holder, screw, and shim, confirm the pocket shape and exact insert dimensions against the current Walter data sheet.
Frequently asked questions about the P23522-1R insert
materials, catalog designation, and tool selection
The manufacturer Walter specifies the grade WXP45 for turning steel and heat-resistant materials — alloys used at elevated temperatures, such as nickel-based or iron-based alloys. Follow the Walter data sheet recommendations for the specific material and cutting speed range.
P23522 is Walter's catalog designation for the insert, rather than a designation according to the standard ISO 1832, so the shape and class cannot be determined from the letter sequence as with typical ISO inserts. The component 1R indicates the chip breaker geometry responsible for controlled chip curling and breaking.
Since this is a Walter catalog designation, select the tool holder according to the manufacturer's documentation — based on the shape and size of the pocket matching this insert. Before purchasing, confirm the pocket type and clamping arrangement (screw, shim) against the current Walter catalog.
Yes — the manufacturer specifies heat-resistant materials as one of the application areas for grade WXP45. Maintain a moderate cutting speed and ample coolant flow, because heat-resistant alloys dissipate heat poorly and produce ductile chips; the 1R chip breaker helps control them.
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