Cutting conditions

Product catalog summary

Overview: This document provides technical specifications and cutting conditions for machining various materials using different cutting tools. It includes parameters such as cutting speed (Vc), feed rate (f), and spindle speed (n) for different diameters (D1) and materials.

Specifications:

Materials: The document lists materials including unalloyed steel, low alloyed steel, high alloyed steel, stainless steel, DUPLEX stainless steel, grey cast iron, nodular pearlitic iron, special alloys, titanium, and copper alloys.
Cutting Tools: Tools mentioned include carbide, TiN, and DICUT-TiAlN, each with specific cutting speeds (Vc) for different materials.

Cutting Conditions:

Unalloyed Steel: Specific cutting speeds are provided for steel with tensile strength less than 600 N/mm² and between 600-1500 N/mm².
High Alloyed Steel: Cutting conditions for steel with tensile strength between 700-1500 N/mm².
Stainless Steel: Conditions for standard and DUPLEX stainless steel with specified tensile strengths.
Cast Iron: Conditions for grey cast iron and nodular pearlitic iron, differentiated by hardness (HB).
Special Alloys: Includes Inconel, Nimonic, Hastelloy, and titanium alloys, with specific cutting speeds.
Copper Alloys: Conditions for easy-to-machine copper alloys like brass and bronze.

Procedures: The document outlines the calculation of spindle speed (n) and feed rate (Vf) using the formulae:

n [tr/min] = (Vc [m/min] x 1000) / (π x D1 [mm])
Vf [mm/min] = n [tr/min] x f [mm]

Recommendations: Recommended ranges for feed rates (f) and cutting speeds (Vc) are provided for different diameter ranges (D1) and materials to ensure optimal machining performance.

Machinability of Alloys:

Aluminium Bronze: Identified as difficult to machine due to its composition and properties, requiring specific techniques and considerations.
Aluminium Alloys: Differentiated by silicon content:
- Alloys with Si < 8% are easier to machine.
- Cast aluminium with Si > 8% are more challenging due to increased hardness and brittleness.
Other Materials: Brief mention of machining considerations for plastics, gold, and silver, though specific details are not provided.

Machining Parameters: 'Feed per revolution' is highlighted as a critical parameter in the machining process, emphasizing its importance in achieving desired outcomes.

Catalog excerpts

CUTTING CONDITIONS Feed per revolution Materials to be machined DICUT - TiAlN Unalloyed steel / Low alloyed steel Unalloyed steel / Low alloyed steel Lead alloyed cutting steel High alloyed steel Stainless steel DUPLEX stainless steel Grey cast iron / Nodular pearlitic iron Alloyed cast iron / Nodular pearlitic iron Nodular ferritic cast iron / Malleable cast iron Special alloys / Heat resistant stainless steel Titanium, titanium alloys Copper alloys - easy to machine (brass - bronze) Copper alloys - difficult to machine / Aluminium bronze Aluminium alloys Cast aluminium Gold, silver Inconel Nimonic Hastelloy

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