---
# SPDX-License-Identifier: LGPL-2.1-or-later

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Model:
  Name: 'Machinability'
  UUID: '9d81fcb2-bf81-48e3-bb57-d45ecf380096'
  URL: 'https://en.wikipedia.org/wiki/Speeds_and_feeds'
  Description: >-
    Model for calculating feeds and speeds on a milling machine or lathe
  DOI: ""
  SurfaceSpeedHSS:
    Type: 'Quantity'
    Units: 'm/min'
    URL: 'https://en.wikipedia.org/wiki/Speeds_and_feeds#Cutting_speed'
    Description: >-
      Cutting speed (Surface Speed) for general-purpose milling
      using High Speed Steel tools.
  SurfaceSpeedCarbide:
    Type: 'Quantity'
    Units: 'm/min'
    URL: 'https://en.wikipedia.org/wiki/Speeds_and_feeds#Cutting_speed'
    Description: >-
      Cutting speed (Surface Speed) for general-purpose milling
      using Carbide tools.
  UnitCuttingForce:
    Type: 'Quantity'
    Units: 'N/mm^2'
    URL: 'https://www.machiningdoctor.com/glossary/specific-cutting-force-kc-kc1/'
    Description: >-
      Specific cutting force, normalized for a undeformed chip thickeness of 1 mm, a cutting
      width of 1 mm and a rake angle of 0 degrees.
      This material property, generally denoted with k_c1.1, is used together with a chip
      thickness exponent, m_c, to calculate the actual specific cutting force for the actual
      feed (i.e. undeformed chip thickness), the actual rake angle and other correction factors.
  ChipThicknessExponent:
    Type: 'Float'
    Units: None
    URL: 'https://www.machiningdoctor.com/glossary/specific-cutting-force-kc-kc1/'
    Description: >-
      This material property, also called "material constant" and generally denoted m_c,
      determines the effect of the undeformed chip thickness on the actual specific cutting
      force the further away it gets from the unit cutting force's normalization point.