machinability

How metals machine

Machinability is how easily a material can be cut, drilled, or shaped by machine tools.

Metals with good machinability produce smooth finishes, allow faster cutting speeds, and cause less wear on tools.

Steel alloys are often rated against a standard: This grade has 80% machinability compared to the baseline.

processes

cutting

Dividing via sharp edge

boring · grinding · reaming · tapping · threading · broaching · honing · sawing · planing · knurling

parameters

coolant

Temperature-regulating fluid

rigidity · chatter · vibration

materials

steel

Carbon-hardened iron alloy

titanium · alloy · cast-iron · stainless · nickel · magnesium · zinc · lead · hardness · ductility

tooling

carbide

Carbon-bonded metal compound

  • insertsItems placed within others
  • flutesTubular wind instruments
  • latheRotating shaping machine

CNC · abrasive · sharpening · coatings · indexable · tap · die · collet · chuck

ratings

productivity

Output relative to input

repeatability

Opposites
ease of machining

machinabilityunworkable

Impossible to execute

hardness · refractory · abrasiveness · brittleness · gumminess

material workability type

machinabilityintractability

Resistance to management

refractoriness

Family

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