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- Surface_feet_per_minute abstract "Surface feet per minute (SFPM or SFM) is an imperial and American customary unit of speed, being the number of linear feet that a location on a rotating component travels in one minute. Its most common use is in the measurement of cutting speed (surface speed) in machining. It is a unit of velocity that describes how fast the cutting edge of the cutting tool travels. It correlates directly to the machinability of the workpiece material and the hardness of the cutting tool material. It relates to spindle speed via variables such as cutter diameter (for rotating cutters) or workpiece diameter (for lathe work). SFM is a combination of diameter and the velocity (RPM) of the material measured in feet-per-minute as the spindle of a milling machine or lathe. The faster the spindle turns, and/or the larger the diameter, the higher the SFM. The goal is to tool a job to run the SFM as high as possible to increase hourly part production. However some materials will run better at specific SFMs. When the SFM is known for a specific material (ex 303 annealed stainless steel = 120 SFM for high speed steel tooling), a formula can be used to determine spindle speed for live tools or spindle speeds for turning materials. In a milling machine, the tool diameter is substituted for stock diameter in the following formulas when the cutter is revolving and the stock is stationary. Spindle Speed can be calculated using the following equation:SFM can be calculated using the following equation:".
- Surface_feet_per_minute wikiPageExternalLink milling_formulas.pdf.
- Surface_feet_per_minute wikiPageExternalLink feeds.htm.
- Surface_feet_per_minute wikiPageID "5584703".
- Surface_feet_per_minute wikiPageRevisionID "605837910".
- Surface_feet_per_minute hasPhotoCollection Surface_feet_per_minute.
- Surface_feet_per_minute subject Category:Machining.
- Surface_feet_per_minute subject Category:Metalworking_terminology.
- Surface_feet_per_minute subject Category:Units_of_velocity.
- Surface_feet_per_minute type Abstraction100002137.
- Surface_feet_per_minute type DefiniteQuantity113576101.
- Surface_feet_per_minute type Measure100033615.
- Surface_feet_per_minute type UnitOfMeasurement113583724.
- Surface_feet_per_minute type UnitsOfVelocity.
- Surface_feet_per_minute comment "Surface feet per minute (SFPM or SFM) is an imperial and American customary unit of speed, being the number of linear feet that a location on a rotating component travels in one minute. Its most common use is in the measurement of cutting speed (surface speed) in machining. It is a unit of velocity that describes how fast the cutting edge of the cutting tool travels. It correlates directly to the machinability of the workpiece material and the hardness of the cutting tool material.".
- Surface_feet_per_minute label "Surface feet per minute".
- Surface_feet_per_minute sameAs m.0dttdy.
- Surface_feet_per_minute sameAs Q7645974.
- Surface_feet_per_minute sameAs Q7645974.
- Surface_feet_per_minute sameAs Surface_feet_per_minute.
- Surface_feet_per_minute wasDerivedFrom Surface_feet_per_minute?oldid=605837910.
- Surface_feet_per_minute isPrimaryTopicOf Surface_feet_per_minute.