Speeds and Feeds

Before using a cutting tool, it is necessary to understand tool cutting speeds and feed rates, more often referred to as “speeds and feeds.” Speeds and feeds are the cutting variables used in every operation and vary for each tool based on cutter diameter, operation, material, etc. Understanding the right speeds and feeds for your tool and operation before you start machining is critical

feed Rate = RPM * IPT * Z

RPM: rotations per minute, the revolution speed of spindle
chip load(IPT): inch per minute, the amount of material removed per revolution per flute
number of teeth (Z): the number of flutes

The chip load depends on the characteristics of the tool and of the workpiece material. For example, a tool drilling a hole into a soft workpiece material will have a higher chip load than a harder workpiece material

Generally, it would be best if you started at the lower feed rate and slowly increase it from there. For an operation such as milling, the slower the feed rate (and cutting speed), the smoother the finish on the workpiece will be.

Download Feeds and Speeds

SpeTool Aluminum & metal end mill
SpeTool Aluminum & metal end mill
SpeTool Aluminum & metal end mill

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Features:

  • This professional bottom cleaning router bit is not only perfect for wood slab flattening, resurfacing, or plane the top surface of the spoil board, but also for trimming and slotting/grooving. Great replacement bit tool for woodworking
  • 4 wings wood CNC router, Shank: 1/2"; Cut diameter: 2-1/2"; Carbide Inserts 12*12*2.2mm,
  • Contains four cutting flutes, which provide a better cutting result
  • MDF, LDF, fiberboard, plastic, plywood, hardwood, softwood, etc
  • Use on CNC and other automatic routers as well as hand-held and table-mounted portable routers. Such as woodworking engraving machines, trimming machines, etc.


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