Smaller chips are easier for your machine to remove, meaning there is less stress on your bit when carving. If your chips are too large, you risk breaking your bit because there is too much stress on the tool. Removing large chips is useful on materials where melting is a factor, such as acrylics, plastics, and metals. Larger chips will remove heat from near the cutting area quicker. This is commonly measured in feed per tooth. Spindle speed is the rotational speed of your bit, measured in revolutions per minute (RPM).Ĭhip load is the amount of material removed by each flute (or tooth) on the bit. This guideline represents the maximum depth per pass for a bit size: most depth per pass settings are much more conservative than these values. This means that if you are using a bit with a 1/4” cutting diameter, your depth per pass should be no greater than 1/8” for a bit with a 1/8” cutting diameter, your depth per pass should not exceed. (1” total depth) / (.125” per pass) = 8 total passesĪs a general rule, we do not recommend using a depth per pass that is greater than half the cutting diameter of your bit. If you are clearing a pocket that is 1” deep, your machine will make a total of 8 passes: 125” deep each time it starts a new tool path. Depth per pass is commonly measured in inches or millimeters.įor example, a depth per pass of. If you’re interested, you can learn more about Easel’s feed rate override feature.ĭepth per pass (sometimes referred to as depth per cut) is how deeply your bit goes into your material every time it starts a new toolpath. Z-axis movements are determined by plunge rate (inches) and depth per pass. For example, a feed rate of 20 IPM means your machine advances 20 inches along the x- and y-axis in the course of one minute, regardless of how fast your bit is rotating.įeed rate does not impact your z-axis. When using Easel with X-Carve and Carvey, feed rate is an independently-controlled motion that will not change if you increase or decrease the rotation per minute (RPM) of your router bit. Another way to think about feed rate is the distance your bit moves through your project in one minute. For X-Carve and Carvey, the feed is measured in inches per minute (IPM). Feed rate is the rate at which your machine advances along carve your project.
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