YoraHome SilverBack Benchtop CNC Router 1X1M

About the Machine

The SilverBack Benchtop CNC Router 1X1M is YoraHome's large-format benchtop machine, with a 100 x 100 x 10 cm (39 x 39 x 4 in) working area and a 500W spindle motor (52mm diameter mount). YoraHome does not publish stepper motor, drive system, or controller specs for this model.

Cut Settings on this Machine

Every cut starts with one formula: Feed Rate = Spindle Speed (RPM) x Chip Load x Number of Cutting Edges (flutes). Chip load is the thickness of material each cutting edge removes in one revolution of the bit. This number comes from the manufacturer of the bit, which publishes a chip-load chart for each bit diameter and material. Look up your exact bit and material, start from the middle of the published range, and you have the third number in the formula. The chart below shows the recommended spindle speed for each material and bit type.

YoraHome doesn't publish a max RPM for the SilverBack 1X1M's 500W spindle, so check the rating plate on your unit against the chart. Stepper motors and drive system aren't published for this model either, which makes it hard to say how deep a single pass can safely go. Depth per pass is where the machine itself matters: a truly rigid machine with a powerful spindle can cut as deep as the bit is wide in a single pass, but that takes real spindle torque, a drive train and clamps that hold firm, a gantry that will not flex, and enough mass to soak up vibration. Without published rigidity numbers, treat this machine conservatively and take shallower passes. Push too deep and the bit deflects and chatters, leaving scalloped edges, or it rubs instead of cutting and burns the material. The fastest way to dial in a cut is to see what has already worked for other people.

Worked example for feed rate: 1/8in (3.175mm) two-flute solid carbide end mill in hard wood. The chart says 16,000 RPM; YoraHome doesn't publish a max RPM for this spindle, so check the rating plate on your unit and use whatever it allows, up to 16,000. With the bit maker's 0.025mm per tooth (0.0010 in) at 16,000 RPM: 16,000 x 0.025 x 2 = 800 mm/min (31 in/min) feed. Scale that number down if your spindle's actual RPM is lower. For depth per pass, start shallow and check Community Cut Settings in Easel for what works on this machine. If the cut sounds strained, reduce the depth, not the feed. Slowing the feed below the chip load makes the bit rub instead of cut.

Community Cut Settings shows the spindle speed, feed rate, and depth per pass other makers actually run for your machine, material, and bit.