Inventables
Inventables X-Carve Pro Feeds & Speeds Calculator
Starting feeds and speeds for the Inventables X-Carve Pro, with the numbers already adjusted for its spindle range and frame. Grab a starting point from the chart, then open the live calculator to watch the cut and fine-tune it for your exact bit.
Open the live calculator for the Inventables X-Carve ProDialing in the Inventables X-Carve Pro
Two things set the numbers on the Inventables X-Carve Pro: how fast the Integrated Spindle spins, and how much the frame can take without chattering. It runs a working range of about 6,000 to 24,000 RPM, on ball screws or precision lead screws (upgraded from belt). The Inventables X-Carve Pro has a solid frame for its class, so the depths below sit in a comfortable middle ground.
So for a 1/4" two-flute bit in softwood, a sensible starting point on the Inventables X-Carve Pro is around 17,000 RPM and 102 inches per minute, taking about 0.11" per pass on a slot. The full chart below covers the materials you are most likely to cut. These are conservative starting points: always test on scrap and let your ears do the final tuning.
Inventables X-Carve Pro starting feeds and speeds
Two-flute bit, slotting cut (the toughest case for clearing chips). Feed in inches per minute, depth per pass in inches.
| Material | Bit | Spindle RPM | Feed rate | Depth / pass |
|---|---|---|---|---|
| Softwood | 1/8" | 24,000 | 96 ipm | 0.055" |
| 1/4" | 17,000 | 102 ipm | 0.110" | |
| Hardwood | 1/8" | 24,000 | 72 ipm | 0.028" |
| 1/4" | 20,000 | 100 ipm | 0.055" | |
| Plywood / MDF | 1/8" | 24,000 | 96 ipm | 0.055" |
| 1/4" | 17,000 | 102 ipm | 0.110" | |
| Acrylic | 1/8" | 24,000 | 96 ipm | 0.041" |
| 1/4" | 13,000 | 104 ipm | 0.083" | |
| HDPE / Plastics | 1/8" | 17,000 | 102 ipm | 0.041" |
| 1/4" | 10,000 | 100 ipm | 0.083" | |
| Aluminum | 1/8" | 24,000 | 48 ipm | 0.014" |
| 1/4" | 24,000 | 96 ipm | 0.028" |
Numbers are generated by our feeds and speeds calculator using the Inventables X-Carve Pro's spindle range and a solid-frame rigidity factor. Aluminum needs a single flute plus lubricant. Always confirm your bit maker's chart and test on scrap.
Want to see it cut?
Open the interactive calculator loaded with the Inventables X-Carve Pro. Change your bit and material, watch the cut run live, and hear the difference between a dialed-in cut and a bad one.
Open the Inventables X-Carve Pro calculatorInventables X-Carve Pro feeds and speeds FAQ
What RPM should I run on a Inventables X-Carve Pro?
For most wood with a 1/4" two-flute bit, 17,000 RPM is a good starting point on the Inventables X-Carve Pro. Its working range is about 6,000 to 24,000 RPM. Go higher for smaller bits and finer detail, lower for big bits and heavy stock removal.
What feed rate should I use on a Inventables X-Carve Pro in hardwood?
Start around 100 inches per minute with a 1/4" two-flute bit in oak or maple on the Inventables X-Carve Pro, at roughly 20,000 RPM. Listen to the cut and adjust: clean chips mean you are dialed in, fine dust means you are going too slow.
Can a Inventables X-Carve Pro cut aluminum?
Yes. The Inventables X-Carve Pro is rigid enough for light aluminum work with a single-flute bit, shallow passes, and plenty of lubricant or air. Keep the chipload small and the depth per pass well under the numbers you would use for wood.
Inventables X-Carve Pro full review
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CNC chip load chart
Feed-per-tooth for every bit and material.
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