OneFinity CNC
OneFinity Machinist (Gen 1) Feeds & Speeds Calculator
Starting feeds and speeds for the OneFinity Machinist (Gen 1), 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 OneFinity Machinist (Gen 1)Dialing in the OneFinity Machinist (Gen 1)
Two things set the numbers on the OneFinity Machinist (Gen 1): how fast the Makita RT0701C spins, and how much the frame can take without chattering. It runs a working range of about 10,000 to 30,000 RPM, on ball screws. The OneFinity Machinist (Gen 1) is one of the stiffer hobby machines, so it can take deeper passes than most before it starts to chatter.
So for a 1/4" two-flute bit in softwood, a sensible starting point on the OneFinity Machinist (Gen 1) is around 17,000 RPM and 102 inches per minute, taking about 0.1125" 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.
OneFinity Machinist (Gen 1) 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" | 25,000 | 100 ipm | 0.056" |
| 1/4" | 17,000 | 102 ipm | 0.113" | |
| Hardwood | 1/8" | 30,000 | 90 ipm | 0.028" |
| 1/4" | 20,000 | 100 ipm | 0.056" | |
| Plywood / MDF | 1/8" | 25,000 | 100 ipm | 0.056" |
| 1/4" | 17,000 | 102 ipm | 0.113" | |
| Acrylic | 1/8" | 25,000 | 100 ipm | 0.042" |
| 1/4" | 13,000 | 104 ipm | 0.084" | |
| HDPE / Plastics | 1/8" | 17,000 | 102 ipm | 0.042" |
| 1/4" | 10,000 | 100 ipm | 0.084" | |
| Aluminum | 1/8" | 30,000 | 60 ipm | 0.014" |
| 1/4" | 25,000 | 100 ipm | 0.028" |
Numbers are generated by our feeds and speeds calculator using the OneFinity Machinist (Gen 1)'s spindle range and a stout-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 OneFinity Machinist (Gen 1). 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 OneFinity Machinist (Gen 1) calculatorOneFinity Machinist (Gen 1) feeds and speeds FAQ
What RPM should I run on a OneFinity Machinist (Gen 1)?
For most wood with a 1/4" two-flute bit, 17,000 RPM is a good starting point on the OneFinity Machinist (Gen 1). Its working range is about 10,000 to 30,000 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 OneFinity Machinist (Gen 1) in hardwood?
Start around 100 inches per minute with a 1/4" two-flute bit in oak or maple on the OneFinity Machinist (Gen 1), 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 OneFinity Machinist (Gen 1) cut aluminum?
Yes. The OneFinity Machinist (Gen 1) 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.
OneFinity Machinist (Gen 1) full review
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