How to prepare job files for use with YetiPilot, for a material/cutter combination which is not yet available as a preset profile.
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A custom profile is usually only attempted when a preset profile is not available. Before creating a custom profile, you should check to see if your material/cutter combination is available as a preset from the list here.
Pre-requisites
- Prior to cutting, it may be worth experimenting by cutting specific “test trenches” to achieve the best results.
Set the job file strategy for use with a YetiPilot preset profile
When creating a job file (for example in Vectric’s VCarve, or AutoDesk’s Fusion 360), you will be asked to specify various strategy parameters. You should continue with best practice dictate by the material, but set the following parameters as per the instructions below.
Feed rate
YetiPilot will move into the material initially at this rate, and quickly make adjustments from there.
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If you do not have experience in which feed rate to choose, and would like to use YetiPilot to find out:
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Set at 4,000 mm/min (4 m/min) for most cases. The reason for this is to give YetiPilot a full range of adjustment (see info box below). Note: you may need to reduce this if you have a particularly delicate cutter, or a very hard material.
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During the cut, note the average feed rate used by YetiPilot. If making a repeat cut, you may choose to update your job file with this value, since it will give a more optimal result for the first few seconds of the cut.
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If you already have experience with a job and have known good feedrate value in mind, it’s OK to enter that value when creating the job file at the start.
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YetiPilot can adjust the feed rate of the job file from 10% to 200%.
Smartbench has a feed rate which is limited to 8,000 mm/min.
So setting your original job file feedrate to to 4,000 mm/min allows Yetipilot to increase up to a maximum of 8,000 mm/min (4,000 * 200%) and a minimum of 400 mm/min (4,000 * 10%).
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Spindle speed (RPM)
If you are unsure of what speed to select, 22k is a common starting point, which can be adjusted mid-job.
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Note you are allowed to adjust spindle speed (RPM) during YetiPilot operation.
You may also take inspiration from our existing preset profiles - we list our Spindle RPM speeds here
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Stepdown
Don't cut too deep in a single pass - it's better to a shallow cut which moves quickly through the material because this prevents heat build up.
You may also take inspiration from our existing preset profiles - we list our recommended stepdowns for various material/cutter combinations here.
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