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Feeds & Speeds Calculations

Optimize your CNC performance with accurate feed rate and spindle speed calculations.

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cnccode.com – Ultimate CNC Knowledge Hub | G-Code, CAD/CAM, DIY CNC Latest Questions

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cnccodeTeacher
Asked: May 10, 2025In: Feeds & Speeds Calculations

How are feeds and speeds calculated for CNC machining, and why are they important?

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Feeds and speeds determine how fast the tool moves and spins relative to the material, and they are critical for efficiency, part quality, and tool life. Here’s a breakdown: Spindle speed (RPM): Often based on cutting speed (surface feet ...

chip loadcnc settingscutting calculatorcutting parametersfeed ratefeeds and speedsmaterial removal ratesfmspindle speed
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cnccodeTeacher
Asked: May 7, 2025In: Feeds & Speeds Calculations

Feeds & Speeds Calculator Guide: How to Nail Cutting Parameters Every Time

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Optimal cutting parameters are a science: Key Concepts: Surface footage (SFM), chip load (IPT/MMT), depth of cut, width of cut. Calculation Formulas: RPM = (12 × SFM)/(π × D), Feed rate = RPM × # of flutes × chip ...

chip load calculationcnc speed settingscutting parameter guidefeeds and speedsrpm formula
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cnccodeTeacher
Asked: May 4, 2025In: Feeds & Speeds Calculations

What’s your secret formula for perfect feeds & speeds on aluminum?

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Aluminum can be tricky. Share your go-to calculator, formula, or experience-based setup for flawless aluminum cutting.

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cnccodeTeacher
Asked: May 4, 2025In: Feeds & Speeds Calculations

Feeds & Speeds: How to Calculate Perfect Settings for Any CNC Job

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Feeds and speeds are what make or break your cut quality. This section explains how to calculate spindle RPM, feedrate, and depth of cut based on material and tooling. Learn about chip load, surface speed (SFM), step-over, and climb vs ...

chip loadcnc calculatorfeeds and speedsoptimal cutting speedspindle rpm
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