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Home/feeds and speeds

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

  • 0

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 7, 2025In: Materials & Tooling

Materials & Tooling for CNC: Match Cutters to Materials Perfectly

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Choosing the right tool for each material is critical: Material Properties: Hardness, machinability rating, grain direction (wood), thermal conductivity (metals). Tool Geometry: Flute count, helix angle, coating (TiN, TiAlN) for aluminum vs. steel vs. plastic. Feeds & Speeds Reference: ...

best carbide end millscnc materials guidefeeds and speedsmaterial compatibilitytool selection
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cnccode
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cnccodeTeacher
Asked: May 7, 2025In: Community Questions / General Discussion

Why Do Identical CNC Machines Produce Different Surface Finishes?

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Imagine this:Two identical CNC machines.Same cutting tool.Same G-code.Same material.Same ambient temperature.Same feeds and speeds.Yet — one produces a noticeably smoother surface finish than the other. What could possibly cause this difference? Is it machine calibration, tool wear, vibration, or ...

cnccnc discussionfeeds and speedsgcodemachine vibrationmachining mysterymanufacturingprecision engineeringsurface finishtool wear
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cnccode
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cnccodeTeacher
Asked: May 6, 2025In: Community Questions / General Discussion

Is There a “Perfect” Feed Rate — or Is It Always Just a Compromise?

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Everyone talks about calculating the ideal feed rate based on material, tooling, and machine limits.But in real-world shop conditions, with tool wear, machine flex, and inconsistent materials —can there really be a “perfect” feed rate? Or are ...

cnc optimizationcutting parametersfeeds and speedsmachining strategyreal-world machiningshop talktool wear
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  • 16 Views
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cnccode
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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.

aluminum machiningchip loadcnc cuttingfeeds and speeds
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cnccode
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cnccodeTeacher
Asked: May 4, 2025In: Feeds & Speeds Calculations

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

  • 0

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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  • 4 Views
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