Cutting speed and RPM (or spindle speed) – the difference
Cutting speed and RPM - what is the difference, and how is it important Cutting speed and RPM are different but related Here's an... Read More
CNC lathe
CNC Turning – reducing radial cutting force
CNC – Reducing radial force in turning and boring You need to reduce the radial force to: 1 Reduce bending of long parts 2 Reduce vibrations,... Read More
Modular tooling, Quick change tooling in CNC machining
Modular tooling and Quick change tooling – what is the difference The terms modular and quick change are often confused 1 Modular tooling... Read More
Material removal rate formula for milling, turning
Material Removal Rate (MRR) – what is it, how is it calculated Here's a brief explanation of what is Material removal rate, the Material... Read More
CNC turning – Threading vs. linear motion
CNC – Is a threading motion the same as a linear motion Although threading may look like a series of linear interpolation motions, a threading... Read More
Why Gray Cast Iron in machine tools ?
CNC – Why Gray Cast Iron is used in machine tool parts Vibration in machine tools causes poor part accuracy and surface finish, and leads to... Read More
Part bending in CNC turning – the reality
CNC: Part bending in turning – the Reality Let’s say you want to turn the part in fig A from a cylindrical raw material If you turn without... Read More
Morse taper on CNC tools
CNC: Morse taper – the inside story Morse tapers are very commonly used in both CNC turning centers and CNC machining centers Here is an... Read More
Positioning accuracy and repeatability in CNC turning– example
Positioning accuracy and repeatability – achieving tolerance less than the accuracy Here’s a question: A CNC turning center has a positioning... Read More
Bad CNC machine and high energy cost
CNC – How a bad machine increases the spindle load and your power bill Machines of two different makes may look the same, and we wonder why one... Read More