Recent Blogs
Lathe Back-Gear Engagement: Eccentric Shaft, Direct Pin and Speed Calculator
See how a cone-pulley lathe engages its eccentric back gear, and compare an ideal spindle-speed series with a user-entered reduction.
Lapidary or Lithological Lathe Mechanism: How It Works, Parts, Surface Speed Formula & Diagram
Lapidary or lithological lathe explained — how the spindle, mud-feed and abrasive system shape stone, with worked numbers and examples from gem and stone shops.
Drilling Machine: Spindle Rotation, Quill Feed and Cutting-Speed Calculator
Explore a drill press with spindle rotation and adjustable quill position. Calculate target RPM, actual cutting speed and tool-tip position below the work.