Witness CNC Machining: From Metal Block to Car Gear
October 15, 2025
Hit play on this CNC machining video, and you’ll see a metal block clamped firmly on a machining center’s worktable. Zooming in, the milling cutter spins at high speed, sending tiny sparks flying.
First, the CNC system automatically loads the program, and the cutter precisely shapes the gear blank’s outline. Next, the tool changer switches tools quickly to drill positioning holes. Finally, the hobbing cutter carefully carves the gear teeth—real-time coordinates on the screen show the error is controlled within 0.005 millimeters. No manual intervention is needed throughout. In just 30 minutes, a rough metal block transforms into a precision-qualified car transmission gear.
The automated, high-precision operations in the video are the core advantages of CNC machining. It makes mass production of key auto parts more efficient and turns "millimeter-level precision" from a technical parameter into a visual scene—no wonder it’s a key driver of manufacturing upgrading.
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