Precision instruments employed for quality control on computer numerical control (CNC) machines encompass a range of devices, from basic calipers and micrometers to sophisticated laser interferometers and coordinate measuring machines (CMMs). These devices ensure components adhere to specified tolerances, verifying dimensions such as length, diameter, and angles. For example, a touch probe attached to a machining center can automatically measure features during the machining process, allowing for real-time adjustments.
Accurate metrology is fundamental to the success of CNC machining. By precisely measuring workpieces and tooling, these instruments guarantee part conformity, minimize waste, and enhance overall productivity. Historically, manual methods were employed, introducing variability and limiting complexity. The evolution of these instruments, coupled with CNC technology, has enabled the production of increasingly intricate parts with exceptional accuracy and repeatability, revolutionizing manufacturing processes across numerous industries.