Dimensional inspection, sometimes referred to as dimensional measurement or dimensional metrology, is a field of expertise that involves a wide range of applications, from large and complex parts (such as jet engine turbines) to extremely small parts with strict tolerances, such as equipment in the medical equipment industry. Simplified size checking can be seen as a process of comparing the actual and expected objects of an object, and using quantifiable values to measure any actual physical features, such as

length, width, and height. Angle and verticality. Roundness, flatness, and other geometric features. Location. Shape contour. Surface characteristics. Edge clarity. Uniform thickness. Why is size inspection important< p> Usually, when size measurement is required, the required results must be both accurate and precise. At present, size inspection is mainly divided into the following four main categories First article inspection. The implementation of the manufacturing process requires special attention to details, especially when the equipment has been specially designed. The first item inspection is required to ensure correct installation and calibration of the equipment, and to verify the manufacturing process. Dimensional measurement is used to compare the first object in the production line with 3D CAD models, engineering drawings with tolerances, and/or other specifications Quality control. When objects coming out of the production line must meet certain quality standards, measuring equipment can be used to confirm whether the dimensions are within the required tolerance range. In some cases, when precision requirements are higher, it will be necessary to measure each product. In other cases, spot checks can be conducted through batches Compliance. In industries that require compliance with regulations, dimensional measurement ensures that the required specifications are met. Regulatory agencies such as the FDA or FAA typically have requirements for the size of certain components High precision engineering. Small parts usually require high accuracy. If minor defects or inconsistencies affect the entire equipment, it is crucial to ensure that such defects do not exist The entire purpose of manufacturing is to create a repeatable, scalable, and reliable process. Ultimately, reducing production costs and pricing for users Conducting dimensional checks during the production process can help prevent serious errors, such as defective batches. The production line for producing duplicate products requires precise setting and alignment. Errors in the production line can lead to a whole batch of defective products, which can be very expensive in terms of time and cost to correct production errors. Defective parts. Using dimensional inspection as part of the high-precision manufacturing quality control process ensures that each part meets the required specifications.