The location of the workpiece relative to the tool and of the tool to the cutter must be consistent. "Repeatability" is the ability of the workholder to consistently produce parts within tolerance limits, and is directly related to the referencing capability of the tool. So, in the design of a workholder, referencing of both the workpiece and the cutter must be considered and simultaneously maintained. Likewise, if a cutter is improperly positioned relative to the fixture, the machined detail is also improperly located. If a part is incorrectly placed in a workholder, proper location of the workpiece is not achieved and the part will be machined incorrectly. Referencing the workpiece to the workholder, on the other hand, is done with locators. With fixtures, referencing is accomplished using fixture keys, feeler gages, and/or probes. With drill jigs, referencing is accomplished using drill bushings. Referencing the workholder to the cutting tool is performed by the guiding or setting devices. "Referencing" is a dual process of positioning the workpiece relative to the workholder, and the workholder relative to the cutting tool. To accomplish this, the locators must ensure that the workpiece is properly referenced and the process is repeatable. To perform properly, workholders must accurately and consistently position the workpiece relative to the cutting tool, part after part.
As such, the fundamental principles of locating and clamping, as well as the numerous standard components available for these operations, must be thoroughly understood. The program comprises of 5 courses that train you on all the engineering concepts and tools that are essential to get into top OEMs as a Aerodynamics Engineer.Locating and clamping are the critical functions of any workholder. Master's Certification in External Aerodynamics Simulations The Master's in Advanced Aerodynamics program is a 6-month long, intensive program. The program comprises of 5 courses that train you on all the essential engineering concepts and tools that are essential to get into top OEMs as a Design Engineer. Master's Certification in Computational Design and Pre-processing The Master's in Computational Design and Pre-processing is a 6 month long, intensive program.
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