The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The effectiveness of heuristics for sequencing operations in a numerically controlled punch press is reviewed in this paper. The contact time of a job with a tool in punching is especially small compared to the total processing time, so that determination of the proper sequence is more crucial than in other machining operations. NC programs from a major metal fabricator are used. Heuristics like...