Please see Mandrel Indexing With Non-Standard Change-wheels by R. Finch in MEW 264, February 2018. www.model-engineer.co.uk/wp-content/uploads/sites/4/documents/Division_Calculation.xlsx
The EXCEL tables are a useful tool to investigate drill grinding devices and jigs for conically or cylindrically shaped flanks. The application of the worksheet is very simple and no special knowledge of mathematics or computer programming is required. However it is necessary to know the jigs geometrical features which in any case can be…
The spreadsheet has been produced by Christopher Taylor. To use it, enter the worm ratio for the table at the top and the number of teeth/divisions required. Choose any convenient solution that offers a whole number of holes in the right-hand column. If your dividing discs have different numbers of holes, you can change the…
The table has been produced by Howard Lewis. Download Howard’s table HERE. To download the spreadsheet used for generating the table click HERE For more information and discussion, please see the thread HERE.
