What is backlash in gear terms? The term backlash is defined as the amount by which a tooth space exceeds the thickness of a gear tooth engaged in mesh. It is necessary to ensure the smooth rotation of meshed gears. The following extract is from the KHK Gear Catalogue* which details the types of backlashes, the relationships between backlashes and the fundamental equations, as well as easy-to-understand illustrations of how it all works.
Don't panic and discover below how to recover an unsaved file. 1  Go to FILE -> Open. 2  Choose Recent Workbooks. 3  Scroll down and click on the Recover Unsaved Workbooks button at the bottom of the list. Note.  When the Open dialog box pops up, just select the necessary file and click Open.
If you are unable to access data or open the worksheet, then you can save the corrupt file in .html format and then reopen it. To do this, perform the following steps: a. Click the File. c. Close the file. d. Again, open the file in MS Excel. e. Click the File menu, and select the Save As option. f. Click the Save As type list and select the Microsoft Excel Workbook option. Change the name of the file, to create filtered copy without replacing the original worksheet file. Note: Some features might get lost when the file is saved in HTML format. 2. Use of Revert To Saved Document.