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.
Other Versions of the File. 1  Open the Word file that you saved and now want to restore to its previous condition. 2  Click on the File tab and and select Info.. 3  Select the version you want to open in the Versions list. 4  Click the Restore button when the file opens. Start Microsoft Office and click on the File tab. 2  Select Recent in the left pane. 3  Click Recover Unsaved Documents on the lower right side of the window. 4  The Unsaved Files folder opens. 5  Select the file you want to restore and click Open.. 6  The document opens with a Recovered Unsaved File bar across the top.