ADDENDUM (a) is the height by which a tooth projects beyond the pitch circle or pitch line. BASE DIAMETER (Db) is the diameter of the base cylinder from which the involute portion of a tooth profile is generated. BACKLASH (B) is the amount by which the width of a tooth space exceeds the thickness of the engaging tooth on the pitch circles. As actually indicated by measuring devices, backlash may be determined variously in the transverse, normal, or axial-planes, and either in the direction of the pitch circles or on the line of action.
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Open Word again. Word automatically searches for any AutoRecovery files. If it finds any, they display in a Document Recovery task pane. You can double-click on your deleted file to pull it back up. If this does not work, you can try manually undeleting the file by clicking on the âFileâ menu.tep 4. Right-click on the filename and select âRestoreâ to put the file back in the subdirectory where it was deleted. Step 5. Open Word and click Open.. Browse to the subdirectory where you restored the file and double-click the file to open it.