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.
If you cannot find any of your Word, Excel, PPT or other Office files on your Mac, you might have met file loss situation. But don't lose your hope, if your action is fast, uFlysoft Mac Data Recovery Tool can help you to recover the lost files on your Mac no matter what reasons make the files loss problem happen.f you cannot find any of your Word, Excel, PPT or other Office files on your Mac, you might have met file loss situation. But don't lose your hope, if your action is fast, uFlysoft Mac Data Recovery Tool can help you to recover the lost files on your Mac no matter what reasons make the files loss problem happen.
1 Open Word. 2  In Word 2010, click, select, and then browse to the file you want to recover. 3  In Word 2007, from the Office Button menu, select, and then browse to the file you want to recover. 4  Click the file you want to recover.5  Select the downward arrow on the button, and then choose.his method requires you to make a setting change in Word before actually trying to recover text from your damaged document. 1  Open Word. 2  Enable the option: 3  In Word 2010, click; in Word 2007, click the Office Button. 4  Select at the bottom, and then choose from the sidebar. 5  Scroll down to the General section.