Chordal thickness of the gear teeth at the pitch line. Gear tooth caliper vernier gear tooth caliper digital remark. This document was uploaded by user and they confirmed. Tooth depth h and measure deviation between actual chordal tooth thickness s and its theoretical value. Tooth thickness measurement by gear tooth vernier duration. Gear tooth vernier calipers for the same purpose, it can also be used for measuring hobs, from and thread tools,etc. Measuring range gradua on accuracy gc9000 gcm126 0. The thickness of a tooth at the pitch line is measured by an adjustable tongue. Caliper gear tooth for measures gear tooth thickness on the primary diameter.
Pdf application of the theory of gear tooth flank involutization on. Fix gear tooth vernier calipers at theoretical value of. Be certain to check the dimension over the top of the woodruff keys after installation in the crankshaft, to see that there is no interference with the gear. Ramesh singh wnmsin90n base tangent method single tooth measurement has errors so multiple teeth can be measured at one go. As the tooth thickness varies from top to bottom, any instrument for m easuring on a single tooth must. Worm wheel is a gear with teeth cut on an angle to be driven by a worm. Allowance may be made for any error in blank size by adjusting. The gear tooth vernier is made to measure the chordal thickness of the gear teeth at the pitch line. Gear tooth vernier caliper free download as pdf file.
For the same purpose, it can also be used for measuring hobs, form and thread tools, etc. The vertical gear tooth vernier is made of point the calculate the depth value. The starrett 456 gear tooth vernier caliper is designed to measure in. To check the dimensional accuracy of gear teeth, use a gear tooth vernier caliper see fig. Micrometer calipers, gear tooth vernier calipers, rollers. Home ordnance documents and other related manuals gear tooth vernier caliper. The methods which are used for measuring the gear tooth thickness is 1 gear tooth vernier caliper method chordal thickness method. After you have completed eight lines, do the same manual work from the opposite side. Gear tooth vernier caliper please do like our videos and subscribe our channel for more updates.
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