Figure 11-19.-Adjustable (vernier) coupling.Figure 11-17.-Fixed coupling.Figure 11-20.-Adjustable flexible (vernier) coupling.3. The adjustable (vernier) coupling, whichprovides a means of finely adjusting the relationship oftwo interconnected rotating shafts (fig. 11-19).Loosening a clamping bolt and turning an adjustingworm allows one shaft to rotate while the other remainsstationary. After attaining the proper relationship, youretighten the clamping bolt to lock the shafts togetheragain.Figure 11-18.-Flexible coupling.each splined to its respective shaft, are bolted to themetal disk. The flexible coupling provides a smallamount of flexibility to allow for a slight axialmisalignment of the shafts.4. The adjustable flexible (vernier) coupling (fig.11-20), which is a combination of the flexible diskcoupling and the adjustable (vernier) coupling.UNIVERSAL JOINTTo couple two shafts in different planes, you needto use a universal joint. Universal joints have various11-11
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