Alignment - Millwright Manual Questions & Answers Correct 100%

Why are machines accurately aligned with each other? 23:1 - ANSWERSMachines are accurately aligned to work together smoothly. Thus increasing working life. How is the Primary unit positioned? 23:1 - ANSWERSThe primary unit is positioned according to reference lines (centre-lines, benchmarks etc) What are the other machines aligned with the Primary unit? 23:1 - ANSWERSDrive units; prime movers, transmission units etc. Are usually aligned with the primary unit. How is an alignment procedure chosen? 23:2 - ANSWERSThe alignment procedure used is determined by the type of components connecting the units. What procedure is used to align coaxial shafts? 23:2 - ANSWERSIn-line (coaxial shafts) are usually alogned with couplings in a procedure called coupling alignment. What are the results of coaxial misalignment? 23:2 - ANSWERSResults of coaxial misalignment are: -reduced bearing life -coupling damage -high vibration