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MEMORANDUMTo: Professor John MahoneyFrom: Clayton NevillSubject: MMET 301 section 904 –Lab 7: ChainsDate: March 23th, 2020 ______________________________________________________________________________ Purpose The purpose of this memorandum is to show the student’s comprehension of the lab involving chains and sprockets. This memorandum will focus on nomenclature, classification and outputs of the components. Knowledge of the specifications among components will allow for better selection given important parameters. Procedure Exercise I: Part A: •Understanding pitch, roller diameter, inside width, plate thickness, lubrication and application scope for five different types of chains. Part B: •Measure the pitch, hub width, groove diameter, maximum hub, sprocket width, pitch diameter, bottom diameter, bore diameter of sprocket and number of teethExercise II: •Identify chain number and sprocket number in the catalogue•Measure central distance•Measure RPM of each sprocket•Calculate actual velocity ratio and theoretical velocity ratioResults