NOTE: Don’t bid either accept this work if you haven’t done it before. Go through all the attached documents.
Below are the steps and guidelines to answering the Linkage mechanism, CAM and Gear mechanism work. Please follow the steps.
I Linkage mechanism
– Calculation of the degree of freedom, mechanism class, and rank;
Explain mechanism purpose, working principles, links, and kinematical pairs;
Describe links and kinematical pairs, their motion;
Explain equation members meaning;
Explain why n, p5, p4 have such values in your case;
What means W value;
What coordinate is chosen as generalized and why.
– Metric synthesis of the linkage mechanism
The task of metric synthesis?
Describe known values, announce values to be found
Describe methods used for research
Number pictures, tables, scathes, … and explain how you did it (info sources)
We are using SI measurement system (m, s, kg and rad, N, …)
– Kinematical analysis of linkage mechanism
Tasks of Kinematical analysis of linkage mechanism
Explain how linkage elements positions are found
Describe methods used for velocity calculations (equations, dependencies, …)
Describe methods used for acceleration calculations (equations, dependencies, …)
Built kinematical diagrams and explain results
– Kinetostatical analysis of linkage mechanism
Declare initial data and describe results to be searched
Analyze the equilibrium of different links; explain dependencies, equilibrium equations
Analyze equilibrium of crank; explain dependencies, equilibrium equations
II Designing of Cam mechanisms –
Follower’s motion law Describe cam mechanism to be analyzed; Declare initial data and describe results to be searched:, What motion laws are considered and why. What motion law is selected and why; Calculation and presenting of follower’s motion diagrams. Result review and analysis. – Calculation of main dimensions for cam mechanism The task of metric synthesis? What values need to be found; Used method and explanations; Drawing with explanations; The minimal values of calculated parameters. Values taken into design. – Cam profile design Main parameters describing geometry and work conditions of cam mechanism. Method used in Cam profile design (short description, info sources if needed, other important remarks) Drawing of design (with marked all curves and circles describing cam profile). Drawing 2 Please drawing should have is own page separated from the main work just like the sample i sent to you earlier.
III Designing of Gear mechanisms Review of gear mechanism presented in task.
Calculate and present transmission ratios (total, spur gear coupling and planet reducer) – Coupling design between gears z1 and z2 Analysis of gear z1 and z2 (evaluation of numbers of teeth); Explain why and how defined modification coefficients for gears; Calculation of gears geometrical parameters (advice: do it table – ex. In lecture slides) Explain steps and design gears coupling with gear teeth profiling Put all values in to drawing according standard; Calculate real overlapping coefficient from the drawing. Explain its meaning. – Designing of planet reducer Describe planet reducers design, given values and values needed to find; Explain method to find numbers of teeth for sun and planet gears. Calculate numbers of teeth. Check difference of designed and needed transmission ratios and evaluate it in percent. Check design of planet reducer by coaxiallity, coexistence; possibility to assemble reducer; Make drawing. Drawing 3 –
Please drawing should have its own page separated from the main work
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