Design and research of mechanisms of cross-stringed machine with rocking link

Contents

Contents

Contents

Terms of Reference

1. Design of crank-and-link mechanism and definition of its movement law

1.1.Projection of kinematic circuit and determination of mechanism link lengths

1.2 Dynamic Model Selection

1.3 Diagram of resistance forces

1.4 Calculation of kinematic transfer functions of speeds

1.5 Construction of diagrams of the given moments of inertia JΟpr of the links of group II

1.6 Diagram of total reduced moment

1.7 Schedule of total operation of all forces

1.8 Construction of kinetic energy diagrams of the mechanism

1.9 Determination of required moment of inertia of fly masses

1.10 Graph angular velocity

1.11 Plot angular acceleration

2. Power calculation of crank-and-link mechanism

2.1 Initial data for power calculation

2.2 Construction of the mechanism speed plan

2.3 Construction of the acceleration plan of the mechanism

2.4 Determination of inertia forces, main moments of inertia forces

2.5 Determination of reactions in kinematic pairs

2.6 Calculation of error in determination of moving moment

3. Design of the lateral feed cam mechanism of the table

3.1 Determination of phase angles of cam mechanism, as well as value of pusher movement

3.2 Plot the transfer function of the speed and movement of the pusher

3.3 Determining the main dimensions of the cam mechanism

3.4 Construction of cam profile

3.5 Plotting of pressure angle change

4. Design of gear train and planetary gear box

4.1 Design Input

4.2 Geometric calculation of involute gear train

4.3 Selection of bias factors taking into account qualitative indicators

4.4 Construction of wheel tooth profile made by rack tool; construction of gear train

4.4.1 Construction of machine engagement

4.4.2 Construction of the designed gear train

4.5 Construction of planetary gear reduction gear

Conclusion

List of literature used