Dr Ma Mohin MEC6004 1 Lecture Note on Part Design Pulley Support System Base *Dimensions are in mm Key Steps: 1. Draw the base. 2. Boss-extrude it. 3. Add AISI 1020 as the construction material. 4. Change the colour to light grey. Dr Ma Mohin MEC6004 2 Bracket Dr Ma Mohin MEC6004 3 Key Steps 1. Draw the cross-section of the bracket and boss-extrude it. 2. Cut-extrude one large hole. 3. Cut-extrude two small holes. 4. Add AISI 1020 as the construction material. 5. Change the colour to red. Dr Ma Mohin MEC6004 4 Dr Ma Mohin MEC6004 5 Pulley Key Steps 1. Draw the quarter of the cross-section of the Pulley. 2. Revolve it by 360o to get the half of the Pulley. 3. Mirror it to get the full Pulley. 4. Add AISI 1020 as the construction material. 5. Change the colour to yellow. Dr Ma Mohin MEC6004 6 Dr Ma Mohin MEC6004 7 Socket Head Screw Dr Ma Mohin MEC6004 8 Key Steps 1. Draw the half cross-section of the Socket Head Screw and revolve it by 360o to get the full thickness of the Screw. 2. Use cosmetic thread at the lower part. 3. Cut-extrude hexagonal hole on the top. Dr Ma Mohin MEC6004 9 4. Fillet the top edge by radius of 1 mm. 5. Add AISI 1020 as the construction material. 6. Change the colour to blue. Dr Ma Mohin MEC6004 10 Bolt Dr Ma Mohin MEC6004 11 Key Steps 1. Draw a hexagon and boss-extrude it. 2. Draw a circle on the bottom surface of the head and boss-extrude it. 3. Add cosmetic tread. 4. Cut-extrude the edge of the top surface by 1mm with 45o. 5. Add AISI 1020 as the construction material. 6. Change the colour to metallic grey. Dr Ma Mohin MEC6004 12 Nut Dr Ma Mohin MEC6004 13 Key Steps 1. Draw a hexagon with a hole inside and boss-extrude it. Add cosmetic thread inside the hole afterwards. 2. Cut-extrude the edge of the bottom surface by 1mm with 45o. Then, mirror the feature on the top surface. 3. Add AISI 1020 as the construction material. 4. Change the colour to metallic grey. Dr Ma Mohin MEC6004 14 Washer 1 Key Steps 1. Draw two circles with different diameter and boss-extrude it. 2. Add AISI 1020 as the construction material. 3. Change the colour to dark grey. Dr Ma Mohin MEC6004 15 Washer 2 Key Steps 1. Draw two circles with different diameter and boss-extrude it. 2. Add AISI 1020 as the construction material. 3. Change the colour to dark grey.
