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# Assembly of Ramsbottom safety valve

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Assembly of Ramsbottom safety valve, Computer Aided Machine Drawing (CAMD) of VTU Syllabus prepared by Hareesha N Gowda, Asst. Prof, Dayananda Sagar College of Engg, Blore. Please write to hareeshang@gmail.com for suggestions and criticisms.

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### Transcript of "Assembly of Ramsbottom safety valve"

1. 1. Ramsbottom Safety Valve Hareesha N Gowda Asst. Professor Dept of Aeronautical Engineering Dayananda Sagar College of Engineering Bangalore-78
2. 2. 5/17/2013 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 2 Part-1: Body
3. 3. • Create parallel plane as shown in fig -2, create sketch as shown in fig-1 • Select both outside circles and create protrusion, thickness 55mm as shown in fig-3 • Select base of protrusion as shown in fig 4, create circle of dia 99mm, fig-5 • Use swept protrusion, select sweep path, right click, select cirle of dia 99mm, finish. Fig.6 fig-1 fig -2 fig-3 fig 4 fig 5 Fig.65/17/2013 3 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 On parallel plane
4. 4. • Use swept cutout, select swept path, right click, then select circle of dia75mm, click finish. Ref. Fig-1 • Use fillet, create fillet as shown in fig-2 of rad. 12mm. • Create Threaded hole as shown. Ref Fig 3, 4 and Fig.5 Fig-1 fig-2 Fig 3 Fig 5 Fig 4 5/17/2013 4 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
5. 5. fig-1 fillet of radius 24mm • Create fillet of Rad 24mm as shown in fig-1. • Create parallel plane as shown in fig-2, create circle of dia 250mm as shown in fig-3. Create protrusion as shown in fig-4 fig-2 fig-3 fig-4 5/17/2013 5 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
6. 6. • Create a parallel plane as shown in fig-1. Create circle of dia 124mm on bottom of the circular protrusion shown in fig -2 and create circle of dia 99 mm on parallel plane created as shown in fig 3. • Use lofted protrusion, select both circles which were created, right click to accept, finish. Ref fig 4 fig 2 fig 3 fig-1 fig 4 5/17/2013 6 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
7. 7. • Create circle of dia 100mm on bottom of the circular protrusion shown in fig -1 and create circle of dia 75mm on parallel plane created as shown in fig 2. • Use lofted cutout, select both circles which were created, right click to accept, finish. Ref fig 3 and 4 fig -1 fig -2 fig -3 fig -45/17/2013 7 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
8. 8. • Cut view of the part is as shown in fig.1. Remove extra material as you can see in fig-1, use lofted cut out again as shown in fig-2. • Create fillet of 12mm as shown in fig 3 fig 3 fig 1 Fig 2 5/17/2013 8 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
9. 9. • Create hole of dia 21mm, depth 25mm as shown in fig-1. • Use circular pattern to create circular array of holes. Use this procedure • Circular pattern Select feature Right click to accept Select bottom plane of circular protrusion choose circular pattern in tool bar use fill Give rad 100mm count 6 spacing 60o Select center point of arc Select a point on the circle Select direction Return. 5/17/2013 9 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
10. 10. • Select xz plane, create sketch as shown in fig and create rib as shown in fig-2. Rib thickness 12, use symmetric thickness option (Both sided arrow mark) • Use smart mirror to create rib on the other side as shown in fig-3. fig-1 Fig-2 Fig-35/17/2013 10 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
11. 11. • Select YZ plane as shown in fig-1, create sketch as shown in Fig 2 • Use symmetric protrusion, use up to next. Ref Fig 3 • Select the plane as shown in fig-4. Create sketch as shown in fig 5. • Use cut out ( use through next). Ref Fig.6 Fig 3Fig 1 Fig 2 Fig.6 Fig.5 Fig.45/17/2013 11 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
12. 12. • Select xz plane, create sketch as shown in Fig.1. • Use revolved protrusion as shown in Fig.2 • Create sketch as shown in fig.3, create symmetric, through all cut out as shown in Fig.4. Create G3 thread as shown in Fig.5. Create groove and 1mm chamfer as shown in Fig.5 5/17/2013 12 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 Fig.1 Fig.2 fig.3 Fig.4 Fig. 5 Part-2
13. 13. • Select xz plane, create sketch as shown 5/17/2013 13 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 Part-3
14. 14. 5/17/2013 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 14 Select YZ plane, create sketch as shown, create washer of thickness 6mm Part-4
15. 15. 1. Select top plane 2. Crete the sketch as shown in figure 3. Use symmetric protrusion command, height-9 mm to create features as shown in figure. Create threaded hole as shown. 5/17/2013 15Hareesha N Gowda, DSCE, Blore-78 4. Select XZ plane, create sketch as shown in fig. use revolved cutout (outside cut) to create features as shown in figure. Mirror to other side. Part-5Lock nut M20
16. 16. Save the previous part (Lock M20 Nut) as M20 Nut change thickness to 16 mm Part-6nut M20 5/17/2013 16 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
17. 17. Part-7Link Thickness 6 mm 5/17/2013 17 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
18. 18. Part-8Pin 5/17/2013 18 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
19. 19. Part-9Split Pin 5/17/2013 19 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 Use swept protrusion
20. 20. 5/17/2013 20 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 Part-10 XY plane XZ plane XZ plane Valve
21. 21. 5/17/2013 21Hareesha N Gowda, Asst Prof, DSCE, Blore-78 Part-11 Lever
22. 22. 5/17/2013 22Hareesha N Gowda, Asst Prof, DSCE, Blore-78 Part-11 Lever
23. 23. 5/17/2013 23 Hareesha N Gowda, Asst Prof, DSCE, Blore-78 Part-12 Pivot
24. 24. 5/17/2013 24 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 Part-13: Spring Use Helical protrusion Axis length and pitch pitch=15mm
25. 25. 5/17/2013 25 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 Part-13: Spring
26. 26. 5/17/2013 26 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 Part-13: Spring
27. 27. 5/17/2013 27 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78 Part-13: Spring
28. 28. 5/17/2013 28 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
29. 29. 5/17/2013 29 Hareesha N Gowda, Asst Prof, DSCE, Blore- 78
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