Body Valve seat in solidworks.

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Step 1:- Open solidworks window.

Step 2:- Click on creates a document .

Step 3:- click on part icon.
Step 4:- click on sketch icon and a plane on which you want to sketch .

Step 4:- Click on line command and make a center line & now click on circle command make two circles now click on smart dimension then click on circle and insert the value of diameter of the circle and distance between them. To make them constrain press control now select center point of each circle and center line  now a window will open in the left from the add relation select symmetry to add one more relation horizontal by pressing control and selecting origin and center points of circles.

Step 5:- click on feature .select extrude command now select sketch and enter the value of extrude .

Step 6:- click on reference geometry select plane and make a plane with reference of top plane on distance of 225mm .

Step 7:- Now by the sketch command  make a circle on the face of round part on the center point of    diameter 86mm..

Step 8:- Make another circle by sketch command on plane1 of 99mm as shown in fig.

Step 9:- From the feature select loft command now for the loft profile select sketch 3 & sketch 2.  

Step10:- Now select the mirror command. for the mirror select right plane select feature to mirror loft

 

Step 11:- Now make a sketch on the front plane . select arc command and pick three point arc of radius 100mm.

Step 12:- Now make a circle on one face of body as shown in fig.

Step 13:- Now click on sweep command in features. select circle (sketch4) as a profile and arc (sketch5) as a path.

 Step 14:- click on extrude cut command and make a circle on the of diameter 87.88mm for extrude cut of 46mm.

 Step 15:- Make a circle of  diameter 62mm on the face as shown in fig.

Step 16:- Make a circle of  diameter 75mm on the face as shown in fig.

Step 17:- click on loft cut command and select sketch7 & sketch8 as a profile.

 Step 18:- click on sweep  cut command same as sweep select profile & path .

 Step 19:- click on mirror command select mirror plane , select mirror feature cut_extrude and cut_loft.

  Step 20:- click on fillet command select corner for fillet and fill the value of fillet in left side          window.

  

Step 21:- click on extrude command and then select right plane for make a sketch  select rectangle from sketch and draw on plane with the dimension as shown in fig.

 Step 22:- click on reference geometry select plane and make a plane with reference of top plane on distance of 425mm .

  Step 23:- click on extrude command select plane2 make a sketch with circle of diameter  250mm and extrude up to 25mm.

  Step 24:- click on sketch command and make a sketch on right plane as shown in fig.

  

  Step 25:- click on revolve command select axis for revolve and profile which to be revolve .

   Step 26:- click on revolve cut command select axis for revolve and profile which to be revolve .

  Step 27:- click on sketch and select arc make a arc of radius 65mm. On the right plane

 Step 27:- click on Rib command and click on the sketch .

   

Step 28:- after using mirror command you will get another rib.