UG案例—cam-课件PPT（演讲稿）.ppt

Yantai University. 2007. All rights 1Step 2CAM: select 4 curves (the 2 outside arcs and 2 lines) as the arc center for the center of mass. Enter 1 for the Mass and all Moments of Inertia : select 8 curves as shown. Select the arc center for the center of mass. Enter 1 for the Mass and Moments of Inertia 3Step 4VALVE: select 3 curves and one point as shown (see the arrows in the picture below). Select a control point on the VALVE for the center of mass. Enter 1 for the Mass and Moments of Inertia 5HEAD: select 1 curve and 1 point as shown. Select the Fix the Link check box. Use a control point for the center of 1 for the Mass and Moments of Inertia a Slider joint on the VALVE 6Create a Revolute joint on the CAM link. Define a Constant motion driver on this joint with a Velocity of 7Create a Revolute joint on the ROCKER a Spring force object between the HEAD link and the VALVE link.?First Link: HEAD.?First Origin: existing point in the HEAD link.?Second Link: VALVE.?Second Origin: existing point in the VALVE link.?Enter 2 for the Spring Stiffness. Enter for the Free 8