When I try to work with sheet metal parts and activate the sheet metal tab, the solidworks starts to "jerk" and work slowly. Screen updates like once in a second, even if i have empty part. Once I activate some other tab (Features, sketch, weldments..) solid works goes back to normal. Any idea what might be causing this...
"Jerking" when spinning the part is directly related to the Graphics Card, you can adjust the image quality (graphics) by going to Tools/Options/Document Properties/Image Quality