Simple cylinder driving institutions 3D model

Simple cylinder driving institutions, up and down through the agency of a cylinder through external thread connection guide rail, on the guide rail on the installation need drive module, such as dispensing head, joint head, head, through the aluminum connection, can realize the up and down or so simple adjustment, the key is on the basis of the simple structure of implementation, up and down or so control, is a typical model If you like,you can paypal for you to get this models or if you have any questions also you can email to me.