The diploma thesis deals with serving process by injection of a plastic product – a mixer clutch that contains metal inclusion. Before injection the metal inclusion has to be properly positioned inside the mould. The first part of the paper describes general definitions and properties of automation, serving and basics of injection process. Additionally, current manual serving process and its downfalls are presented. The concept of automated serving, steps of the gripper design, testing of the serving process and its managing during regular production are presented in the second part of the diploma thesis. In the last part the anticipated, realistic errors and their solutions are described. The result of the automation is the higher productivity and the increase of product quality.