| 摘要 |
PURPOSE:To improve the efficiency of the carrier work by a carrier truck in accordance with a carrier request in a carrier system provided with plural carrier cars running on a carrier orbit and plural work stations facing the orbit. CONSTITUTION:An allowance prohibition section 8 and a truck allowance section 7 are set, respectively, on the side of the upstream of each work station in a carrier rail 1, and when an unwork truck 2 exists in the truck allowance section for the work station to be the request object according to a carrier request, a work command is imparted to the truck 2. The length of the truck allowance section 7 is set to the one which corresponds to the distance that the carrier truck 2 moved in the time to be taken to perform the processing in accordance with the carrier request by a control means and to impart a work command to the truck. |
