veyer 56 is fixed at the lower part of a bracket 57 fixed at the bottom portion of the head placing components 22 22 a bottom portion of the cable veyer 56 is fixed at the vertical block 2 b of the base 2 with fixing equipment that is the cable veyer 56 holds the flat cables 50 50 so that the flat cables 50 50 can bend and extend above the area where the supply conveyer 3 and the exhausting conveyer 5 transport the print board p next the operation of the mounting apparatus with above configuration will be described first the print board p is sent from the upper stream apparatus not shown to the positioning portion 4 through the supply conveyer 3 then the print board p is positioned by the positioning mechanism not shown next according to the mounting data stored in a memory apparatus not shown regarding x and y coordinates rotating angles of the print board p and location numbers of the component supply units the suction nozzle 27 suitable for the type of electronic component selected picks up the electronic component by suction from the component supply unit this is done in accordance with the mounting order that is the beam 6 moves along the guide rail 8 in the y direction driven by the linear motor 7 the mounting heads 23 23 move in the x direction driven by the linear motor 20 without corrosion and continuously move to a space above the component supply unit that stores the.