HERO Grinding Machine & Loader Control Orifice DI

The fully automatic HE-grinding (hydroerosive grinding) module has been designed for flow calibration of control orifices to a defined target. Based on a rotary table concept the workpieces are processed in sequentially arranged stations of this module – HE-grinding, purging, measurement. The stations have been integrated twice in the machine in order to process the inlet and the outlet hole of the control orifice. During the grinding process an abrasive fluid is pumped through the orifices of the workpieces in order to radius bore hole intersections. The grinding process is stopped as soon as the flow has reached the correlated target flow value. The loading and unloading of the module takes place automatically and is made by means of a robot. For the part control the DMC of each part is read in the loader module and the orientation is determined to be able to put the part correctly in the rotary table nest. The control orifices are loaded into the machine on pallets. The robot takes the part and drives it over a flip unit before it gets to the DMC reading station. After processing in the rotary table stations, the workpieces get unloaded in the pallet again.