Board Thread:Questions and Answers/@comment-68.60.70.219-20121209040256/@comment-5195161-20121210083512

Take a look here; Tutorial/Automatic Extractor System. This has information on an Extractor system but if you simply replace the Extractor with a furnace or macerator this will also work. If you wanted to macerate then smelt ores etc. Then instead of an output chest place a furnace in it's place.