AFS Library

WE MIX, NOT MULL

19740816
Journal: AFS Transactions 1974, p. 369-372
Author: R. Townsend

While it is the opinion of the writer that mixes are coming into their own, investigations and visits to foundries indicate that all too often the principal problem in reaching the decision to purchase sand tempering equipment has not been the type of mixer or muller involved. Selection has usually been made to conform to existing load requirements with very little thought given to expansion. It is relatively easy, within reason, to increase the capacity of any other part of the sand system but not the mixer or muller. In the case of the counter-current intensive mixer, a flange has been left in the mixer to take a second 180 hp high speed rotor which will shorten the batch cycle and, therefore, increase the throughput.



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