Hammer Mill Crusher & Grinder

inside_hammer-mill

The hammer mill is the best known and by far the most widely used crushing device employing the impact principle of breaking and grinding stone. Thus far we have described machines which do a portion of their work by impact, but the only machine described in which this action plays an important role was the […]

Double Roll & Teethed Roll Crusher

2_roll_crusher

Although its brief period of popularity passed some thirty-odd years since, and only a few sets were installed before interest reverted to other types, the high-speed double roll crusher developed by Thomas A. Edison shortly before the end of the last century warrants a place in any discussion-of crushing equipment. In 1960, the largest machine […]

Dodge Crusher

dodge_crusher_components

A sectional view of the Dodge jaw crusher here below. The mechanism of this machine is so simple that it is hardly necessary to enlarge upon what can be gained from an examination of the cut.   In one respect, the Dodge machine is a reversal of the actions we have been discussing; its movable […]

Impact Crusher

Impact Crusher

As impact crushing becomes more prevalent in the production of friable as well as some harder types of aggregates, it is natural for those not completely familiar with the process, or recent improvements in technology, to wonder why impactors are being specified in situations previously often considered uneconomical or, at best, marginally feasible for this […]