What is a stumpy rock crusher and how does it work?

A "stumpy rock crusher" isn't a common term in the mining or construction industries. However, it may refer to a compact or robust rock crusher that is used for breaking down rocks into smaller pieces. Rock crushers are often used in construction, mining, and landscaping to process aggregates or reduce the size of rocks for further use.

Here's how a typical rock crusher works:

1. Feeding: Rocks are fed into the crusher, usually from a hopper. The size of the input rocks will be dependent on the crusher's opening size.

2. Crushing Mechanism:

   • Jaw Crushers: Use two plates, one stationary and one moving, to crush the rock as the plates move towards and away from each other.
   • Cone Crushers: Use a rotating spindle and a concave liner to gyrate, breaking the rock by compression.
   • Impact Crushers: Use high-speed impact with blow bars that come into contact with the rocks, accelerating them against impact plates.
   • Roll Crushers: Utilize compression with two rotating rollers that crush the rock as it is pulled between them.

3. Size Reduction: The mechanical process reduces the size of the rocks, creating smaller particles or aggregates suitable for specific uses like construction or industrial processing.

4. Discharge: The finished product is expelled from the crusher, usually onto a conveyor belt for further processing or transport.

If "stumpy rock crusher" is a specific brand or model, additional detail from product information or manufacturer specifications would be necessary to provide a more precise explanation.