Through-hub water distribution is a standard feature of all new Echidna diamond rocksaws from the HS and HP series, as of the end of 2023. For S series saws it is an optional extra

Operation

Connect the cooling water hose to the outlet on the hub and open the tap. The automatic water control valve will allow water to flow while the saw is in operation.

The cooling water is distributed via outlets on both sides of the blade. Surface tension and centrifugal force guide the water along the surface of the spinning blade, taking it directly into the cut.

Advantages of Through-Hub Water distribution

Typically, diamond rocksaws for excavators have the cooling water supplied from outlets on the blade. The water hits the fast-spinning blade, most of it bounces straight off and does not enter the cut where it is needed.

With Echidna's through-hub water supply, the water is spinning with the blade as it leaves the orifices on both sides of the blade. The water sticks to the blade, and centrifugal force sends it along the blade surface, into the cut directly.

• The blade is efficiently cooled over its hole surface
• The cut is well lubricated with minimal water
• The system works well with horizontal cuts

Through-hub water can also be provided for multi-blade diamond rocksaws.