03-19-2015, 01:10 PM
Good reuse of an old planner , the fist surface grinders were modified planners .
Sounds a fairly easy job to convert to Hydraulic power , as long as you have a pump/motor combination to that would give you the flow rate for the surface speed you require .
A pilot operated 4 port /3 way valve and a couple of pilot valves on a slide mount to set the the stroke length would give the reciprocating motion , a flow restriction valve so you could set the grinding surface speed .
Have the return stoke on the rod side for faster return (less volume) .
You could look out for a forklift lift cylinder , they are single acting but do come fairly long , I have two 8 foot ones at work waiting to come home . They could be cut down , piston and gland would need a rework to be suitable for double acting ,oh and a port added to the tube .
Or you could just use two single acting cylinders push / pull .
Yet again shame about the pond in the way .
Rob
Sounds a fairly easy job to convert to Hydraulic power , as long as you have a pump/motor combination to that would give you the flow rate for the surface speed you require .
A pilot operated 4 port /3 way valve and a couple of pilot valves on a slide mount to set the the stroke length would give the reciprocating motion , a flow restriction valve so you could set the grinding surface speed .
Have the return stoke on the rod side for faster return (less volume) .
You could look out for a forklift lift cylinder , they are single acting but do come fairly long , I have two 8 foot ones at work waiting to come home . They could be cut down , piston and gland would need a rework to be suitable for double acting ,oh and a port added to the tube .
Or you could just use two single acting cylinders push / pull .
Yet again shame about the pond in the way .
Rob