STANDARD PNEUMATIC HEADSPneumatic heads are our most powerful vibracore units. Our custom built pneumatic heads drive the core barrel via a pneumatic piston. DMS employs 3 sizes of pneumatic heads: 4", 6", 8"
|
ELECTRIC HEAD The Rossfelder P-5 contains a pair of vibrator motors which operate in a contra-rotating configuration that doubles the vertical motion of the unit. Its twin cylinder housing and compact shape offers easier access to its internal parts - should, for example, the vibrator motor's wiring harness be switched between 230v or 460v current.
|
MECHANICAL HEADThe Wink Vibracore drill head, is powered by a 6.5 h.p. Honda engine, generates 7,000 to 12,000 acoustic vibrations per minute and transfers them to the drill string. This action, aided by the weight of the equipment itself, mobilizes only the particles coming into direct contact with the drill rods, instead of churning the sample like conventional drilling methods do. The Vibracorer works by vibration, not by rotation or percussion, there is no need for drilling fluids, which contaminate the sample or hinder operation in severe cold weather.
|
WILDCO PONARPonar Grab samplers perform well when taking samples of hard bottoms such as sand, gravel, consolidated marl or clay. Heavy-duty hinges and hinge pin absorb the shock of thousands of bottom impacts when sampling. When the scoops contact the bottom, they penetrate well with very little sample disturbance. An underlip, attached to the scoops, wipes away most pebbles and small cobble that would prevent the scoops from closing completely. Removable side plates prevent the lateral loss of sample when scoops are closing. DMS utilizes two sizes: 6" & 4"
|