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Automatic SPT hammer†
Our 140 pound (63.5 kg) automatic hammer gives you extremely consistent and accurate Standard Penetration Test results, meeting all ASTM-D-1586 requirements. There are no ropes or cables to impede the free fall of the weight. A viewing slot allows you to verify the 30 inch (76cm) fall height. The hammer swings from stored position to on-hole position, and the 5 foot (1.5m) vertical travel also allows you to use the hammer to drive casing or probes. Since raising and lowering is done hydraulically, set up is quick and almost effortless. To improve safety, all moving parts are enclosed, including the impact area between the weight and the anvil. Other hammer sizes are available including 170 pound (77.1 kg), 300 pound (136.1 kg), and 340 pound (154.2 kg).
Auger and rod storage
Above deck auger and rod racks are provided with the optional drill platform. Several tool box, auger and rod storage configurations are available.
Slide bases make the job easier and quicker
Slide base options are available in both in-out and sideways movement of the drill on the platform. A 15 inch (38 cm) in-out movement allows you to quickly move the drill on and off the borehole and align the sheaves for lifting tools with the cathead or any of the hoists. An 8 inch (20 cm) sideways movement gives you even more versatility. Aligning augers or rods when making connections is easy. If the bit drifts off at an angle when you start a hole, you can quickly straighten it to a vertical position. If you have ever tried to line up your rig on an existing bore hole, you’ve probably already recognized another benefit of the slide base.
Cone Penetrometer Testing (CPT)
CPT controls allow you to easily switch from typical geotechnical drilling and sampling procedures to pushing a cone. A dedicated hydraulic circuit including detented CPT control lever, hydraulic down feed pressure and CPT feed rate controls provide precise pressure and penetration adjustments required to meet ASTM standards. A separate CPT system hydraulic pressure gauge is provided as well. Anchor points are installed below the drill feed frame so that maximum available pressure can be applied to the CPT tools. A 12-volt power source can be provided at the drill control panel to accommodate electronic devices associated with CPT procedures. Mounting for depth transducers or other related equipment can also be provided.
Additional optional equipment
† Patented by Central Mine Equipment Company
Performance ratings are based on engineering specifications, calculations and accepted industry standards.
Capacities may vary according to drilling conditions. CME reserves the right to amend these specifications at any time, without notice.
Call 1-800-325-8827 for more information!
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