penetration speed

penetration speed

[‚pen·ə′trā·shən ‚spēd]
(mechanical engineering)
The speed at which a drill can cut through rock or other material.
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References in periodicals archive ?
The meter offers a non-contact infrared depth and penetration speed sensor combined with simultaneous penetration resistance and temperature measurements.
Features include lobed heads to reduce friction and maximize penetration speed, a heat treated alloy steel barrel for exceptional hardness and wear resistance, and a nitrated steel piston with built-in lubrication to minimize wear and resistance.
Hole Hammers feature lobed heads to reduce friction and maximize penetration speed.
All McLaughlin piercing tools feature lobed heads to reduce friction and maximize penetration speed, a heat treated alloy steel barrel for exceptional hardness and wear resistance, and a nitrated steel piston with built-in lubrication to minimize wear and resistance.
Hole Hammers feature lobed heads to reduce friction and maximize penetration speed, heat-treated alloy steel barrel for exceptional hardness and wear resistance, and a nitrated steel piston with built-in lubrication to minimize wear and resistance.
McLaughlin's Hole Hammers feature conical heads to reduce friction and maximize penetration speed, heat-treated alloy steel barrel for exceptional