NATIONAL GUARD REGULATION 350 1

Domestic 350 down-the-hole drilling rig

Domestic 350 down-the-hole drilling rig

Compact and versatile drill under 2.7 tonnes (even with all options) Catch all size and wide range of applications Penetrometer option, can be used with open cage Very many options . Thanks to these unique specifications, this rig covers all drilling methods : 1. Conventional coring 2. Drilling with auger 3. Drilling with rotary. . Rigid welded chassis mounted on a hydraulic crawler with adjustable track from 78 to 118cm 4 hydraulic stabilisation cylinders Rock feed. . Triplex injection pump for water and mud drilling Winch for manoeuvring and clearing the hydraulic head Double rod brake Radio control for drilling functions Automatic dynamic. . Speed 314 rpm (standard motor) / 635 rpm (fast motor) / 710 rpm (perf + motor) Max. torque 208 daN.m (standard motor) / 103 daN.m (fast motor) / 229 daN.m (perf + motor) Hydraulic hammer out of hole 120j/cp - 1,600cps/min Traction 2404 daN Rod brake 4 tons (Ø. [pdf]

A major national weapon down-the-hole drilling rig

A major national weapon down-the-hole drilling rig

A down-the-hole drill, usually called DTH by most professionals, is basically a jackhammer screwed on the bottom of a drill string. The fast hammer action breaks hard rock into small cuttings and dust that are evacuated by a fluid (air, water or drilling mud). The DTH hammer is one of the fastest ways to drill. . DTH is short for “down-the-hole”. Since the DTH method was originally developed to drill large-diameter holes downwards in surface-drilling. . A is first thought to have been used for rock drilling in 1844. Many quarries used hand held tools that required the driller to suspend himself from a rope over the. . In DTH drilling, the percussion mechanism – commonly called the hammer – is located directly above the drill bit. The drill pipes transmit the necessary feed force and rotation to the hammer and the bit, along with the fluid (air, water or drilling mud) used to. . DTH products can be used in the following applications:• Mining- drill and blast holes in open pit mining, where the drill operator will drill several holes, then. DTH drilling rig, short for Down-The-Hole drilling rig, is a cornerstone of modern drilling technology. Renowned for its efficiency, precision, and versatility, this equipment has revolutionized industries ranging from mining and construction to geothermal energy exploration. [pdf]

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