Videos

 

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Pentruder MDU Core Drill - NTGRA®    Pentruder MDU Core Drill - NTGRA® SH-QC Spindle unit and 200 mm drill bit   Pentruder MDU Core Drill - NTGRA® SH-QC Spindle unit and 132 mm drill bit
The Pentruder MDU Core Drill - NTGRA® offers high performance and productivity, reliability and easy handling. It combines at least two core drills in one as the motor runs of both 1-phase and 3-phase input power. The spindle range is very wide and holes from 30-750 mm can be drilled easily and efficiently.    The SH-spindle unit gives the highest spindle speeds of the three available, easily interchangeable spindel units. Here, we are drilling with a peripheral speed of 15 m/second.    The SH-spindle unit gives the highest spindel speeds of the three available, easily interchangeable spindel units. Here, we are drilling with a peripheral speed of 10 m/second. 
   

 

       
Summary of WOC 2012   Pentruder MDU Core Drill - NTGRA®   Pentruder MDU Core Drill - NTGRA® SM-QC Spindle unit and152 mm drill bit

Overview from the Pentruder Inc. booth at World of Concrete.

The visitors could among other products whatch some impressive drilling with the MDU Core Drill with NTGRA® technology and cutting with the Pentruder 8-20HF with 22 kW (30 HP) HF-motor. One cut 152 x 12.7 cm (5'x10'') with 8 pcs of 19 mm (3/4'') rebars took 1:55 minutes.

  A three minute video of the Pentruder MDU Core Drill with NTGRA® technology at the WOC. The drill bit is 12 inch (300 mm) and the concrete is 10 inch (25 cm) thick, two 3/4 inch (19mm) rebars and the drilling took only 2:14 minutes.    In this video from the 15 year celebration of Hydro-Tec GmbH in Germany, the Pentruder MDU Core Drill - NTGRA® is mounted on the Line and Corner Drilling Carriage CEL-TS and a SM-Spindle unit is used. The drill bit is a 152 mm Highspeed Gold from Hydro-Tec. 
   

 

 

 

       
Summary of WOC 2011   Wire sawing in Singapore   MDU test in the USA
An 8 minute video from the Pentruder Inc. stand at World of Concrete. 
 
  Just look at how smooth the wire starts and how straight the cut is. With that amount of steel, 4 sqm per hour is a really good cutting performance!   Drill 30-750 mm holes easily and efficiently. 
   

 

 

 

       
Pentruder CBK at the WOC   Pentruder 8-20HF cutting steel in Houston, Texas
  Wire sawing in the UK

The Pentruder CBK 22 kW / 30 HP single speed saw performed really well during the exhibition. It consistently cut the concrete slab saw which was 25 cm / 10" thick and 2 m / 6.5 ft long and had 8 rebars of diametre 25 mm / 1" thick in less than three minutes.

 

The Pentruder 8-20HF 22 kW / 30 HP 4-speed proved itself at a work site in Houston, Texas. With the really powerful high frequency motor in combination with the 4-speed gearbox the Pentruder 8-20HF had no problems coping with the job in tough Houston aggregate and heavy steel.

  With the Pentruder 3P8 HF-wire saw the start of the wire is easy. The very high torque already from start makes it possible to start without chamfering the corners at most times. The automatic feed and wire tensioning makes it very easy to work with and the smooth run leads to and increased lifetime of the wire.