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Patent number 91-7139

Reg. No.
1968/011700/07
KWIKSPOT is a projector along the lines of a slide projector but instead of using a photographic slide, it uses a metal graticule drilled by means of a computerised machine center. The complete drill pattern is drilled on the gradicule (up to 150 holes) which is suitable for tunnel sizes ranging from 10m2 to 40 m2. The light source is a 12 volt 75 watt Halogen Lamp.

Focusing of the drill pattern is done through a zoom lens which can increase or decrease the distance between hole spacing until correct focusing is achieved. Other marks such as center line and grade lines can also be included. The projector is placed on a surveyor type tripod. A tilt head enables the projector to be leveled and directed at the rock face.

The projector is normally placed 8 to 10 metres from the face, approximately 1,5 metres above the footwall and more or less in the center of the tunnel. The light dots that appear on the tunnel face are 50 mm in diameter. The power source is a 12 volt 17 AMP battery.

Technical Information:

 · Length:
 · Height:
 · Width:
 · Mass:
 · Battery:
 · Globe:
 · Mass of Battery:
 · Charging System:

 · Battery Charge Life:

300mm
220mm
100mm
4,5kg
12 volt Dc 17 AMP hour
12 volt 75 Watt
5,5 kg
220 volt charger with built in safety device to prevent over charging.
Approximately 2,5 hours continuous use.

A suitable carry bag is provided to transport the battery in and a carry case for the projector.

Features:

  
 · Robust
 · Low Maintenance
 · Battery Powered
 		 · Easily Transported
 · Safe
 · One Man Operation
 · Simple to Use
 · Reduces Overbreak
 · Saves You Time and Money

Read more about the FINSCH MINE BLOCK 4 PROJECT












 
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