cylinder boring machine

EBZ135 Rock Tunneling Machine,Roadheader,rock tunnel boring machine,Construction machines

T2120A deep hole drilling and boring machine
deep cylindrical workpiece is specialized processing equipment

High grade steel 42CrMo scraper bits center cutter for tunnel boring machine
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EBZ160 Rocking Tunnel Machine,Roadheader,tunnel boring machine,hard rock roadheader

T2120/1 deep hole boring machine
The machine tool is a special equipment for machining cylindrical deep hole

17" double roller disc cutter for tunnel boring machine TBM cutter
 
 
carbide coal mine cutter bi

TK21100 deep hole drilling machine
Coarse boring: aperture accuracy IT8-10. Surface roughness: Ra6.3.

High Quality Antecedent Cutter for Tunnel Boring Machines Shield
 
 
TBM Disc Cutters,Scrapers,Wire Brus

tunneling bits tunnel boring machine cutter tunnel boring machine parts
 
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This machine is special machine for cylindrical deep hole, it can be used for drilling,boring, trepanning and rolling.

tunneling bits tunnel boring machine cutter tunnel boring machine parts
 
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High toughness tunnel boring machine parts tungsten carbide coal cutter picks rock cutti

Coarse boring: aperture accuracy IT9-10. Surface roughness: Ra6.3.

 1, Features 
 
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ZKA21 series three coordinates precise numerical control deep
hole drilling machine adopts the gun drilling method
(outside chip)