KAMY offers unmatched quality, value, and innovation in our rock and concrete cutting products. Our expertise in engineering and our quality, US manufactured tunneling, mining and construction equipment is unparalleled to others in the industry.
KAMY is the leading manufacturer of roadheaders in the weight class of 13-100 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch. All of our products can be utilized in a variety of applications from rock excavation, trenching, demolition and concrete, to underwater cutting, tunneling, and scaling.
Technology led the establishment of the quality assurance after-sales service, improve the management system.
Production license of the product ensure that the license number, approval date and expiration date.
Product packaging in line with national regulations, due to packaging damage caused by the products borne.
Any difficulties encountered by customers, we will do our best in the first time to provide perfect service.
Tunnel boring machine - Wikipedia
TUNNEL BORING MACHINE (TBM) & TUNNELING FACT SHEET ... TUNNEL BORING MACHINE (TBM) & TUNNELING FACT SHEET PRE ... The TBM consists of a cutter head with an outside diameter of 42.3 feet (as high as a 4 story building) and a 361 foot long trailing support gear made up of 6 gantries. The total length of
TUNNEL BORING MACHINE (TBM) TUNNELING FACT SHEET
Design Optimization of TBM Disc Cutters for Different Geological Conditions Yimin Xia1, Kui Zhang1,2*, ... cutter head, the lateral force ... Design Optimization of TBM Disc Cutters for Different Geological Conditions Disc Cutter, Finite Element Method, Geological Condition, Structural Optimization, TBM ...
Design Optimization of TBM Disc Cutters for Different ...
The tunnel boring machine is a machine which has been developed in recent years ... successful modern tunnel boring machines use rotating grinding heads with cutting ... It was fitted with a double cutter-head aligned on the same axis. The
Tunnel Boring Machines - I mia
Tunnel Boring Machine (TBM) A tunnel boring machine (TBM) ... The largest diameter TBM, at 15.43 m, was built by Herrenknecht AG for a recent project in Shanghai, China. The machine was built to bore through soft ground including sand and clay. ... All types of hard rock TBMs excavate rock using disc cutters mounted in the cutter head. The disc ...
Tunnel Boring Machine (TBM) - railsystem
A Closer Look at the Design of Cutterheads for Hard Rock Tunnel-Boring Machines. ... (based on the cutter diameter, as noted above), and D TBM is the machine diameter in m. Larger cutters typically have higher velocity limits and are suitable for larger TBMs. ... To avoid unbalanced cutter distribution around the head, ...
A Closer Look at the Design of Cutterheads for Hard Rock ...
General The TBM is accurate, installs a wide range of pipe sizes in varied geology, low cost of operation and a quick learning curve with minimal training, face access for cutter head service and obstruction removal, not water tight, can not be used in gaseous/explosive ground 30-94.5” (760 – 2,400 mm) Diameter Range 48 – 94.5” (1,200 ...
TBM vs Microtunneling - CATT
tunnel boring machine Total length of each TBM and back-up 344 feet Total weight of each TBM and back-up 2,050,000 pounds drive system Total electrical power installed 3,400 KVA Number of hydraulic motors 8 Outside diameter of main bearing 8 feet, 6 inches Weight of main bearing 88,000 pounds cutterhead Cutting head type Closed wheel
Tunnel Boring Machine Fact Sheet - Metro
WE ARE ROXARD and manufacturing every type of single - double - twin disc cutter / roller cutter, cutting knife, scraper, ripper, chisel and their supports for every brand of TBM. We know very well most important instruments for TBMs are they and have to be manufactured with the best quality, this is why we are always successful.