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.
Bertha (tunnel boring machine) - Wikipedia
Follow Bertha Thank you for following Bertha. The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the latest tunnel progress, visit our new tracker page. An abbreviated history of Bertha:
Alaskan Way Viaduct - Follow Bertha
4/4/2017 · Bertha the tunneling machine broke through a new concrete wall into a disassembly pit. At first it was hard to see the machine's arrival through clouds of dust.
Tunnel boring machine - Wikipedia
Seattle's Big Bertha Tunneling Machine Is Finally Back on Track. After three years and millions of dollars in repairs, the SR99 tunneling machine in Seattle has resumed operations.
Bertha, Seattle's SR 99 Tunneling Machine, Is Finally Done ...
The biggest tunnel-boring machine ever to get stuck under Seattle. More than six months after Bertha had stopped her daily tunneling, I headed down to Seattle's historic Pioneer Square ...
Bye-Bye to Bertha, the world’s largest tunneling machine ...
The machine completed its tunneling on April 4, 2017 and was fully dismantled and removed from the tunnel on Aug. 23, 2017. + Bertha's tunnel route The SR 99 tunnel was built by one of the world's largest tunneling machines.
Seattle's Big Bertha Tunneling Machine Is Finally Back on ...
On Saturday,the world's largest tunnel boring machine was dedicated in the city of Seattle. “Bertha,” as it’s known, will spend the next 14 months boring a 1.7 mile (2.7 km) tunnel under the ...