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.
Changing everything - Tunnels & Tunnelling International
The award is apt, as Bartlett invented the bentonite tunnelling machine, the precursor to all of the world’s TBMs for loose, sandy soils. Bartlett patented the machine in 1964 and the subsequent 55 years have seen the liberation of almost all geological cLearn More
London's Screen Archives: Bentonite Tunnelling Machine
Bentonite Tunnelling Machine. WRITE A COMMENT ABOUT THIS FILM. c.1965. Unknown. Colour. Sound. Description. Film of a demonstration of the Bentonite Tunnelling Machine. Comments. Add your own comment: We'd especially love to hear from you if you know someLearn More
LUBRICATION AND SOIL CONDITIONING
Lubrication and soil conditioning: state of the art review 3 LUBRICATION AND SOIL CONDITIONING IN TUNNELLING, PIPE JACKING AND MICROTUNNELLING STATE-OF-THE-ART REVIEW 1. INTRODUCTION 1.1 Reasons for soil conditioning and lubrication Lubrication and soil cLearn More
Tunnelling under Cairo using bentonite slurry machines
A major part of the 13.5km spine tunnel of the Greater Cairo East Bank Wastewater Project was constructed using five bentonite slurry machines.Learn More
Tunnel boring machines | Institution of Civil Engineers
Later developments included the first mechanical machine in 1876 and engineer John Price’s rotary excavator in 1897. 1965 saw a major step forward in TBM technology with the invention of the Bentonite tunnelling concept.Learn More
Ground Control for EPB TBM Tunnelling - cedd.gov.hk
widely with the tunnelling and geotechnical industries before publication. One of the most frequent comments received was the need for an equivalent set of guidelines for Earth Pressure Balance Tunnel Boring Machine (EPB TBM ) tunnelling. The HKIE GeotechLearn More
Articles - Tunnelling over time
The outcome was Bartlett’s bentonite tunnelling machine, which he patented in 1964. The essence of the invention is the use of a thixotropic slurry such as bentonite that is under pressure in a sealed bulkhead at the front of the tunnelling machine, so thLearn More
BENTONITE TUNNELLING MACHINE - TRID
BENTONITE TUNNELLING MACHINE. The paper describes a new method of driving tunnels through granular soils above or below the water table using a mechanical tunneling machine within which the face is supported by a thixotropic slurry.Learn More
Tunnel excavation with NFM Technologies slurry tunnel boring
In highly unstable terrain, face pressure during tunneling is maintained by counterbalancing the pressure with bentonite slurry, which forms a mud cake at the tunnel face. The front shield of the ...Learn More
Slurry TBM, EPB TBM : Soft ground machines
Soft ground machines. Slurry TBM (Benton’ Air®) ... TBM (EPB TBM) Slurry TBM (Benton’ Air®) Developed and patented by NFM Technologies, the Benton’ Air® tunnel-boring machine (Slurry TBM) is used for tunnel-boring in highly permeable unstable terrain, orLearn More