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.
PDF Geological limits in roadheader excavation - Four case studies
Geological limits in roadheader excavation - Four case studies K.Thuro & R.J.Plinninger Department for General, Applied and Engineering Geology, Technical University of Munich, GermanyLearn More
Roadheader Excavation Performance - Geological And
Excavation performance is a' term used in underground construction to describe the influence of a number of parameters on the cutting rate and the tool wear of a roadheader. The interaction of the main factors is illustrated in Figure 1. (Figure in full pLearn More
Pit Terminology - Glossary - Mines Rescue
Pit Terminology - Glossary. Glossary of words that are generally specific to the mining industry: Some have a two or three fold meaning, some have gone out of use, some are local to Derbyshire, Leicestershire, South Yorkshire and to Nottinghamshire, and oLearn More
Effect of Cone Indenter Hardness on Specific Energy of Rock
Effect of Cone Indenter Hardness on Specific Energy of Rock ... Plinninger, R.J. 1998. Geological limits in Roadheader Excavation. Four Case Studies, 8th Int ...Learn More
Study on Roadheader Cutting Load at Different Properties of
From the simulation analysis, variation trend of the cutting head loads with the firmness coefficient can be seen clearly, but making the appropriate test is a reasonable choice of roadheader cutting head for different geological conditions of coal and roLearn More
Some geological and geotechnical factors affecting the
The excavation was performed in a horizontally straight alignment through sedimentary formations including dry (chainage 0–50 and 150–275 m) and wet sections (chainage 50–150). Excavation was performed by using a shielded roadheader, Herrenknecht-SM1 withLearn More
Publications - Pham Tien Vu - sites.google.com
Publications - Journals. 1. ... Considerations the effects of geotechnical condition for the performance and bit wear rate of roadheader in hard rock – some proposals.. ... Geological limits in roadheader excavation – Four case studies. [download here] ..Learn More
Examining the relation between rock mass cuttability index
Examining the relation between rock mass cuttability index and ... M. ErdoganSome geological and ... R.J. PlinningerGeological Limits in Roadheader Excavation ...Learn More
PREDICTING ROADHEADER ADVANCE RATES: GEOLOGICAL
Geological parameters Rock & rock mass Mechanical properties & Rock mass conditions Machine parameters Excavation rig Installed power Cutt header Rock bits Cutting performance Wear of rock cutting tools Excavation performance Figure 1: Main influencing paLearn More
Roadheader excavation performance
Roadheader excavation performance - geological and geotechnical influences ... roadheader excavation. Figure 3: Working cycle and main problems in roadheader excavation.Learn More
Performance Prediction of Mechnaical Excavators
Geological limits in roadheader excavation four case studies. In: ... Roadheader excavation ... Documents Similar To Performance Prediction of Mechnaical Excavators.Learn More
the performance of a roadheader in high strength rock
Geological limits in roadheader excavation - Four case studies. Cutting poor cutting performance high bit consumption, ... Cutting performance of the 300 kW roadheader ... pressive strength, the rock abrasivity or thin section. Get A Free Quote. RoadheadeLearn More
roadheader excavation performanceroadheader
Geological limits in roadheader excavation - Four case studies. 3546 Table 1 and Fig. 1 give an idea of the kind of main problems in the different processes of ...Learn More
SOME GEOLOGICAL AND GEOTECHNICAL FACTORS AFFECTING
Excavation, muck loading and support works are performed separately due to safety concerns in the wet and inclined sections which reduced the machine utilization time from 38% to 8%. The information gathered is believed to form a sound basis in contributiLearn More
300 kw roadheader - cyberdynesystems.in
Geological limits in roadheader excavation - Four case studies. the outer cutter head bits of the used 300 kW roadheader. 3547 3.1.3 Causes The uniaxial compressive strength of the fanglome -Learn More
hard and abrasive rock roadheader - Cutter Bits
Geological limits in roadheader excavation - Four case studies. and limits - in hard and abrasive rock as well as in ... quartzite-bearing rock mass. Of course, the roadheader suffered not …Learn More
Geological limits in roadheader excavation - Four case
Full-Text Paper (PDF): Geological limits in roadheader excavation - Four case studiesLearn More
Chapter 93. Construction - ilocis.org
Boilermakers . Bricklayers, concrete finishers and masons . Carpenters . Electricians . Elevator constructors . Glaziers . Hazardous materials (e.g., asbestos, lead, toxic dumps) removal workersLearn More
(PDF) Geological limits in roadheader excavation - Four
RESUMÉ: D´ordinaire lors d´études préliminaires aux grands projets de percement de tunnel, les pronostics sur la stabilité de l´excavation se trouvent au premier plein d´intérêt. Ce pendant ces dernières années les difficultés de prévoir correctement la rLearn More
EBH200 cantilever type roadheader,adapts to - KAMY China
Suitable for working in coal mine, water conservancy tunnel, engineering excavation, potash mine, sodium mine, bauxite and other geological conditions with hardness coefficient upto f8.5. Equipped with a scraper conveyor, it can achieve rapid excavation aLearn More