Welcome to the HOME page of Construction Equipment Company's Web Site! Construction Equipment Company is a Michigan Company and the owner of all the tunneling equipment that our parent company ( Michigan Sewer Construction Company ) used for it's tunneling projects.
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WITS SPECIAL EDITION - VOLUME I . A review of rock cutting for underground mining: past, present, and future . D. Vogt. Centre for Mechanised Mining Systems, University of the Witwatersrand Johannesburg, South Africa
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.
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The B-500 Transportable Pipe Beveller produces high quality bevels in 45 seconds* without flames or sparks. The compact design quickly mounts to pipe 4" and up with a maximum wall thickness of 1/2", and creates consistent bevels in a single pass.
U.S. WW2 Militaria We offer here an exceptionally complete collection put together over many years by a serious collector. It includes an unusually large group of nice USMC camouflage items.
british standard hand reamer 1.6 mm diameter (ref: hr16) flute length- 21mm overall length 44 mm parallel shank with square 7' - 10' left …
Featured Projects | Mexico City, Mexico Túnel Emisor Poniente (TEP) II. A Robbins Crossover (XRE) TBM was chosen to bore a 5.8 km (3.6 mi) tunnel as part of Mexico City's wastewater management efforts, making it the first Crossover machine …
The cutter head (1) removes with its tools – cutters, knives, chisels or discs – the surrounding soil. This is taken to the crusher chamber (2).
A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.
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The JMR TBM-250U manual tube and pipe bender is a precision machined unit that offers heavy wall capacity. Built for the fabricator looking for a top quality bender to suit most structural applications.
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Terminology. A tunnel is relatively long and narrow; the length is often much greater than twice the diameter, although similar shorter excavations can be constructed, such as cross passages between tunnels.
Specification and Guidelines for the use of specialist products for Mechanised Tunnelling (TBM) FOREWORD EFNARC is the European federation dedicated to specialist construction chemicals and concrete systems.