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Other shield machines

Other shield machines

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Theslurry shield machine supports the working surface through mud pressure,digging the soil by cutter, transported by mud pump. The separated mud ispumped back to working surface, pressed into the cutter through cyclicrotation, so the tunnel surface forms during one time. It could control the stabilityof working surface easily, adapting well to different geological conditions, sothat its widely used in tunnel construction of high land groundwaterpressure,  river bottom and submarine.


Theslurry shield machine supports the working surface through mud pressure,digging the soil by cutter, transported by mud pump. The separated mud ispumped back to working surface, pressed into the cutter through cyclicrotation, so the tunnel surface forms during one time. It could control the stabilityof working surface easily, adapting well to different geological conditions, sothat its widely used in tunnel construction of high land groundwaterpressure,  river bottom and submarine.


Pipejacking machine is widely used in digging and laying various channels such asurban underground drainage pipes, gas pipelines, communication cables.

mts1000:It is applicable forshort distance pipeline construction with middle and small diameters(rig construction systems and masonry construction systems.)

mts2000:It is applicable forcomplicated geological tunnel construction with large diameter, long distanceand small turning radius(Rig construction systems,construction of earth pressure systems, mud construction systems, hard rockconstruction systems, hybrid construction systems)

This technology does not need to dig the surface. Jack the pipeinto the earth through working well, which could also cross as a curve in orderto avoid some underground pipeline or obstacles.


Open TBM is mainly used in good rock conditions,without large fracture zone, faults and groundwater. It could play theadvantage while working with complete and steady surrounding rocks. Especiallywhile digging among the hard rock and mid-hard rocks, the great supporting systemoffers enough force to push the cutter, which helps the open TBM to observe theopened rock surface directly, so as to describe the geological condition ofopened tunnel conveniently.


Double(Single) shield TBM is applicable for geologicalcondition of mountain with various rocks. The rock field is with a certain ofstability, so that it does not need to balance the working surface. It is withthe characteristics of high digging speed and well-formed tunnel.  As for some good geological conditions, we don’tneed to assemble segments. We could use rocks as supports. Compared with thetraditional tunnel digging technology, the double( single ) shield TBM includesthe advantages of forming tunnel surface during one time, supporting andbuilding in the same time, constructing with safety and reliability, goodworking environment, less extra-digging amount, digging faster and costingless.



Q:Have you heard? Scientists discover machinery, inside cells, duplicating DNA, amino acids.?.Also, CBN News, has two videos on it. Just reporting the facts of the machinery in cell DNA duplicator. I seen a conveyor, a clamp, a digital decoder at cell gate. Well, see for yourself, you may see more than me.1 week ago - 1 day left to answer. Additional DetailsWHO, arrange and put these things in Place?
Bravo! Now while they are interested let us all learn more about Him. I found this to be very useful.
Q:How to make the process flow of welding operation of construction machinery
The process of engineering machinery welding operations generally include the following: 1, material: welding materials; 2, breach: according to the requirements of the drawings breach; 3, cleaning, polishing: degreasing oxide, general joint 15cm to clean up; 4, according to the drawing requirements: spot welding welding assembly;
Q:I'll concede that Micro Machines have been proven. We've all seen the commercial with that fast-talking guy, but nobody has ever been able to talk slowly enough to prove Macro Machines to me.
I'm a machine, you're a machine Everybody that you know You know, they are machines. To keep your engine running you need energy For your high-powered, revved-up body machine. Your high-powered, revved-up body machine. ; )
Q:What does a machinery mean?
A machine is a devise that uses energy to perform some activity. A factory that makes these, could be called a machinery, or just a collective name for a lot of machines!
Q:Calf work outs BESIDES running that do NOT require machinery??
In ballet it's called a releve, but in normal terms, just lifting yourself while standing from a flat footed position, to the tip of your toes, works out your calves. To get an even better calf workout, stand up on the ledge of a fireplace, or on a sturdy coffee table, and let the back of your feet dangle off the edge, so that your feet are at an angle, then tense your muscles to raise yourself up to the tips of your toes, then slowly go back down. Keeps your legs straight, as this intensifies the workout. This lady in the link below talks for awhile. Just skip halfway in to see what I'm talking about (if it doesn't make much sense).
Q:Why is hydraulic machinery so effective???
The simple reason is that Hydraulics utilizes fluid as opposed to Pneumatics (air) although both are referred to as fluid power , the liquid normally oil used in hydraulics is simply uncompressible. SO THE FLUID is essentially stronger than STEEL when a pump pushes the oil to a device like a cylinder, imagine the fluid being a solid BAR of STEEL say 6 inches in diameter, it is literally like pushing a bar of steel. Heavy equipment say could normally operate at say 2500 PSI out of the pump, since the pump pressure is essetially regulated, it is simply a matter of selecting the desired force and sizing say the cylinder (for instance) appropriatey. Since: Force = Pressure (pump pressure) times Area (of the cylinder) The forces are absolutely staggering with a quarter of a million pounds force off a 10 cylinder at 2500 psi pump output. the chart below may not have been converted properly, but if you work the equations, you will see that the incompressibility of the fluid is the secret to limitless amounts of power. Usually safety is the only limiting concern with hydraulics as it is easy to die working close to anything with such reserve and speed. Cylinder bore Force at 2500 psi 2 7,850 lbs 3 17,663 lbs 4 31,400 lbs 5 49,063 lbs 670,650 lbs 7 96,163 lbs 8 125,600 lbs 9 158,963 lbs 10 258,750lbs Pneumatics are faster usually, BUT NEVER as powerful due to the compressible nature of air.
Q:Should I operate heavy machinery?
I love the name too. You should operate with heavy machinery. I do on my patients. Sydney's one of my patients.
Q:Does anybody have a product to make tires puncture free, specially ag machinery tires?
try okorder or just call your local equipment dealer You local John Deere dealer will always be able to help
Q:Is factory machinery repairs and maintenance a period or product cost?
Repairs are when something breaks and are never period. Period maintenance is to keep repairs from happening.
Q:I am asking as a potential manufacturer who is looking to set up a factory in China and use this machinery to produce goods. If you know, could you also please post some links so I can further my knowledge. Thanks!
I understand your question. The best source of information would be the Chinese Embassy in Washington, DC. I do know of at least one U. S. exporter (cotton and textile fibers) that was asked if he could supply a reconditioned cotton gin. As far as I know there were no U. S. restrictions but it never got off the ground because the Chinese buyers either couldn't or wouldn't pay the asking price.

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