KR80 Rotary Drilling Rig,LOW PRICE,GOOD QUALITY

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Product Description:

Performance

●The leading overall transport full hydraulic rotary drilling rig, can change transport state into working state rapidly;

●High-performance hydraulic system and control system in cooperation with Tianjin University CNC Hydraulic Institute of Technology, which can realize the machine efficient construction and real-time monitor;

●High security, designed in strict accordance with European Union safety standards EN791. Meet the requirements of dynamic and static stability.


■Unique structure of folding mast can ensure the overall transportation and reduce the transport size;

■Advanced design of rotary angle displacement output mechanism and central rotary joint output angular displacement can get higher reliability;

■Innovative drilling bucket depth measurement system can show higher accuracy than the average rig;

■The function of main winch bottoming protection and priority controlling can make the operation easier;

■The reversible use of the driving head’s chain can extend the service life;

■Multi-stage damping technology of the driving head can ensure the whole construction more stable;

■The technology of mast automatic verticality can make the vertical accuracy of the hole higher;

■The innovative design of luminous hot wheel can ensure construction in night more safety

■The humanized design of chassis back can increase storage space efficiently.

New design of two-stage operating interface can make it more convenient to operate.


Technical specification
Torque80 kN.m
Max. diameter1000 mm
Max. drilling depth28 m(4 node)/22 m(3 node)
Speed of rotation8~30 rpm
Max. crowd pressure90 kN
Max. crowd pull120 kN
Main winch line pull80 kN
Main winch line speed80 m/min
Auxiliary winch line pull35 kN
Auxiliary winch line speed40 m/min
Stroke(crowd system)2000 mm
Mast inclination(lateral)±3°
Mast inclination(forward)
Max. operating pressure34.3 MPa
Pilot pressure3.9 MPa
Travel speed2.8 km/h
Traction force98 kN
Operating height12580 mm
Operating width2600 mm
Transport height3250 mm
Transport width2600 mm
Transport length9150 mm
Overall weight24 t

 

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Q:A piece of machinery valued at $20,000 depreciates at a rate of 9% yearly. how long?
Depreciation is straight line so it is $20,000 * .09 = $1800 / yr (20,000 - 10,000) / 1800 = 5.6 years
Q:What piece of machinery should be used to unload a trailer whose freight is on slip-sheets?
A slip sheet machine. Its a forklift with a slip sheet machine in place of the forks. If you dont have one plan on unloading it by hand.
Q:The use of steam-powered machinery meant that workers no longer required?
Not sure exactly what this question is after.. but I think c. Before steam engines, mills had to be located near fast moving streams and rivers so water power could be used. Steam allows the plants to be located anywhere, as coal could be transported in.
Q:If someone who paints is an artist and someone who works with machinery...?
No. That is insulting.
Q:Mechanical keyboard, those better?
Mechanical keyboard if you really want to get one or want to play if you don't see the sign that I do not look at the brand is the meaning of things with other types of electronic products is the same as the brand is good thing some models is very good but not that brand things are all the good stuff so it is about your requirements better and more detailed the better claim to shape what use feel
Q:What kind of things can i do with a major in history, machinery..?
Let me address Machining, since I got a Machining Diploma for personal interest's sake. Basically, a machinist makes things out of metal by removing metal from a larger block of metal. He does this by using machines such as lathe, milling machine or grinder. Machining is usually a four year apprenticeship, which combines college courses with on-the-job training. A journeyman Machinist makes a good honest living of perhaps $40K~$60K, but this can vary widely depending on the local job market. An apprentice might start out at $10/hr.
Q:What album do you think would be very dangerous to listen to while operating heavy machinery?
The Trinity Session by Cowboy Junkies. A beautiful album, but I don't think I've ever listened to the entire album in one sitting. Margo Timmins voice is so mellow, beautiful and soulful, I doze off three songs into it! This album should definitely have come with a warming label; DO NOT LISTEN TO WHILE DRIVING OR OPERATING HEAVY MACHINERY! BQ: Every day, even if it is only a piece of fruit. Didn't your Mommy teach you that breakky is the most important meal of the day? BQ2: Hasn't Hit Me Yet by Blue Rodeo...the phone rang.
Q:What is an embedded device, and what sorts of office machinery have them?
What is an embedded device, and what sorts of office machinery have them?
Q:What subjects are specialized in mechanical manufacturing in secondary schools?
We already have: Metalworking Training, mechanical design, basic curriculum design, training, fitter training, CNC machining training, "machinery manufacturing foundation", "now control technology"
Q:Can anyone identify this mining machinery?
Yep, it looks like a winch to me too. I see a second drum, so perhaps it was a winch that could pull a cable in two directions, with the cable looped around a pulley at some distant point and being wound onto one of the drums as it is unwound from the other. (hard to see the gearing, etc., from that image). As for age, that electric motor looks like it's about 100 years old! (just a wild guess, of course)

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