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Product Description:

①. Base: CAT 329D(HHP)
②. Max pile diameter (mm): 1800
③. Max pile depth (m): 60
④. Engine: CAT C7 ACERT 187KW
⑤. Maximum nominal torque (kNm): 200
⑥. Undercarriage with expandable (mm): 3000-4300

1. Adopts the complete OEM Caterpillar retractable-crawler dedicated chasis,Its telescopic scope between the two crawler ends extends from 3000mm(at transportation) to 4400mm(at work). Undercarriage with expandable and removable tracks by means of hydraulic cylinders, guarantee exception stabbility in any type of ground. It has considerable traction force which allows easy movement even in the most difficult job sites.
2.Takes international top CAT Diesel engine with electric injection, turbocharged and air inter-cooling system. It is high reliability, fuel economy and power reserves. Emissions meet standard EPAC-Ⅲ.
3.The winches are positioned in the lower part of the mast, in front of the cabin, so that the operator can constantly check the proper operation. Thanks to the fact that the cable moves parallely to the mast, flection is not created on the upper part of the mast and operating life of the cable is therefore much longer. Tail positioned winch is available for heavy-duty type.
4.New design parallelogram system, computer optimized design and simplified pin connection system featured with nice appearance, great driving force and good stability, especially shaped to fit crowd system, allowing working radius adjustment always maintaining the mast in vertical position. The parallelogram system is easily for convenient transform between transportation and working conditions.
5.Self-erecting mast, high level anti-shock technology and high-strenth material steel attribute to that max torque can be applied all over the mast length. Multipurpose design for cylinder crowed system. Sensor and control center realize real-time measurement of the inclination angle, auto adjustment of mast verticality and inching adjustment.
6.Crowd system by means of long stroke hydraulic cylinder or crowd winch separately, are option for your exact request.
7.Rotary head with variable displacement motors and one high spin off speed. And rotary is extremely reliable, it has been disgned in order to gurantee a very compact, efficient and powerful rotary. The transmission group of rotary is made up of a hydraulic motor and new power shift purposely studied and designed to obtain maximum perfomance. During the drilling phase, the rotary has the entire power of the diesel at its complete disposal. Adapter of rotary is essential to absorb the considerable shock connected to the high speed of the main winch.
8.Telescopic kelly bar with guide made by high quality specially for high boring strength and torque force. Available with friction or inter-locking type.
9. All the main hydraulic components(pumps, valve, motor, connector) are from well-known international brands such as Bosch-Rexroth, brevini, which ensure the stability, reliability, high-efficiency and energy-saving of the entire system
10.Electronic controlling system is an innovative system, developed by Osaint, which controls and monitors the operation of the machines. For ease of operation, the system is controlled by a touch screen located in the cab. The system function is to enable the machines to perform different functions more efficiently. A dedicated power module electronic control and CAN-Bus system ensures the main pumps and Disel engine to work at their most effective and productive stages.

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Q:Classification of rotary drilling machines?
Application of rotary drilling rig market positioning midrange:(1) the traffic facilities of various bridge freeway and railway bridge;(2) large structure and wharf bearing structure pile;(3) the city viaduct bridge;(4) other applicable piles. Midrange market coverage rate reached more than 90% of the workload.3. Mainframe: torque 240kN = m, engine power 300kW, drilling diameter 1 ~ 2.5m, drilling depth 80m. The quality of the rig is over 100t.Market positioning of mainframe applications:(1) all kinds of super large bridge of highway and railway bridge;(2) special structure of other large building, bearing foundation pile. Mainframe market workload, coverage of more than 10%.
Q:200 rig footage every day how many meters
Footage number and geological conditions, drilling performance, operator proficiency, construction site conditions have a relationship, and to say that footage of the day, and the length of pile pile diameter has a diameter of 1.2 meters, with 60 meters long, 2 meters under the casing 0.5 hours, casing well Party A, the Commissioner General to look at. General situation, the first 20 meters of drilling, probably within 1 hours, 20-40 meters, less than 1.5 hours, 40-60 meters, less than 2 hours. Hope to be of help to you.
Q:What are the advantages and disadvantages of the construction of the bored pile with auger and rotary drilling? Another auger can drill 1800 diameter piles?
Screw drill to see torque, I use 10T-m. You might be talking about a small spiral drill. In the early 90s, I personally did 3.5 meters of pile, the use is: the first with a diameter of 2.8 meters of drill, and then use the diameter of 3.5 meters drill hole reaming, so completed the diameter of 3.5 meters of pile foundation.As for the rotary drilling machine, we can not rule out the possibility of digging deep, but the cost of equipment and on-site operations are cost-effective. Only the builder knows it; and when it comes to rock formations, rig it.
Q:What kind of stratum is suitable for rotary digging pile?
Construction, according to different soil and geological conditions, according to the following provisions choose different drill bits:
Q:The overall structure and working principle of rotary excavation?
The auger drills, such as short auger bit, ordinary drill bit, sand drill bit, core and so on, can be drilled into different layers of clay, gravel, pebble and medium weathered mudstone.
Q:What is a rotary cast in place pile?
For the good cohesive rock soil layer, dry or clear water drilling technology can be adopted, without mud wall protection. For loose and easy to collapse formations, or groundwater distribution, unstable wall, it is necessary to use static mud wall drilling technology, and put in protective wall slurry or stabilizing liquid into the hole.
Q:On the cleaning of rotary drilling rig
Rotary drilling, which meet the design requirements when the rotary drill is a few laps and idling; after several hours of the cage and the catheter after the hole and some sediment, have to clean the hole, now called the two hole cleaning. However, with the development of science and technology, the popularization and application of new technologies and materials. With the new wall protecting liquid, not only the wall is well protected, but also the hole and the sediment behind the cage seldom meet the requirements, the two cleaning procedures can be omitted, and the pile forming speed is greatly improved. For example, we use the Montreal chemical mud in construction after the Zhengzhou Xinzheng Airport, nearly 70 meters of sediment pile placed for 2 days no more than 20 cm. It brings great convenience to the construction.
Q:Rotary drilling rig on the floor under the floor with steps
The probability of rollover is relatively high, and the auger must be parallel with the vehicle, and the width of the two sides of the track should be kept the same width.
Q:What brand is good for rotary drilling machine?
First of all, depends on what project you do, that is, the so-called geological conditions. If it's pure soil. What rig?. It doesn't make much difference from the larger rig. Also depends on your engineering unit price?. There are no strata that cannot be struck. Only a hard price.
Q:Why should auger drilling be done by means of jump excavation?
It is too tight, easy to punch through two holes, and after the hole into the cage, and filling, next to hit, you can not fill.. Hope to adopt

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