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①. Base: CAT 336DL(HHP)
②. Max pile diameter (mm): 2200
③. Max pile depth (m): 72
④. Engine: CAT C9 ACERT 261KW
⑤. Maximum nominal torque (kNm): 265
⑥. Undercarriage with expandable (mm): 3000-4300
……More info  

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?
The general control of the rotary drilling machine adopts hydraulic pilot control and load sensing. It has the advantages of easy operation and comfortable operation.
Q:What brand of rotary drilling rig quality is better? How much? How long is it back?
At present, the domestic rotary drilling rig manufacturers are also many, good and bad, good and bad. Large enterprises such as 31, CSR, China United, Xugong, mountains and rivers, Jintai and so on, there are many small enterprises, not one by one examples. We recommend rotary drilling rig for 31 and csr.
Q:Rotary drilling rig is not a special equipment?
It is not a special equipment, it belongs to a pile machine
Q:How often does the rotary drilling rig do maintenance?
In drilling rig construction, it is necessary to do the routine maintenance work for the drilling rig at any time:1, each work before the drill rod feeder (wire rope connector), add butter;Note: make sure that the grease nozzle at the other end is unscrewed when greasing the end of the boot. This will help to squeeze the butter out. On the contrary, the oil seal in the lifting device may be squeezed out, and the dirty water containing fine sand can be easily entered, and the bearings can be worn down and the sensitivity of the lifting device can be lowered.Note: the new lifting device has been improved. Please contact the SANY customer service department for maintenance.2, each job before the drill rod to follow the guide frame (drill pipe support), bearing, add butter;3 、 always check whether the wire rope is in good condition;4 、 check the damage of tubing and sealing ring regularly, prepare spare parts to meet the urgent need;5, always pay attention to whether the circuit relay aging, early preparation of spare parts;6, check the drill rod lift (wire rope connector) bearing rotation is flexible, if damaged, should be replaced immediately;7. Check the bolts and pins regularly for wear and tear. If damaged, replace them immediately.
Q:Why is the rotary drilling rig put into the steel cage before pouring?
Because the concrete filled steel cage and buried depth of pipe is larger, the upper concrete pouring for a long time, has been the initial setting, formed on the surface of shell, concrete and steel reinforcement cage has a grip, if not timely catheter at the bottom of reinforced concrete in the bottom mentioned above, the catheter outflow will to a certain speed on the top, also driven up steel cage.
Q:What is a rotary drill for?
The unique power system, flexible moving mode, easy to learn operation, unique way of unloading sediment, and the diversity of functions are unique.
Q:What is a rotary cast in place pile?
Engineering terminology, generally refers to the construction of rotary drilling machine pile type, the full name of rotary drilling pile, engineering referred to as rotary pile. Due to the use of mechanical work, the number of workers is not high, it can save a lot of labor costs.
Q:Is there a need for slurry retaining wall for rotary drilling cast-in-place pile?
Wet rotary drilling must first transfer mud to drill holes, and the hole and impact drilling almost all need mud. The drill only has the rotary digging tooth, without the rotary digging bucket, the disturbance soil stirs in the hole, pulls out the drill, the drill does not need to carry up the soil every time. It's not dry soil, it's mud. There should be a sedimentation tank in the field, and dig out the gravel and thick mud with the excavator.
Q:What kind of geology is a rotary drill suitable for?
Rotary drilling can be used in all geological conditions, but only in accordance with specific geological conditions, to take appropriate construction methods drilling tools
Q:How much is a drill bit?
The price depends on what kind of drill bits are used, such as spiral drill, bucket drill, open and close drill, rock core drill, etc.

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