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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
……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:Rotary drilling rig new steel rope appeared a strand of steel wire, what is the reason for the stock?
There is no wire rope live picture, it is difficult to analyze what causes it. It is possible that the multi strand resistant rotating steel wire rope has been separated from the inside and outside ply ropes, and it may also be the separation of the inner and outer ply ropes caused by the bending deformation. Cheap no good goods, good goods are not cheap, perhaps encountered inferior steel rope, and small steel rope factory may be an engineer also did not rely on cheap hit the market, the quality of worrying.
Q:How can we not drill the rod and drill the rod?
Resolvent:1. Remove the drill pipe and remove the foreign objects.2, repair wear and deformation parts.3, open the drill rod, plastic alignment.4, adjust the operation method.
Q:Which is faster, the reverse circulation rig or the rotary drill?
The speed of rotary drilling is faster than that of positive and reverse drilling under any conditions. And much faster.
Q:31 What about the performance of the auger rig?
The appearance and configuration with the domestic and foreign similar equipment, the overall performance of the domestic first-line manufacturers of equipment are similar, slightly higher than the overall performance of foreign equipment.
Q:On the cleaning of rotary drilling rig
Rotary drill a hole cleaning with a bucket of fish for repeated loose ballast, ballast thickness specification loose until now.The two hole cleaning after the installation of steel reinforcement cage and the catheter, adjust the proportion of mud, with small proportion of mud into the hole, and a large proportion of sediment mud replacement hole, the mud and sediment thickness meet the standard requirements, agreed to by the supervision engineer after pouring underwater concrete. In order to ensure the quality of concrete pouring, the thickness of ballast meets the specifications and design requirements, and the proportion of slurry is less than 1.05
Q:The advantages and disadvantages of the rotary drilling rig and impact drilling machine used in the construction of bridge bored pile foundation
According to the different geological and different methods of land weak cyclotron drilling sand layer rapidly, large pile diameter long friction pile most belong to this kind of formation so almost all of the cyclotron drill.
Q:Current situation of rotary drilling rig in China
Rotary drilling rig industry, due to the 2003 Qinghai Tibet railway project and the Beijing Olympic project led by the market awareness increased rapidly, the market capacity expanded rapidly. The upsurge of market demand has attracted the entry of large construction machinery enterprises in China. 31, XCMG, ZOOMLION and sunward have been involved in it, and have rapidly expanded their market share. Since 2005, the domestic brand rotary drilling rig has basically replaced foreign brands. Since 2006, the sales of rotary drilling have been increasing by leaps and bounds in recent years. Especially in 2009, the domestic rotary drilling rig manufacturing enterprises as many as 30, the introduction of nearly 200 models of products, the market retains nearly 4000 units, the market competition is unprecedented fierce.
Q:220 rotary drilling rig can adapt to what kind of soil?
Rotary drilling rig is a kind of construction machine suitable for drilling operation in building foundation engineering.
Q:How many times a day will the drilling machine be used?
Look at the actual situation, usually of rotary drilling rig, such as diameter 120cm length of 30 meters, the geological conditions in general, 1.5 to 2 hours to complete. You can calculate the amount of work done every day.
Q:Construction scheme of rotary pile driver
Process selectionIn the construction of the project, the drilling method of rotary drilling rig and dry hole formation are adopted. Combined with the geological condition of bored pile in this project, many factors, such as large quantity and tight time limit, the backfill bit adopts rotary bucket drill, and the rotary digging sand drill bit is used in the cleaning hole. When rock is embedded, the bucket is drilled by rotary cutting, and the partially drilled sandstone is drilled by rotary auger bit. For some of the more abundant underground water piles, the slurry wall should be used as support, and the larger pile will be supported by steel support.

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