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St 50 Meters Small Water Well And Engineering Drilling Rig For Personal Use

    Buy cheap St 50 Meters Small Water Well And Engineering Drilling Rig For Personal Use from wholesalers
     
    Buy cheap St 50 Meters Small Water Well And Engineering Drilling Rig For Personal Use from wholesalers
    • Buy cheap St 50 Meters Small Water Well And Engineering Drilling Rig For Personal Use from wholesalers
    • Buy cheap St 50 Meters Small Water Well And Engineering Drilling Rig For Personal Use from wholesalers

    St 50 Meters Small Water Well And Engineering Drilling Rig For Personal Use

    Ask Lasest Price
    Brand Name : ShiTan
    Model Number : ST 50
    Certification : ISO9001
    Price : Negotiation
    Payment Terms : T/T, Western Union
    Supply Ability : 2000 sets/year
    Delivery Time : Within 7-12 days
    • Product Details
    • Company Profile

    St 50 Meters Small Water Well And Engineering Drilling Rig For Personal Use

    ST 50 Engineering Drilling Rig


    Product Introduction


    ST 50 engineering drilling rig, it has the advantages of light weight, simple structure, fast drilling speed and large diameter of coring samples. It is a light weight drilling rig, widely used in general geological exploration of railway, road, bridge, dam and tall building base, geological core drilling, small grouting holes, blasting holes, civil wells, and earth central air conditioning wells, etc.


    Technical Data


    TypeST50 drilling rig
    Drilling depth (m)The max. 50 meter
    Hole size diameter73-108mm
    Drill pipe diameter42mm
    Vertical spindle speed70-650
    Reverse rotation speed50-130
    Power5.7KW
    Outsize1180×680×1600mm

    Weight

    (including Gasoline engine )

    208kg

    Product Feature


    It is a portable hydraulic drill in China at present. It is especially suitable for coring operations in special difficult terrain such as mountains, hills and rivers, and for engineering geological survey of buildings such as railways, hydropower, transportation, bridges and dam foundations; Geological core drilling and physical survey; Drilling of small grouting holes and blasting holes; Small well drilling.


    Main Application


    This is a small portable geological exploration drilling rig developed by our factory.
    1. The drilling rig is suitable for water well drilling, general survey exploration, geophysical exploration, road and building exploration, blasting hole drilling and other drilling projects.
    2. Alloy, diamond and composite bits can be selected for drilling according to different bottom layers.
    3. It can drill grade 2-9 sandy clay and rock stratum.

    The main causes of drill pipe fracture


    1, The bending moment of drill pipe is too large during reaming and pipeline pullback;

    2, The causes of excessive bending moment are as follows: first, the actual curve of the guide hole deviates greatly from the theoretical curve; Second, the hole after reaming is irregular, which makes the pipe form an angle with the reamer and the drill pipe axis.

    Other reasons:

    1, In order to save investment, the directional drilling equipment used by the construction contractor (i.e. Party A) does not match the actual needs of the project construction. The tonnage of the directional drilling equipment is too small, the maintenance is not timely, and the failure rate is high, which makes the directional drilling force uneven. At the same time, the stop and go construction makes the hole forming quality poor, the hole irregular, the drilling tool is easy to lock, resulting in the fracture of the drill pipe;

    2, The selection of reamer model is unreasonable. Failure to select the matching rule model according to the actual geological conditions, resulting in increased drilling torque, increased drill pipe wear and fracture;

    3, When the rock reamer reams or cleans the hole, the drill pipe is not connected at the back, and the reamer swings greatly in the hole, which may cause the drill pipe and the main shaft of the reamer to break;








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