Product name:Concrete hole saw;Size:30-100mm;Color:Silvery;Application:Drilling holes;Certification:ISO9001;Length:70mm;customized support:OEM;customized support:ODM;drill type:Core Drill Bit;use:Metal Drilling;finish:Plain;place of origin:CN;GUA;brand n
* Training how to instal the machine, training how to use the machine. * Engineers available to service machinery overseas.FAQQ: Are you a factory or a trading company? A: We are an integrated corporation specialized in manufacturing and exporting.Q: What is your...
1.Higher drill speed, stronger output power. 2.Coriaceous drill body and new design flute which will advance work efficiency and prolong use life. 3.used in concrete, armored concrete, tile and granite, and suit mounted height type electrical dri...
Aluminum-Core Spring Float Collar and Shoe Use Well Drilling Working Pressure 21MPa-35MPa Application Oil and Water Well Cementing Tools Float Shoe Length 416mm-515mm Float Collar Length 320mm-350mm Transport Package Wooden Box Package Specification 4-1/2" to ...
The jet grout is advanced to the treatment depth, where grout jets (cement grout with optional water and air) are sprayed with high velocity from nozzles under high pressure in the side of the drill chamber. Depending on the application and types of soils, jet grouting can use the single ...
水泥类(Cement).doc,水泥类(Cement) 1, the main factors affecting the compressive strength of concrete: effects of a, cement water ratio, the strength of cement and aggregate type, under the influence of that type is mainly affected by the strength of
A drilling fluid or “mud” is pumped down the drill string, through the bit, and into the well bore. This fluid serves to lubricate the bit. The drilling mud also carries cuttings from the drilling process back to the surface as it travels up the well bore. As drilling progresses ...
Corret and fix:use one guiding ruler to check and level correction. Plant bar in structure beam:drill one hole in structure beam and plant one reversed 7 type shaped steel bar to fix with wall panel. Plant bar in floor:dirll one hole in floor ...
How do the different types of clay affect the rheological properties of the grout? Does fluidity have a direct bearing on the deep injection energy of the composite? 2. Can local and waste raw materials, especially those produced by open-pit mining technology, be used to produce sealing clay...
rts, cement failure occurs in 54% wells in this field and five shale gas wells are chosen as cases to illustrate the use of the method proposed in this paper. The parameters of these five wells are shown in Table 3. Table 3 Initial and optimized parameters of casing and cement sheath ...