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Spherical hobs are very mature and are widely used in many equipment, such as rotary drilling rigs, RCD, pipe jacking machines, etc. By analyzing the use of ball-tooth hobs on the above equipment, it can be known that when there is sufficient propulsion pressure and the rock layer strength is about 130MPa, the footage speed of the spherical tooth hob can be maintained at 0.3~0.5m/ h. And the footage speed is relatively stable. When the spoil discharge is sufficient, the service life of one spherical tooth hob can reach a construction length of 300m.
Vibroflot Compaction is a deep compaction technique for densifying granular soils with less than 10 –15% silt present. This method is popular for improving reclaimed land. Under the influence of simultaneous vibration and
saturation, loose sand and or gravel particles are repacked into a denser state and lateral confining pressure within the soil mass is increased.The Vibroflot is normally suspended from a standard crawler crane or a piling rig.
The single roler bit is composed of a single cone and a lug matched by a bearing.According to different strata and construction requirements, different cutting struclures can be selected; wear resistant carbide are welded and cemented carbide inserts are inserted on the back of the lug.
De roterende boorinstallatie drijft de schacht aan om te roteren en positieve druk uit te oefenen zodat het roterende boorbeetje de rots kan raken, rollen en scheren. Verpletter de rots om een verpletterende ringzone te vormen. Breek dan de middelste pijler door de schommeling van de schacht en haal de gebroken pijler eruit om een gat te vormen.
Hydraulic Vibro Hammer is a construction tool using hydraulic power to generate high-frequency vibrations, vibrating piles (like sheet piles, pipes, H-beams) into the ground by temporarily liquefying soil, making installation faster and quieter than impact hammers, and is used for foundation work, retaining walls, and marine projects.
It is made of high quality steel GB-Q345B with special soil teeth which can avoid inclined hole. This tool is applicable to different layers such as clay, high-weathered layer, gravel, etc. It is a reliable and efficient drill tool for drilling deep hole and wide range of applications.
De boorbak is een hoogwaardig aanbouwdeel voor zwaar gebruik, ontworpen voor efficiënt graven en boren in verschillende bodemomstandigheden, zoals klei, zand en verdichte aarde. Deze bak is ontworpen met het oog op duurzaamheid en precisie en is ideaal voor gebruik met graafmachines, grondboren en andere boormachines in de bouw, mijnbouw en funderingswerkzaamheden.
