HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self drilling anchor tools,coal mining tools and other drill tool accessories.
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Pneumatic leg rock drill,also known as pneumatic jackhammer,is a multifunctional tool widely used in various industries such as mining,construction and quarrying.It is mainly used for drilling holes in rock,concrete and other hard materials.The following is mainly the structure of the pneumatic leg ...
In top hammer drilling, dome reaming bits and pilot reaming bits serve specific functions in the drilling process. Here are the key differences in their functions and applications: pilot Reaming Bit: Function: The pilot reaming bit in top hammer drilling is primarily designed to create the initial ...
Coal drill is divided into dry type and wet type two,specifications: 28mm/30mm/32mm/42mm/43mm, etc. : drilling speed, drilling range is wide, saving time, labor, simple connection, durable and other advantages.The wind drill, also known as the drill head, has a font, column teeth, cross, horseshoe ...
Reasons for the low iron output of the blast furnace: The reason for the low iron output of the blast furnace may be slow iron tapping, unreasonable taphole depth and taphole tunnel. There are three reasons for the slow tapping of iron: (1) The particle size composition of blast furnace fuel (coke) ...
The primary task of tunnel construction is to ensure stable and safe operation in the later stages, which relies heavily on handling various issues during construction. Tunnel roof collapse is a serious problem, mainly caused by factors such as excessively high groundwater content and loose, ...
The T38 spline shank adapter is a critical component of heavy-duty rock drilling rigs, used to transmit high torque and impact energy between the rock drilling piston and the drill rod. As a professional manufacturer of rock drilling tools, Yanggu Henglong Machinery Equipment Co., Ltd. has optimized ...