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The advantages and scope of application of integral brazing
2021-09-15
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The integral drill is a drill made by integrating the drill bit, the drill rod and the drill tail. Its scope of use is the scope of application of conical drills, and extends to the scope of secondary crushing of rocks by pneumatic picks. When the head alloy sheet is normally scrapped, the head can be cut and used for conical brazing. Generally, the whole drill is used for underground mining and small hole drilling, and is used with low-power rock drills such as air-leg or hand-held. It can effectively reduce the loss of impact energy and improve the speed and efficiency of drilling. When the rock is soft and easy to drill, the use of integral drill can greatly improve the drilling speed. Integral drills are generally suitable for drilling holes from 24mm to 44mm in diameter.
The size of the overall brazing is different. There are three main types: 19mm in-line drill bit as a whole, quarrying in whole, and 22mm in-line drill as a whole. The types of drill bits have a font and a cross. The advantage of this product is that it has good transmission performance and can improve the speed and efficiency of drilling. The length of the drill rod is from 0.5m-9m. The diameter of the drill hole is from 23mm to 43mm. The integral drill is a kind of drill rod used in conjunction with the pneumatic rock drill. It is mainly used in quarrying, shallow hole rock drilling and other fields.
The drilling speed of the MITOYO whole drill is fast, and the effective utilization rate of the impact energy is 18%~25% higher than that of the live drill bit; it is easy to withdraw the drill, does not need to load and unload the drill bit, and avoids the broken pants, cracked pants, and drill rod cone of the drill bit. Broken parts, etc. The worn integral drill rod can also be ground into a conical drill rod for use. (It is recommended to drill small-diameter rock holes when the bit loss rate is serious, or light-duty rock drills with a diameter of less than 42mm).
Depending on the application, its length is usually 600mm to 9600mm, etc.
(1)Material: 95CrMo
(2) Tail handle size: B22mm, B25mm (same for quarry drill)
(3) Head diameter: 24mm-44mm
(4) Length: 0.4m-10m
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