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    • Last updated Jun 12
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Normal Maintenance For The Use Of The Solder Shank Adapter

Posted By drilling kaiqiu     Jun 12    

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  1. Choice
    1. Selection of mine Shank Adapter
    According to the nature of the rock, choose the appropriate cemented carbide mine tailings. Generally speaking, the rock with high hardness selects the solder tail supplied by the alloy with a relatively low hardness, and vice versa. For extremely hard rock, if the power of the rock drill is large, a three-edged or cross brazing tail can be used. At this time, in order to facilitate unloading, the taper hole of the brazing tail can be 11° or 12°. For medium-hardness and better-integrity rocks, in order to improve work efficiency and reduce costs, ball-tooth brazing tails can be used.
    2. Choice of drill rod
    The drill rod should ensure that there is only enough matching surface with the drill tail. Under normal circumstances, the depth of the drill rod inserted into the drill tail should be ≥ 25mm, the larger the contact surface, the better, and the minimum should not be less than 60%. Therefore, try to choose the taper rod to be machined by mechanical cutting. The drill rod used in conjunction with the drill tail should be straight to the naked eye, and the impact end surface of the drill tail should be flat.
    Regardless of whether it is a drill tail or a drill rod, the water hole should be kept smooth.
    Second, use
    When the drill tail and the drill rod are used, first check whether the drill tail of the drill rod is flat, whether the taper tip and the taper hole meet the requirements, whether the cutting edge of the drill tip is damaged, whether the water hole is smooth, and whether the wind pressure and water pressure are sufficient Wait, it is strictly forbidden to collide the alloy between the solder tails. At the beginning of eye drilling, it should be noted that the light wind must be lightly tapped, that is, the wind pressure should be drilled first, and the wind pressure can be gradually adjusted to normal after the drilling is stable. When removing the braze, try to return to the back braze as much as possible, and avoid forcibly knocking and dragging as much as possible, so as not to damage the tail or the rod, resulting in early scrap.

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