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2024-03-22

Drilling tool manufacturers take you to understand the types of drill bits

Drilling tool manufacturers take you to understand the types of drill bits
Reamer. The reamer has 3 to 4 cutter teeth, and its rigidity is better than that of the twist drill. It is used to expand the existing hole and improve the machining accuracy and finish.

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2024-03-22

Analysis of Shield Cutters by Drilling Tool Manufacturers

Analysis of Shield Cutters by Drilling Tool Manufacturers
According to the analysis of Liaocheng Sanli Machinery Company, a drilling tool manufacturer, for shield machines, the cutting system is the cutting cutter head and its driving system. The excavation system has a decisive influence on the construction effect of the shield machine, and the difference of choice also has a great influence on the cost of the shield machine,

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2024-03-22

Drill tool manufacturers analyze the use of drill pipes and joints

Drill tool manufacturers analyze the use of drill pipes and joints
When the drill string reaches the critical speed, the drill pipe will vibrate. This vibration will often cause the drill pipe to bend, excessive wear, rapid damage and fatigue failure. In particular, the drill pipe has two types of vibration (node vibration and spring pendulum vibration) when the most unfavorable. The critical speed varies with the length of the drilling tool, the size of the drilling tool, the size of the drill collar and the size of the borehole.

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图片ALT信息： Qianjiang Jianghan Drilling Tools Co., Ltd.
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