Instructions for using shanks
Release time:
2022-12-22
Special inspection should be carried out on the shank tail before each shift (or regularly) to see if there is any phenomenon of top explosion or heaping, whether there are cracks, and whether the thread wear is serious. In the above situations, it should be replaced in time;
In order to use the drill tail correctly and ensure the normal wear and tear of the drill tail, the following points must be paid attention to:
1. Select a qualified shank tail: ensure the matching size of the shank tail and the rock drill, and ensure that the thread of the shank tail and the connecting sleeve are well matched;
2. Select the normal working parameters of the rock drill: For rock drills with adjustable parameters (impact pressure, impact power, impact frequency, propulsion force, rotation speed), it should be ensured that the large impact energy corresponds to the large-size drill rod, and the small impact energy corresponds to the small-size drill rod. Rod, otherwise it is easy to cause early failure of the drill tail and matching drill tools;
3. Special inspection should be carried out on the shank tail before each shift (or regularly) to see if there is any phenomenon of top explosion or heaping, whether there are cracks, and whether the thread wear is serious. In the above situations, it should be replaced in time;
4. In the event of early failure, please notify our company in writing in time for timely processing. The content of the notification mainly includes:
1) The type of rock drill used, the actual working parameters (impact pressure, impact power, impact frequency, thrust, rotation speed);
2) Type and hardness of rock, construction site (open air, underground, other), drilling depth;
3) Early failure statistics:
A. Failure location, failure mode, life, quantity;
B. Planned service life;
C. Normal average service life;
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