Core Barrel Od 900mm with Single Roller Cutters Bit for Rotary Drilling
Core Barrel drill operating procedures1)Before running the core barrel, the flexibility of the mechanism must be checked
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Basic Info.
Model NO. | YH900-1200-7 |
Trademark | YINHAI |
Origin | Cangzhou City, Hebei Province, China |
HS Code | 8207199000 |
Product Description
Core Barrel drill operating procedures1)Before running the core barrel, the flexibility of the mechanism must be checked at the orifice.2)Bucket flaps must enter the hole when fully stretched. 3)The initial drilling can not be pressurized, and then gradually pressurized after the backdrilling is stable. At this time, the core barrel should not appear to skip(move up and down).4)If countersinking or stuck drilling occurs during drilling, stop pressurizing and do not use reverse drilling5)During the drilling, it was found that the slewing resistance suddenly increased. At this time, it can be preliminarily judged that the core has been broken, and it can be reversed 2 to 3 times, and the core barrel can be lifted.6)During the drilling process, a sudden pressure loss is found, that is, there is no resistance when turning. You need to stop drilling immediately and check to prevent the rotating shaft from breaking.
FAQ:
1Q:What kind of packing do you have?
A: Plywood case free of fumigation;cartons;packing can be customized.
2
Q:What is your price advantage?
A:We are 100% factory directly sales,API production process guarantee,Provide customized services for brand processing.
Reduce the cost of drilling for you, worry free after-sales service.Welcome video call to inspect factory.
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