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| Categories | Tricone Drill Bit |
|---|---|
| Brand Name: | Tianying |
| Model Number: | 9 7/8 inch IADC635 |
| Certification: | ISO9001 |
| Place of Origin: | CHINA |
| MOQ: | 1 set |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram |
| Supply Ability: | 500 pcs per month |
| Delivery Time: | 30 working days |
| Packaging Details: | single wooden package |
| Price: | negotiatable |
| Material: | carbide inserts and steel |
| color: | Golden |
| brand: | Tianying |
| usage: | hard formation |
| size: | 9 7/8 inch |
| style: | mining tools |
| IADC: | 635 |
| brand name: | Tianying |
9 7/8 inch IADC635 durable Tricone drill bit for hard formation mining tools
Application
IADC635 series apply for the soft formation TCI tricone bits are used to drill low compressive strength, very soft formations. This bit maximized to use of both conical and chisel tungsten carbide inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, results in high bit penetration rates. The deep intermesh of cutter rows prevents bit bailing in sticky formations.
Mining Drill Bit is the best all-purpose drill bit and can be used for many different types of rock formations, such as Soft Rock Formations (consist mainly of sand, clay, limestone or shale), Medium Rock Formations (calcites, dolomites, hard limestones, and some hard shale), Hard and Abrasive Formation (hard shale, calcites, mudstones, chert, pyrite, granite, quartzite, and cherty lime stones).
Advantage:
High quality----strictly act according to the ISO9001 standard, and all bits are manufactured according to strict standards, set forth by the American Petroleum Institute (API).
Propessional Equipment---- No matter raw material selection, or processing technology are selected is the industry leading technical equipment.
61 Years History---- From 1958 to 2019, customers are located all over the world and win a good reputation.
Common fault analysis of Tricone bits
| Common fault | Fault description | Method |
| Early wear of the shirttail | Abrasive formations, bent drill rod, seriously worn stabilizer and insufficient air for drilling rate attained etc, are all the causes which result in premature shirttail wear. In this case, the configuration of cones is good and the amount of inserts wear is small. Shairttail wear can also allow the big roller bearings to fall out resulting in bit failure. | The designer should strength the shirttail with certain measures to increase the wear-resistance capacity of shirttails. |
| Cutting structure failure | Excessive WOB or Rotation speed; Wrong bit selection; Cuttings blowing in bad conditions caused repeating crushing. | Correctly select operating parameters and rotary types for specific
working conditions |
|
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