Hunan Tianying Drilling Machine Manufacturing Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 1000 Pcs Per Month |
| Delivery Time | 10-15 Working Days |
| Packaging Details | Wooden Case , Signle Item Per Case |
| Advantage | More Footage Drilled |
| Formation | medium soft formations |
| Product name | mining drill bits |
| Material | Best steel，Antiwear Cemented Carbide and Tomlin grease |
| Bearing type | Sealed Bearing |
| Application | Drill & Blast |
| Brand Name | Tianying |
| Model Number | IADC635 |
| Certification | ISO9001 |
| Place of Origin | Hunan CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000 Pcs Per Month |
| Delivery Time | 10-15 Working Days | Packaging Details | Wooden Case , Signle Item Per Case |
| Advantage | More Footage Drilled | Formation | medium soft formations |
| Product name | mining drill bits | Material | Best steel，Antiwear Cemented Carbide and Tomlin grease |
| Bearing type | Sealed Bearing | Application | Drill & Blast |
| Brand Name | Tianying | Model Number | IADC635 |
| Certification | ISO9001 | Place of Origin | Hunan CHINA |
| High Light | rock mining bits ，rotary drilling bit | ||
IADC Classified Rock Drilling Even Wear Can Stand Up Prolonged Drilling
Click here for catalogueTCI DRILL BIT.pdf
Click here to know how to select bits ABOUT IADC.pdf
IADC 6 SERIES DRILL BITS
These bits are used to drill high-compressive strength, medium hard formations.
A small amount of cone offset and low insert projection is used to prevent cutting structure damage when hard streaks are encountered.
Increased numbers of blunter, smaller diameter inserts are used to increase life in harder, more abrasive formations.
Advantage:
1. Strictly select the material to ensure the reliable quality. Bad steel and tungsten carbide inserts won't be used.
2. Strictly act according to the ISO9001 standard, and control by full-scale inspection.
3. Sales and support people are highly trained in the latest rock drilling technology and can offer you expert advice on what products will best fit a specific end use application.
Common fault analysis of Tricone bits
1. Early wear of the shirttail
Fault description: 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.
Method: The designer should strength the shirttail with certain measures to increase the wear-resistance capacity of shirttails.
2. Early wear and loose movement of the bearing
Fault description: Excessive weight on bit, insufficent air to clean the hole and/or cool the bearing, leads to bearings overheating due to improper cooling and poor cuttings removal can shorten the service life of bit bearing.
Method: Reduce bit pressure and increase air pressure.
3. Cutting structure failure
Fault description: Excessive WOB or Rotation speed; Wrong bit selection; Cuttings blowing in bad conditions caused repeating crushing.
Method: Correctly select operating parameters and rotary types for specific working conditions
Bits thread are manufactured according to API standards.
| BIT SIZE | BIT WEIGHT | THREAD TYPE(API) |
| 7 7/8” (200mm) | 36KG | 4 1/2” REG |
| 9 7/8” (251mm) | 67KG | 6 5/8” REG |
| 11” (280mm) | 76KG | 6 5/8” REG |
| 6 5/8” (311mm) | 100KG | 6 5/8” REG |
Main Products We Provide
We mainly provide Tricone Bits(TCI Drill Bits) for open pit mining.
a). Type: Tungsten Carbide Insert (TCI)
b). Formation Application: Soft to Hard Formation
c). Size Available: 7 7/8''~26''
d). Popular IADC Code: IADC545,645,725,735,745,825,835
Don’t see the bit you are looking for? Give us a call, we can customize any bit to fit your unique circumstances.
The above represents commonly available sizes and types, we do produce other sizes and types of rock drill bits which do not appear on . Please contact us for more information.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1958
Total Annual:
8000000-10000000
Employee Number:
100~200
Ecer Certification：
Site Member
Professional. Duarable, Efficient, TIANYING TCI Tricone Bit! Hunan Tianying Drilling Machine Manufacturing Co., Ltd.is one state-appointed factory of mining tools especially for tricone bit. we are established in 1958 and located at Zhuzhou city of Hunan provice. one fam... Professional. Duarable, Efficient, TIANYING TCI Tricone Bit! Hunan Tianying Drilling Machine Manufacturing Co., Ltd.is one state-appointed factory of mining tools especially for tricone bit. we are established in 1958 and located at Zhuzhou city of Hunan provice. one fam...
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