Tungsten carbide Widia TBM shield cutter teeth are essential components for tunnel boring machines (TBM). These cutters enhance the effectiveness and longevity of boring operations.
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Technical Specifications
Item: Tungsten Carbide TBM Shield Cutter
Grade: YG6, YG8, YK05, YG8C, YG9C, YG10C, YG11C, YG13C
Sizes: Customized or standard
Brand: CD
Country of Origin: Zhuzhou, China
Usage: Tunnel Boring Machine
Overview of TBM Shield Machines
Shield machines are advanced tools for underground tunnel construction, enabling operations without disrupting surface activities. These machines are optimal for urban areas, ensuring the protection of buildings and historical sites above ground.
Cutter Design and Materials
The shield machine features a large circular blade at its front, equipped with various types of cutters. We have developed specialized tungsten carbide materials that provide high impact toughness, excellent abrasion resistance, and impeccable craftsmanship. These properties ensure the cutter's stability and longevity during operations.
Applications of Carbide Shield Cutter Teeth
Carbide shield cutter teeth are primarily utilized for coring softer rock formations, overburden drilling, and cleaning drill holes.
Production and Testing Process
The production of carbide shield cutter teeth involves:
- Ball grinding mill for raw material production
- Pressing to shape blanks
- Semi-finished product inspection
- Sintering blanks to finish (HIP)
- Finished product inspection
Grades and Performance
| Grade |
Density (g/cm³) |
T.R.S (MPa) |
Hardness (HRA) |
Performance & Application |
| CK10 |
14.7 |
88.5 |
High |
Buttons for small and medium percussion bits, inserts for rotary bits to cut soft and medium-hard formations. |
| CK15 |
14.7 |
87.8 |
High |
For geological prospecting buttons, suitable for cutting soft and medium-hard formations. |
| CK20 |
14.4 |
87 |
High |
Buttons for rotary percussion bits to cut medium-hard and hard formations. |
| CK25 |
14.5 |
87.5 |
High |
For rotary percussion bits to cut medium-hard and very hard formations. |
| CK30 |
14.4 |
87 |
High |
Inserts and buttons for percussion and tricone bits to cut in challenging conditions. |
| CK40 |
14.2 |
86.5 |
High |
Buttons for tricone bits and inserts for rotary percussion bits to cut hard and very hard formations. |
| CK50 |
14 |
86.5 |
High |
Designed for oil cone drill bits, effective for soft and medium-hard rocks. |
Packing and Delivery Process
- Wrap carbide shield cutter teeth in paper to prevent breakage.
- Place the wrapped cutters in a small inner carton box.
- Put the inner box into an outer carton and fill with foam.
- Seal the outer carton with packing tape.
- Select a delivery method such as DHL, TNT, UPS, etc.
Quality Assurance
All materials undergo rigorous testing on hardness, density, and T.R.S before usage.
Frequently Asked Questions
Q1: Are you a factory or a trading company?
We are a factory with 12 years of production experience.
Q2: Where is your factory located?
Our facility is situated in Zhuzhou City, Hunan Province, the base of tungsten carbide.
Q3: Is the price competitive?
As a factory, we promise the most competitive prices due to a strong production and distribution system.
Q4: Are the products high quality?
Yes, all products are tested before bulk production. We ensure the physical properties, shape, and tolerance meet our quality standards prior to shipping.
Contact Us
Please reach out to discuss your requirements for Carbide Round Bar. Our experienced sales team is ready to assist you in identifying the best options for your needs.
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