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Coarse Grain Carbide Shield Cutter For Tunnel Boring Machine
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Brand Name:none
Model Number:many
Certification:ISO9001:2008 ISO9001:14001
Supply Ability:30Tons/month
Delivery Time:2-3 weeks
Company Data
Verified Supplier
Contact Person
Linda Chen
Business Type:
Manufacturer
Officials:
Add: No. 88, Mingri Road, Liyu Industrial Area, Tianyuan District, Zhuzhou City, Hunan Province.P.R.C. P.C:412007
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
Coarse Grain carbide shield cutter for tunnel boring machine
Description:
A tunnel boring machine (TBM) is a machine used to excavate tunnels with a circular cross section through
a variety of soil and rock strata. There have a very big circle blade in the front of tunnel boring machine equipped
with various kinds of cutters, in order to promote stable and longer lasting life of application, we have research and
developed special tungsten carbide materials suited to your application.
The TBM technology is mainly used in underground ming and traffic tunnelling like metro, railway and road tunneling
.
Grade and Applications:
Grade | Density | T.R.S | Hardness | Performance & application recommended |
g/cm3 | MPα | HRA | ||
MK4 | 15.1 | 1800 | 90.0 | Mainly used as small buttons for percussion bits to cut soft and medium hard formations. |
MK6 | 14.9 | 2000 | 90.5 | For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, usd in geological prospecting, coal mining and oil well boring. |
MK8 | 14.7 | 2400 | 89.7 | For coring crowns, electric coal drill bits, coal cutting picks, cone drill bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
MK10 | 14.7 | 2450 | 88.5 | Mostly used as the buttons of small and mediumsized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations. |
MK15 | 14.6 | 2450 | 87.8 | Suitable to strips, conical buttons for rotary percussion-resistant, geological prospecting buttons, cut soft and medium hard formations. |
MK20 | 14.4 | 2550 | 87.0 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. |
MK25 | 14.5 | 2600 | 87.5 | Primarily for the buttons and inserts of rotary percussion bits to cut medium hard and very hard formations. |
MK30 | 14.4 | 2600 | 87.0 | Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations. |
MK40 | 14.2 | 2650 | 86.5 | Predominatly for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and vey hard formations. |
MK50 | 14.0 | 2700 | 86.0 | For oil cone drill bits, for medium soft and medium -hard rocks. |
MK60 | 14.0 | 2500 | 87.0 | Good strength and less wear resistance, for bits of rotary hammer rock drills and heavy rock drills, for hard and very hard rocks. |
Other grades may be offered by customers' requirements
Competitive Advantage:
1. Expertise in tungsten carbide for 15 years, we can assit you in choosing the optimum grade for your job.
2. We produce only with advanced tungsten carbide material to ensure high level of quality
3. You're guarranteed to find the right one for your application with various grade and types available
4. All our product are in-house made under strict quality controlled conditions.
1. All raw materials are tested in terms of density, hardness and T.R.S before use.
2. Every piece of product goes through in-process and final inspection.
3. Every batch of product can be traced.
4. 100% of our products pass final inspection before being put on the market.
Company Profile
Zhuzhou Mingri Cemented Carbide Co., Ltd.
Zhuzhou Mingri Cemented Carbide Co., Ltd.
Located in Liyu Industrisl Area, Zhuzhou City, Tianyuan District, Hunan Province, Zhuzhou Mingri Cemented Carbide Co., Ltd was established in May of 2001 with the investment of RMB 40 million and area of 33000 square meters. We own up-to-date production line, advanced equipment, lots of technicians. We have passed ISO 9001:2008,ISO 9001:14001. And we have been always trying our best to provide our customers with high quality , best price and satisfactory services.
We specialize in series of tungsten carbide products, such as cold forging die cores, brazed tips, disc cutters, plates and boards, saw tips, round rods, rock drilling bits and buttons, milling tools, geological exploration drill tools and so on. Our production are exported to UK, European, Japan, Taiwan and South-east Asia etc.
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