hot sell sintered-carbide shield cutter for tunnel boring machine
Product Application & Specification:
Shield machine of Tunnelling tool is a kind of advanced equipment
for underground tunnel construction, This equipment can do the
field operation that not affect any construction on the ground.
This is available and best choice for crowd city areas, Protect
buildings or historic
site on the ground.
There have a very big circle blade in the front of shield machine,
We have mounting various kind of cutters on the blade, In order to
promote stable and long life time of application, We have research
and developed special tungsten carbide materials that mainly
suitable for tunnel borer machine: With high impact toughness, high
abrasion resistance, stable physical ability, wide application
field, The appearance of fine workmanship etc.
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.
