Zhuzhou Mingri supply TBM cutting tools cemented tungsten carbide tips for shield cutter
Description of cemented carbide shield cutter
cemented carbide shield cutter for Tunnel Boring Machinery Tool Part
1) 100% virgin raw materials, stable chemical properties, long life circle.
2) High hardness, good hardness, excellent wear-resistance.
3) High accuracy with long lifespan
4) Hip sintered, good performance
5) Various sizes and full types available
| Grade | Density g/cm3 | Hardness HRA | T.R.S MPa | Performance&application recommend | Approx grades in China | ISO |
| MK40 | 14.2 | 86 | 2900 | Predoninatly for the buttons of tricone bits and inserts of rotary percussion bits fo cut hard and very hard formations | YG13C | K40 |
| MK30 | 14.4 | 87 | 2850 | Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard,hard ,and very hard formations | YG11C | K20-30 |
| Other grades and sizes can be offered as per customers' requirements |
Shield cutter 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, protecting buildings or historic site on the ground.
There have a very big circle blade in the front of shield cutter machine with cemented carbide shield cutter, 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 cemented carbide shield cutter with special material that mainly suitable for tunnel borer machine: high impact toughness, high abrasion resistance, stable physical ability, the appearance of fine workmanship etc.
Application of carbide shield cutter insert
cemented carbide shield cutter are normally used for coring softer rock formations, overburden drilling, and cleaning of drill holes
Production and test process of cemented carbide shield cutter
ball grinding mill to produce raw material → press to shape blanks → semi-finished products inspection → sinter blanks to finish (HIP) → finished products inspection
Packing and delivery of cemented carbide shield cutter
Company infromation
230 workers, 8000 m2 non-dust workshop, 18 years experience , 10000 sets mould, 5 workshop included grinding powder workshop, pressing workshop, sintering workshop, processing workshop, mould production workshop.
Production capacity 50tons/month, well-known brand ”Ri Xin” has registered in Europe for 6 years , ISO, CE&FDA certificated, one hour reach Shanghai port, this is how we keep superior quality and competitive offers for global valued customers.
Our main products cover cold heading dies, wire drawing dies, strips and plates, saw tips, brazed tips, disc cutters, round rods, rock drilling bits and buttons, milling tools, also we can make all kinds of customized proposal to meet customers’ requirement.
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