Tungsten Carbide Shield Cutter Inserts’ Application:
Shield machine of turning 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, can be used for bits and shield cutter of mining and tunneling.It has excellent toughness and thermal fatigue property.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
Tungsten carbide grade:
The components of tungsten carbide are WC(hard phase) and cobalt (binder phase).The physical properties of alloy depend on the grain size of WC and the percentage of hard phase,we have dozens of material grades for your different applications.
Grade |
Density |
Hardness |
TRS |
Application |
(G/Cm3) |
(HRA) |
(Mpa) |
||
YG4C |
15 |
89.5 |
1800 |
Mainly used as small buttons for percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations. |
YG6 |
15 |
90 |
1700 |
Mainly used as the buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations. |
YG8 |
14.7 |
88.5 |
2200 |
Mainly used as the buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations. |
YG8C |
14.7 |
88 |
2300 |
Mainly used as the buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations. |
YG9C |
14.5 |
87 |
2400 |
Mainly used as the inserts and buttons for rotary-percussive bits, coal-cutting bits and tricone bits to cut medium-hard and hard formations. |
YG11C |
14.4 |
86.5 |
2450 |
Chiefly for the inserts and buttons of heavy rock drill bits and rotary-percussive bits, coal-cutting bits and tricone bits to cut medium-hard and hard formations. |
YG13C |
14.3 |
86 |
2500 |
Mainly used as the inserts and buttons of tricone bits rotary-percussive bits and heavy rock drill bits to cut medium-hard and hard formations. |
YG15 |
14 |
86.5 |
2500 |
It is stronger, and is mainly used as the inserts and buttons of rotary-percussive bits, heavy rock drill bits to cut hard and very hard formations. |
YG16 |
14.10-14.30 |
87.5 |
2400 |
It is mainly used for making cemented carbide substrate tips to be used in PDC cutters for excavating coal and oil field PDC bits. |
YG20 |
13.40-13.70 |
85 |
2254 |
Mainly for the stamping dies used in the conditions of heavy impact load and large strees. |
Product advantages:
1. Wildly used in shield machine.
2. The specification based on the different part of cutters.
3. Easy to install and remove.
4. With high impact toughness, high abrasion resistance.
5. Stable physical ability, wide application field.
6. Top quality and long life time.
7. The appearance of fine workmanship etc.
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