R38 Tungsten Carbide Drill Bit with Ballistic Button for Mining

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Quick Details

Model Number:
B964-R38-B to B1389-R38-B-2
Type:
H-thread Button Bit
Material:
Tungsten Carbide
Use:
Coal Mining

Packaging & Delivery

Packaging Detail:Carton or Wooden Box
Delivery Detail:20-25

Specifications

High grade tungsten carbide inserts
Bit bodies manufactured from high grade steel and processed using state-of-the-art CN

Product Description

R38 Tungsten Carbide Drill Bit with Ballistic Button for Mining

Description

This type of bit is well known for its wear resistance and high speed drilling on soft to medium-hard rock formations (between 70 Mpa to 180 Mpa compressive strength). Featuring ballistic tungsten carbide inserts that is known to have high penetration rate, but has weak configuration against carbide fracture.

• Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock

Color: Green or Based on Customer requirements

Material: Tungsten carbide and high strength alloy steel

Processing: CNC milling and proprietary heat treatment process

Type: R38 Button Bit Ballistic Buttons

Applications

• Underground mining
• Tunneling

Competitive Advantage

• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment

Part NumberProduct Code and Brief DescriptionBit Diameter (mm)Bit Diameter (inch)Front Buttons (No. x mm)Gauge Buttons (No. x mm)AngleFront Flushing HolesSide Flushing HolesWeight (kg)
4148300657B964-R38-B, R38 Button Bit, Ballistic Buttons642 1/23x116x1235°3-1.8
4148300658B1270-R38-B, R38 Button Bit, Ballistic Buttons702 3/44x118x1140°2-1.9
4148300659B1370-R38-B, R38 Button Bit, Ballistic Buttons702 3/44x10, 1x108x1130°4-1.9
4148300660B1276-R38-B, R38 Button Bit, Ballistic Buttons7634x118x1140°2-2.4
4148300661B1076-R38-B, R38 Button Bit, Ballistic Buttons7633x11, 1x116x1235°312.6
4148300662B1376-R38-B, R38 Button Bit, Ballistic Buttons7634x11, 1x118x1235°4-2.6
4148300663B1389-R38-B-1, R38 Button Bit, Ballistic Buttons893 1/25x128x1235°2-3.3
4148300664B1389-R38-B-2, R38 Button Bit, Ballistic Buttons893 1/24x13, 1x138x1335°4-3.3


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Q:How to cast iron and wrought iron collocation
So we can only watch and ear distinction: 1, see: Iron fracture is rough, showing a bead (for the sake of coarse grain iron), and wrought iron fracture is generally more smooth; if this is a new fracture, but also to see the dark and shiny born iron wrought iron pig iron is bright; the fracture is generally irregular, because it is very brittle, mostly is interrupted, (which is processed, it is very flat and wrought iron) must not be interrupted, mostly by certain way processed separately, so the fracture is generally neat; if the fracture is that is cutting, wrought iron, iron is not cutting; iron surface will not have pores, familiar iron porosity; if a piece of iron is a significant deformation (bending) that is wrought iron because of poor plasticity It doesn't have to be so deformed, it's really bent, or it's broken, or it's obviously cracked, and it doesn't bend very much. There are some details that can not be made clear. It is necessary to have some experience.
Q:What's the effect of casting copper?
Riga. Copper is copper components, promote the graphitization of the copper element, make dense tissue, and to refine and improve the uniform distribution of graphite, which can reduce the chilling tendency of the cast iron, but also can promote the formation of pearlite, has a favorable effect on the section sensitivity. Copper has the tendency to strengthen cast iron, ferrite and pearlite, so it can increase the strength of cast iron. The tensile strength and bending strength of cast iron almost increase with the amount of copper in it, especially in low carbon cast iron.
Q:How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q:How much is the amount of electrophoretic paint per square meter used in the casting?
It was a very simple question, and it was complicated by what you said.In general, when the final thickness of 15-20 microns, cathode electrophoresis paint can be coated per kilogram of 6-8 square meters, the current general cathode electrophoresis paint for the price of 22 yuan / kg, so the cathodic electrophoresis electrophoresis paint cost at 4 yuan / square meters.
Q:We are small castings, the need for surface treatment of shot blasting machine, about how much?
according to the comprehensive consideration of factors such as yield, size of workpiece commonly used on the market the crawler shot blasting machine has Q324, Q326, Q328, Q3210, and each time the amount of their treatment were 125KG, 200KG, 400KG, 600KG, the specific use of what types also need to be determined according to the actual situation
Q:Why do casting parts have air holes?
Cangshan Qiao hidden his answer is quite comprehensive, you can try using inert gas to reduce air cover
Q:What is the reason for 304 stainless steel precision casting parts to be changed?
304 stainless steel is easier to change than ordinary steel. Because the 304 heat conductivity is lower than that of the low doped steel, the temperature is even more uneven, and 20% of the non ferrous elements also make the distribution of internal and external elements more uneven, hard and soft inside. Each of these two produces greater internal stresses, resulting in a variant.
Q:Tolerance standard for casting parts
The tolerance of a specific size can be obtained from the tolerance grade and nominal size of the casting.
Q:What is the difference between the casting drawing and the car work drawing?
What you say is the difference between rough drawing and processing drawingThere must be a difference between the rough drawings and the rough ones
Q:Selection of hydraulic press is the casting parts and steel plate welding, how to choose?
Casting parts in one shape, the overall processing in this regard than steel plate welding better. The same price is much more expensive than steel. Large hydraulic presses seldom have casting parts.

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