Atlas Quality Thread Rock Drill Button Mining Bit Matched with Rod

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Model Number:
Thread Button Bits
Drill Bit
Machine Type:
Drilling Tool
Processing Type:
Ore Mining
Atlas Quality Thread Rock Drill Button Mining Bit Matched with Rod
Red, Black,Blue,Golden,Silver

Packaging & Delivery

Packaging Detail:Wooden Box
Delivery Detail:Within 15 days


Thread Rock Drill Button Mining Bit Matched with Rod

Product Description

Type of Bit:

Head Diameter:40 mm -200 mm (D)
Bit Type:Button Bit, Cross Bit
Button Type: Semispherical Button, Ballistic Button, Conical Button
Thread:R25, R32, R38, T38, T45, T51(T)
Bit Body:Standard Skirt, Retrac Skirt
Bit Face:Flat Face, Concave Face, Convex Face, Drop-Center Face
Material:High quality tungsten carbide

The selection of Bit Face Type:

Drop center face bit:    

It has high penetration rates in soft to medium hard and fissured rock formation, and has better hole deviation control.

Concave face bit:

It’s suitable for medium hard and similar rock formations, it has good hole deviation control and good flushing capacity.

Convex face bit:                                                                                

It has high penetration rates in soft to medium-hard rock formation. It has the best performance of resistance to steel wash, and reduce the load and wear on the gauge buttons, but it has poor hole deviation control.

Flat face bits:  

It’s suitable for hard to very hard and abrasive rock formations.

The selection of Bit skirt:

Standard skirt:                                      

This design is suitable for most of rock formations.

Retrac skirt:  

This type design can get better hole deviation control while drilling, it can get bit back easily while the bit is jammed during drilling.

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Q:Why do cheap cars like stamping parts instead of casting parts?
Separation process is also called blanking, the purpose is to make the stamping parts along a certain contour line from the sheet metal separation, at the same time guarantee the quality requirements of the separation section. Stamping is a highly efficient production methods, the use of compound die, especially the multi station progressive die stamping process can be completed in a multi machine, realized by belt uncoiling, leveling, punching, forming and finishing automatic production. High production efficiency, good working conditions, low production costs, can produce hundreds of parts per minute. The purpose of forming processes is to allow the sheet to undergo plastic deformation without breaking the billet and to make the desired shape and size. In actual production, a variety of processes are often applied to a workpiece. Blanking, bending, shearing, drawing, bulging, spinning, and straightening are the main types of stamping machines.
Q:The difference between sheet metal and casting parts
Sheet metal refers to the metal sheet (which can be bent straight board, etc.) generally uniform thickness, can obtain the required parts by stamping, molding, welding, splicing and other processing methods.
Q:What are the casting parts tested?
The surface brightness, appearance, size, chemical composition, weight, material, surface defects, internal defects, seals need to be checked, leakage, etc.
Q:What is the difference between forging parts and casting parts?
The casting parts are low in cost and short in production period. Because the molten iron has good flow properties, complex shapes can be formed. But because there may be sand holes, pores, shrinkage holes and other defects, the quality is unstable, easy to produce many defects, mechanical properties are not forged well, thus affecting the service life.
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:What do you mean by "proofing" in the casting? Do you charge for the proofing?
Die die must charge, wood cheap, expensive aluminum mold
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 kind of flaw detector is better for casting parts?
If the casting is very small, can be used for fixed magnetic detection machines, of course with fixed magnetic powder the testing machine, the best first contact the manufacturers, because the fixed magnetic particle testing machine belongs to the non-standard equipment, according to the workpiece size, different shape, manufacturing daily inspection and measurement.
Q:What reason is the bronze statue choking fire?
The casting process in boiling phenomenon, is the setting of the exhaust hole positioner position or number is not reasonable, the air cavity can not be discharged, overwhelmed by a material inlet, reflux, change mould, sincerely help you look forward to adopt,
Q:Is the cast steel a casting part?
Yes, molten steel is poured into the mold and cooled to become a casting. Can also cast iron, cast aluminum, plastic casting.

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