Atlas Quality Thread Rock Drill Button Mining Bit Matched with Rod

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

Packaging Detail:	Wooden Box
Delivery Detail:	Within 15 days

Thread Rock Drill Button Mining Bit Matched with Rod
1.Diameter:40-200mm
2.Thread:R25,R28,R32,T38,T45,T51

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.

Q: There is a little trace of polishingShock polishing is even worseElectrolysis can not be uneven, there is a slight bump: German winter three step mirror polishing 2013 new processYou can free proofing!

Q: How is the silicon sol precision casting part priced? What is the price per ton of casting? Such as 304 material.: Yantai five God casting is generally 53 yuan /kg, the appearance is quite beautiful

Q: Domestic large steel castings factory which is better, recommend!: At least spend money on research and development, then the quality should be all right.

Q: How do casting parts remove stress?: Annealing treatment, according to different casting annealing treatment, eliminate thermal stress, if need to restore hardness or increase hardness, and then quenching treatment

Q: What are the effects of stiffeners on castings, or on welded parts (for 2 tons or less), casting or weldments on stiffeners?: 4, the performance requirements of the steel: whether castings or welding parts, there may be quality defects, but the casting will generally be worse than the weldment.You should be able to make a choice in the end.

Q: The cause of fracture and why there is no toughness: This question is too broad, see what the casting casting Oh in order to reduce the wayward cast steel, ductile iron, gray iron and white iron, you can choose the material according to their own requirements.

Q: What's the density of the cast iron? The density is thin and the density is thin: Uneven casting density is caused by uneven shrinkage of the casting during solidification.

Q: What kind of flaw detector is better for casting parts?: If you want to detect internal defects, you can use ultrasonic flaw detector, ray flaw detector can also, but the ray of the safety protection level is too high, not recommended priorityMacro Xu flaw detector answered, such as the magnetic particle inspection machine has the demand can contact us, Baidu "macro Xu flaw detection""

Q: Why should pig iron be used in casting?: Not necessarily is iron, steel, stainless steel, aluminum, copper can be cast iron, is cheaper, and better properties of cast out, for example, is not easy to rust, high strength, easy processing and so on, and is the only iron iron cast out, it is not necessarily the raw pig iron, plus some other material

Q: When the blank is a casting, the margin is evenly distributed, how should rough machining?Please help friends from mechanical classes.There is another problem: in the NC milling plane contour machining, when the rough margin is large, how to deal with.Who can help in time, add 20 reward. Urgently!!: Problem one,1, according to drawings, castings, material requirements and machine power, choose the right diameter of roughing tools, and can process this material blade type.2, according to the actual size of the casting blank, calculate the number and path of the knife, pay attention to small cutting depth, large feed, cutting width, to ensure that the tool diameter 80 - 90%, the amount of not full knife cutting, this tool and machine tool damage.Question two,If they can not change the casting blank allowance under the condition that the quantity large diameter cutter, such as milling cutter main angle 7560 degrees can give reasonable processing parameters, the same cutting depth should not be too large, because in the same machine power, tool diameter increases, cutting depth will need smaller.

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