Atlas Quality Thread Rock Drill Button Mining Bit Matched with Rod

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Quick Details

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:Casting parts have poor surface finish. What sand is used to make them?
Now resin sand, coated sand and other processes are also very good surface.
Q:The casting sand is going on
2, causes(1) sand mold (core) strength is not high, when the box a little reason will fall off.(2) the strength of sand mould (core) is not high, it can not stand the erosion of molten steel.(3) box sand mould (core) crush.(4) high strength under high temperature, warpage, deformation and protuberance into the cast steel under the action of high temperature molten steel.(5) the floating sand in the air hole of the sand mold falls, especially when the floating sand falls in the casting, and the floating sand on the surface of the sand mold is easy to fall through the air vent.(6) when the box is closed, the surface of the mold cavity and the surface of the sand core are not cleaned, and the sand (core) surface has floating sand and so on.
Q:Stainless steel mirror polishing precision casting parts is very difficult, 20
German winter three step mirror polishing 2013 new processYou can free proofing!
Q:Heat treatment process and purpose of casting parts
Methods: artificial aging or natural aging (also called normalization) treatment.Artificial aging: heating to 2-3 Baidu, it is best to apply mechanical vibration, and maintain a period of time.
Q:Is 316 casting better than 304 casting?
It is comprehensive. There is no simple comparison of the material to determine the degree of difficulty in processing
Q:What foundry factories are used in the casting parts of China's major automobile manufacturers?
Tangshan Yongding automobile spare parts factory also give a lot of supply, casting factory of Tangshan n to the car enterprises casting wheel gearbox etc.The team of casting experts welcome you to ask questions and accept questions!
Q:The difference between cement sand castings, resin sand castings and vacuum casting parts
Vacuum casting is the process of using ventilation molds. Molten metal flows into the mold by air pressure, and then removes air to form a vacuum. The casting process is mainly used for small parts or jewelry with exquisite detailsCompared with the traditional clay sand casting, heat hardening resin sand casting production with low surface roughness, high precision, good quality characteristics, dimensional accuracy of resin sand mold after hardening with good rigidity and high, and not easy to deform, so in the choice of process parameters, mechanical processing you can select a smaller margin, thereby reducing the consumption of metal solution and machining cost, which can improve the dimensional accuracy of castings.
Q:What is the difference between forging parts and casting parts?
The forging can guarantee the continuity of the metal fiber tissue, make the fiber structure of the forging keep the same shape as the forging, the metal streamline is complete, the tissue is compact, and the mechanical property is good. To ensure that the object has good mechanical properties and long service life, the processing of objects sharp, durable, high strength, first-class quality.
Q:What are the casting parts used to test shrinkage holes?
3 fluorescent magnetic powder, this method can also be found in part.
Q:What's the cause of the choking of the casting?,
Causes of choking fire:1., casting material in the pouring of gas;

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