wing pdc drag bit mining drill bit from manufacturer

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Packaging Detail:	cartons; export seaworthy packing
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4 wing pdc drag bit mining drill bit from manufacturer
Wear resistance pdc tooth
Bit size: 75~270mm
Long service life

Description :

Application	Used for penetrating the degassing hole, drainage hole, and grouting hole of coal mine.
Chracteristics	Using PDC as its main cutting components; High wear ability and impact toughness of the PDC; Improved the drilling efficiency and reduced labor intensity; The drilling efficiency of pillar model is slightly lower than concave bits, but the abrasion performance is stronger; For drag bits, compared with the others, this one has a higher abradeability and widely application; Widely used in warious of different fields, mining, hydrology, subterranean, piling and water well drill.
Formations	Available in a variety of sizes to accommodate drilling in a variety of formations, from sand and clay to shale, limestone, gravel, and more. f<6.
Advantage	1. With 15 years production experience; 2. With standard management and strict quality control system, we have got ISO9001:2000 Certificate and API Certificate; 3. Our PDC drill bits have been widely sold to many countries, such as Australia, Turkey, Russia etc.; 4. As per your requirments/ samples/ drawing, we can design and produce the specified specification.

Application

Used for penetrating the degassing hole, drainage hole, and grouting hole of coal mine.

Chracteristics

Using PDC as its main cutting components;
High wear ability and impact toughness of the PDC;
Improved the drilling efficiency and reduced labor intensity;
The drilling efficiency of pillar model is slightly lower than concave bits, but the abrasion performance is stronger;
For drag bits, compared with the others, this one has a higher abradeability and widely application;
Widely used in warious of different fields, mining, hydrology, subterranean, piling and water well drill.

Formations

Available in a variety of sizes to accommodate drilling in a variety of formations, from sand and clay to shale, limestone, gravel, and more. f<6.

Advantage

1. With 15 years production experience;

2. With standard management and strict quality control system, we have got ISO9001:2000 Certificate and API Certificate;

3. Our PDC drill bits have been widely sold to many countries, such as Australia, Turkey, Russia etc.;

4. As per your requirments/ samples/ drawing, we can design and produce the specified specification.

Q: Why does the precision casting factory not usually make iron castings?: Jiangyin Lin Xing stainless steel (precision manufacturing) Co., Ltd. to provide professional precision casting

Q: What are the factors affecting the machining process of the casting material and structure?: Medium carbon steel begins, and the casting can not be punched and tapped directlyStainless steel, ordinary grade (Fe based alloy element content, less) can not do heat treatment. But processing small holes or tapping to heat treatment (solution. In practice, the annealing treatment can also be). There are a lot of stainless steel matrix is not to say, for example, nickel, cobalt and tungsten. And so on.

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.

Q: What are the causes of pitting on the surface of a precision casting?: There is a bump on the mold. Or casting cooling fast.

Q: Which surface is coarser for cast iron or cast steel castings? Why?: The surface of the steel is more rough, because the coating sand cast steel cast iron particles compared with graphite coating degree, the other one is to get a better air permeability and collapsibility of sand, the compaction degree is smaller than iron. Roughness mainly depends on the surface roughness on the surface of the sand.

Q: Why should pig iron be used in casting?: Cast iron is generally called pig iron, but casting is not merely iron casting.For example, injection molding, die casting, and so on, in fact, cast iron, cast steel, cast aluminum, plastic and so on, can be used in the form of casting processing molding

Q: Lathe processing stainless steel casting parts to use what type of tool, the speed into the amount of how much tool angle: Processing stainless steel materials, you can use YG class tools, such as YG8, YG8N. The tool geometric parameters g0=15 degrees to 18 degrees, a0=6 degrees to 8 degrees, kr=75 degrees, ls=-5 degrees to -8 degrees; cutting amount is Vc=43 m/min, ap=0.3 to 0.5 mm, f=0.16mm/r.

Q: Which master knows how the casting tolerances for malleable iron, gray iron and ductile iron should be chosen? Hurry up, thank youCan you provide a tolerance scale for castings, please?: Usually manual molding optional CT11 class, ordinary machine modeling optional CT10 class, high pressure molding should reach CT9 level. The tolerances on the wall thickness of the casting are comparable to those of other dimensions of the same casting.

Q: What's the cause of the choking of the casting?,: 2. when casting mold exhaust condition is not good, in the casting material use consider whether and hinder its gas permeability; in the process to consider to release more pores, multi venting; core exhaust is particularly important.

Q: ZGMn13 casting parts processing, with what knife head good?: its surface wear resistance is high; the two is with the gradual wear of surface hardening, the hardening layer is continuously formed new if you have suggestions, processing, plasma cutting or flame cutting try

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