|Product Keywords:||Carbide Cutter Round||Application:||Oil-field|
cemented carbide inserts,
carbide tool inserts
Customized Spherical Tungsten Carbide Buttons for Rock Drill Bits
Cemented carbide is the best material for producing cemented carbide ball teeth widely used in medium and high pressure down-the-hole hammer drilling industry.
|Features and applications|
|YG4C||15.1||1800||90.0||It is mainly used for cutting impact drill bit with a soft medium hard material|
|YG6||14.95||1900||90.5||Used as electric coal drills, coal picks, petroleum cone drills and scraper ball drills.|
|YG8||14.8||2200||89.5||Used as core drills, electric coal drills, coal picks, petroleum cone drills and scraper ball drills.|
|YG8C||14.8||2400||88.5||It is mainly used as the ball teeth of small and medium-sized impact drills and as the bearing shell of rotary exploration drills.|
|YG11C||14.4||2700||86.5||Most of them are used in percussion bit and roller bit to cut the ball teeth of high hardness materials.|
|YG13C||14.2||2850||86.5||It is mainly used in rotary impact drills to cut ball teeth of medium and high hardness materials.|
|YG15C||14.0||3000||85.5||Cutting tool for oil cone drill bit and medium soft and hard rock excavation.|
We are a professional customization company. Please provide us with the detailed size and material you need.
Cemented carbide ball teeth have their unique working properties, so they are widely used in oil drilling and snow shoveling, snow plow machines and other equipment.
Carbide mining ball teeth are also widely used as digging tools in quarrying, mining, and tunneling in civil buildings. In addition, it is also used as a drill bit accessory for heavy rock drills or deep hole drill tool accessories.
1. 100% virgin raw materials.
2. Various kinds of grades are available based on the customer's application.
3.we have a professional advanced production line and inspection equipment to ensure high-quality products.
4. Precision Ground and high polishing process.
5. High wear resistance, high hardness and impact toughness.
6. Advanced technology, precise grinding.
Tungsten carbide production
The APT (ammonium para-tungstate) is calcined into tungsten oxide under high temperatures. Subsequently, the oxide is reduced to tungsten metal in a hydrogen atmosphere. The metal powder is then mixed with carbon and carburied under inert atmosphere at high temperatures. The production parameters are decisive for the WC grain size in the sintered carbide.
The tungsten carbide is intensely mixed with the binder metal cobalt, nickel or iron, various grain growth inhibitors and materials, which promote compaction, by wet grinding so that a homogeneous suspension is created. Afterward, the suspension is dried in a spray tower to produce a granulate with good flow characteristics. This granulate represents the basis for all forming processes.
The objective of the forming process is to obtain a net shape sample. Pressing is normally carried out at room temperature with pressures reaching up to several tons per square centimeter.
There are several ways of pressing blanks:
During isostatic cold pressing the powder is filled into an elasticflexible hose and pressed into a compacted form throughhigh liquid pressure. The powder blocks which are producedin this way can then be processed mechanically. All common machining methods like milling, cutting, drilling or turning maybe applied.In uniaxial pressing the pressing tool consists of a die and anupper and a lower punch. The carbide powder is filled into thedie and then compacted to create the so called green carbide,which is ejected from the pressing die.
Extrusion pressing is mainly used to produce rectangular bar or cylindrical rod, with or without axial hole(s). A plasticiser isadded to the powder. The resulting paste is pressed through an extrusion nozzle. Before sintering, the plasticiser must be evaporated in special drying furnaces. Metal Injection Moulding (MIM) is a process used to produce more complex forms which cannot be produced by direct pressing. The paste preparation is similar to the extrusion process.
The sintering process converts the blank into a homogeneous and dense carbide with a high level of hardness. The material is sintered at temperatures between 1,300 and 1,500 °C (liquid phase sintering) and sometimes also at high pressure (up to 100 bar). The volume is reduced by up to 50 % during this process.
In order to achieve the final requirements of surface finish, tolerances,etc. carbide parts can be subjected to a series of finishing processes such as grinding, spark erosion and coating.
The main products cover punching die, drawing die, die for military application, cemented carbide strips, rods, tubes, rotary files, cemented carbides for oil exploration, mining tools, sealing rings, brazed cemented carbide inserts, indexable cemented carbide inserts and CBN inserts, which are widely used in the fields of machinery, metallurgy, oil exploration, mining, construction, electronics, military, aerospace and aviation.
Contact Person: Mrs. Ava