Tungsten Carbide Valve Ball

Tungsten carbide valve ball is the material composite by tungsten carbide add with Co or Ni, with high rigidity, no significant plastic deformation and small thermal expansion coefficient in the normal temperature. The valve ball with size stability and high precision.

Tungsten carbide valve ball is widely used in many military and civilian high-tech fields rolling the ball bearing industry, fluid sealing rotating ball, valve core, oil extraction machine-way valve, valve seat and so on.

The smalles size of tungsten carbide valve blank ball is Ø2mm, the finisehd ball is Ø1mm. Size tolerancs of blank ball is ±0.2mm, the surface of finished ball is G25. But also accept customized.

tungsten carbide valve ball picture

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Non Magnetic Tungsten Carbide Ball

Non magnetic tungsten carbide ball with higher hardness, flexural strength, impact toughness, corrosion resistance than other materials, it is suitable for thermal recovery wells, sand wells. Non-magnetic carbide that are not magnetic or weakly magnetic carbide materials. As the production of magnetic materials mold requires non-magnetic material, in the past has been used non-magnetic, and its mold poor performance, low hardness, life is short, and after a period of time using the inner wall of the mold serious nap, deformation, etc., thereby affecting the magnetic dimensional accuracy and surface quality of the material.

non-magnetic tungsten carbide ball picture

Application of Non-magnetic Tungsten Carbide Ball

With its excellent performance instead of non-magnetic steel can exponentially increase the work efficiency. Non-magnetic tungsten carbide ball is widely used in the production of standard parts of cold heading and cold, cold mold, in the wear parts and the field of forming die punch.

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Tungsten Carbide Bearing Ball

The main ingredients of tungsten carbide bearing ball is tungsten-cobalt alloy (WC-CO), high hardness, good wear resistance, wear resistance is the ball a few times to a hundred times. carbide ball bearing extremely broad scope of application, such as: precision bearings, instruments, meters, pens, spraying machine, high short-circuit current automatic selector switches, pumps, machinery parts, sealing valve, brake pump, squeeze hole punch, oil, hydrochloride laboratories, hardness measuring instrument, fishing gear, weight, decoration, finishing, manual switch, drum controllers, cam controller, battery cars and other electrical contacts and other industries, which are resistant to abrasion, anti-welding, chemical good stability and long lifetime.

Tungsten Carbide Bearing Ball Picture

Manufacturing processes:

The first step is cold forming or thermoforming process. To a final diameter and the diameter of the metal ball of metal wire into almost head machine where the ball's surface leaving a circle of metal rings (called mold spills), the ball into another machine to remove mold spills. After this step, it is necessary for the thermal processing of the ball. This treatment will increase the hardness of the ball, but also to change its size. Next, the ball will go into the grinding process, using the same type of machine is still, only this time in the coolant added a abrasives. After the ball again from the groove through, the surface is polished smooth, and the size is compressed into the final dimensions. After that, on the ball to be polished. This process does not remove any material in the case, the surface of the balls became very smooth and shiny. The last step in the process is to check. Worker with a very precise tool balls are measured to determine whether it satisfies a predetermined working poor.

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Tungsten Carbide Punching Ball

Tungsten carbide punching ball also known as tungsten carbide hole squeeze ball, with high hardness and high impact resistance of tungsten carbide material, is widely used in punching and polishing bearings, cast iron and stainless steel and other materials. In the process, the main punching a workpiece with a tungsten carbide ball to complete the table by finishing in Europe and America. Since the tungsten carbide ball high precision punching, high hardness and a small coefficient of friction, and therefore the surface during extrusion, to ensure high accuracy of the machining surface, and also to improve the dimensional accuracy of the workpiece surface, and the surface roughness hardness.

Tungsten Carbide Punching Ball Picture

Mechanical processing machinery manufacturers in the hole often encountered when processing the aperture is not uniform, the surface is not smooth inner bore surface knife pattern and so on. Select tungsten carbide punching ball can solve this problem, carbide punching ball squeeze workpiece bore hole the size of the workpiece within a unified, smooth inner bore surface of the workpiece.

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Tungsten Carbide Pin

Tungsten carbide pin is also called tungsten carbide studded pins, for they are widely applied to the snow studs area. Tungsten carbide pins are in the cylindrical shapes, and it shows the excellent performance in resisting wear and abrasion.

Tungsten Carbide Pin Picture

Tungsten carbide pin is usually made of tungsten carbide powder with the cobalt powder as the binder, and then sintered to the shape of small cylinders. They can be inserted into other covets or parts to work, and the most important application of tungsten carbide pins are in the tungsten carbide studded tires and shoes, which are quite popular among those countries with lots of snow to protect the cars or people from slipping.

Made from tungsten carbide material, tungsten carbide pins have extremely high hardness, and the most important is that they have great performance in resisting abrasion, so they have a long time service life when they are put into use.

We has manufactured and provided lots of tungsten carbide pins and exported to countries worldwide, and we can produce according to customized drawings. Our tungsten carbide pins enjoys high reputation among our clients.

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Tungsten Carbide Roller

Tungsten carbide roller has characteristics of good wear resistance, high temperature red hardness, thermal fatigue resistance and thermal conductivity and high strength , have been widely used in high-speed wire rod, bar, rebar, seamless steel tubes, etc. Domestic production of tungsten carbide roller materials mostly WC- Co, WC- Co- Ni- Cr two series, and the content of Co, Co- Ni - Cr is in the range of 6wt% ~ 30wt%. From the use of perspective, tungsten carbide rollers has good mechanical properties, its flexural strength up to 2200 MPa or more, shock toughness up (4 ~ 6) × 10^6 J/ m^2, Rockwell hardness (HRA) is up to 78 to 90, widely in the high-speed wire rod rolling process, which is much higher than single-slot chilled cast steel or high speed steel rolls.

Tungsten Carbide Roller Picture

Advantages
1. Sufficient anti-fracture strength;
2. Good abrasion resistance;
3. The smooth surface finish;
4. Excellent corrosion resistance, thermal fatigue, thermal cracking performance.
Tungsten carbide roller rings can working in bad conditions , small profile rolling (especially rebar rolling) process conditions is harsher than the high-speed wire rod, and therefore corresponds to the profile rolling ,tungsten carbide rollers recommend using high binder phase carbide.

Pre-finishing all vehicles roller should ensure its high toughness, strength, rigidity and thermal conductivity, followed before considering its wear resistance. When designing each vehicles roller, pre-finishing materials should choose carbide grades of Co, Co- Ni- Cr binder content is high (greater than or equal to 25wt%) , requiring an average WC grain size of coarse (5μm ~ 6μm), to obtain a higher shock toughness, proper strength and hardness. For the finishing of the roller movements, particularly the last two rollers of the finish rolling, which suffered load is small, and high relative velocity of the material to be pressed (80 m / min ~ 120 m / min). In this case, the wear resistance of the roller to be the most important requirements, and must ensure the strength , timpact toughness and hardness of a reasonable match, so the binder of Co / Ni content ratio and the average grain WC control of particle size and other factors must have greater control in front of different pre-finishing rolling roll.

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Tungsten Carbide Sleeve Description

Tungsten carbide sleeve with excellent performance and good wear resistance. To make our products high machining accuracy, keeping operation precision, prolong the life time of rolling axletree, Chinatungsten Online strictly control our quality, and have a high reputation in our industry. Chinatungsten Online produce many OEM carbide sleeves for our clients all over the world.

Tungsten Carbide Sleeve Picture

Applications
Tungsten carbide sleeves are often used in water pump, oil pump and other pumps, especially used for high pressure or corrosion resistance pumps, flow restrictors, servo seat.
Tungsten carbide sleeves are widely used as seal faces with resistant-wearing, high fractural strength, high thermal conductivity, small heat expansion co-efficient. It is the best material to resist heat and fracture in all hard face materials.

Advantages
1.Full-set quality control
2.Strict quality inspection
3.Tight Tolerances
4.Technology Support
5.As international standard
6.Good quality and prompt deliver

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