Tungsten Boring Bar and Tungsten Bucking Bar
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- Category: Tungsten Information
- Published on Tuesday, 08 October 2013 10:14
- Written by Cher
- Hits: 1695
Tungsten heavy metal boring bars are manufactured in sintered or polished alloys of 90%-95% tungsten with a nickel-copper-iron-moly matrix. These alloys are very similar to tungsten-carbides but the chemical composition is developed differently to reduce embrittlement. The high density (twice as heavy as steel) and tensile strength (110 kpsi) of this alloy makes the ideal combination for chatter free tools and supper chatter free tools. Heavy metal boring bars greatly enhance boring application by absorbing vibration and drastically reduce chatter, enabling to machine deeper bores with greater precision and finish.
Tungsten heavy alloy bucking bars are denser than steel, resulting in a bucking bar of the same weight but half the size. Bucking bars are used in rivet setting to upset the shank of the rivet. Tungsten Heavy Alloy bucking bars reduce the recoil when reflecting the impact back to the rivet shank.
Tungsten Bucking Bar Manufacturer & Supplier: Chinatungsten Online - http://www.buckingbar.cn
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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Bucking Bar Knowledge
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- Category: Tungsten Information
- Published on Tuesday, 08 October 2013 10:08
- Written by Cher
- Hits: 1576
A bucking bar is used to form the shop head of a rivet. It is held against the shank of a rivet and as the rivet gun bangs on the factory head the bar 'bucks' against the shop head causing the metal to deform. That deformation mushrooms the shank forming the shop head. There are many shapes, sizes, and weights of bucking bars. Many are shaped and sized for special-purpose (generally difficult) situations. Pictured is a typical set of bucking bars.
Tungsten Bucking Bar Manufacturer & Supplier: Chinatungsten Online - http://www.buckingbar.cn
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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Properties of Silicon Carbide
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- Category: Tungsten Information
- Published on Monday, 30 September 2013 18:04
- Hits: 1648
SiC is a ceramic material with an outstanding hardness, only surpassed by diamond, cubic boron nitride and boron carbide. The material is highly wear resistant and chemically inert to all alkalies and acids. It is also highly heat resistant. These properties makes Silicon Carbide an outstanding abrasive and ceramic material to be used under extreme operating conditions.
• Density: 3.21 g/cm3
• Vickers hardness: 29 GPa
• Coefficient of Thermal expansion: 5·10-6/K
• Thermal conductivity: 50 to 100 W/m K
• Typical temperature resistance: 1500°C in air, 2400°C in inert atmosphere
• Specific heat: 750 J/kg K
Tungsten Carbide Manufacturer & Supplier: http://www.tungsten-carbide.com.cn
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The Advantage of Tungsten Bucking Bars
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- Category: Tungsten Information
- Published on Tuesday, 08 October 2013 09:46
- Written by Cher
- Hits: 1664
The tungsten bucking bars are designed to significantly reduce vibration and provide greater comfort for the operator. These bars are up to twice as heavy as their ductile iron counterparts. Results have shown that using Tungsten bars is far superior to ductile iron and helps to reduce carpel tunnel syndrome. All edges are burr-free and all surfaces are polished to provide superb riveting results.
Tungsten Bucking Bar Manufacturer & Supplier: Chinatungsten Online - http://www.buckingbar.cn
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
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HQ-9 & Tungsten Alloy Swaging Rod
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- Category: Tungsten Information
- Published on Monday, 30 September 2013 17:52
- Hits: 1671
Tungsten alloy swaging rod is made of tungsten alloy rod through calcinations. The normal method used in the processing are extruding, forging and sintering. After calcinations, tungsten alloy swaging rod has higher ductility, toughness and tensile strength than tungsten alloy rod, so it can be used for a longer time. Tungsten alloy swaging rod has been widely used by HQ-9.
The HQ-9 is China’s new generation medium- to long-range, active radar homing air defence missile.
The land-based HQ-9 system has an anti-radiation variant, known as the FT-2000 for export. The export designation for air defense version is FD-2000 (with FD stands for Fang Dun, meaning defensive shield), and its developer China National Precision Machinery Import and Export Corporation (CPMIEC) first made it public at the Africa Aerospace and Defence Exhibition held at Cape Town in March 2009. In September 2013 the HQ-9 submitted by CPMIEC won Turkey's T-LORAMIDS program to co-produce 12 long range air defense systems.
With the high hardness and high density of tungsten alloy swaging rod, HQ-9 has good antiaircraft performance. It can be also used to defense cruise missile.
Tungsten Heavy Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
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Email: sales@chinatungsten.com
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