bucking bars in general and more particularly to a tool which has a longer serviceable life, an appreciably lower fatigue factor and a lower decibel shock and vibration rating in use.

The bucking bars of this include two principal parts separated by a low-recoil impact-resistant urethene plastic member, to absorb the shock load and minimize vibrational effects which contribute to the otherwise high-decibel rating of the tool. They are fastened together by means that allow some relative movement between them but keeps the cushioning member in contact with both parts at all times.

In one of the preferred forms, the handle part is formed with an undercut notch towards the toolhead and the latter is formed for engagement therein so that both axial and lateral thrust loads are absorbed in the tool. This particular tool is also reversible in that the end of the handle part is also formed for taking an impact load and the head end may be used as the handle.

Another form  includes mating cylindrical parts with a blind end separated to absorb the shock load.

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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. Tungtsen alloy swaging rod can be used for 9K11 Malyutka.

The 9K11 Malyutka is a manual command to line-of-sight (MCLOS) wire-guided anti-tank guided missile system developed in the Soviet Union. It was the first man-portable anti-tank guided missile of the Soviet Union and is probably the most widely produced ATGM of all time—with Soviet production peaking at 25,000 missiles a year during the 1960s and 1970s. In addition, copies of the missile have been manufactured under various names by at least five countries.

With the high density and high hardness, tungsten alloy swaging rod is widely used for 9K11 Malyutka to penetrate amor and destroy target.



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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. Tungtsen alloy swaging rod can be used for HJ-9.

The HJ-9 is an advanced, third-generation anti-tank missile system deployed by the People's Liberation Army.

The missile was developed by Norinco, and one of the chief designers was Yang Chunming. It is similar in appearance to the Israeli MAPATS (man portable anti-tank system), causing speculation about the link between the two missiles. It is also similar to the South African Ingwe antitank missile, and like its Israeli and South African counterparts, its guidance is laser-beam-riding.

With the high density and high hardness, tungsten alloy swaging rod is widely used for HJ-9 to destroy amor vehicles and bunkers.



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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. Tungtsen alloy swaging rod is widely used in HJ-8.

The HJ-8 or Hongjian-8 is a second generation tube-launched, optically tracked, wire-guided anti-tank missile system which was originally deployed by the People's Liberation Army since the late 1980s. Pakistan produces this missile system under licence as the Baktar-Shikan at Kahuta Research Laboratories. It is able to defeat explosive reactive armour (ERA).

With the high density and high hardness, tungsten alloy swaging rod is widely used for HJ-8 to destroy amor vehicles and bunkers.


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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. Tungtsen alloy swaging rod is widely used in HJ-10.

HJ-10  is a series of indigenously developed and highly classified (as of 2011) Chinese anti-helicopter / anti-tank missiles, they are the primary weapon of the CAIC WZ-10 attack helicopter. Many sources have claimed that this little-known missile is the Chinese equivalent of the AGM-114 Hellfire, although the details of the actual performance of the HJ-10 have yet to be released officially by the Chinese government or other credible sources to confirm such claims. Several derivatives of the HJ-10 have also been developed by China, they are all believed to be in limited service with the Chinese military for evaluation purposes.

With the high density and high hardness of tungsten alloy swaging rod, HJ-10 can destroy tanks, helicopters or bunkers.



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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. Tungtsen alloy swaging rod is widely used in MSS-1.2.

MSS-1.2 is a Brazilian personal missile launch system with laser guidance used for close-range fighting. It is the standard personal missile launch system of the Brazilian army and marine corps. The MSS 1.2 has a range of 500 to 3,000 m and can be used against tanks, armoured vehicles, infantry, bunkers, small buildings, boats, aircraft, and helicopters.

The missile is equipped with a warhead type hollow charge and a two-stage propulsion system. Guidance is performed by a laser beam projected by the fire control system. Similar in performance to the Russian 9M123 Khrizantema, it is meant to compete with other next generation missiles. The MSS-1.2 was designed to deal with current and future armored threats such as Russian T-90, American M-1 Abrams and British Challenger 2 tanks, but can also be used against low-altitude aircraft such as helicopters and unmanned aerial vehicles. It has successfully breached more than six meters of concrete in tests carried out by the Brazilian army.

Tungsten alloy swaging rod has high density and high hardness. So MSS-1.2 used tungsten alloy swaging rod as its warhead to penetrate armor or destroy bunker.



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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. Tungtsen alloy swaging rod is widely used in Shershen.

The Shershen is a Belarussian third generation anti-tank guided missile (ATGM) that is designed to defeat modern armored vehicles, protected objects (such as bunkers, pillboxes, earth-and-timber emplacements) and low-speed low-altitude targets (helicopters, UAVs). Being a logical extension of the ATGM "Skif", "Shershen" beats it in technologies level, as well as implements engineering solutions that are unique among the others.

Tungsten alloy swaging rod has high density and high hardness. So Shershen used tungsten alloy swaging rod as its warhead to penetrate armor.



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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. Tungtsen alloy swaging rod is widely used in Mathogo.

The Mathogo is an Argentine wire-guided anti-tank missile developed by CITEFA to supplement and eventually replace the Argentine 105-mm recoilless rifles. In design it is similar to the Swedish BANTAM by Bofors - which is reported to have been bought in limited numbers for the Argentine Marine Corps - only slightly larger and with a pointed nose section with the first versions. Some news report photo captions have even mistaken it for the BANTAM. Development was completed in the late 1970s and various reports have stated that it is no longer in production.

With tungsten alloy swaging rod, Mathogo can penetrate armor easily and destroy armor vehicles.



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A microwave oven magnetron rhenium- tungsten electrode preparation yttrium specific embodiment of invention, 1

Yttrium tungsten rhenium microwave oven magnetron electrode preparation tungsten rhenium invention yttrium A microwave oven magnetron electrode which count the composition comprises by weight percentage of 1% yttrium , rhenium were 0.1 %, 0.5 %, 2% , the balance of tungsten ; microwave oven magnetron cathode yttrium tungsten rhenium spring-like structure , an outer diameter of 2.4mm, diameter of 0.3,0.5 mm.

A microwave oven magnetron rhenium- tungsten electrode preparation yttrium specific embodiment of invention, 2

Yttrium tungsten rhenium microwave oven magnetron electrode preparation process invention yttrium microwave oven magnetron electrode tungsten rhenium component comprises by weight percentage calculated yttrium were 0.3 %, 0.8 %, 2.5 %, 3% , 1% rhenium , tungsten than volume .

Yttrium tungsten rhenium microwave oven magnetron electrode preparation process a preferred value: 0.6 2% yttrium , 0.5 % rhenium , tungsten margin, its performance is more prominent.

Yttrium tungsten rhenium microwave oven magnetron electrode preparation 0.1-2 invention, rhenium , yttrium, 0.3 3 % weight percent of tungsten, and the balance of the processing conditions of the present invention will have an important condition for optimum performance , to obtain the good results.

Through the above process technologies , the impurity content of the alloy material decrease , while dramatically reducing metallic stress and stress , improve the strength and ductility of the material .

Described above is only a microwave oven magnetron rhenium tungsten electrode preparation yttrium preferred embodiment of the invention , it should be noted that for those of ordinary skill in the creation of the present invention without departing from the concept of the premise, but also certain modifications and improvements may be made , which are part of the scope of the present invention .


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Microwave oven magnetron rhenium tungsten electrode and preparation of yttrium process of the invention over the prior art , with the following innovations :

1, The alloys were prepared by the wet mixture , the yttrium , tungsten fully mixed to ensure uniformity of subsequent grains .

2, The alloy powder was purified using temperature programming process , taking advantage of the melting point of the impurity components sufficiently different makes gasification melting impurities , reducing the amount of impurities in the alloy powder to improve the material strength and ductility.

3 , With the second vertical melt , prior to crystallization of the alloy powder with a high temperature above 2000 ℃ to remove impurities in metals , reduce the impurities in the metal alloy powder content, improve the strength and ductility.

4,The alloy material for the cooling process using alumina powder insulation, the cooling process is slow , substantially reduce the stress of the material , thereby improving the strength of the alloy and plastic .

5 , Using a long process of drawing furnace , divided 3 temperature of the heating from low to high temperatures and then using a parabolic cooling process control , the purpose is to remove excessive stress due to metal
Large induced defects :

a, Deformation Poor ; b, Grain boundary Poor Adhesion ;

c, The deformation of poor stability thereby increasing the wire size and error , which also led to the rough material and ultra tolerances. Directly affect the yield and quality of materials , and now the drawing process can make the grain fiber uniformity within the product structure , seismic strengthening , re-processing performance, size tolerances .


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