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Measuring device and measuring method for argon tungsten-arc welding arc force

A technology of argon tungsten arc welding and measuring device, which is applied in the field of arc, can solve the problems of arc influence and cannot reflect the interaction relationship, etc., and achieves the effect of avoiding electromagnetic field interference, real measurement results, and improving limitations.

Inactive Publication Date: 2015-06-17
LIAONING TECHNICAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Glass tube barometer measurement generally uses a water-cooled copper plate with holes as a test block, which not only cannot reflect the relationship between the actual welding material and the arc, but also has a certain impact on the arc due to small holes

Method used

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  • Measuring device and measuring method for argon tungsten-arc welding arc force
  • Measuring device and measuring method for argon tungsten-arc welding arc force
  • Measuring device and measuring method for argon tungsten-arc welding arc force

Examples

Experimental program
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Effect test

Embodiment 1

[0044] Example 1 Welding arc force test of argon tungsten arc welding

[0045] The test supporting plate 3 is made of Q235 steel plate, the welding parameters of argon tungsten arc welding are shown in Table 1, and the elastic stiffness of the spring 7 is selected as 0.1N / mm.

[0046] Table 1 Welding parameters of argon tungsten arc welding

[0047] Welding current

[0048] The distance L between the scale 18 and the axis of the bearing rod 14 is 3m. Place the test block 17 on the pallet 3, add a weight (counterweight 2) in the counterweight groove 102 and adjust the relative position between the slideway 101 and the linear bearing 13 to bring the balance board 1 to a balanced state, and measure l 1 300mm, l 2 is 600mm. Record the reading A on scale 18 at this time 1 It is 153mm. Turn on the argon tungsten arc welding power supply, adjust the welding parameters for welding. Start reading when the cross laser on the scale 18 tends to be stable, and record the ...

Embodiment 2

[0049] The test supporting plate 3 is made of Q235 steel plate, the welding parameters of argon tungsten arc welding are shown in Table 1, and the elastic stiffness of the spring 7 is selected as 0.1N / mm. The main component of the active agent is TiO 2 ,Cr 2 o 3 ,ZrO 2 and CaF 2 Wait. Before the test, the active agent powder was mixed into a solution with acetone, and then evenly coated on the support plate 3 with a flat brush, and the uniformity of the coating was ensured as much as possible during the coating process. In the test L, l 1 , l 2 All unchanged, the device is in a balanced state by the counterweight 2. The initial reading A on the scale 18 at this time 1 It is 153mm. Turn on the argon tungsten arc welding power supply, adjust the welding parameters for welding. Start reading when the cross laser on the scale 18 becomes stable, and record the reading A at this time 2 It is 224mm. From tanδ=(Δ) / L, tanδ=Δ′ / l 1, The variation Δ' of the spring is obtained...

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Abstract

The invention discloses a measuring device and a measuring method for argon tungsten-arc welding arc force, and belongs to the technical field of arcs. The measuring device comprises a balance plate, a balancing weight, a support plate, an asbestos heat insulating piece, fixing bolts, a cross-shaped laser, a spring, a limiting rod, a fixing clamp, a level bubble, bearing seats, deep groove ball bearings, linear bearings, a bearing rod, a support frame and a scaleplate. The measuring device is mainly used for measuring the arc force of argon tungsten-arc welding and the measuring method based on the argon tungsten-arc welding, and can achieve the measurement of welding arc force of common metal materials. The measuring principle is based on the lever law and the Hooke law, the measuring process is simple and easy to do, and the measuring error small. According to the measuring device and the measuring method for the argon tungsten-arc welding arc force, the arc force generated by the metal materials and the arcs under the interaction can be truly reflected; the limitation that a water-cooled copper plate with small holes is used as a measuring block is improved, and the measuring result is more real; meanwhile, the interference of an electromagnetic field is avoided when a sensor is used for measuring.

Description

technical field [0001] The invention belongs to the field of electric arc technology and is applied to analyzing the comprehensive action of argon tungsten arc welding arcs, in particular to a device and method for testing arc force of argon tungsten arc welding. Background technique [0002] Gas tungsten arc welding is suitable for welding most metals and alloys. Metals and alloys that can be welded by argon tungsten arc welding include carbon steel, alloy steel, stainless steel, heat-resistant alloys, refractory metals, aluminum alloys, magnesium alloys, Beryllium alloy, copper alloy, nickel alloy, titanium alloy and zirconium alloy, etc., and the welding quality is high. With the requirements of production and practice, on the basis of argon tungsten arc welding, pulse argon arc welding and active argon arc welding have also been rapidly applied. The physical characteristics of the arc have a non-negligible impact on the quality and shape of the weld. Among them, the st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/167B23K9/095
Inventor 马壮时海芳张勇安亚君
Owner LIAONING TECHNICAL UNIVERSITY
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