Method for cladding steel rail with alloy without cooling rate control
A cladding alloy and speed control technology, which is applied in the field of rail cladding, can solve problems such as limited use, low temperature in winter, and slow construction speed, so as to improve corrosion resistance and wear resistance, and improve wear resistance and corrosion resistance performance, protection of wear resistance and corrosion resistance
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[0057] Example 1
[0058] A rail cladding alloy method without cooling speed control, comprising the following steps:
[0059] a. The rail cladding machine is placed on the rail, the plasma welding torch 10 on the rail cladding machine moves at a constant speed with the first moving trolley 1, and the plasma welding torch 10 is cladding alloy above the to-be-clad portion of the rail head tread;
[0060] b. The alloy strip formed by cladding alloy is located on the inner side of the center of the rail head tread, the width of the alloy strip is 4mm, and the thickness of the heat affected zone of the rail is controlled at 0.3mm;
[0061]c. Arrange the flame head 20 on the rail cladding machine above the alloy strip after cladding; use the mixed gas formed by liquefied gas and oxygen as the heating gas source, and mix the liquefied gas and oxygen directly on the flame head 20; cladding After the alloy strip was left standing for 2 seconds, the flame head 20 was moved along the X...
Example Embodiment
[0064] Example 2
[0065] A rail cladding alloy method without cooling speed control, comprising the following steps:
[0066] a. The rail cladding machine is placed on the rail, the plasma welding torch 10 on the rail cladding machine moves at a constant speed with the first moving trolley 1, and the plasma welding torch 10 is cladding alloy above the to-be-clad portion of the rail head tread;
[0067] b. The alloy strip formed by cladding alloy is located on the inner side of the center of the rail head tread, the width of the alloy strip is 10mm, and the thickness of the heat affected zone of the rail is controlled at 1mm;
[0068] c. Arrange the flame head 20 on the rail cladding machine above the alloy strip after cladding; use the mixed gas formed by liquefied gas and oxygen as the heating gas source, and mix the liquefied gas and oxygen directly on the flame head 20; cladding After the alloy strip was left standing for 20 seconds, the flame head 20 was moved at a const...
Example Embodiment
[0070] Example 3
[0071] A rail cladding alloy method without cooling speed control, comprising the following steps:
[0072] a. The rail cladding machine is placed on the rail, the plasma welding torch 10 on the rail cladding machine moves at a constant speed with the first moving trolley 1, and the plasma welding torch 10 is cladding alloy above the to-be-clad portion of the rail head tread;
[0073] b. The alloy strip formed by cladding alloy is located at the inner side of the center of the rail head tread, the width of the alloy strip is 15mm, and the thickness of the heat affected zone of the rail is controlled at 1.5mm;
[0074] c. Arrange the flame head 20 on the rail cladding machine above the alloy strip after cladding; use the mixed gas formed by liquefied gas and oxygen as the heating gas source, and mix the liquefied gas and oxygen directly on the flame head 20; cladding After the alloy strip was left standing for 40 seconds, the flame head 20 was moved at a con...
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