The technology of repairing the pit of aircraft titanium alloy slide rail by argon arc welding
A process method and argon arc welding technology, applied in metal processing, arc welding equipment, metal processing equipment and other directions, can solve the problems of affecting the fatigue performance of the slide rail, and it is not suitable for stress relief annealing treatment, so as to reduce the cost of aircraft use and maintenance, The effect of low cost of materials and equipment, easy operation and implementation
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Embodiment 1
[0029] Embodiment 1: A method for repairing pits of TC18 titanium alloy slide rails by argon arc welding.
[0030] Titanium alloy slide rails to be repaired,
[0031] 1. Confirmation of pit defects on aircraft titanium alloy slide rails
[0032] The aircraft titanium alloy slide rail is made of TC18 titanium alloy through precision forging + vibration strengthening. After the two overhaul cycles of the aircraft, due to long-term use, various pressure pit failures occurred on the working surface and side limit surface of this type of slide rail. The indentation depth of the working surface of the slide rail is generally 0.05mm~0.15mm, and the maximum depth of individual indentations is 0.3mm. 0.95mm.
[0033] (1) Measurement records, check and record the number of the slide rail, use a vernier caliper to measure the depth of the indentation and make a mark and record;
[0034] (2) Clean the surface before repairing. When grinding, firmly clamp the cork block on the slide ra...
Embodiment 2
[0039] Embodiment 2: A method for repairing pits of TC18 titanium alloy slide rails by argon arc welding.
[0040] Titanium alloy slide rails to be repaired,
[0041] 1. Confirmation of pit defects on aircraft titanium alloy slide rails
[0042] The aircraft titanium alloy slide rail is made of TC18 titanium alloy through precision forging + vibration strengthening. After the two overhaul cycles of the aircraft, due to long-term use, various pressure pit failures occurred on the working surface and side limit surface of this type of slide rail. The indentation depth of the working surface of the slide rail is generally 0.05mm~0.15mm, and the maximum depth of individual indentations is 0.3mm. 0.95mm.
[0043] (1) Measurement records, check and record the number of the slide rail, use a vernier caliper to measure the depth of the indentation and make a mark and record;
[0044] (2) Clean the surface before repairing. When grinding, firmly clamp the cork block on the slide ra...
Embodiment 3
[0049] Embodiment 3: A method for repairing pits of TC18 titanium alloy slide rails by argon arc welding.
[0050] Titanium alloy slide rails to be repaired,
[0051] 1. Confirmation of pit defects on aircraft titanium alloy slide rails
[0052] The aircraft titanium alloy slide rail is made of TC18 titanium alloy through precision forging + vibration strengthening. After the two overhaul cycles of the aircraft, due to long-term use, various pressure pit failures occurred on the working surface and side limit surface of this type of slide rail. The indentation depth of the working surface of the slide rail is generally 0.05mm~0.15mm, and the maximum depth of individual indentations is 0.3mm. 0.95mm.
[0053] (1) Measurement records, check and record the number of the slide rail, use a vernier caliper to measure the depth of the indentation and make a mark and record;
[0054] (2) Clean the surface before repairing. When grinding, firmly clamp the cork block on the slide ra...
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