Plasma arc cladding repairing method of coupling half inner bore
A semi-coupling and plasma arc technology, which is applied in the field of repairing the inner hole of the semi-coupling, can solve the problems of increased production cost, unbalanced inertial force and moment of inertia, and large transmission load, so as to reduce the consumption of alloys, The effect of reducing the friction coefficient and prolonging the service life
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Embodiment 1
[0023] First, disassemble and disassemble the half-coupling equipment, mark, clean the workpiece, measure the size, determine the wear position and wear amount of the inner hole of the half-coupling, check the radial and end runout of the inner hole of the half-coupling, and carry out Damage inspection, according to the test results, remove 1mm of the wear fatigue layer in the inner hole of the half-coupling to expose a new processing surface; use magnetic particle inspection and ultrasonic flaw detection to ensure that the half-coupling has no surface and internal crack defects; it will be prepared in proportion The Ni55 and WC alloy powders were put into a mechanical powder mixer and fully mixed, and the powder mixing time was 2 hours to obtain Ni55 and WC mixed alloy powders, wherein the mixing ratio of the alloy powders was: the Ni55 alloy powder accounted for 90% of the total mass, WC alloy powder accounts for 10% of the total mass; mix Ni55 and WC mixed alloy powder with ...
Embodiment 2
[0025] First, disassemble and disassemble the half-coupling equipment, mark, clean the workpiece, measure the size, determine the worn parts and wear amount of the inner hole of the half-coupling, and check the radial and end runout of the inner hole of the half-coupling. Carry out damage inspection, and remove 2mm of the wear fatigue layer in the inner hole of the half-coupling according to the test results to expose a new processing surface; use magnetic particle inspection and ultrasonic flaw detection to ensure that the half-coupling has no surface and internal crack defects; The prepared Ni55 and WC alloy powders were put into a mechanical powder mixer and mixed fully. The powder mixing time was 1.5 hours to obtain Ni55 and WC mixed alloy powders. The mixing ratio of the alloy powders was: Ni55 alloy powder accounted for 95% of the total mass , WC alloy powder accounts for 5% of the total mass; mix the mixed alloy powder and white latex at a weight ratio of 18:1, stir even...
Embodiment 3
[0027]First, disassemble and disassemble the half-coupling equipment, mark, clean the workpiece, measure the size, determine the worn parts and wear amount of the inner hole of the half-coupling, and check the radial and end runout of the inner hole of the half-coupling. Carry out damage inspection, and remove 1mm of the wear fatigue layer in the inner hole of the half-coupling according to the test results to expose a new processing surface; use magnetic particle inspection and ultrasonic flaw detection to ensure that the half-coupling has no surface and internal crack defects; The prepared Ni55 and WC alloy powders were fully mixed in a mechanical powder mixer, and the mixing time was 2 hours to obtain Ni55 and WC mixed alloy powders, wherein the mixing ratio of the alloy powders was: Ni55 alloy powder accounted for 92% of the total mass , WC alloy powder accounts for 8% of the total mass; mix the mixed alloy powder and white latex at a weight ratio of 18:1, stir evenly, and ...
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