Fan casing assembly welding method and tool for fan casing assembly welding method
A technology of a fan casing and a processing method, applied in welding equipment, welding equipment, auxiliary welding equipment and other directions, can solve the problems of difficult protection of the blade body, large dimensional error, and excess of the back of the welding seam, and achieves significant protection effect and welding process. Stable and controllable effect
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[0044] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0045] Such as Figure 1~4 As shown, a welding processing method for a fan casing assembly specifically includes the following steps:
[0046] Step 1: Preparation before welding
[0047] Gather all the components of the fan casing assembly: outer ring 1, blade 2 and inner ring 3, the diameter of outer ring 1 is reserved for 1.2mm, and the deformation of outer ring 1 is reserved for welding; outer ring 1, blade 2 and inner ring 1 The ring 3 is pickled to remove the oxide layer; the outer ring 1 and the inner ring 3 are fixed on the welding fixing tool, and then the blades 2 are assembled on the inner and outer rings one by one to form a fan case assembly;
[0048] The process of fixing the outer ring 1 and the inner ring 3 on the welding fixture: place the inner ring 3 on the support ring 13, cover the step 31 of the inner ring 3 wit...
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