A calibrating device and calibrating method for a superalloy open case
A technology of paired open case and high-temperature alloy, which is applied in the field of large open case processing, can solve the problems of plastic deformation of the case and difficulty in forming a good calibration effect of the case, so as to simplify the difficulty, enhance the rigidity, and solve the problems of technological development puzzle effect
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Embodiment 1
[0076] The first external shape correction ring 4 is a ring structure, and the inner side of the end face is provided with a spigot, and the diameter of the spigot is the same as the outer circle of one end of the mounting edge of the opening case. There is a gap of 0.5mm; the end face of the first shape correction ring 4 is provided with a wedge-shaped square groove; the material is austenitic stainless steel 1Cr18Ni9Ti.
[0077] The second external shape correction ring 5 is an annular structure, and there is a spigot on the end face of one side, and the diameter of the spigot is the same as the outer circle of the other end of the mounting edge of the opening case. There is a gap of 0.6 mm; the end face of the second shape correction ring 5 is provided with a wedge-shaped hole, and its material is austenitic stainless steel 1Cr18Ni9Ti.
[0078] The height of mandrel 1 is the same as that of the opening case. There are 8 groups of evenly distributed threaded holes on the o...
Embodiment 2
[0095] Step 1, detect the corresponding size of the left and right halves of the open case is the upper end The theoretical value is 657mm, the measured value is 656.2mm, 656.4mm, the lower end The theoretical value is 673.5mm, and the measured values are 673.38mm and 673.2mm.
[0096] Step 2: Detect the diameter of the specified position of the paired casing in the direction of 90° to the joint surface, and calculate the approximate ellipticity of the part. The corresponding dimensions of the detection paired open box are: upper end The theoretical value is 657mm, the measured value is 657mm, the lower end The theoretical value is 673.5mm, the measured value is 673.96mm, and the ellipticity of the part is 0.8mm~1mm.
[0097] Step 3: Use the shape correction ring to calibrate the two halves of the open case, and ensure that the lip end face of the correction ring fits closely with the upper and lower end faces of the open case.
[0098] Step 4: Place the paired open ...
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