A production process of stack rolling wide thin plate
A production process and thin plate technology, applied in metal rolling, manufacturing tools, metal rolling, etc., can solve the problems of high curvature of wide and thin plates, large plate protrusion, etc., to solve the large fluctuation of welding depth, prevent processing deformation, The effect of improving quality
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Embodiment 1
[0032] This embodiment provides a production process for stacked wide thin plates, which specifically includes the following steps:
[0033] Step 1: Select the billet, select the billet with hydrogen content of 2ppm to open the billet to 75mm, the blank board technology requires that the difference between the same board is 0.18mm, and when the measured length is 1m, its unevenness is 2.5mm, and then the billet board Fire cut to length;
[0034] Step 2: Mill the pre-determined slab, and control the milling depth and speed during the milling process. Specifically, the cutting depth of the milling depth is 2.5mm, the feed rate is 700mm / min, and the milling direction must be reciprocated along the same axis;
[0035] Step 3: Make a groove on the surface of the lower billet with a groove depth of 2mm, spray a release agent in the groove, bake the billet with a 200°C hot billet, and dry the release agent;
[0036] Step 4: Align and combine the baked lower blank and upper blank, an...
Embodiment 2
[0044] A kind of stack rolling wide sheet production process, specifically comprises the following steps:
[0045]Step 1: Select the billet, select the billet with hydrogen content of 2ppm to open the billet to 80mm, the blank board technology requires that the difference between the same board is 0.15mm, and when the measured length is 1m, its unevenness is 2mm, and then the billet board is fired Cut to length;
[0046] Step 2: Mill the pre-measured slab, and control the milling depth and speed during the milling process. Specifically, the cutting depth of the milling depth is 2.2mm, the feed rate is 740mm / min, and the milling direction must be reciprocated along the same axis;
[0047] Step 3: Make a groove on the surface of the lower billet with a groove depth of 1.5mm, spray a release agent in the groove, bake the billet with a 180°C hot billet, and dry the release agent;
[0048] Step 4: Align the baked lower billet with the upper billet, and weld the composite billet by...
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