Part and through-hole one-stage forming method in resin base composite material hot-pressed formation
A composite material and hot-press forming technology, which is applied in the field of through-hole forming to achieve the effect of improving production efficiency
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Embodiment 1
[0056] Prepare the workpiece 1 and the configuration of the A through hole 11 on the workpiece as shown in FIG. 1 .
[0057] The product 1 is a plate structure with a plurality of A through holes 11, the thickness h is 2 mm, the diameter d of the A through holes 11 is 16 mm, and the number of A through holes 11 is 21.
[0058] The first step: according to the shape of the part 1 and the number n of through holes 11 on the part A, the layout m, and the diameter d, design the outer dimensions of the upper and lower molds, the first, second and third templates, and the cone column;
[0059] Wherein, the thickness of the upper mold 71 is 13.5mm, and the diameter of the blind hole is 16mm; the thickness h of the first template 2 1 2mm, B through hole 21 diameter d 1 is 15.5mm; the thickness h of the second template 3 2 3mm, c through hole 31 diameter d 2 is 21mm; the thickness h of the third template 4 3 5mm, D through hole 41 diameter d 3 is 16.5mm; the thickness of the lower...
Embodiment 2
[0069] As shown in Figure 5, the workpiece is a trapezoidal structure with multiple through holes, with a thickness of 3 mm. There are 91 through holes in the middle and side surfaces, with a diameter of 20 mm. There are 7 connecting holes on each side, with a diameter of 8 mm. .
[0070] Step 1: According to the shape of the part and the number, layout and diameter of the through holes on the part, design the outer dimensions of the upper and lower molds, the first, second and third templates, and the cone column;
[0071] Wherein, the diameter of the through hole in the middle surface and the side of the upper mold 71 is 20mm, and the diameter of the through hole on both sides is 8mm; the thickness h of the first template 2 1 3mm, the diameter of the through hole in the middle surface and side surface d 1 18.5mm, the diameter of the through hole on both sides is 6.5mm; the thickness of the second template 3 is 3mm, the diameter of the through hole in the middle surface and ...
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