The invention relates to a manufacturing method of a spiral spring and a variable-pitch spiral spring, and the manufacturing method of the spiral spring at least comprises the following steps: S1, stacking at least two continuous fiber prepreg sheets according to + 45 degrees and-45 degrees, and cutting the continuous fiber prepreg sheets into a preset size to obtain a roll material; s3, inserting an iron wire into the hollow pipe to manufacture a reel; s5, the reel is placed on the roll material by 180 degrees, pipe rolling is carried out, and after pipe rolling is completed, the iron wire is pulled out of the hollow pipe to obtain a preformed body; s7, the preformed body disc is attached to the inner mold, and the outer mold covers the preformed body disc; and S9, after the preformed body is cured, demolding is conducted, and a finished product is taken out.
本发明涉及一种螺旋弹簧的制造方法和变节距螺旋弹簧,所述螺旋弹簧的制造方法包括至少如下步骤:S1、将至少两片连续纤维预浸料片按+45°和‑45°叠放,并裁剪成预设尺寸以得到卷料;S3、将铁丝插入空心管中制作卷轴;S5、将所述卷轴按180°置于所述卷料上,进行卷管,卷管完成后,将所述铁丝从所述空心管中抽出以得到预成型体;S7、将所述预成型体盘附在内模具上,覆盖外模具;S9、待所述预成型体固化后,脱模取出成品。
Method for manufacturing coil spring and variable pitch coil spring
螺旋弹簧的制造方法和变节距螺旋弹簧
2022-08-09
Patent
Elektronische Ressource
Chinesisch
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