Production process of traceless underpants

The invention discloses a production process of traceless underpants, which belongs to the technical field of underpants manufacturing and comprises the following steps of cutting, primary limiting, secondary limiting, gluing, primary bonding, reinforcing and shaping and secondary bonding. According to the production process of the seamless underpants, the folding positions and degrees of the waist and the legs of the underpants cloth are limited, manual gluing, folding and bonding are not needed, errors of processing positions are reduced, the product quality is improved, and the processing convenience and the processing efficiency are improved. 本发明公开一种无痕内裤的生产工艺，属于内裤制造技术领域，包括以下步骤：裁切、初步限位、二次限位、涂胶、一次粘合、加固定型、二次粘合。本发明的一种无痕内裤的生产工艺，内裤布料的裤腰和裤腿处的翻折位置和程度均会受到限制，且不需要人工进行涂胶和翻折以及粘合，减少加工位置的误差，增加产品的质量，提高加工便利性和加工效率。