In order to increase productivity of flexible packaging plastic bag making machine ,save energy and reduce emission ,a three-row bag making technical method is proposed .According the optimized design of the institutions and electrical control ,a high efficiency and energy saving three-row-middle-envelope plastic bag making machine is developed in this paper , which running speed reaches 36 000 p/h and yield exceed 99 .6%.Compared with the double-row-middle-envelope plastic bag making machine ,the three-row-middle-en-velope plastic bag making machine not only increases the bag making efficiency 50%,but also reduces energy consumption by 33 %.%针对塑料软包装袋制袋机需不断提高制袋效率、节能减排的要求,提出采用三列制袋模式提高制袋效率和降低产品能耗的技术方案,通过机构和电气控制优化设计,研制出三列中封全自动制袋机,其制袋能力达36000袋/h,成品率超过99.6%,与双列中封制袋机相比,制袋速率提高50%,单位产品能耗降低33%。
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