RFQJ-400/500L熱收縮膜圓弧袋制袋機RFQJ-400/500L hot contraction membrane circular arc bag bag-making machine               用途及特點： 用于將卷筒熱收縮塑料薄膜制成圓底平口袋，或無底邊平底平口袋（需換封刀）。采用步進電機送料，配合操作簡單的微電腦數值控制器，以數字按鍵，能在數秒鐘內變換不同的長度。毛邊廢料自動切掉吹出，成品一次完成。Uses and feature:The machine is used to shrink plastic film to flat bag made of round bottom or flat bottom level without pockets（required for sealing knife） Uses step-by-steps the electrical machinery feeding, the coordination simplicity of operator the microcomputer, the value controller, by the digital pressed key, can in several second inner conversion different lengths, save the manpower and resources .The fragments waste material is separated from automatically cuts away, end product one time completes.