{"id":4462,"date":"2026-07-26T14:22:48","date_gmt":"2026-07-26T14:22:48","guid":{"rendered":"https:\/\/sunlayauto.com\/?post_type=product&#038;p=4462"},"modified":"2026-08-08T11:58:37","modified_gmt":"2026-08-08T11:58:37","slug":"automatic-square-bottom-paper-bag-making-machine","status":"publish","type":"product","link":"https:\/\/sunlayauto.com\/zh\/product\/automatic-square-bottom-paper-bag-making-machine\/","title":{"rendered":"Automatic Square Bottom Paper Bag Making Machine"},"content":{"rendered":"<h2>Automatic Square Bottom Paper Bag Making Machine<\/h2>\n<p><strong>Automatic square bottom paper bag making machine<\/strong> is designed for continuous conversion of paper rolls into flat-bottom paper bags. The FDD configuration should be selected after confirming the paper type, bag size, printing requirement and finished packaging application.<\/p>\n<p>The FDD automatic square bottom paper bag making machine converts plain or printed paper rolls into finished flat-bottom paper bags in one continuous process. It is suitable for kraft paper, food-grade paper and other paper rolls, producing environmentally friendly bags for snacks, bread, dried fruit and other packaging applications.<\/p>\n<h3>Complete Bag-Making Process<\/h3>\n<ul>\n<li>Automatic center gluing<\/li>\n<li>Printed bag registration tracking<\/li>\n<li>Paper roll feeding and constant-tension unwinding<\/li>\n<li>Fixed-length cutting<\/li>\n<li>Bottom creasing and bottom folding<\/li>\n<li>Bottom gluing and square-bottom forming<\/li>\n<li>Finished bag collection<\/li>\n<\/ul>\n<h3>Core Machine Features<\/h3>\n<ul>\n<li>French SCHNEIDER touchscreen HMI for clear and convenient operation<\/li>\n<li>German REXROTH motion controller with EtherCAT high-speed bus for stable high-speed production<\/li>\n<li>German REXROTH servo motors and German SICK photoelectric registration sensor for accurate printed-bag tracking<\/li>\n<li>Motor-driven hydraulic lifting system for paper roll loading and unloading<\/li>\n<li>Fully automatic constant-tension unwinding control<\/li>\n<li>YOUDAO web-guiding system reduces paper-roll alignment time<\/li>\n<li>Serrated cutting system<\/li>\n<\/ul>\n<h3>Technical Specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u6a21\u578b<\/th>\n<td>FDD<\/td>\n<\/tr>\n<tr>\n<th>Bag Cutting Length (C)<\/th>\n<td>190-370 mm<\/td>\n<\/tr>\n<tr>\n<th>Paper Bag Width (W)<\/th>\n<td>80-190 mm<\/td>\n<\/tr>\n<tr>\n<th>Bottom Width (H)<\/th>\n<td>50-105 mm<\/td>\n<\/tr>\n<tr>\n<th>Paper Weight<\/th>\n<td>50-130 g\/m\u00b2<\/td>\n<\/tr>\n<tr>\n<th>Mechanical Speed<\/th>\n<td>30-260 pcs\/min<\/td>\n<\/tr>\n<tr>\n<th>Bag-Making Speed<\/th>\n<td>30-220 pcs\/min<\/td>\n<\/tr>\n<tr>\n<th>Paper Roll Width<\/th>\n<td>280-620 mm<\/td>\n<\/tr>\n<tr>\n<th>Maximum Paper Roll Diameter<\/th>\n<td>\u03a61500 mm<\/td>\n<\/tr>\n<tr>\n<th>Paper Roll Core Diameter<\/th>\n<td>\u03a676 mm<\/td>\n<\/tr>\n<tr>\n<th>Cutting Method<\/th>\n<td>Serrated cutting<\/td>\n<\/tr>\n<tr>\n<th>Power Supply and Total Power<\/th>\n<td>380 V, 3 phase, 4 wire, 11.5 kW<\/td>\n<\/tr>\n<tr>\n<th>Machine Weight<\/th>\n<td>6200 kg<\/td>\n<\/tr>\n<tr>\n<th>Overall Dimensions<\/th>\n<td>8200 x 3200 x 2000 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Main Control and Electrical Components<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Component<\/th>\n<th>Quantity<\/th>\n<th>Brand \/ Origin<\/th>\n<\/tr>\n<tr>\n<td>Motion Controller and Modules<\/td>\n<td>1 set<\/td>\n<td>REXROTH \/ Germany<\/td>\n<\/tr>\n<tr>\n<td>Touchscreen HMI<\/td>\n<td>1<\/td>\n<td>SCHNEIDER \/ France<\/td>\n<\/tr>\n<tr>\n<td>Servo Motors<\/td>\n<td>2<\/td>\n<td>REXROTH \/ Germany<\/td>\n<\/tr>\n<tr>\n<td>Servo Motor Gearboxes<\/td>\n<td>2<\/td>\n<td>LIMING \/ Taiwan, China<\/td>\n<\/tr>\n<tr>\n<td>Servo Drives<\/td>\n<td>2<\/td>\n<td>REXROTH \/ Germany<\/td>\n<\/tr>\n<tr>\n<td>Registration Photoelectric Sensor<\/td>\n<td>1<\/td>\n<td>SICK \/ Germany<\/td>\n<\/tr>\n<tr>\n<td>Photoelectric Sensors<\/td>\n<td>1 set<\/td>\n<td>BAUMER \/ Switzerland<\/td>\n<\/tr>\n<tr>\n<td>Pneumatic Components<\/td>\n<td>1 set<\/td>\n<td>AIRTAC \/ Taiwan, China<\/td>\n<\/tr>\n<tr>\n<td>Automatic Web-Guiding System<\/td>\n<td>1 set<\/td>\n<td>YOUDAO \/ China<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Applicable Paper Bags<\/h3>\n<p>The machine is designed for square-bottom and flat-bottom paper bags made from kraft paper, food-grade paper or printed paper rolls. Typical finished products include snack bags, bread bags, dried-fruit bags and other environmentally friendly paper packaging bags.<\/p>\n<h3>Delivery and After-Sales Support<\/h3>\n<ul>\n<li>Estimated delivery time: approximately 60 working days after receipt of the deposit; the factory will reconfirm the delivery schedule when the order is confirmed<\/li>\n<li>Packaging: stretch-film packaging<\/li>\n<li>Quality warranty: one year<\/li>\n<li>Warranty excludes damage caused by improper operation<\/li>\n<li>After-sales service: lifetime support<\/li>\n<\/ul>\n<div class=\"sunlay-category-links\">\n<p><strong>Bag Making Machinery resources:<\/strong> <a href=\"https:\/\/sunlayauto.com\/zh\/product-category\/bag-making-machinery\/\">Bag Making Machinery category<\/a> | Related equipment: <a href=\"https:\/\/sunlayauto.com\/zh\/product\/automatic-nonwoven-t-shirt-vest-bag-making-machine\/\">Automatic Nonwoven T-Shirt Vest Bag Making Machine<\/a> | <a href=\"https:\/\/sunlayauto.com\/zh\/\">\u9996\u9875<\/a> | <a href=\"https:\/\/sunlayauto.com\/zh\/products\/\">All Products<\/a> | <a href=\"https:\/\/sunlayauto.com\/zh\/about-us\/\">\u5173\u4e8e\u6211\u4eec<\/a> | <a href=\"https:\/\/sunlayauto.com\/zh\/contact-us\/\">\u8054\u7cfb\u6211\u4eec<\/a><\/p>\n<\/div>\n<h2>Machine Selection and Order Preparation<\/h2>\n<p>Confirm the required bag width, cut-off length, bottom format, paper grade and whether printed-roll registration is needed before finalizing the configuration. These operating requirements determine the appropriate machine arrangement and support a clear technical discussion before manufacturing. Provide a bag drawing or sample when available so the production team can review the expected finished paper-bag format.<\/p>\n<h2>Packaging Application Planning<\/h2>\n<p>Flat-bottom paper bags are commonly selected where an upright bag shape and paper-based presentation are required. The machine is intended for the listed kraft paper, food-grade paper and other compatible paper-roll applications described on this page. Final material suitability and accessory scope should be confirmed for the buyer&apos;s own paper specification, product size and packaging workflow.<\/p>\n<p>During inquiry, share the intended paper-roll condition and finished bag sample where possible. This helps confirm that the selected setup supports the buyer&apos;s documented bag-making process, handling requirements and delivery scope before the order is released.<\/p>","protected":false},"excerpt":{"rendered":"<p>Automatic Square Bottom Paper Bag delivers stable, repeatable production for professional buyers. FDD automatic square bottom paper bag making machine for kra&#8230;<\/p>","protected":false},"featured_media":4463,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[277],"product_tag":[],"class_list":["post-4462","product","type-product","status-publish","has-post-thumbnail","product_cat-paper-bag-making-machines","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/product\/4462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/comments?post=4462"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/media\/4463"}],"wp:attachment":[{"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/media?parent=4462"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4462"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4462"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sunlayauto.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}