Square bottom paper bag making machines support 60–150g kraft, coated, laminated, and multi-layer paper, producing flat standing bags for retail, food, and industrial bulk transport. Global plastic restriction policies boost annual demand for eco-friendly paper packaging by 15%. It is integrated roll-fed automation equipment that performs unwinding, folding, gluing, bottom forming, and finished-bag cutting in a single continuous workflow.
Three industrial models cover flexible size ranges to fit small workshops and large packaging factories. Packaging manufacturers worldwide select one to cut labor input and shorten order delivery cycles.
Unified Complete Technical Parameter Table For Paper Bag Making Machine For Sale
| Model | YG-330 | YG-450A | YG-450B |
| Cutting length | 270-530mm | 270-530mm | 380-760mm |
| 270-430mm (with handle) | 270-430mm (with handle) | 380-660mm (with handle) | |
| Bag width | 120-330mm | 200-450mm | 220-450mm |
| 200-330mm(with handle) | 240-450mm(with handle) | 240-450mm(with handle) | |
| Bottom width | 60-180mm | 80-180mm | 80-200mm |
| Paper Thickness | 60-150g/M2 | 80-150g/M2 | 80-150g/M2 |
| 80-150g/M2(with handle) | 80-150g/M2(with handle) | 80-150g/M2(with handle) | |
| Paper roll width | 380-1050mm | 590-1300mn | 630-1350mm |
| 620-1050mm(with handle) | 710-1300mm(with handle) | 710-1350mm(with handle) | |
| Roll paper diameter | 1300mm | 1300mm | 1300mm |
| Paper core | 76mm | 76mm | 76mm |
| Patch length | 152mm | 152/190mm | 152/190mm |
| patch width | 45-50mm | 45-50mm | 45-50mm |
| Handle distance | 75mm | 75/95mm | 75/95mm |
Every machine supports optional inline flexo printing units for brand logo one-step production.
Complete Working Principle Of Square Bottom Paper Bag Making Machine
This automated production line operates under synchronized servo closed-loop control. It uses hydraulic unwinding to feed raw rolls, with servo correction eliminating horizontal material deviation. The system of the paper bag production machine completes tube forming, side gluing, cross cutting, and automatic bottom folding sequentially. An optional handle gluing station attaches paper rope before finished bags are stacked on the output conveyor. Bakery and retail factories deploy it to keep scrap waste below 0.5% during long-hour continuous runs.
8 Core Competitive Advantages Of Paper Bag Production Machine
- Brand Touchscreen HMI: Clear parameter panel for fast size switching without complex training.
- Mitsubishi Motion Controller: Fiber communication ensures long-running stable synchronization.
- Mitsubishi Servo + German Photoelectric Eye: Precise tracking for ±2mm dimensional tolerance.
- Low Daily Maintenance: Simple glue tank cleaning lowers downtime. Factory buyers select a square bottom paper bag making machine to reduce total production costs by more than 30%.
- Hydraulic Unwinding Frame: Labor-saving roll loading with auto constant tension control.
- Servo Web Correction: Minimizes material waste from offset paper rolls.
- Wide Material Compatibility: Runs single-layer, laminated, and multi-layer kraft stock.
- Low Noise Continuous Operation: Stable 30–180 bags/min high-speed output.
Global Full-Scene Application Fields Of Square Bottom Paper Bag Making Machine
- Food Industry: Bakery bread bags, takeaway grease-proof packaging
- Retail Boutiques: Shopping gift bags with custom-printed logos
- Supermarket Chains: Grocery reusable standing paper sacks
- Chemical & Feed Plants: Multi-layer cement, fertilizer powder bags
- Pharmacy Factories: Medical medicine paper packaging pouches
- Clothing Brands: Apparel shopping carry bags
- Wine & Beverage Stores: Gift wine paper tote bags
- Disaster & Bulk Transport: Sand, dry powder heavy-duty sacks
Step-By-Step Model Matching Guide For Paper Bag Making Machine For Sale
- Small Workshop & Bakery Shops: YG-330 compact unit for narrow, small-size bags
- Medium Retail Printing Plants: YG-450A balanced width and speed for mixed orders
- Large Mass-Production Factories: YG-450B square bottom paper bag making machine, max roll width for large tote bags
- Custom Brand Orders: Add inline flexo printing module for one-step printing & forming
- Heavy Bulk Material Production: Upgrade multi-layer paper feeding assembly
Frequently Asked Questions About Paper Bag Production Machine
A1: It supports 60–150g kraft, white cardboard, coated, laminated, and multi-layer paper.
A2: The servo correction system keeps material scrap under 0.5% for mass production.
A3: The touchscreen of the square bottom paper bag making machine presets parameters to finish format change within 10 minutes.
A4: The machine’s overall size is 15000×6000×2700mm, with extra raw roll storage area.
A5: Only a single worker can supervise full automatic operation.
A6: One-year full machine warranty, lifetime remote video technical guidance, and spare parts supply.
Factory Supply & Global After-Sales Support Of Square Bottom Paper Bag Making Machine
All paper bag production lines pass 72-hour continuous aging testing before seaworthy wooden export packaging. Multilingual operation manuals, electrical circuit schematics, and discounted wear parts ship together with each unit. Our engineering team provides free plant layout planning and 24-hour online troubleshooting of the paper bag making machine for sale for global dealers.
Bulk purchase contracts include priority spare part delivery service. Submit your target bag size, paper weight, and daily output target to receive a customized, detailed quotation instantly. We welcome your inquiries and look forward to cooperating with you!
