This ZMFD-220 square bottom paper bag making machine takes blank or printed paper rolls and automatically finishes unwinding, tracking, gluing, cutting and square bottom forming to make stable kraft square bags at 30–200pcs/min.
FD-220 Fully Automatic Square Bottom Gift Kraft Paper Bag Making Machine
Adjustable Roll Feeding Square Bottom Bread Paper Bag Making Machine 30-200pcs/min
- Full one-step forming: Completes roll feeding, side gluing, bottom creasing, square bottom forming into finished square bottom paper bag automatically.
- Wide adjustable size range: Makes square bottom bags from small retail to large food shopping bags, supports 50–130gsm kraft paper.
- High stable speed: Variable output from 30 to 200 pieces per minute, meets small batch and mass production demands.
- Imported core electric parts: Adopts Mitsubishi PLC & servo, German SICK photo eye to guarantee precise printing tracking.
- Rich optional modules: Add 2/4 color printing, window lamination, handle punching, match rope handle machines for diversified bags.
- Labor & cost saving: Hydraulic auto unwinding, auto tension control, auto lubrication system cut manual maintenance work.
5.0
design customization
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Product Description
Square bottom paper bag making machine
Product Selling Points
Square bottom paper bag making machine Product Selling Points
- Mitsubishi Full Servo System：Japan Mitsubishi controller & servo, stable operation up to 200pcs/min with zero dimensional error.
- SICK Photoelectric Tracking：German SICK sensor precisely tracks printed patterns for consistent bag length.
- Hydraulic Unwinding & Constant Tension：Fast roll loading; magnetic powder brake prevents paper wrinkles.
- Integrated Square Bottom Forming：One-step creasing, gluing and folding for self-standing paper bags.
- Touch Screen Quick Size Adjustment：HMI touch control; finish size replacement within 10 minutes.
- Automatic Lubrication Unit：Auto oil pump lubricates gears and chains to cut maintenance work.
- Custom Optional Attachments：Support 2/4 color printer, window lamination and handle punching modules.
Automatic paper bag machine Product Specifications
| Model | ZMFD-220 |
| Paper Roll Length | 190-370mm（C） |
| Paper bag length | 150-320mm （L） |
| Paper bag width | 80-220mm （W） |
| Paper bag bottom width | 50-120mm （H） |
| Paper thickness | 50-130g/m2 |
| Max Bag Making Speed | 30-200pcs/min |
| Paper roll width | 280-710mm |
| Roll paper diameter | 1300mm |
| Diameter of paper core | 76mm（3”） |
| Machine power | 3phase,380v ,8kw |
| Air Source | 0.4m³ 0.6 Mpa |
| Machine weight | 5500kg |
| Machine size | 8000x2980x1800mm |
Product Details
Constant tension controller
- Real-time detect paper tension during unwinding
- Auto adjust tension to prevent paper wrinkle/stretch
- Support manual & auto mode switch
- Quick tension parameter setting & reset
Disc Gusset Inner Folding Unit
- Use disc rollers to fold bag side gussets inward automatically
- Keep even folding size for uniform square bottom bags
- Cooperate with sensor to align paper position accurately
Air Shaft Unwinding & Guide Roller Unit
- Air shaft holds and loads large printed paper rolls quickly
- Multiple guide rollers convey paper smoothly to follow-up stations
- Keep paper flat, avoid deviation and wrinkles during feeding
bags sleeves Cutting Unit
- Cut continuous bag tube into individual finished bags
- Ensure consistent bag length by servo-driven rotary cutters
- Pneumatic structure delivers stable, clean cutting edges
Square Bottom Forming Unit
- Expand rod and four side clamps stretch paper to shape flat square bag bottom
- Central chunk fixes paper position for even folding and gluing
- Pneumatic structure ensures neat, standable bag bottom forming
Bottom Inserting & Folding Blade Unit
- Special inserting blade guides front & back bag bottom edges into fixed clamps
- Precisely position paper for uniform square bottom folding
- Stable chain transmission ensures consistent feeding without offset
Application Range
- Food packaging factories: Produce bread, cookie, fruit, snack square kraft bags
- Retail & supermarket packaging plants: Make grocery shopping square bottom bags
- Gift packaging manufacturers: Custom branded gift kraft square bags
- Garment packaging workshops: Make apparel square paper carry bags
Specific Usage Scenarios
full automatic square bottom paper bag machine
- Bakery bread & pastry square kraft bags: Standable square bottoms hold baked goods stably
- Supermarket grocery shopping bags: Adjustable width fits fruit, vegetable, dry food
- Custom printed retail gift bags: Support full surface printing for brand promotion
- Snack & confectionery packaging bags: Lightweight kraft material for small food packs
- Clothing garment carry bags: Neat square shape fits apparel packaging
- Holiday souvenir gift bags: Match handle hole or rope handle attachments
- Takeaway eco paper bags: Food-safe paper thickness meets catering demand
1
What paper materials fit this square bottom paper bag making machine?
It supports 50–130gsm plain kraft paper, printed coated paper and food-grade kraft rolls with 76mm core inner diameter.
2
What size range can the ZMFD-220 square bottom paper bag machine produce?
Bag length 150–320mm, width 80–220mm, square bottom width 50–120mm, paper roll width 280–710mm.
3
How many operators are needed to run the machine?
Only one operator is required. The machine is fully automatic with integrated processing, no manual intervention in the production process.
4
What’s the default packing way of the square bottom paper bag making machine?
Wooden case packing needs extra cost upon buyer’s request.
5
How do you ship the finished products?
By Sea, By Plane, By courier, TNT , DHL, Fedex, UPS Etc.
Related Product
To build a complete square bottom paper bag production line with your ZMFD-220 square bottom paper bag making machine, we suggest supporting equipment as below:
suitable for food, snack, bakery and fast‑food paper bags.
suitable for High-end brand handbags with gold/silver logo stamping
suitable for coffee paper bags, pizza boxes, bakery takeaway kraft bags, snack cartons
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