Previous
Next
Automatic Zipper Stand Up Pouch Making Machine | Full-Servo Doypack Bag Maker
Description
Flexible Packaging Machinery
Zipper Stand-Up Pouch Making Machine
— Industrial Doypack Bag Maker
Full-servo, PLC-controlled machine that converts laminated film rolls into finished resealable zipper pouches — doypack, 3-side seal, bottom gusset and more — in one automated pass.
30–200 pcs/min CE Certified PLC Touchscreen Multi-format Servo Motor BOPP · PET · Kraft · Alu Foil Food & Pharma Grade
Overview
What Is a Zipper Stand-Up Pouch Making Machine?
A zipper stand-up pouch making machine (also called a doypack bag making machine or resealable pouch maker) is industrial bag-conversion equipment that unwinds laminated film rolls, inserts a plastic press-lock zipper, forms a bottom gusset, heat-seals all seams, and cuts individual pouches — all in a single continuous automated line.
Stand-up pouches with zipper closures have become the dominant format in flexible packaging. Their shelf-stable, resealable, and lightweight properties make them preferred by brand owners across food, pharmaceutical, nutraceutical, pet food, and cosmetic sectors. Producing them at commercial scale requires precisely controlled machinery capable of handling multi-layer laminate films, accurate zipper registration, and consistent heat-sealing across changing production speeds.
This machine addresses all of those requirements through a full-servo drive architecture: every critical axis — film feed, zipper insertion, gusset formation, and transverse cutting — is independently controlled by servo motors receiving real-time position feedback, eliminating the mechanical cams and linkages that cause drift and downtime in conventional machines.
30–200
Pcs / Min
±0.5
mm Sealing Accuracy
6+
Pouch Formats
CE
Certification
1-yr
Warranty
Engineering
How the Machine Works — Step-by-Step Process Flow
Understanding the production sequence helps engineers and procurement teams evaluate whether a machine's mechanical design matches their film structure and pouch specification requirements.
Production Process Flow — Zipper Stand-Up Pouch
01 Film Unwind 02 Tension Control 03 Zipper Insertion 04 Bottom Gusset Form 05 Side & Heat Seal 06 Cooling & Setting 07 Die-Cut & Auto Stack Film Roll Finished Pouch
- Film Unwind: Servo-controlled shaftless unwind stands hold main film rolls (up to 800 mm dia.). Separate unwind for gusset film. Auto-splicing available on high-output models.
- Tension Control: A dancing-roller system with variable-resistance (VR) sensors maintains consistent web tension across material weight changes and speed ramps — critical for thin-gauge recyclable mono-materials.
- Zipper Insertion & Pre-seal: The press-lock zipper strip is fed from a separate reel, positioned by ultrasonic sensors, and pre-welded to the inner face of the top panel before entering the intermittent zone.
- Bottom Gusset Formation: A triangular former folds the bottom web into a W-fold doypack profile. Gusset depth is servo-adjustable via the HMI — no manual shimming required.
- Longitudinal & Transverse Heat Sealing: Heated jaws with PID-controlled temperature (±1 °C tolerance) seal both side seams and the bottom simultaneously. Low-temperature / high-pressure mode for high-speed recyclable film production.
- Cooling & Setting: Chilled cooling jaws immediately follow the heat-seal station to lock the seal geometry, preventing warping on thick laminates and ensuring airtight integrity.
- Die Cutting & Auto Stacking: Camera-registered knife trims rounded corners and notches. A batch counter triggers automatic conveyor advance for hands-free stacking and downstream cartoning.
Capabilities
Pouch Formats Produced on One Machine
A key differentiator of this machine is its multi-format flexibility. Unlike single-format competitors, the same base machine — through modular attachments and HMI recipe switching — can produce the formats illustrated below.
Supported Pouch Formats (cross-section profiles)
Doypack / Stand-Up Zipper 3-Side Seal 4-Side Seal Flat-Bottom Box Pouch Side Gusset Zipper Window Pouch Vacuum Pouch Hang-Hole Pouch
Format switching time: Transitioning between pouch styles typically requires 30–90 minutes of tooling adjustment. Recipe parameters (sealing temperature, length, gusset depth, zipper offset) are saved in the PLC and recalled at the touch of a button — reducing changeover vs. cam-driven machines by up to 60%.
Technology
Engineering Differentiators
The following design elements distinguish this machine from commodity pouch makers at comparable price points.
Full-Servo Architecture
Every axis — film feed, zipper insertion, gusset forming, transverse sealing and cutting — runs on independent servo motors with encoder feedback. Eliminates mechanical drift common in cam-driven machines, reducing waste film by up to 25%.
7" PLC Touchscreen HMI
Stores up to 200 product recipes. Operators switch between doypack and 3-side-seal profiles without touching a wrench. Real-time production data (OEE, reject count, temperature logs) exports via USB or Ethernet/IP.
PID Constant-Temp Sealing
Microprocessor PID controllers with SSR (solid state relay) hold seal jaw temperature to ±1 °C regardless of machine speed changes — preventing burn-through on thin films and cold seals on thick laminates.
Ultrasonic Zipper Pre-Seal
Before the zipper strip enters the heat-seal station, an ultrasonic weld bonds the zipper rib to the film. This prevents bottom-seal leaks at the zipper channel — a failure mode that affects roughly 3–8% of output on machines without this step.
Recyclable Film Compatible
Low-temperature high-pressure sealing mode enables processing of mono-material recyclable films (mPE, all-PET) without seal degradation — meeting EU Packaging Regulation 2025 directives that most Chinese-built machines cannot handle.
Auto Jaw Lift on Stop
When the machine stops (E-stop or scheduled pause), heated jaws automatically ascend away from the film web within 0.3 seconds, preventing burn-through of stationary film — eliminating a major source of waste on older machines.
Specifications
Technical Specifications
The following parameters apply to the standard model. Contact us for custom configurations including wider film widths, dual-lane production, and nitrogen gas-flush integration.
| Parameter | Specification | Notes |
|---|---|---|
| Production speed | 30–200 pcs/min | Speed depends on pouch length and film type |
| Pouch width range | 80–350 mm | Adjusted by tooling change |
| Pouch length range | 100–500 mm | PLC servo-set, no mechanical adjustment |
| Gusset depth | 20–80 mm | Servo-adjustable via HMI recipe |
| Film material | BOPP, PET, CPP, PE, Nylon, Kraft, Aluminium Foil, mPE (recyclable) | Single or multi-layer laminates |
| Film thickness | 60–220 µm total laminate | |
| Film roll OD | Max. 800 mm | Shaftless pneumatic unwind |
| Sealing temperature | 80–220 °C (PID ±1 °C) | Individually controlled per jaw station |
| Sealing accuracy | ±0.5 mm | Photocell registration on printed film |
| Drive system | Full servo (independent per axis) | Panasonic / Siemens servo options |
| PLC / HMI | Siemens S7 / Mitsubishi + 7" colour touchscreen | 200 recipe storage, USB data export |
| Power supply | 380V / 50Hz, 3-phase (other voltages available) | 220V 60Hz for North America on request |
| Total power | 12–22 kW | Varies by model size |
| Air supply | 0.5–0.7 MPa, 300 L/min | |
| Machine dimensions | ~5,800 × 1,400 × 1,600 mm (L×W×H) | Varies by model; confirm with engineering |
| Net weight | ~4,500 kg | |
| Certification | CE | ISO 9001 factory |
| Warranty | 1 year parts + labour | Extended contracts available |
Buyer's Guide
Full-Servo vs. Semi-Servo vs. Cam-Driven: Which Should You Buy?
Many buyers encounter machines described simply as "automatic pouch making machines." The underlying drive technology determines long-term cost-of-ownership, format flexibility, and film waste rates far more than rated speed. This table cuts through the marketing.
| Feature | Full-Servo (This Machine) | Semi-Servo | Cam-Driven |
|---|---|---|---|
| Sealing registration accuracy | ±0.5 mm | ±1.5 mm | ±3 mm |
| Recipe changeover time | 30 min (HMI recall) | 90 min | 4–8 hours |
| Recyclable mono-material film | Yes | Limited | No |
| Zipper ultrasonic pre-seal | Standard | Optional | Not available |
| Film waste per tonne of output | ~2–3% | ~5–7% | ~10–15% |
| Formats on one machine | 6+ | 2–3 | 1 |
| OEE data / IoT-ready | Yes (Ethernet/IP) | Partial | No |
| Typical capex (USD) | $85K–$180K | $40K–$80K | $15K–$35K |
Total cost of ownership note: Film waste alone on a cam-driven machine processing 10 tonnes/month of $4/kg laminate costs $4,800–$7,200/month more than a full-servo machine. The servo premium typically pays back within 18–24 months at this throughput.
Applications
Industries & End-Products
Application Sectors — Market Size Context
Common Products Packaged
Stand-up zipper pouches produced on this machine are used for: dried fruits, nuts, and trail mix; coffee beans and ground coffee; protein powder and meal replacement shakes; freeze-dried camping meals; wet pet food and treats; pharmaceutical blister refills and OTC supplements; laundry pods and household cleaning concentrates; seeds and fertiliser pellets; premium tea and herbal blends; and baby food pouches.
FAQ
Frequently Asked Questions
What is the difference between a doypack and a stand-up pouch?
A doypack (from the French inventor Louis Doyen, patented 1963) is a stand-up pouch with a specific boat-shaped bottom gusset that allows the bag to stand on its own before filling. The term is often used interchangeably with "stand-up pouch," but technically all doypacks are stand-up pouches while not all stand-up pouches use the doypack bottom construction — some use a K-seal, pinch-seal, or flat-bottom panel instead.
Can this machine process recyclable / mono-material films?
Yes. The PID-controlled sealing system includes a low-temperature high-pressure sealing mode specifically for mono-material films such as all-polyethylene (mPE) and all-PET laminates. These films have a narrow sealing window (typically ±5 °C) that conventional machines cannot hold reliably. The ±1 °C PID tolerance on this machine enables consistent seal integrity on recyclable substrates.
What film structures are compatible?
The machine handles BOPP/CPP, PET/CPP, PET/PE, PET/Al/PE, Kraft/PE, Kraft/PET/PE, Nylon/PE, and compostable PLA-based laminates. Total laminate thickness should fall between 60 and 220 µm for reliable processing. Confirm with our applications engineering team for unusual structures.
What zipper types can be inserted?
Standard press-lock (Ziplock-style), double-track press-lock, slider-zipper (with separate slider applicator module), and reclosable tape are all compatible. The zipper feed stand accommodates reel widths from 6 mm to 35 mm. Zipper registration accuracy is ±0.5 mm via photocell.
How long does installation and operator training take?
Mechanical installation typically requires 3–5 days by two technicians. Our engineers provide 5–7 days of on-site commissioning and operator training. Remote video support is available post-installation for troubleshooting and recipe setup assistance.
What certifications does the machine carry?
CE (EU Machinery Directive 2006/42/EC). The manufacturing facility is ISO 9001 certified. UL certification for North American market is available on request with a lead-time premium.
What is the minimum viable order quantity for pouches produced?
This is a machine purchase, not a pouch purchase. The machine produces pouches from your supplied film rolls. There is no MOQ on the machine itself — it is sold as capital equipment. Minimum film roll order quantities depend on your film supplier.
Request Specifications & Pricing
Tell us your pouch dimensions, target speed, and film structure — we'll respond within one business day with a configuration recommendation and budgetary quote.
Get a Quote View Original Page