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CWZD-400A Laminated Central Middle Sealing Three Sealing Bag Making Machine

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  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 03 Feb, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What is the CWZD-400A Laminated Central Middle Sealing Three Sealing Bag Making Machine used for?

The CWZD-400A is designed to produce high-quality stand-up pouches and three-side sealed bags from laminated plastic films. It is suitable for food (snacks, beverages), pet food, retail packaging and various industrial packaging applications.

2. What are the main specifications of this machine?

Key specs include electric drive, automatic operation, dimensions 8000×1750×1800 mm, voltage options 220V/380V, two Japanese servo motors, KONTEC Taiwan photocell, Yaskawa Japan inverter, Taiwan main motor, automatic waste rewinding unit, CE and GSG certifications, and yearly supply ability of 300 sets.

3. What packaging materials and bag types can it handle?

The machine is built for laminated plastic films and is optimized for stand-up pouches and three-side sealed bags. For unusual film structures or materials, please provide samples so we can confirm compatibility.

4. Is the machine fully automatic?

Yes. The CWZD-400A is an automatic machine with integrated feeding, forming, sealing, cutting and automatic waste rewinding. Online support and training are available to assist with startup and operation.

5. What does 'central middle sealing' and 'three sealing' mean?

Central middle sealing refers to a longitudinal seal typically on the back of a pouch (center seal). 'Three sealing' refers to three-side sealed bags where three edges are sealed and one edge is left open for filling.

6. What are the power requirements and electrical configurations?

The machine supports 220V or 380V electrical supply. Final electrical specifications (phase, fuse sizes, and power consumption) will be provided in the electrical plan prior to shipment and installation.

7. How fast does the CWZD-400A run (production speed)?

Actual speed depends on film type, bag dimensions and thickness. The CWZD-400A is a high-speed unit, but for an accurate speed estimate we recommend providing your film and target bag size so we can run tests and confirm expected output.

8. What precision and control features does the machine include?

It uses two Japanese servo motors for precise web feeding and cut positioning, a KONTEC Taiwan photocell for accurate registration, and a Yaskawa Japan inverter for stable motor control—ensuring consistent bag length and seal accuracy.

9. What is the 'skip function (6 times feeding)'?

The skip function allows the feeder to advance up to 6 feeding cycles automatically to manage registration issues or media defects without stopping production, reducing downtime and material waste.

10. Does the machine include waste management features?

Yes. The CWZD-400A comes with an automatic waste rewinding unit to collect and rewind scrap film for cleaner operation and easier disposal or recycling.

11. Are certifications and quality assurances available?

The machine is CE and GSG certified. Detailed certification documents can be provided upon request.

12. Is installation, training and after-sales support provided?

Yes. The manufacturer offers online support and training. On-site installation/commissioning and extended after-sales service can be arranged—please contact sales to discuss options and costs.

13. Can the machine be customized for specific pouch sizes or features (e.g., zippers, spouts)?

The CWZD-400A is multifunctional and can be adapted for various pouch features. Customization options (zippers, tear notches, spouts, window cutting) depend on project requirements—provide specifications so we can confirm feasibility and pricing.

14. What are the maintenance requirements and spare parts availability?

Regular maintenance includes cleaning, lubrication, and periodic checking of seals, belts and sensors. Critical components (servo motors, photocell, inverter, main motor) use reputable brands and spare parts are available; speak with sales for recommended spare kits and lead times.

15. How many units can you supply and what is the lead time?

Supply ability is about 300 sets per year. Lead time depends on order size, customization and current production schedule—contact sales with your order details for an accurate delivery estimate.

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