Custom Design and Manufacturing Solutions

Ultrasonic PVC Film Sewing Machine for Continuous, Needle- and Thread-Free Production

VietSonic receives PVC film samples, tests bonding performance, and designs each machine around the required seam profile, material width, operating speed, and the company’s actual product.

  • No needle holes in PVC film
  • No sewing thread required in production
  • More continuous and consistent sealed seams
  • Custom sealing assemblies for each product
VietSonic ultrasonic PVC film sewing machine in operation
VietSonic ultrasonic PVC film sewing machine in operation
Built Around Factory Requirements

Businesses Need a Machine That Handles Their Actual Product, Not Just an Off-the-Shelf Device

PVC films vary in thickness, flexibility, additive composition, number of layers, and seam requirements. The machine therefore needs to be tested and calibrated using the exact material the business is using.

Consistent Seam Quality

The sealed seam must remain uniform along the material feed direction, minimizing areas with excessive bonding, weak adhesion, or surface deformation.

Speed Matched to Production Output

The machine must feed film steadily, remain easy to operate, and maintain a continuous production pace without relying heavily on each operator’s individual skill.

A Machine That Fits the Production Area

The worktable size, material feed direction, operator position, and control system should be arranged to suit the existing production area.

  • Bond two or more layers of PVC film
  • Avoid needle holes and visible thread on the product
  • Use different seam profiles or sealing widths
  • Test the material before investing in a machine
Implementation Capabilities

From a PVC Film Sample to a Complete Machine on the Production Floor

VietSonic develops each machine around the material, the required finished product, and the company’s actual operating process.

Requirement Assessment

Identify the PVC type, thickness, number of layers, seam width, product dimensions, target output, and material feeding method.

Sample Testing

Evaluate ultrasonic compatibility and select the appropriate energy level, sealing pressure, operating speed, and seam profile.

Design and Manufacturing

Design the sealing assembly, roller, guiding mechanism, worktable, and control system around the product the business needs to manufacture.

Trial Run and Handover

The machine is trial-run with the actual sample, the seam quality is inspected, and operating guidance and final adjustments are completed before production.

Testing an ultrasonic sewing machine with PVC film

Testing and operating an ultrasonic PVC film sewing machine at VietSonic.

Actual Operation Video

Watch the Machine Process PVC Film in Real Operating Conditions

The video shows how the material is guided through the sealing area, how the machine maintains continuous operation, and what the finished seam looks like.

No Needles
No rows of needle holes along the seam.
No Thread
Reduces consumable use and eliminates thread replacement.
Continuous Sealing
Suitable for long, continuous seams on film.
Customizable
Seam profiles can be designed around the actual product sample.
Business Value

A Machine Designed to Address Specific PVC Production Requirements

Production Problems the Machine Helps Solve

  • Conventional stitching creates holes through the PVC film.
  • Thread can break, tangle, or require replacement during production.
  • Manual operation can produce inconsistent seams.
  • Maintaining a stable speed on long seams can be difficult.
  • Different product lines may require different seam profiles.

Solutions Developed by VietSonic

  • Test directly on film samples provided by the business.
  • Adjust energy, pressure, and speed to match the material.
  • Design the sealing assembly or roller to the required profile.
  • Configure guiding mechanisms for more stable material feeding.
  • Provide operating instructions and technical support after handover.
Business RequirementMachine Design Approach
A sealed seam without needle holesTest the material’s bonding performance and select a suitable seam profile.
Products with long sealed seamsDesign a continuous sealing mechanism with stable material guidance.
Soft or easily deformed PVC filmAdjust pressure, speed, and energy to minimize surface deformation.
A custom seam shape is requiredDesign the roller or sealing assembly around the product’s seam sample.
Integration with an existing production lineAssess the feed direction, operating height, and connection points with other equipment.
Note: Bonding performance depends on the material composition, thickness, number of layers, and additives in the PVC film. Businesses should send an actual sample so that VietSonic can test it before determining the machine configuration.
Application Examples

Ultrasonic PVC Sewing Machines Can Be Developed for a Range of Products

The final configuration must be determined using the material and product sample supplied by the business.

PVC Curtains and Partitions

Seal film panels or finish the edges of plastic curtains, production-area partitions, and dust-control products.

Industrial Tarpaulins and Covers

Process long seams on machine covers, protective tarpaulins, cargo covers, and technical coated materials.

PVC Packaging and Products

Suitable for products that require layer bonding, edge finishing, or PVC film joining in a custom-designed shape.

Frequently Asked Questions

Information to Prepare Before Ordering a Machine

Can every type of PVC film be processed with an ultrasonic machine?

Bonding performance depends on the resin composition, additives, thickness, and film structure. A material sample must be tested before the machine configuration is determined.

What information should a business provide for consultation?

Provide a material sample, the number of layers to be sealed, seam dimensions, product images, target output, the current operating method, and the available installation space.

Can the machine create a custom seam profile?

The sealing assembly or roller can be designed to the required profile after the sample, seam dimensions, and material compatibility have been evaluated.

Is the machine trial-run before handover?

The machine is trial-run with the actual material sample to verify seam quality, film-feeding stability, and operating parameters before production.

Send Your PVC Film Sample for VietSonic to Test and Recommend a Machine Configuration

Provide a material sample together with product images, seam dimensions, and expected output. The technical team will evaluate the solution before designing the machine.

Vietnam Ultrasonic Equipment Co., Ltd.

Contact: Mr. Hai

Hotline: 0938 49 33 66

Email: info.vietsonic@gmail.com

Website: vietsonic.vn