How to Choose plastic bag converting machine?

14, Jul. 2025

 

Plastic Bag Making Machines 101: Types and Uses

Plastic bags or poly bags are an extremely popular choice among lots of retail businesses due to their ease of production and procurement as well as their cost effectiveness. There are multiple types of carrier bags available today and each of them is produced using different types of machines. Take a look at the various plastic bag making machine available:

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    1. Bottom Seal Bag Making Machines
    1. The

bottom seal bag making machine

    1. makes bottom sealed plastic carrier bags using tubular rolls of different sizes. They are used to produce standard bottom seal bags, handle punch bags, multi-hole punch bags, and twin sealed handle punch bags, using the corresponding dies to shape the handles of the bags.

Depending on the length, width and application of the bag, Flying Knife bottom seal bag making machines can also be used.In such machines, the sealing of the film is done by a wire seal system which provides a very strong seal, while the cutting is done through a mechanically driven Rotary Flying knife.

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    1. Side Seal Bag Making Machines
    1. As the name suggests, a

side seal bag making machine

    1. is used to create side sealed plastic bags by converting either a Lay flat sheet or a tubular roll of PE or PP material. Depending on the type of handle and use of the plastic bag, you can choose from:
        • Automatic Patch Handle Bag Making Machine
        • Automatic Soft Loop Handle Bag Making Machine
        • Side Seal Zipper bag making machine
        • Automatic Soft Loop & Patch Handle Bag Machine
    1. Soft Loop & Patch Handle Bag Making Machine Types
    1. These machines are used for attaching either loop or patch handles to side and bottom sealed plastic carrier bags. In case of loop handles, plastic strips are welded to the inside of the bag, allowing the complete volume of the bag to be utilized.

Whereas, patch handle bag making machines include a glued on patch around the die-cut handle to provide extra strength. Such bags are most commonly used in furniture and clothing stores that retail in bulkier items. There are four variants of such machines, namely:

          • Semi Automatic Soft Loop Handle Bag Making Machine
          • Automatic Patch Handle Bag Making Machine
          • Automatic Soft Loop Handle Bag Making Machine
          • Automatic Soft Loop & Patch Handle Bag Machine
    1. T-Shirt Bag Making Machine
    1. The

T-shirt bag making machine

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    produces your everyday single use shopping bag or grocery bag using HDPE since they are mass produced at a very low cost. Such machines first cut and seal the plastic film using a hot knife, after which the bags are forwarded to the punching station where he handle punching is done to receive the finished products.

Plastic Bag Machine Options, Add-ons, Upgrades

“Clamshell” Safety Guarding System Add-on
These "Clamshell" style guards have been designed for use on new Converting Systems bag machines or various other manufacturers’ shuttle style machines. When an operator flips back the Lexan guard to access the machine, the guard system signals the bag machine to stop production. This then puts the machine in a "safe" mode for the operators to perform set-up, maintenance, or web up the machine. With the ability to mount on many different suppliers machines, these guard systems are an economical way to meet stringent safety requirements.

New! Tool-less Handle Adjustment Assembly

Bag Machine operators can now quickly and easily make adjustments to the Teflon curtain without having to stop and find the right sized tool. Also eliminates lost parts. This new tool-less design supports our goal to provide more operator friendly machines to our customers. Place order HERE
Pinch Roll Edge Guide System/Retrofit
CSI’s Pinch Roll Edge Guide System is designed as a “drop in” system to help guide a web through a bag or pouch machine. Since it does not require the web to be "wrapped" over or under any rollers, it is ideal for film which have fixtures installed that cannot be wrapped over/under any camber rollers. This system uses a laser sensor to accurately monitor the edge of the web. The control unit then makes adjustments to pinch rollers to pull the film in one direction or another.  Incredibly easy installation and set-up make this unit an ideal field retrofit on any number of different machines. The solid model (see picture) provides a visual of an installation in the sync. Section of a typical side weld and bottom seal machine - note the section rails used in the model.