Low Investment Threshold, Rapid Launch

The equipment is priced at just one-third to one-half the cost of a fully automated system, making it ideal for startups or for pilot testing during the initial stages of capacity expansion.

Change size every 90-120 minutes

Manually adjustable dimensions and handle types—no programming required—making it suitable for multi-variety, small-batch orders.

Simple to operate, easy to maintain

The mechanical structure is intuitive; ordinary workers can begin operations after simple training, and spare parts are interchangeable.

Product Categories
If you need special sizes, please consult experts online
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KL
1200F
Semi-Automatic Paper Bag Tube Forming Machine
  1. Feeding Method: Automatic Feeder
  2. Paper Weight: 180-350 gsm
  3. Bag Width Range: 150-460 mm
  4. Speed: 70-100 bags/minute
Semi-Automatic Paper Bag Tube Forming Machine
KL
50A
Semi-Automatic Paper Bag Bottom Gluing and Sealing Machine
  1. Feeding Method: Automatic Feeder
  2. Paper Weight: 120-350 gsm
  3. Bag Width Range: 150-450 mm
  4. Speed: 70-100 bags/minute
Semi-Automatic Paper Bag Bottom Gluing and Sealing Machine
KL
35D/45D
Semi-Automatic Paper Bag Bottom Opening and Gluing Machine
  1. Feeding Method: Automatic Feeder
    Paper Weight: Kraft Paper 150-250 gsm; White Cardboard /
    Grey Board (with PP Lamination) 180-250 gsm
  2. Bag Width Range: 180-400 mm
  3. Max.Bottom Card Size: 150 x 390 mm (5.90 x 9.84 inch)
  4. Min.Bottom Card Size: 60 x 170 mm (2.36 x 6.69 inch)
  5. Speed: 50-80 bags/minute
Semi-Automatic Paper Bag Bottom Opening and Gluing Machine
KL
350C
Semi-Automatic Paper Bag Bottom Card Pasting Machine
  1. Feeding Method: Automatic Feeder
  2. Paper Weight: 120-350 gsm
  3. Bag Width Range: 150-450 mm
  4. Speed: 70-100 bags/minute
Semi-Automatic Paper Bag Bottom Card Pasting Machine
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Semi-Automatic Production Line Combination

For customers wishing to establish a small-scale paper bag production line from scratch, equipment can be assembled according to the following process.

  1. From Flat Sheet to Tube (Forming)
  2. Insert Bottom Card for Reinforcement
  3. Glue and Seal Bottom
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Typical Products Made by H Series
Handbag
Handbag
Stable feeder feeding, crisp folding, and seamless forming — handbags made simple.
Flat Bottom Bag
Flat Bottom Bag
Auto bottom opening and glue spraying, hot melt sealing for flat and strong bottoms — bulk plain bag production made easy.
Reinforced Bottom Bag
Reinforced Bottom Bag
Auto bottom card placement and gluing, twisted rope handles for extra strength — premium quality for high-end bags.
Frequently Asked Questions
What's the difference between semi-automatic and fully automatic paper bag machines?
Semi-automatic machines require manual intervention for tasks like paper feeding and adjustments but automate key processes like forming, cutting, and gluing. They are ideal for small-batch, multi-variety production with lower investment compared to fully automatic systems.
What is the typical production speed of a semi-automatic machine?
Semi-automatic machines typically produce 20–40 bags per minute, depending on the model and operator skill level—making them suitable for small to medium production volumes.
How long does it take to change over between different bag sizes?
Changeover on semi-automatic equipment typically takes 10–20 minutes, as adjustments are made manually without complex programming—ideal for frequent size changes and diverse order types.
How many operators are needed to run a semi-automatic machine?
The 1200F handbag forming machine requires 1–2 operators, the 50A bottom gluing machine requires 1 operator, and the 350C bottom card machine requires 1 operator. These can be operated individually or combined into a small production line.
Can semi-automatic machines produce bags with bottom cards?
Yes. By combining the 1200F (forming) with the 350C (bottom card placement) and 50A (bottom gluing), you can produce reinforced bottom bags with card reinforcement for premium applications.
What is the typical return on investment for semi-automatic equipment?
Depending on order volume and labor cost savings, semi-automatic equipment typically pays back in 3–8 months. The 1200F alone can pay back in 3–6 months, while a full combination line (1200F + 350C + 50A) typically pays back in 6–10 months.
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Global Footprint · Trusted by Clients
KORO semi-automatic equipment is exported to over 30 countries, serving small and medium-sized paper bag enterprises worldwide.
KORO Global Clients
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We listen to market demands, transforming challenges into customized solutions—from complete production lines to core components—to craft equipment that seamlessly integrates with your production processes.
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Add: Pingyang, Wenzhou City, Zhejiang Province, China. P.C: 325400

WhatsApp/Wechat: 86-18358782897 / 86-13732015553

Tel: 0577-58105055

E-mail: [email protected] / [email protected]

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