Choose 1 motor or 2 motor strapping machine? In-depth technical comparison from the expert

Choosing a 1-motor or 2-motor strapping machine is a question that most manufacturing, logistics and packaging workshops face when investing in equipment. The wrong choice can lead to a lack of tension, quick failure of the motor or waste of investment costs.

This article provides an in-depth analysis from a practical technical perspective: tension regulation mechanisms, wire cocoon, AC & DC motors, durability, maintenance and long-term cost (TCO).

Consultant & Supplier: T-PACK
Hotline: 0326 416 666 (Click to chat on Zalo)
Website: https://t-pack.vn

Tension control principle & strapping mechanism
In-depth technical comparison of 1 motor vs 2 motor
AC or DC motor – which one to choose?
Maintenance, repair, and reliability
Should you choose a 1 motor or 2 motor strapping machine according to each need?
FAQ – Frequently Asked Questions

1. Tension control principle & strapping mechanism

1.1 Tension Mechanism

Gear – roller system: The drive motor pulls the rope through the pressing pulley.
Slip-Clutch: Limit tension to avoid overloading.
Tension knob: Mechanical (pulley press spring) or electronic adjustment.

1.2 Core differences between 1 motor and 2 motors

Machine 1 motor: One motor controls the entire camshaft mechanism: wire launch – wire tightening – welding – cutting. The tension is usually adjusted mechanically, the tension range is large, but the stability depends on the load.

2 motors: Separate the wire tightening motor and the welding/cutting camshaft control motor. As a result, the tension is controlled independently, more stable and more accurately, especially when running continuously.

2. In-depth technical comparison of 1 motor and 2 motor strapping machine

Criteria	Machine 1 Motor	Machine 2 Motor
Tension adjustment	Mechanical adjustment, large force range but less stable when load changes	Independent adjustment, stable, can control electronic precision
Maximum tension	Large tightening force due to high gear ratio	Easy to keep stable force for a long time
Wire pickiness	Less picky about wires, can use medium quality PP wires	Uniform wire requirements for optimal tension
Strapping speed	Slower	Faster, suitable for continuous production
Continuous Running (Duty Cycle)	Easy to overheat the motor if you run for a long time	Load distribution of 2 motors → less hot and more durable
Easy to repair	Simple structure, easy to replace the motor	More complicated, requires calibration techniques
Minor breakdowns	Fewer electronic components → less electrical faults	Less overload due to load sharing, reduce mechanical stress

3. AC or DC motor in strapping machine?

AC Motor

Durable, low maintenance
Low cost
Fits traditional 1 motor machine

DC/Servo Motor

Precise tension control
Quick Response
Fits high-end 2 motors

Conclusion: If high tension accuracy is required→ choose DC/Servo. If durable and easy to fix are prioritized→ choose AC.

4. Practical maintenance and reliability

Machine 1 motor

Easy to change the motor
Less electronic modules
Suitable for small workshops without intensive techniques

2 motor machine

Less overload
Stable during long shifts
Reduce long-term downtime

5. So should you choose 1 motor or 2 motor strapping machine?

Choose a 1 motor machine when:

< 100 kiện/ngày
Limited budget
Medium quality PP wire
Need to be easy to repair

Choose a 2 motor machine when:

> 200 pieces/day
Running continuously for 8 hours or more
Stable tension requirements
Want to reduce long-term breakdowns

In summary: The 1 motor machine is strong in terms of tightening force and rope flexibility. The 2 motor machine is strong in terms of stability and durability when running continuously.

6. FAQ – Frequently Asked Questions

Does a 1 motor machine have a greater tension than a 2 motor machine?

The tension depends on the torque and gear ratio. A 1-motor machine can tighten hard, but a 2-motor machine keeps a more stable force when running for a long time.

Are 2 motor machines more durable?

Yes. Due to the load division, it is less hot motor, suitable for continuous production plant.

Does a 1 motor machine have fewer wire picks?

In many practical cases, 1-motor machines use medium-quality PP wires well thanks to the mechanical pressing mechanism.

If the budget is limited, which one should you choose?

It is recommended to choose a good quality 1 motor machine from a reputable unit to ensure performance and ease of maintenance.

In-depth consultation from T-PACK

Still don't know whether to choose a 1 motor strapping machine or a 2 motor strapping machine? Please send your information:

Number of pieces/day
Wire type (PP thickness, width mm)
Running time/day

T-PACK
Hotline: 0326 416 666 (Click to chat on Zalo)
Website: https://t-pack.vn

Choose 1 Motor or 2 Motor Strapping Machine? In-depth Technical Comparison