Weight & Length Dual Measurement PET Strap Semi-auto Winder
The CQ800 semi-automatic PET strap winder offers two independent measurement modes: by weight (kg) and by length (meter). Operators can switch between modes at any time based on production or inventory needs. Weight mode is suitable for packaging and shipping according to order weight; length mode uses an encoder to measure wound meters, precisely controlling the length per coil, avoiding material waste and downstream complaints. In both modes, when the preset value is reached, the machine automatically stops and signals. This feature greatly improves batch management, cost accounting, and customer satisfaction, especially for export orders or contracts priced per kg/per meter.
| Parameter | Specification |
|---|---|
| Model | CQ800 |
| Number of measurement modes | 2 |
| Mode 1 | Weight (kg) |
| Mode 2 | Length (meter) |
| Switching method | Touchscreen or control panel selection |
| Weight measurement method | Load cell (optional external or built-in) |
| Length measurement method | Encoder measuring spindle revolutions |
| Stop method | Automatic stop and signal at set value |
| Measurement accuracy | Weight ±1% / Length ±0.5% |
- Dual mode switchable - Weight or length, meeting different business needs.
- Precise control - Automatic stop at set value, eliminating overfill or shortage.
- Reduces material waste - Avoids scrapping coils due to inaccurate meter count.
- Easy cost accounting - Directly calculate production cost by weight or length.
- Ideal for export orders - Meets customer requirements for coil weight or length.
- Simple operation - Enter target value on touchscreen.
- Data traceability - Optional logging of weight/length per coil and label printing.
Yes. The operator can select the desired mode on the touchscreen before running or during a stop - no hardware modification required.
In length mode, an encoder measures spindle revolutions and converts to meters. In weight mode, a load cell (external or built-in) measures coil weight. When the reading reaches the setpoint, the PLC issues a stop command.
Length mode uses an encoder, offering high and stable accuracy - typically <0.5% error. Weight mode depends on load cell accuracy, typical ±1%. Periodic calibration improves precision.
The machine runs in one mode at a time. However, you can wind in length mode then weigh the coil on a separate scale, or vice versa.
It ensures batch-to-batch consistency, eliminates guesswork, and reduces customer complaints, especially for export orders or contracts priced per kg/per meter.
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