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820mm Max OD Auto PET Strap Winding Machine

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Jiaxing Chuanqi Machinery Equipment Co., Ltd.

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820mm Max OD Auto PET Strap Winding Machine

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Brand Name :	CHUQI
Model Number :	CQA800F
Certification :	CE
Price :	USD/RMB
Payment Terms :	T/T
Supply Ability :	1000 sets
Delivery Time :	60 days

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820mm Max OD Auto PET Strap Winding Machine

820 mm Max Package OD PET Strap Automatic Winding Machine Winder – 9–32 mm Width

Product Overview

The CQA800F fully automatic PET strap winder produces finished packages with a maximum outer diameter of 820 mm and handles strap widths of 9-32 mm. The extra-large coil significantly reduces change-over frequency for end users, making it ideal for large-scale automatic strapping lines, export packaging, and other applications requiring long PET strap lengths.

With a large 406 mm mandrel (customizable), each coil holds more strap length, reducing labor costs for change-over. The machine uses dancer constant tension with dual servo motors to ensure uniform density from core to outer layer. Integrated automatic film wrapping and flip discharge protect the finished coil and facilitate conveyance. Winding speed 50-250 m/min, traverse length 50-200 mm adjustable - covering multiple specifications.

Technical Specifications

Parameter	Specification
Model	CQA800F
Maximum package outer diameter	820 mm
Strap width range	9 - 32 mm
Mandrel diameter	406 mm or customized
Winding speed	50 - 250 m/min
Maximum pick-up speed	350 m/min
Traverse length	50 - 200 mm (adjustable)
Tension control	Dancer constant tension + dual servo
Automatic functions	Film wrapping, flip discharge, core feeding
Measurement modes	Weight, length

Key Features

820 mm large diameter - Holds 2-2.2* the length of a typical 500 mm coil
Wide width coverage - 9-32 mm, from light-duty to heavy-duty PET straps
Fewer downstream change-overs - Automatic strapping lines run longer, improving efficiency
406 mm large core - Standard for heavy-duty PET straps; customizable
Uniform tension inner to outer - Dancer + dual servo ensures large coil quality
Automatic film wrapping - Dust protection, anti-loosening, improves product appearance
Suitable for multi-line production - 1-out-of-6 or 1-out-of-8 lines, robot-compatible

Frequently Asked Questions

Q1: How much more strap length does an 820 mm OD coil hold compared to a typical 500 mm coil?

A: With a 406 mm core, the cross-sectional area of an 820 mm OD coil is about 2.2 times that of a 500 mm OD coil, so length is roughly 2.2 times longer. For example, a 500 mm coil might hold 500 meters, an 820 mm coil can hold over 1100 meters.

Q2: Does the 9-32 mm width range cover all common specifications?

A: Yes. From 9 mm narrow hand strapping to 32 mm heavy-duty petrochemical strapping, all are covered.

Q3: How is the large coil removed from the machine?

A: The machine automatically flips the finished coil onto the roller conveyor below, which then carries it out - no manual handling required.

Q4: Do I need to reduce winding speed for 820 mm coils?

A: No. The machine can complete the entire winding process at 250 m/min linear speed; the spindle speed automatically decreases as the diameter grows.

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