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Ruian Zhongtai Machinery ZHZ-300 Shrink Sleeve label Sealing Mach

Model 300mm
Unwinding Width: 600mm
Unwinding Diameter: 600mm
Rewinding Diameter: 700mm
Maximum Operating Speed: 300m/min
Minimum Sealing Size: 30mm
Maximum Sealing Size: 300mm
Total Power: 3.5kW
Voltage: 220V, single-phase, 60Hz
Machine Dimensions: 3180x1450x1650mm
Total Weight: 1000kg

ZHZ-300 High Speed Shrink Sleeve Label Sealing Machine is specifically designed for folding film materials (such as PET, PVC, etc.) into reel-shaped packaging material.

1. The main motor is a frequency converter motor, utilizing vector inverter for closed-loop control, yielding high-precision speed regulation and ensuring uniform glue application at both low and high speeds.
2. Unwinding tension is controlled by a 2.5kg magnetic powder brake with a tolerance of ±0.5kg.
3. Automatic tension adjustment during acceleration and deceleration, compensating via inertia.
4. EPC unit from Pausource (TAIWAN brand) offers a tracking tolerance of ±, with a maximum tracking speed of 25mm/s and side-to-side adjustment range of ±70mm.
5. Unwinding features a 3-inch air shaft.
6. Traction steel roller (pressure roller) is 90mm in diameter and 320mm in width, with a chromium-plated, precision-machined surface.
7. Traction rubber roller measures 90mm in diameter and 320mm in width, manufactured from polyurethane rubber.
8. Steel roller clutch employs pneumatic cylinders (diameter: 50mm, 20mm stroke) on both sides for simultaneous operation; adjustable pressure.
9. Traction rubber roller operates independently, driven synchronously by a vector inverter motor.
10. Rewinding roller uses a 3-inch batten-type air shaft.
11. Rewinding section is equipped with an independent motor and magnetism-based tension control, delivering low heating and stable, precise tension.
12. Rewinding conicity tension (semi-diameter tension curve; speed-tension curve): automatically stops upon reaching the preset rewinding length or diameter, or when the minimum unwinding diameter is reached.
13. The gluing unit is fitted with a solenoid valve needle valve and a flow metering pump. The pump automatically regulates glue delivery—activating during operation and shutting off when stopped.
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15. The center of the machine houses an idle guide roller made from aluminum alloy, hard-anodized (similar to brown guide roller); upon rotation, static balance is ±0.4g; coating specification: Φ30mm–Φ300mm; maximum gluing speed is 300m/min; sealing accuracy: ±0.3mm.
16. Aluminum format plates configure label sizes; different plates available for various label dimensions.

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