Versatile 4-station thermoforming – clamshells and fruit punnets, with or without holes
Watch the DM7880 (Honggang and Dongxing) – a 4-station thermoformer capable of producing clamshells, fruit punnets with ventilation holes, and solid punnets without holes – covering all types of fruit packaging. Forming area: 780x800mm (very large size).
Forming Servo: Taiwan Delta – Upper 7.5KW + Lower 7.5KW (Optional: ABB or YASKAWA)
Stretching Servo: Taiwan Delta 3.0KW
Cutting Servo: Taiwan Delta – Upper 7.5KW + Lower 7.5KW
Punching Servo (Optional): Taiwan Delta – Upper 7.5KW + Lower 5.5KW
Stacking Servo: Taiwan Delta 2.0KW
Key Specifications:
Model: DM7880 (Honggang and Dongxing)
Stations: 4 stations – including forming, cutting, punching, and stacking
Forming area: 780x800mm (very large size)
Material Compatibility: PET, PP, PS, PLA, degradable materials, and more
Applications: Clamshells (hinged or snap-on); fruit punnets with holes (ventilation for berries, grapes, cherries); fruit punnets without holes (solid base for citrus, apples, stone fruits); any fruit package – customizable to your product needs
Machine type: 4-station fully automatic – saves labor cost
Mould system: Auto locker – 15 to 30 minutes mould change
Mould sharing: Self-designed stations – compatible with other brands
Bearing-style stations: Oil-free – grease only once every 3 to 4 years
Four-Station Advantage:
| Station | Function |
|---|---|
| Station 1 | Forming ( air pressure and vaccum) |
| Station 2 | Cutting/Trimming |
| Station 3 | Punching (for ventilation holes – optional) |
| Station 4 | Stacking / Pick-out |
Flexibility: Produce punnets with holes (activate punching station) or without holes (skip punching) – same machine, same mould platform.
Forming Station – Pressure and Vacuum Forming
Forming Method: Positive and negative pressure forming
Forming Upper Mold Table: Height adjustable by 50mm
Positive Pressure Valve: Japanese SMC ultra-high-response fluid valves
Bottom Air System: High-volume airflow valve
Safety Device: Fitted with safety pins for convenient operation
Cooling System
Chiller: 10HP water-cooled chiller – Ouba brand (dual Panasonic compressors, high-pressure pump, high flow rate)
Cooling method: Circulating water cooling for molds (6 inlet ports and 6 outlet ports)
Heating System – Intelligent Temperature Control (Hero System)
Controller: Zhuanggu (Hero) one-computer-to-one-zone digital temperature control
Real-time OS: VxWorks | Industrial Bus: Power LINK
Temperature Measurement Module: Japan Azbil (Yamatake)
Temperature Accuracy: ±0.3°C
Energy Saving: More than 20% energy saving vs traditional systems
Startup Time: 3 to 5 minutes stable startup
Heating Elements: Germany ELSTEIN 122x122mm 650W + Tianbao ceramic bricks (Sweden KANTHAL heating wire)
Upper and lower furnace heating – lower furnace with protective steel mesh
Advanced monitoring: Heater open circuit, fuse open circuit, SCR status alarm
Driving System – Taiwan Delta Servo
Forming Servo: Taiwan Delta – Upper 7.5KW + Lower 7.5KW (Optional: ABB or YASKAWA)
Stretching Servo: Taiwan Delta 3.0KW
Cutting Servo: Taiwan Delta – Upper 7.5KW + Lower 7.5KW
Punching Servo (Optional): Taiwan Delta – Upper 7.5KW + Lower 5.5KW
Stacking Servo: Taiwan Delta 2.0KW
Forming and Cutting Die Table (QT500 Ductile Iron)
Five-point external curved toggle clamping mechanism (upper and lower)
K-series hardened helical gear reducer servo drive – stable clamping and cutting force
Precision alloy wear-resistant bearings – self-lubricating, long service life, easy replacement
Reducer optional: Germany NORD or SEW
Fruit Packaging Examples:
| Fruit | Punnet Type | Holes |
|---|---|---|
| Strawberries | Clamshell / Punnet | Yes |
| Blueberries | Small punnet | Yes |
| Grapes | Large punnet | Yes |
| Cherries | Clamshell | Yes |
| Apples | Tray | No |
| Oranges | Tray | No |
| Peaches | Tray | No |
| Mixed fruit | Clamshell | Optional |
After-Sales:
Full support from Honggang and Dongxing – a proven 150-person team. 90 to 100 sets produced annually with continuous design upgrades based on real customer feedback.
Ideal for:
Clamshells, fruit punnets (with or without holes), berry boxes, grape trays, cherry containers, apple and orange trays – any fruit package.
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Contact Honggang and Dongxing for pricing, mould sharing compatibility, or a factory visit.
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