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Wuhan Xinhuayuan Environmental Science and Technology Co.,Ltd
1 Years
| Ask Lasest Price | |
| Brand Name : | XHY |
| Model Number : | XHY |
| Certification : | FSC |
| Price : | Depending on your quantity and design |
| Payment Terms : | T/T |
| Supply Ability : | 2000 Tons Per Month |
| Delivery Time : | 15-30 days |
| Brand Name | XHY |
|---|---|
| Certification | FSC |
| PE/PLA Weight | 9-26gsm |
| Paper Weight | 150-350gsm |
| Core Dia | 3 inch, 6 inch |
| Material | 100% Wood Pulp |
| Usage | Paper Cups, Hot Drinks, Cold Beverages etc |
| Feature | Heat Insulation, Greaseproof, Waterproof |
| Color | 1-7 Colors |
| Size | 2.5oz-32oz |
The manufacturing of disposable paper cups is a continuous, high-speed process on an automated production line. Here are the key steps:
Raw Materials:
Paperboard: Blanks of paperboard, pre-printed with designs.
Polyethylene (PE) or Polylactic Acid (PLA) Pellets: For the waterproof coating.
Step-by-Step Manufacturing Process:
Printing & Coating (Offline or Inline):
The paperboard is first printed with the desired design using flexographic or offset printing.
It is then coated on one or both sides with a thin layer of PE (for standard cups) or PLA (for compostable cups). This coating makes the cup waterproof and prevents leakage. This step can be done beforehand (pre-coated board) or as part of the cup-making line.
Winding & Blanking:
The large rolls of coated paperboard are fed into the cup-making machine.
A machine cuts the large sheets into rectangular blanks, which are the correct size for a single cup.
Forming the Cup Body:
The blank is fed into the cup-making machine and wrapped around a cylindrical mandrel (mold).
The longitudinal (vertical) seam is sealed by heating the PE/PLA coating and pressing it together, creating a strong "side seam."
Bottom Forming:
A separate disc, punched from the same coated paperboard, is fed into the machine. This will become the cup's bottom.
The open bottom of the cup body is heated to soften the coating.
The bottom disc is pressed precisely onto the heated rim. The machine curls both the cup wall and the bottom disc inward, and then presses and heats them to form a tight, leak-proof seal. This is called the "bottom curl."
Rim Curling:
The top of the cup (the rim) is rolled outward to form a smooth, safe, and rigid curl. This makes the cup more comfortable to drink from and adds structural strength.
Quality Control & Packaging:
Cups are automatically inspected for sealing defects.
They are stacked, bundled, and packaged into sleeves or bulk boxes for shipping.
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