Plastic Straw Production Line
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Automatic Plastic Straw Production Line for PP, PE and PLA Straws
Plastic Straw Making Machine for Stable Drinking Straw Manufacturing
This automatic plastic straw making machine is built for factories that need consistent straw dimensions, smooth cutting, reliable bending and optional U-shape packing. It is suitable for buyers searching for a plastic straw production line supplier, straw extrusion line, PLA straw production line or PP straw making machine.
Complete Line Configuration
Extrusion, spray cooling, haul-off, cutting, flexible straw bending and U-shape straw packing can be configured as one coordinated plastic straw production line.
Wide Straw Size Range
The RG-150S extrusion line supports straw outer diameter from 2–12 mm and wall thickness from 0.08–1 mm, depending on mould and product requirements.
For Multiple Straw Materials
The line can process PP, PE and PLA. Final plastic straw properties such as flexibility, stiffness and appearance depend on material formula and process settings.
RG-150S Plastic Straw Production Line Specifications
Key technical details from the supplied RG-150S straw line document. Final configuration can be customized according to straw size, power standard and packaging requirement.
| Line capacity | 30,000–40,000 straws/hour |
| Applicable material | PP, PE, PLA |
| Straw outer diameter | 2–12 mm |
| Straw wall thickness | 0.08–1 mm |
| Extruder screw diameter | 50 mm |
| Screw L/D ratio | 28:1 |
| Screw and barrel material | 38CrMoAlA, nitrogen treated |
| Maximum extrusion output | 35 kg/hour for PP, PE or PLA |
| Line speed | 0–250 m/min |
| Cutting length | 5–800 mm |
| Cooling tank | 3500 mm SUS304 spray cooling tank |
| Flexible straw bending capacity | 200–300 pcs/min |
| U-shape straw packing capacity | 500–700 pcs/min |
| Power supply | 380 V / 50 Hz, customizable |
| Operator requirement | 1 operator for the extrusion line |
How the Plastic Straw Manufacturing Process Works
The plastic straw manufacturing process is more than extrusion. Each machine must match the next step so the final straw has stable diameter, smooth cutting, correct length and reliable packing quality.
🧪 Raw Material Feeding & Formula Preparation
PP, PE or PLA resin is prepared according to the required plastic straw properties. Colour masterbatch or additives can be mixed before feeding, depending on the required straw colour, flexibility and appearance.
- Material affects stiffness, transparency and bending performance.
- Moisture and material consistency should be controlled before extrusion.
🔥 Melting and Straw Extrusion
The RG-150S screw extruder heats and melts the raw material. The melted plastic passes through the straw mould to form a continuous plastic tube with the target diameter and wall thickness.
- 50 mm screw with 28:1 L/D ratio supports stable plasticization.
- Mould selection controls straw OD, wall thickness and shape.
💧 Spray Cooling and Calibration
The newly extruded straw tube enters the SUS304 spray cooling tank. Cooling stabilizes the straw shape and helps control outer diameter before pulling and cutting.
- Cooling must be even to avoid deformation.
- Tank alignment helps keep the straw straight and stable.
📏 Haul-Off, Length Control and Cutting
The haul-off unit pulls the straw at a controlled speed. The cutting unit then cuts the tube to the required length, such as straight drinking straws or blanks for flexible straw bending.
- Line speed can be adjusted up to 250 m/min.
- Cutting length range is 5–800 mm according to product requirements.
〰️ Flexible Straw Bending
Straight straws can be transferred to the flexible straw bending machine. This machine forms the corrugated flexible section so the straw can bend without breaking or collapsing.
- RG-021B bending capacity is 200–300 pcs/min.
- Correct straw diameter and material are important for clean bending.
📦 U-Shape Forming and Film Packing
For aseptic beverage packs, flexible straws can be bent into U-shape and sealed into BOPP film bags. The packed straw is then ready to attach to drink cartons.
- RG-033P packing capacity is 500–700 pcs/min.
- Confirm U-shape length, film width and drink box size before ordering.
Main Equipment in the Straw Production Line
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🥤 One-Colour Plastic Straw Extrusion Line
Produces straight plastic straws from PP, PE or PLA resin through extrusion, cooling, haul-off and cutting. This is the core machine of the plastic straw production line.
〰️ Flexible Straw Bending Machine
Processes straight straws into flexible corrugated straws. It is suitable for factories producing bendable drinking straws for beverage and foodservice use.
📦 U-Shape Straw Packing Machine
Bends flexible straws into U-shape and packs them into heat-sealable BOPP film bags in one pass. This machine is used for aseptic beverage carton straw packing.
🔧 Additional Size Change-Over Kit
Format parts for one additional aseptic drink pack size. This option is useful when one factory needs to produce U-shape packed straws for multiple beverage carton sizes.
What Properties Should Buyers Confirm?
Before ordering a plastic straw production line, confirm the required plastic straw properties so the mould, cooling, cutting and packing system match the final product.
- Outer diameter, inner diameter and wall thickness
- Straw stiffness, flexibility and bending performance
- Cut length, cutting angle and end smoothness
- Material choice: PP, PE, PLA or special formula
- U-shape size, pitch and packing film compatibility
How Much Is Straw Production Line?
The price of a straw production line depends on output capacity, straw size range, material, automation level, bending machine, U-shape packing machine, moulds, change-over kits and electrical customization.
- Basic extrusion-only line or complete automatic line
- Flexible straw and U-shape straw packaging requirements
- Number of straw sizes and mould/change-over sets
- Factory voltage, frequency and component standards
- Shipping, installation support and spare parts package
Suitable Products and Factory Applications
The RG-150S plastic straw extrusion line can produce standard drinking straws and, with corresponding moulds, other small plastic profile products.
Drinking Straws
Straight plastic straws for beverage, foodservice and retail packaging applications.
Aseptic Drink-Pack Straws
Flexible U-shape packed straws for 125 ml and 200 ml beverage cartons when configured with the packing machine.
Small Plastic Profiles
Coffee stirrers, lollipop sticks, candy-floss sticks, spray straws and micro-drip irrigation pipe with suitable moulds.
Plastic Straw Production Line FAQ
What is a plastic straw production line?
A plastic straw production line is a complete machine system that melts plastic resin, extrudes the straw tube, cools and calibrates it, pulls it forward, cuts it to length and optionally bends or packs the straw.
What materials can the RG-150S plastic straw production line use?
The listed materials are PP, PE and PLA. Special formulas should be tested before production to confirm extrusion stability and final straw properties.
What is the capacity of the RG-150S straw production line?
The listed output of the RG-150S one-colour plastic straw extrusion line is 30,000–40,000 straws per hour.
What is the plastic straw manufacturing process?
The process includes material feeding, screw extrusion, mould forming, spray cooling, haul-off, cutting, flexible straw bending and U-shape film packing when required.
How much is straw production line?
The cost depends on whether the buyer needs only extrusion or a complete automatic plastic straw production line with bending, packing, moulds and change-over kits. Send straw size, material, capacity and packing requirements to receive an accurate quotation.
Can the line produce PLA straws?
Yes, the supplied specification lists PLA as an applicable material, together with PP and PE. Actual production should be confirmed according to the PLA grade and straw size.
Need a Plastic Straw Production Line Quotation?
Send your straw diameter, length, material, target capacity, packing style and power supply. Rolangear can help confirm the suitable RG-150S straw production line configuration.
Specifications can be customized according to material, product size, packaging method and factory requirements.
Elige opciones
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