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This video shows how QTech-Machinery’s tumbler straw extrusion line works for THERMOS reusable straw production. It helps clarify the complete process, including material feeding, extrusion, cooling, haul-off, cutting, chamfering, and V-shape opening for LLDPE and PCT...
This video shows how QTech-Machinery’s tumbler straw extrusion line works for THERMOS reusable straw production. It helps clarify the complete process, including material feeding, extrusion, cooling, haul-off, cutting, chamfering, and V-shape opening for LLDPE and PCT tumbler straws.
Process Stages Shown
Materials Covered
Configuration points shown or mentioned in the footage.
| Parameter | Value |
|---|---|
| Automatic Vacuum Loader | QX-300 Automatic plastic pellet feeding |
| Stainless Steel Hopper | QX-25 25 kg material storage |
| Precision Servo Single Screw Extruder | QX-SJ50/28 Core extrusion unit for LLDPE and PCT materials |
| Straw Extrusion Die | 8 × 6 mm / 9.5 × 7.5 mm Forming tumbler straw dimensions |
| Vacuum Cooling Calibration Tank | QX-SC4500 Vacuum sizing, cooling, and calibration |
| Servo Belt Haul-off & Cutting Machine | QY-CM1200 Stable traction and precision cutting |
| Flying Knife Cutting System | Servo driven Rotary cutting for small plastic tubes |
| Manual Chamfering Machine | QX-75M Straw end chamfering and finishing |
| Manual Opening Machine | QX-OM1.8 V-shape straw opening / slotting |
| 5HP Industrial Chiller | JLSF-5HP Cooling water supply for extrusion process |
QTech-Machinery supplied a complete tumbler straw extrusion line for THERMOS, a globally recognized insulated drinkware brand. This project is designed for producing reusable plastic straws used in insulated tumblers, water bottles, and drinking cups.
The production line is suitable for LLDPE and PCT materials, supporting small-diameter straw production with stable extrusion, precise sizing, accurate cutting, chamfering, and V-shape opening.

THERMOS is a well-known global brand in the insulated drinkware industry. To meet the growing demand for reusable tumbler straws, the customer required a reliable and efficient plastic straw extrusion machine for high-quality small tube production.
This reusable straw production line is mainly used for producing:
| Application | Product Type |
|---|---|
| Insulated tumblers | Reusable tumbler straws |
| Water bottles | Plastic drinking straws |
| Drinking cups | Small-diameter plastic tubes |
| Custom drinkware accessories | LLDPE and PCT straws |

THERMOS required a complete small diameter tube extrusion line capable of producing both LLDPE and PCT tumbler straws.
| Item | Specification |
|---|---|
| Material | LLDPE / PCT |
| LLDPE Straw Size | 8 × 6 mm |
| PCT Straw Size | 8 × 6 mm / 9.5 × 7.5 mm |
| Production Capacity | 10–40 kg/h |
| Power Supply | 380V / 50Hz / Three Phase |
| Application | Tumbler straw and reusable plastic straw production |
QTech-Machinery provided a customized LLDPE and PCT straw extrusion line for THERMOS. The complete solution covers material feeding, extrusion, cooling, calibration, haul-off, cutting, chamfering, opening, and water cooling.
This plastic tube extrusion line helps the customer achieve consistent production quality and efficient downstream processing.
| No. | Machine | Model | Function |
|---|---|---|---|
| 1 | Automatic Vacuum Loader | QX-300 | Automatic plastic pellet feeding |
| 2 | Stainless Steel Hopper | QX-25 | Material storage and feeding |
| 3 | Precision Servo Single Screw Extruder | QX-SJ50/28 | LLDPE and PCT extrusion |
| 4 | Straw Extrusion Die | Customized | Forming 8 mm and 9.5 mm straws |
| 5 | Vacuum Cooling Calibration Tank | QX-SC4500 | Cooling and sizing |
| 6 | Servo Belt Haul-off & Cutting Machine | QY-CM1200 | Traction and precision cutting |
| 7 | Flying Knife Cutting System | Servo Driven | Rotary cutting for small tubes |
| 8 | Manual Chamfering Machine | QX-75M | Straw end chamfering |
| 9 | Manual Opening Machine | QX-OM1.8 | V-shape straw opening |
| 10 | 5HP Industrial Chiller | JLSF-5HP | Process water cooling |

| Configuration | Details |
|---|---|
| Model | QX-SJ50/28 |
| Screw Diameter | 50 mm |
| L/D Ratio | 28:1 |
| Screw Speed | 0–70 rpm |
| Motor Power | 22 kW |
| Motor Type | Inovance permanent magnet synchronous motor |
| Operation | Touchscreen control |
| Output Capacity | 10–40 kg/h |
| Screw Material | 38CrMoALA, nitriding treatment |
| Application | Plastic straw extrusion and small tube extrusion |

| Configuration | Details |
|---|---|
| Model | QX-SC4500 |
| Tank Size | 4500 × 230 × 235 mm |
| Vacuum Tank Length | 1000 mm |
| Material | 304 stainless steel |
| Vacuum Pump Power | 1.5 kW |
| Vacuum Range | 0 to -50 kPa |
| Control Accuracy | ±0.1 kPa |
| Cooling Method | Water cooling |
| Adjustment | Front/back, left/right, up/down adjustable |
| Application | Tube sizing and cooling calibration |

| Configuration | Details |
|---|---|
| Model | QY-CM1200 |
| Haul-off Length | 1000 mm |
| Center Height | 1000 ± 50 mm |
| Belt Width | 80 mm |
| Belt Material | Wear-resistant polyurethane |
| Motor Power | 1 kW × 2 |
| Motor Brand | Inovance servo motor |
| PLC | Mitsubishi PLC |
| Touchscreen | Kunlun Tongtai |
| Application | Stable traction and precision cutting |

| Machine | Function | Key Feature |
|---|---|---|
| Manual Chamfering Machine | Straw end chamfering | Pneumatic clamping and turning tool |
| Manual Opening Machine | V-shape straw opening | Customized V-shape cutter |
| Flying Knife Cutting System | Rotary cutting | Servo-driven cutting length control |
| Step | Process | Description |
|---|---|---|
| 1 | Material Feeding | LLDPE or PCT pellets are loaded automatically |
| 2 | Plasticizing & Extrusion | Single screw extruder melts and extrudes the material |
| 3 | Die Forming | Customized straw die forms the required tube size |
| 4 | Vacuum Calibration | Tube diameter is stabilized by vacuum sizing |
| 5 | Water Cooling | The straw is cooled in the stainless steel water tank |
| 6 | Haul-off | Servo belt haul-off ensures stable traction |
| 7 | Cutting | Flying knife system cuts the straw to set length |
| 8 | Chamfering | Straw ends are chamfered for smooth finishing |
| 9 | Opening | V-shape openings are processed according to product design |
| 10 | Final Collection | Finished tumbler straws are ready for inspection and packing |
| Result | Description |
|---|---|
| Stable Extrusion | Suitable for continuous LLDPE and PCT straw production |
| Accurate Dimensions | Supports 8 × 6 mm and 9.5 × 7.5 mm straw sizes |
| Smooth Surface | Optimized die and cooling system improve surface quality |
| Precise Cutting | Servo cutting system ensures accurate straw length |
| Better Finishing | Chamfering and V-shape opening improve product usability |
| Flexible Application | Suitable for tumbler straws, water bottle straws, and reusable drinking straws |
| Production Capacity | 10–40 kg/h |
| Complete Solution | From extrusion to post-processing in one production line |
This THERMOS project demonstrates QTech-Machinery’s capability to deliver a complete and customized tumbler straw extrusion line for premium reusable straw manufacturing.
With stable extrusion, precise vacuum calibration, servo haul-off cutting, chamfering, and V-shape opening, the production line provides an efficient solution for LLDPE and PCT tumbler straw production.
For customers looking for a reliable plastic straw extrusion machine, reusable straw production line, or small diameter tube extrusion line, QTech-Machinery can provide tailored equipment solutions based on product size, material, capacity, and production requirements.
The machine in this video is one configuration. Send your target output, raw material, product size range, and local voltage, and our engineers quote the correct screw, die, downstream, and control setup for your market.
If your question is not covered here, send it over. Maggie replies with drawings, test footage, or a spare parts list within 24 hours.
It produces reusable plastic straws for insulated tumblers, water bottles, and drinking cups, including LLDPE and PCT straw sizes such as 8×6 mm and 9.5×7.5 mm.
The line is designed for LLDPE and PCT materials, making it suitable for reusable tumbler straw and small diameter plastic tube production.
The line includes an automatic vacuum loader, single screw extruder, straw extrusion die, vacuum cooling calibration tank, servo haul-off cutting machine, flying knife cutting system, chamfering machine, opening machine, and industrial chiller.
The straw is formed by a customized extrusion die and then passes through a vacuum cooling calibration tank, which helps stabilize the outer diameter, inner diameter, and overall shape.
Yes. The servo haul-off and flying knife cutting system allows the cutting length to be set and adjusted through the control system for consistent straw length.
The chamfering machine processes the straw ends to make them smoother and more suitable for final use in tumbler and bottle applications.
The V-shape opening machine creates a customized opening or slot on the straw end according to the product design requirements.
The production capacity is approximately 10–40 kg/h, depending on material, straw size, process settings, and production conditions.
Yes. Besides tumbler straws, the line can also be used as a small diameter plastic tube extrusion line for similar tube products.
The line is designed for continuous industrial production of reusable tumbler straws, with servo control, vacuum calibration, precision cutting, and integrated downstream equipment.
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Maggie
Machinery Sales, QTech Machinery
Replies within 24 hoursEvery message here reaches me directly. Tell me what you need to produce and I come back with a line configuration and a real quote, not a brochure.
Your material, product size range, output target, or a drawing is enough to start. We supply extrusion, pulverizing, pelletizing, and material handling lines to factories and importers across 60+ countries.
Maggie
Sales, Zhangjiagang Qinxiang Machinery Co., Ltd.
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