Contents
Introduction
In the competitive world of product packaging and branding, achieving high-quality, durable prints on cylindrical and conical containers is a challenge that many manufacturers face daily. Whether you are printing logos on plastic cups, cosmetic bottles, or glass jars, the right equipment can make all the difference in production efficiency and print quality. The JST-R300 semi-automatic cup screen printing machine from Shenzhen Juste Machine Co., Ltd. is engineered specifically to address these challenges, offering a versatile and cost-effective solution for businesses of all sizes.
Not sure which screen printing machine fits your plastic cup? Or need a custom fixture mold for your metal tube, plastic tube, plastic cup?
👇 Click my photo below to chat with me directly on WhatsApp — I’ll send you a free tailored quote within 8 hours.
The machine features a robust construction with anti-vibration feet and casters, allowing easy mobility across your workshop while absorbing operational vibrations to maintain print precision. This design ensures both flexibility and stability during high-speed production.
In this guide, you will learn:
- The key features that make the JST-R300 a reliable choice for cup and bottle printing
- How its pneumatic system and high-quality components ensure consistent results
- What products and materials this versatile screen printer can handle
What is a Semi-Automatic Cup Screen Printing Machine?
A semi-automatic cup screen printing machine is a specialized printing device designed to apply logos, patterns, and text onto the surface of cylindrical or conical objects such as cups, bottles, tubes, and jars. Unlike fully automatic machines that require complex setup and high investment, semi-automatic models offer an ideal balance of affordability, ease of operation, and production efficiency.
The JST-R300 operates on a simple yet effective principle: a screen plate with the desired design is mounted on a pneumatic cylinder, while the product is secured on a worktable that moves vertically. When the worktable rises, the product makes contact with the screen, and the squeegee presses the ink through the mesh, transferring the design onto the product surface. The entire process is controlled via a foot pedal, allowing operators to maintain a steady production pace of up to 1500 pieces per hour.
Key Selling Points of the JST-R300
Versatile 2-in-1 Round and Flat Printing: The JST-R300 is not just a cylindrical screen printer—it can be easily switched to flat surface printing mode. This dual-functionality makes it an excellent investment for businesses that print on both curved and flat products, maximizing machine utilization and return on investment.
High-Speed Production at 1500 pcs/h: With a maximum printing speed of 1500 pieces per hour, this semi-automatic screen printing machine significantly reduces per-unit labor costs while maintaining consistent print quality. The pneumatic drive system ensures smooth, reliable operation throughout long production runs.
Accommodates a Wide Range of Product Sizes: The machine handles cylindrical products up to 95mm in full-circle diameter (190mm for half-circle) and features an adjustable printing length of 300mm (with options up to 1200mm). This flexibility allows you to print on everything from small cosmetic tubes to large beverage bottles.
Easy Operation with Quick Changeover: Designed with small businesses and varied order quantities in mind, the JST-R300 features intuitive controls and quick-change fixtures. Operators can switch between different product types in minutes, making it ideal for factories that handle diverse printing jobs.
Built with Premium Global Components: The machine incorporates an Airtac pneumatic cylinder (Taiwan brand, ranked among the top in Asia) and SMC solenoid valves (world-renowned for quality and reliability). These components ensure long service life, precise control, and minimal downtime.
Cost-Effective Solution for Small to Medium Batches: Unlike fully automatic screen printing machines that require high upfront investment and are best suited for mass production, the JST-R300 offers an affordable entry point for small businesses, startups, and workshops handling various small orders.
Detailed Features and Component Breakdown
Electrical System with Fuse Protection
The JST-R300 is equipped with a built-in fuse in its power supply system. This critical safety feature protects the machine from sudden power surges or short circuits, preventing damage to the control board and other sensitive electronic components. It ensures long-term reliability and reduces unexpected downtime, giving you peace of mind during continuous operation.
Pneumatic Control System with Airtac Cylinder
The JST-R300 is powered by a precision pneumatic system featuring an Airtac brand cylinder. This component serves as the core power actuator, responsible for driving the screen frame升降, squeegee reciprocating motion, and product positioning clamping.
Key Features:
- Reliable Power Transmission: The Airtac cylinder delivers consistent force for screen lifting, squeegee pressing, and worktable elevation, ensuring each print is sharp and uniform.
- Durable Construction: Built with high-quality materials and precision engineering, this cylinder provides years of trouble-free operation even in demanding production environments.
SMC Solenoid Valve for Precision Air Control
The machine’s pneumatic circuit is controlled by an SMC solenoid valve, a globally recognized leader in fluid control technology. This component receives electrical signals to direct compressed air flow, precisely activating the cylinders for screen movement, squeegee action, and workpiece clamping.
Key Features:
- Exceptional Response Speed: The SMC valve ensures instantaneous air switching, enabling smooth and coordinated mechanical actions for seamless printing cycles.
- World-Class Reliability: As the world’s number one brand in pneumatic components, SMC guarantees consistent performance and minimal maintenance requirements.
Gear Rack Rotary Drive System
Unlike belt-driven systems that can slip and cause registration errors, the JST-R300 uses a robust gear rack mechanism to rotate products during printing. This mechanical drive ensures perfect synchronization between screen movement and product rotation.
Key Features:
- Zero-Slip Positioning: The gear rack drive provides positive mechanical engagement, eliminating the print distortion that can occur with friction-based rotation systems.
- Multi-Color Registration Capability: For multi-color printing, operators can manually rotate the product using the gear rack system for precise color-to-color alignment, making it possible to achieve professional multi-color results without expensive servo systems.
Universal Fixture System for Various Product Shapes
The JST-R300 comes with a versatile fixture system that accommodates cylindrical, conical, oval, and even square containers. For conical cups like milk tea cups, a custom support fixture is mounted on the rotating shaft to ensure stable positioning during printing.
Key Features:
- Quick-Change Design: Fixtures can be swapped in minutes, allowing rapid transitions between different product runs.
- Secure Product Holding: The pneumatic clamping system holds products firmly in place, preventing movement during the printing process for crisp, clean results.
Applications: What Can You Print with the JST-R300?
The JST-R300 semi-automatic cup screen printing machine is incredibly versatile, capable of printing on a wide range of materials, product shapes, and industries.
By Material:
- Plastic: PP, PET, PVC, Acrylic, Silicone
- Glass: Bottles, jars, vials, ampoules
- Metal: Aluminum bottles, cans, tins, buckets
- Other: Ceramic, Wood, Bamboo, Paper
By Industry and Product:
| Industry | Application Examples |
|---|---|
| Cosmetic & Skincare | Foundation bottles, perfume bottles, lipstick tubes, cream jars, cosmetic tubes |
| Food & Beverage | Water bottles, wine bottles, coffee cups, milk tea cups, honey jars, oil bottles |
| Daily Chemicals | Shampoo bottles, shower gel bottles, lotion bottles, detergent containers |
| Pharmaceutical | Syringes, ampoules, reagent bottles, medicine tubes |
| Industrial | Paint buckets, chemical containers, lubricant bottles |
By Product Shape:
- Cylindrical: Round bottles, cups, tubes, cans
- Conical: Tapered cups (milk tea cups, coffee cups)
- Oval & Square: Flat or slightly curved plastic bottles (with flat printing mode)
Frequently Asked Questions
Q: Are you a manufacturer or a trading company?
A: Shenzhen Juste Machine Co., Ltd. has been a direct screen printing machine manufacturer since 2002, with our factory located in Dongguan, China. We design, manufacture, and test all our machines in-house.
Q: Can this machine print on conical cups like milk tea cups?
A: Absolutely. With a custom-machined support fixture mounted on the rotating shaft, the JST-R300 handles conical cups perfectly.
Q: What is the printing speed of the JST-R300?
A: The machine operates at up to 1500 pieces per hour, depending on operator loading speed and product size.
Q: Do you provide a warranty and technical support?
A: Yes, we offer a comprehensive 1-year warranty covering manufacturing defects, plus lifetime technical support, video training, and online troubleshooting assistance.
Q: How does the machine ensure precise multi-color registration?
A: The JST-R300 uses a mechanical gear rack drive for zero-error positioning. For multi-color printing, you manually rotate the product between color changes for precise alignment—no expensive servo motors required.
Q: Can I use UV ink with this machine?
A: Yes, you can use UV ink with the JST-R300. However, UV ink requires curing under a UV lamp, so you will need a separate UV curing oven. Read our guide on UV Dryer vs IR Dryer.
Q: What is your lead time for a customized machine?
A: Standard machines typically ship within 15-20 working days. Customized machines with special fixtures or modifications require 25-30 working days.
Ready to Upgrade Your Production Line?
Whether you are printing on plastic cups, cosmetic bottles, glass jars, or any other cylindrical container, the JST-R300 semi-automatic cup screen printing machine offers the perfect balance of affordability, versatility, and performance. Contact Juste Machine today for a free consultation and a customized quote tailored to your specific printing needs.
📧 Email: [email protected]
💬 WhatsApp: Click to chat
🌐 Website: www.justemachine.com
