Automatisk screentryckmaskin för kaffekoppar

Automatisk screentryckmaskin för kaffekoppar

Kämpar du med inkonsekvent passning på koniska kaffekoppar? JST‑R300 helautomatisk koppscreentryckmaskin löser detta med servodriven precision – skriver ut upp till 4 500 koppar per timme with ±0,1 mm noggrannhet. Den här artikeln förklarar hela utskriftsarbetsflödet och ger lösningar på vanliga problem som bläckflagning under is, utskriftsspökbilder och fixturmatchningar. Och du läser inte bara om det: vår Engelsktalande ingenjörer kommer att visa dig hela processen live via ett videosamtal, med dina egna produktprover.

I denna demo kommer du att se:

• ✅ Hur det automatiska lastningssystemet matar koppar kontinuerligt utan stopp
• ✅ Varför koronabehandling är hoppas över för pappersmuggar – och när det behövs för plast
• ✅ Hur en söm-linjessensor (valfritt) undviker att trycka över pappersmuggens skarv
• ✅ Den tryckstation med dubbla servomotorer, elektromagnetisk chuck och omedelbar registrering
• ✅ Hur UV‑LED-härdning (1 kW, 395 nm) levererar omedelbara, repbeständiga resultat
• ✅ Automatisk avlastning, stapling och räkning – helt utan manuell inblandning
• ✅ Och slutligen, den färdiga Starbucks‑inspirerad kaffekopp – crisp, durable, and ready for branding

👉 Föredrar du att titta först? Vår ingenjör kommer att köra samma process med din koppdesign på ett privat videosamtal – ingen tolk behövs. Boka din kostnadsfria livedemo nu.

Kärnfördelar i korthet

Benefit	Varför det är viktigt
±0,1 mm registrering	Varje utskrift hamnar exakt där den ska – även vid flera genomkörningar för flerfärgsjobb.
4 500–4 800 st/timme	Hög produktion för kommersiella beställningar, men helautomatisk så du sparar arbetskostnader.
8-stations roterande vändskiva	Förbehandling, tryckning, härdning och avlastning sker samtidigt – ingen stilleståndstid.
Tillverkad av en riktig tillverkare	9 000 m² fabrik, 10 CNC-centra och egen ingenjörskonst sedan 2013.
Prata med våra ingenjörer – på engelska	No language barrier. Our 20‑year PLC expert speaks fluent English and joins your video call to answer technical questions on the spot.
Free pre‑shipment video inspection	We walk you through your finished machine before it’s crated – you see every detail, and we adjust if needed.

Steg för steg: Hur vi trycker en Starbucks-liknande kaffekopp

All images below show real production on the JST‑R300 at our Shenzhen factory.

Step 1: Auto‑Loading Magazine & Conveyor

The operator places stacks of blank cups onto the loading magazine. An infrared sensor on the conveyor detects when cups are running low; if empty, the air cylinder lifts the magazine and transfers a new batch onto the belt. This ensures continuous feeding – no manual reloading during production.

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Step 2: Pick‑and‑Place Robotic Arm

A servo‑driven robotic arm picks each cup from the conveyor and places it into a custom‑machined fixture on the 8‑station turntable. The fixture is CNC‑machined in‑house (accuracy ±0.01 mm) to perfectly match the cup’s taper, guaranteeing zero movement during printing.

🔧 Trust anchor: All fixtures are made on our own 10 CNC machines – we control quality and lead time.

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Step 3: Corona Treatment (for Plastic Cups – Skipped for Paper)

For PP, PET, or PVC cups, this station increases surface energy so that UV ink adheres strongly. However, in this paper cup demo we skip corona treatment – paper fibres naturally absorb the ink, so no pre‑treatment is needed. The machine’s PLC allows you to enable/disable this station with one touch.

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Step 4: Empty‑Fixture Detection – Prevent Ink on Tooling

Before the turntable advances to the printing station, a sensor checks whether a cup is actually seated in the fixture. If no cup is detected, the machine alarms and stops the print head – preventing expensive UV ink from being squeezed directly onto the tooling. This feature reduces waste and tool‑cleaning downtime.

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Step 5: Seam‑Line Sensor (Optional Add‑on for Paper Cups)

Paper cups have a vertical seam that creates an uneven surface. This optional sensor detects the seam’s position and signals the PLC to skip printing over that area – so your logo never lands on the seam, ensuring a professional finish.

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Step 6: The Printing Station – Precision in Motion

This is the heart of the machine.

• En electromagnetic chuck behind the fixture engages and holds the cup firmly.
• A rotary servo motor spins the cup in perfect sync with the screen’s movement.
• Meanwhile, a linear servo motor drives the screen (mesh) left and right via a TBI precision screw.
• The squeegee presses down, transferring UV ink through the mesh onto the cup surface.

All movements are controlled by the PLC and two servo motors – giving you the ±0.1 mm registration that makes multi‑colour jobs possible.

📐 Fixture Customization for Different Cup Sizes: Since cups from 4oz to 32oz vary significantly in diameter, taper, and height, we provide custom‑machined fixtures for each size. This three‑point support design ensures the cup remains stable during printing, thereby avoiding ghosting or misregistration caused by movement. For example, a 32oz large cup requires a dedicated fixture with taller support posts.

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Step 7: Sensor Swap for Multi‑Colour Overprint

To print a second colour, we switch the seam‑line sensor (for paper cups) with a Leuze contrast sensor. This sensor detects registration marks printed in the first pass and guides the second screen for perfect alignment – achieving multi‑colour results through sequential overprinting, all with the same single print head.

This is how we turn a single‑colour machine into a multi‑colour printer – without investing in a 4‑colour carousel.

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Step 8: UV‑LED Curing – Instant, Energy‑Efficient

Immediately after printing, the cup passes under a 1 kW UV‑LED lamp (395 nm). The UV light instantly polymerises the ink, so cups can be stacked or packed right away – no drying racks, no waiting. You can adjust curing time directly on the touchscreen PLC to match your ink and cup material.

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Step 9: Auto‑Unloading with Vacuum Suction

A second robotic arm picks the cured cup from the turntable using vacuum suction and places it onto an outfeed conveyor. Important design note: the fixture must not be too tight – otherwise the suction may not release the cup. Our engineers always verify the fit during fixture design to avoid this issue.

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Step 10: Automated Stacking & Counting

Cups on the conveyor are aligned and pushed into a stacking magazine. A sensor counts the cups; when the stack reaches a pre‑set count (say 50), an air cylinder separates it, and the stack is pushed to the packaging area. No manual counting or stacking – the machine does it all.

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Step 11: Finished Product – Starbucks‑Style Coffee Cup

The final result: a beautifully printed tapered paper cup, with crisp edges, accurate registration, and a durable finish that survives hot beverages. Whether you are printing for coffee chains, bubble tea shops, or catering suppliers, the JST‑R300 delivers consistent quality – and you can verify it before you buy.

Vanliga frågor (FAQ)

F: Är du en tillverkare eller ett handelsföretag?
A: We are a direkt tillverkare – Shenzhen Juste Machine Co., Ltd., established in 2013. We own a 9,000 m² factory with in‑house CNC, assembly, and testing lines. You deal with the factory, not a middleman. → Book a live video tour of our factory with our English‑speaking sales team.

Q: Can this machine print on my specific product (tapered cups, bowls, plastic bottles)?
A: Yes – it handles tapered cups, bowls, and conical containers from 4 oz to 32 oz, made of paper, PP, PET, or PVC. We custom‑machine fixtures for your exact product. (Note: it cannot print on straight cylindrical cups – the taper is essential for proper registration.) → Send us your sample for a free print test and live demo.

Above: Fixture size comparison – 4oz (left) vs 32oz (right). Each cup size requires a dedicated fixture for stable three‑point support.

F: Varför är ditt pris högre än vissa andra leverantörer?
A: Because we don’t cut corners. We use genuine HIWIN guides, AIRTAC pneumatics, and TBI screws – all verified brands. Our machines undergo 48‑hour burn‑in and every unit is individually tested with your product before shipping. Based on our experience with clients in 120+ countries, paying slightly more upfront saves you far more in downtime and repairs. → Let us calculate your ROI based on your production volume.

F: Pratar era ingenjörer engelska? Kan vi kommunicera utan en tolk?
A: Absolutely. Our senior mechanical and PLC engineers are fluent in English – they will join your video call directly to answer technical questions, explain machine settings, and even guide you through maintenance procedures. No translation delays, no misunderstandings. → Schedule a 15‑minute video call with our English‑speaking engineer.

F: Kan jag se maskinen skriva ut min produkt innan jag betalar?
A: Yes – we offer a gratis livevideodemo where we run your actual product samples. You’ll see the entire process in real time, and our engineer will explain every step in fluent English. If you’re not 100% satisfied, there’s no obligation. → Request your free live sample‑printing video now.

F: Kan jag inspektera min maskin innan den skickas?
A: Yes – we conduct a pre‑shipment video inspection with you. We’ll walk through the machine, show you the component brands, run a test, and confirm all configurations. Only when you sign off do we pack and ship. → Arrange your pre‑shipment video inspection.

F: Varför lossnar min tryckta logotyp när jag lägger is i koppen?
A: This happens because standard inks become brittle and lose adhesion at low temperatures. For cold‑drink applications, we recommend low‑temperature resistant PP screen printing ink, which maintains adhesion in freeze tests down to -38°C. We can recommend specific ink models based on your cup material and usage scenario. → Contact us for the perfect ink solution for your cold cups.

 

Q: Why do my printed cups have ghosting or blurry images?

A: Ghosting usually comes from two causes: unstable fixturing (the cup moves during printing) or uneven squeegee pressure. Our JST‑R300 uses a mechanical rack‑and‑pinion drive combined with a three‑point stable fixture to minimise mechanical vibration. We also provide technical support to help you adjust squeegee pressure (recommended 2.5‑3.0kg) for optimal results. → Contact us for technical support on ghosting issues.

 

Q: What maintenance does the machine require after printing?

A: After each printing session, we recommend cleaning the screen mesh with skärmtvättlösning to remove residual ink and prevent clogging. Regular cleaning extends mesh life and ensures consistent print quality. Our English‑speaking engineers can guide you through the complete maintenance procedure on a video call. → Download our maintenance checklist or schedule a walkthrough.

Hur man rengör silduken efter tryckning (snabbguide)

Since screen mesh cleaning is essential for maintaining print quality, here are the basic steps:

1. Remove the screen frame from the machine and place it on a flat, clean surface.
2. Apply skärmtvättlösning evenly over the mesh surface using a soft sponge or brush.
3. Gently scrub both sides of the mesh to dissolve residual UV or solvent ink.
4. Rinse thoroughly with water and blow‑dry with low‑pressure air.
5. Inspect the mesh under light for any remaining ink particles – repeat if necessary.

💡 Proffstips: Our engineers can demonstrate this entire procedure on a live video call, tailored to your specific ink type and production volume. → Book a maintenance demo.

Redo att starta ditt tryckeriföretag?

You’ve just read a detailed walkthrough. Now imagine getting a private, real‑time video walkthrough of your own product being printed, guided by our 20‑year PLC engineer – allt på flytande engelska, med noll kommunikationsbarriärer.

Here’s how it works:

1. Skicka oss din design och några tomma produktprover.
2. We custom‑machine a fixture and run your print test.
3. We go live on video – our English‑speaking engineer shows you everything, answers your technical questions on the spot, and you see the final print result in real time.

There is zero risk. If you’re not 100% convinced, you walk away with no obligation. And before shipping, we’ll do a pre‑shipment video inspection with you, so you know exactly what’s in the crate.

Osäker screentrycksmaskin fits your cup? Or need a custom fixture? Click the image below to chat with us directly.

 

📧 E-post: Alan@justcig.com
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