Qingdao, China — 22 October 2026 — SunAura Machinery has completed factory acceptance testing and dispatched an integrated roll-film cup filling and sealing line for a fast-growing Southeast Asian producer of stirred yogurt and cold-brew coffee. The line is engineered for 95 mm and 120 mm diameter cups, handles both dairy and ambient beverage recipes on one machine, and is expected to be commissioned at the customer’s facility in November 2026.
What Was Delivered
The order centres on a roll-film cup filling and sealing machine that forms lids from a printed film roll rather than relying on pre-cut die lids — a cost and waste saving the customer specifically asked for. The machine carries out the full sequence in rotary indexing stations: cup de-stacking and placement, servo piston dosing, film unwinding and registration, heat sealing, pinhole / seal inspection (optional), and ejection outfeed.
On the same skid the line integrates:
- An 8-head servo piston filler for viscous yogurt, fruit-base swirl and cold-brew concentrate dosing, with quick-release pistons for CIP between recipes.
- A second dosing lane for particulate-containing fruit compote, using a wider-cylinder piston to avoid crushing inclusions.
- In-line film coding (batch number and best-before) on the lid film before the seal jaw, so coding is applied at the exact moment of sealing — no separate labelling step.
- A reject station that diverts cups with missing film, low fill or a broken seal before they reach the downstream conveyor.
Design Targets (typical values for this configuration)
| Parameter | Design target |
|---|---|
| Cup format | 95 mm and 120 mm PP / PET cups, 100–500 ml |
| Output | up to roughly 4,800 cups/h at the 95 mm format (FAT-verified at 80% of nominal) |
| Dosing accuracy | ±0.5% on fill volume at target speed |
| Sealing | Heat seal to laminated aluminium foil / PE lid stock, with temperature and dwell recorded per recipe |
| Contact parts | 316 stainless steel product circuit, 304 frame |
| Changeover between cup sizes | under 30 minutes with recipe recall |
These are the contractual design targets for this project; individual configuration depends on cup geometry, product rheology and film choice. Request FAT data for the exact format you intend to run.
Market Context
Southeast Asia’s chilled dairy and ready-to-drink coffee categories have grown through the same structural shift we see in most emerging markets: refrigerated retail is spreading beyond capital cities, modern trade is replacing open-air wet-market distribution, and small regional brands are being forced to package to retailer specifications — batch coding, sealed tamper evidence, consistent cup appearance — or lose shelf space. A cup line that looks hand-finished, or that codes the lid inconsistently, does not survive a retailer audit. That is the commercial backdrop against which this producer started the project, and it is why the specification emphasised seal integrity, in-line coding and recordable dosing accuracy as heavily as headline speed.
Why the Customer Chose an Integrated Cup Filling-Sealing Line
The Southeast Asian producer had been running semi-automatic tabletop fillers and hand-lidded cups, which capped quality and output as retail distribution expanded. The brief was specific: one machine that could switch between stirred yogurt (viscous, particulate-containing) and cold-brew coffee (low viscosity, ambient) without a weekend of mechanical changeover. That ruled out a simple gravity filler, which cannot dose yogurt accurately, and a dedicated volumetric cup filler built for a single product.
The servo piston design was the compromise: the same cylinders handle thin cold brew and thick fruit yogurt by changing stroke volume and servo speed in the recipe. The roll-film lid station removes the pre-cut lid magazine — a persistent jam point on cheaper cup sealers — and the printed film registration means the customer can update lid graphics without buying new die sets.
Roll-Film Sealing vs Pre-Cut Lids: What Changed for This Customer
Most entry-level cup sealers use pre-cut lids loaded from a magazine. They are simple, but the magazine jams on mis-cut lids, the lid inventory is a warehouse headache, and every new graphic requires a new die set. A roll-film station prints or die-cuts the lid on the machine, immediately before sealing it to the cup. The savings are real: lid material waste drops because there is no die-cut offal, graphic changes are a film-reel change rather than a new tooling order, and the jam point at the magazine is simply absent. The trade-off is that registration — aligning the printed lid graphic to the cup rim — has to be servo-controlled, which is why this configuration is specified on the mid-to-high end of the cup filling-sealing market. The customer’s marketing team specifically asked for roll-film because they run seasonal graphics (limited-edition yogurt flavours and cold-brew campaigns) several times a year.
Quality and Compliance Built In
Because the cups move into chilled distribution and eventually export, the line was specified with traceability and hygiene in mind. The product circuit is fully drainable for CIP, with no horizontal dead legs where yogurt residue could harbour biofilm. Seal temperature, dwell time and fill volume are logged against each recipe and can be exported for customer QA audits. Batch and best-before coding is applied on the lid film before sealing, so the code cannot be wiped off after filling — a specific retailer requirement in this market. Contacted parts are 316 stainless steel on the product circuit and 304 on the frame, with guarding to CE machinery-directive standards.
FAT Highlights
Factory acceptance testing was run at SunAura’s Qingdao workshop with the customer’s engineering team attending remotely (and, for the final run, on site). Over two full days the team ran:
- Continuous production runs at the guaranteed rate on both cup formats, counting rejected cups and any seal failures.
- Three full product changeovers to time the recipe changeover and verify the 30-minute target.
- CIP cycles on the product circuit to confirm dead legs drain and seals hold under wash-down pressure.
- Film reel splice and end-of-reel handling, including the automatic splice detection that pauses the rotor before a mis-seal can be produced.
At sign-off, seal integrity was verified by dye test across a sample of cups and fill accuracy was checked against calibrated measuring cylinders on every lane.
Where This Fits the SunAura Front-End Portfolio
Cup filling and sealing sits alongside SunAura’s existing front-end range: piston and linear liquid fillers for bottles, capping machines, induction foil sealing, and the weighing-and-bagging side of the business built around multihead weighers and servo pillow wrappers. For dairy, beverage and ready-meal producers, that means a single engineering partner for the filling and primary packaging stations, with downstream case packing, shrink bundling and pallet wrapping handled by the specialist end-of-line team at sunaurakey.com.
Commissioning Timeline
The line is being container-shipped now and is scheduled for mechanical installation in late November 2026, with the SunAura commissioning engineer on site for two weeks of trial production and operator training. Spare parts — seal gaskets, piston seals, cup change parts for both formats — ship with the machine under SunAura’s 48-hour global spare parts dispatch programme so the customer is not waiting on a single component during the first production campaign.
Operator training is split across two shifts during commissioning: mechanical and electrical staff on one shift, production operators on the other. The mechanical team receives full strip-down-and-rebuild walkthroughs of the dosing pistons, seal jaws and film path, plus a written maintenance schedule covering daily, weekly and quarterly tasks. Operators are trained on recipe selection, film reel changes, the reject station and basic seal-integrity checks, and sign off on a supervised production run before SunAura’s engineer leaves site. Remote support — video call through the on-board camera, or a dial-in to the PLC where the customer’s IT allows — is included for the first 90 days after commissioning, so teething problems on the first yogurt and cold-brew campaigns are resolved without a return visit.
Producers scoping a cup filling-sealing line for yogurt, dessert, jelly, water, beverages or ready meals can request a project consultation with SunAura’s front-end engineering team, including layout, utility requirements and a FAT plan built around their actual cup and product.