How Do You Solve Common Problems with Pyramid Tea Bag Packaging?

Your production line grinds to a halt. Bags are poorly sealed, weights are wrong, and film is wasted. This is costing you time, money, and your sanity.

The most common issues are inaccurate weighing, film feeding jams, and sealing defects. These are usually fixed by cleaning the weigher, adjusting film tension and alignment, and checking the ultrasonic sealer's settings. Consistent, simple maintenance is the key to prevention.

[sets'oants'o sa sebaka]

I've been helping companies with their packaging for years, and I’ve seen it all. A brand new, high-tech machine can bring an entire production floor to a standstill over something incredibly simple. The good news is that the vast majority of these "big" problems have very small solutions. You just need to know where to look. Let's walk through the most frequent issues and how you can fix them yourself in minutes.

Why Are My Tea Bags Underweight or Overweight?

You're finding bags with inconsistent weights. This means you're either giving away expensive tea for free or cheating your customers, which damages your brand's reputation.

Inaccurate weighing is almost always caused by tea dust buildup on the weigher, vibrations affecting the machine, or incorrect weigher parameters. Regular cleaning and isolating the machine from floor tremors are the most effective fixes.

The Two Main Enemies: Dust and Vibration

An electronic multi-head weigher, which is what our machines use, is an incredibly precise instrument. But its accuracy depends on a clean and stable environment. Two things constantly try to disrupt this.

Dust Buildup

Fine tea particles and dust are sticky. They cling to the surfaces of the weighing buckets, feeding chutes, and load cells. Over a few hours, this buildup can add a few tenths of a gram to the scale's reading. The machine thinks it has hit the target weight, but it's actually underweight because part of that weight is the dust itself. The solution is simple but critical: At the end of every shift, use a soft brush and compressed air to thoroughly clean the entire weighing system.

External Vibration

The load cells that measure the tea are extremely sensitive. If your machine is placed on a floor that vibrates from people walking by, a forklift, or other heavy equipment, it can throw off the readings. I saw this once at a factory where the packing machine was right next to a large grinding machine. We solved it by placing thick, anti-vibration rubber pads under the packing machine's feet. This isolated it from the floor vibrations and the weighing accuracy immediately returned to normal.

Cause	Solution	How it Works
Tea Dust	Daily Cleaning	Removes buildup that adds false weight to readings.
Vibration	Use Anti-Vibration Pads	Isolates the sensitive weigher from floor tremors.
Wrong Settings	Re-Calibrate Weigher	Resets the weigher's "zero" point and parameters.

What Causes the Packaging Film to Jam or Misalign?

The packaging film keeps jamming, wrinkling, or drifting to one side. This stops production completely and creates a pile of wasted bags and expensive film materials like PLA or nylon.

Film feeding problems are typically caused by incorrect film tension, a poorly installed film roll, or dirty or misaligned rollers. Getting the tension right is the most common and important adjustment you can make.

Finding the Right Balance

Getting the film to run smoothly through the machine is all about balance. The film needs to be pulled through the system under a specific amount of tension—not too tight, and not too loose.

Film Tension and Alignment

Most film jams happen because the tension is wrong. If the film is too loose, it will not track straight and can wrinkle as it enters the forming tube. If it's too tight, it can stretch or even tear. Our machines have a series of rollers and a "dancer arm" that controls this tension. Adjusting it is usually a simple case of turning a knob. Another common error I see is a new roll of film being loaded incorrectly. It must be perfectly centered on the holder. If it's even half an inch off-center, it will try to pull to one side for the entire length of the roll. Make sure the roll is centered and that all the guide rollers are clean and spinning freely. A stationary roller will cause the film to drag and misalign every time.

Bothata	Root Cause	Quick Solution
Film Wrinkling	Film tension is too loose.	Tighten the tension knob slightly.
Film Drifting	Roll is not centered.	Unload the film and center it on the holder.
Film Tearing	Tension is too tight.	Loosen the tension knob slightly.
Film Sticking	Rollers are dirty or not spinning.	Clean the rollers and check that they spin freely.

Why Are My Tea Bags Not Sealing Properly?

You're finding bags that are not fully sealed, or the seals look weak and messy. This is a critical failure that can lead to product spoilage and customer complaints.

Sealing defects on pyramid bags are usually caused by incorrect ultrasonic sealer settings (power or time), dust or debris on the sealing horn, or misalignment of the sealing and cutting jaws. Cleanliness and proper alignment are key.

The Science of a Perfect Seal

Our pyramid tea bag machines use ultrasonic sealing. This is a superior technology, but it needs to be set up correctly to work its magic. A bad seal is almost always due to one of three things.

Incorrect Sealer Settings

The ultrasonic system has settings for power, khatello, and time. If the power or time is too low, the material won't melt together properly, creating a weak seal. If it's too high, it can burn right through the delicate mesh. I always tell my clients to start with our recommended settings and make very small adjustments.

Debris on the Sealing Jaws

This is the most common culprit. A tiny piece of tea leaf or a bit of dust can get trapped between the sealing horn and the anvil. This prevents the jaws from making perfect contact, leaving a small, unsealed spot in the seam. The sealing jaws must be wiped clean regularly throughout the day.

Misalignment

The sealing horn (the part that vibrates) and the cutting jaw must be perfectly parallel and make even contact. Over time, they can come slightly out of alignment. You can check this by placing a piece of carbon paper between them and closing them gently. The mark should be a perfect, even line. If it's darker on one side, it needs adjustment.

How Do I Calibrate the Machine to Avoid These Issues?

You want to prevent problems before they start. You're not sure which calibrations are most important or how often you should do them to keep the machine running perfectly.

The three most important calibrations are the weigher "zero" calibration, the bag length setting, and the film eye-mark sensor. Performing these simple checks daily or weekly can prevent nearly all common packaging problems.

Your Essential Calibration Checklist

Calibration sounds complicated, but for a packaging machine, it's mostly about telling the machine's computer the correct starting points. Doing these three simple checks regularly will keep your machine in top shape.

1. Weigher Tare (Zero) Calibration

This is the most important daily task. Before starting production, you need to empty the weigher and run the "zero" or "tare" function. This tells the machine to ignore the weight of the buckets and fixtures, so it only measures the tea. Doing this at the start of every shift ensures your weights are accurate from the very first bag.

2. Bag Length Setting

This setting tells the servo motor exactly how much film to pull for each bag. If this is wrong, your bags will be different sizes, and the printed artwork won't line up. To check it, run one or two empty bags and measure them with a ruler. If the length is off, adjust it in the settings on the touch screen.

3. Eye-Mark Sensor Alignment

This tiny sensor reads a small printed rectangle (the eye-mark) on your film to know where to cut. If the sensor is dirty or not aligned with the mark, it leads to messy cuts through your logo or text. Simply wipe the sensor lens clean and make sure it is directly over the path of the eye-mark.

Qetello

Most machine problems are not major breakdowns. They are small issues related to cleanliness and calibration. A few minutes of daily maintenance can save you hours of downtime.

Mabapi le Mechini ea Rōna ea ho Paka
Ho China Flow Wrapper Technology, re sebetsa ka ho khetheha ka tee ea boleng bo holimo, kofi, le mechini ea ho paka tse ngata e etselitsoeng ho sebetsa hantle, nepahalo, le botšepehi ba nako e telele. Mechini ea rona e sebeletsa baetsi ba lijo, lihlahisoa tsa seno, le lifeme tsa OEM lefatšeng ka bophara, ho ba thusa ho fihlela boleng bo tsitsitseng, tlhahiso e potlakileng, le ho fokotsa litšila tsa thepa.

1. 🍵 Mechini ea ho paka Tee
   Litharollo tsa rona tsa liphutheloana tsa tee li etselitsoe ho nepahala, bohloeki, le lebelo. Li sebetsana le mefuta eohle ea tee-lekhasi le hlephileng, mekotlana ea piramite, mekotlana ea ho rotha ea mofuta oa tsebe, Likuku tsa Pu-erh, le lihlahisoa tsa vacuum-packed.
   Mechini ea Bohlokoa:
   Pyramid Tea Bag Packing Machine - ho etsa ka nepo, ho tlatsa, le ho tiisoa ha mekotla ea piramite.
    Sefa Mochini o Pakang Mokotla oa Tee oa Sefa - bakeng sa mekotla ea tee e tloaelehileng ea sefe, ho nosetsa ka tsela e iketsang, le ho tiisa bohloeki.
    Mochini oa Mokotla oa Tee o Leketlileng (Mofuta oa ho rotha/tsebe) - e hlahisa mekotla ea tee ea mofuta oa marotholi bakeng sa ho riteloa habonolo.
    Mochini oa ho Paka Likuku tsa Tea tsa Pu-erh - likuku tse koetsoeng kapa tse tiisitsoeng ka filimi tse phuthetsoeng hantle..
    Mochini oa ho Paka Mokotla oa Tee oa Vacuum - o netefatsa bohloeki le bophelo bo atolositsoeng ba sethala.
   Melemo:
    Ho arola ka mokhoa o tsitsitseng le ho nepahala ha boima ba 'mele
    Likarolo tse amanang le tšepe e sa hloekang tse hloekileng
   Moqapi oa modular bakeng sa mefuta e fapaneng ea tee
    E lumellana le mefuta e mengata ea lifilimi (BOP, PE, PLA)

2. ☕ Mechini ea ho paka Kofi
   Ho tloha hang-hang lithupa tsa kofi ho ea ho linaoa tsa kofi, mechine ea rona e finyella litlhoko tsa tlhahiso ea kofi ea morao-rao.
   Mechini ea Bohlokoa:
    Mochini oa ho Paka Mokotla oa Kofi oa Drip - ho arola mokotla o bonolo o nang le tiiso e thibelang ho qhalana.
    Stick Sachet Coffee Packing Machine - ho tlatsa ka lebelo le phahameng bakeng sa lithupa tsa kofi hang-hang.
   Mochini oa ho Paka Linaoa tsa Kofi - vacuum kapa mokotla oa ho paka linaoa kaofela.
   Mochini oa ho Paka Kofi oa Premade Pouch Drip - o ikemiselitseng ho tlatsa mokotla o kopantsoeng ka ho tiisoa.
   Melemo:
   E fokotsa ho qhalla ha phofo le litšila
   Ho noa ka lebelo le phahameng
    Ho kopanya habonolo le lisebelisoa tsa ho halika le ho sila
   Moqapi oa bohloeki le o bonolo ho o hloekisa

3. ⚙️ Mechini e Pakang ea Litsela tse ngata
   E etselitsoe tlhahiso ea boleng bo phahameng, Mechini ea rona ea litsela tse ngata tsa pakete ea granules, phofo, kofi, tsoekere, seasoning, le lijo tse nyane.
   Mechini ea Bohlokoa:
   Mochini oa ho paka ka litsela tse ngata (2- Litsela tse 12) - litsela tse ngata tse bapileng bakeng sa tlhahiso e phahameng.
   Granule Packing Machine - tekanyo e nepahetseng bakeng sa linaoa, linate, le dipeo.
   Mochini o Pakang Phofo - bakeng sa liphofshoana hang-hang, linoko, le li-supplement tsa protheine.
   Mechini ea Multi-Column Stick Pack - e loketseng lithupa tsa kofi, lithupa tsa tsoekere, le lithupa tsa linoko.
   Melemo:
    Phetoho ea tsela e feto-fetohang
    Khokahano e tsamaisoang ke servo bakeng sa ho tiisa ka nepo
   Ho fokotsa litšenyehelo tsa basebetsi
   Sehlahisoa sa lebelo le phahameng se nang le nako e fokolang

4. 🏷️ Thuso / Mechini e Tšehetsang
   Lisebelisoa tsa ts'ehetso ho ntlafatsa ts'ebetso le ho phethela mohala oa hau oa ho paka.
   Mechini ea Bohlokoa:
   Mochini o Iketsetsang oa ho Leka - o hokela likhoele tsa mokotla oa tee le ho ngola ka nepo.
    Mochini o Etsang Mokotla oa Kofi oa Rotha - o lokisa lisebelisoa tsa sefa ka har'a mekotla.
    Ho paka Mechini ea Ts'ebetso ea Material - lokisetsa le ho seha lifilimi, maqephe, and filter papers.
   Melemo:
    Khokahano e boreleli le mechini ea mantlha ea ho paka
   E fokotsa mosebetsi oa matsoho
   E ntlafatsa ho nepahala le ho tsitsa ha liphutheloana

5. 📦 Lebokose & Mechini ea ho paka Carton
   Litharollo tsa rona li sebetsana le liphutheloana tsa bobeli-ho netefatsa hore mekotla, lithupa, 'me mekotla e hlahisoa ka mabokoseng le mabokoseng ka botsebi.
   Mechini ea Bohlokoa:
   Mochini o Itirisang oa Cartoning - o tlatsa mekotla ea tee le kofi ka har'a mabokose.
    Ho paka Mabokose / Cartoning Production Line - boiketsetso bo felletseng ho tloha ho tlatsoa ha mokotla ho isa ho tiisoa ha lebokose.
    Tea Box Cellophane Wrapping Machine - thatela ka thata bakeng sa tlhahiso ea mabenkele.
   Shrink Wrapping Machine bakeng sa Mabokose - sephutheloana se tšoarellang bakeng sa lipalangoang le polokelo.
   Corner-Cut Cellophane Wrapping Machine - premium finishing bakeng sa mabokose a limpho.
   Melemo:
   E matlafatsa boipiletso ba mabenkele
    E sireletsa lihlahisoa nakong ea thomello
   E fokotsa litšila tsa lintho tse bonahalang
    Ts'ebetso e potlakileng le e nepahetseng

6. 🧃 Ho ema & Mechini ea ho paka ka mekotla
   E nepahetse bakeng sa mabenkele a seng a loketse, sephutheloana sa mokotla se tenyetsehang bakeng sa maro, phofo, le granules.
   Mechini ea Bohlokoa:
   Mochini oa ho Pakela Pouch - bakeng sa lino, phofo, le lijo tse bobebe.
   Mochini oa ho Pakaletsa Kofi ea Bean Stand Pouch - sephutheloana se bolokang monko.
    Tea phofo / Mochini oa ho Paka Sekhwama sa Lekhasi se hlephileng - bohloeki, sekoaelo sa vacuum e tsamaellanang.
   Melemo:
   Bongata ba mekotla le libopeho tse feto-fetohang
    E lumellana le likhetho tsa zipper le spout
   Moqapi o sebetsang hantle le oa bohloeki
   Sehlahisoa sa lebelo le phahameng bakeng sa mabelo a maholo a tlhahiso

7. 🏭 Mehala e Felletseng ea ho Paka
   Mehala ea rona ea tlhahiso ea li-turnkey e kopanya liphutheloana tsa mantlha le tsa bobeli ho ntlafatsa ts'ebetso ea hau.
   Mehlala:
    Tea Packaging Full Production Line - ho tloha ho sebopeho sa mokotla ho ea ho litebele.
   Kofi Packaging Full Production Line - lipakete tsa lithupa, mekotlana, le mabokose.
    Pakete ea lithupa + Cartoning Integrated Line - ho tlatsa lithupa tse ngata le litebele.
    Mokotla oa Tee oa Phiramide + Box Packaging Line – tlhahiso e felletseng e seng e loketse ho rekisoa.
    Rotha Kofi ea Kofi + Mokotla oa Kantle + Cartoning Line - automation e se nang moeli bakeng sa ho paka mabenkele.
   Melemo:
   Eautomation ea ho qetela
   Bokena lipakeng ba opareitara
    ROI e potlakileng le ho fokotsa litšenyehelo tsa basebetsi
    E ka itloaetsa ka botlalo ho sehlahisoa le mofuta oa liphutheloana

8. 📦 Lisebelisoa tsa ho paka (Lihlahisoa tsa Tšehetso)
   Re boetse re fana ka lisebelisoa tse lumellanang bakeng sa tlhahiso e boreleli.
   Lisebelisuoa tsa Sehlooho:
   Tea Bag Filter Paper Rolls - bohloeki le boleng bo tsitsitseng.
    Nylon / PLA Mesh Tea Bag Materials - likhetho tse ka senyehang.
   Drip Coffee Filter Rolls - e bonolo ho e kopanya mochining.
    Li-tag, Likhoele, le Lisebelisoa tsa ho Tiisa - e tšehetsa tlhahiso e phahameng ka ho fetisisa.
   Melemo:
   E netefatsa hore mochini o sebetsa ka thelelo
   E fokotsa nako ea ho theoha ka lebaka la ho se lumellane ha lintho
   Ho boloka bohloeki bo phahameng le polokeho ea lihlahisoa