Full Automatic Reciprocating Vertical Packing Machine
SW-2830B · Pneumatic Intelligent Sealing · Stick-Pack · Sugar · Coffee · Bean Powder · Probiotics
Compact reciprocating VFFS machine dedicated to stick-pack sachets for less-sticky powders and granular food products such as sugar, instant coffee, bean powder, probiotics, milk powder, and small spice granules. A pneumatic intelligent reciprocating sealing system delivers stable dwell time and repeatable seal pressure, while multiple cutter-shape options (zigzag, flat, rounded, and others) give visual variation on the stick end without changing the sealing jaw. Bag length 45-150 mm, bag width 20-100 mm, packing speed 40-100 bags per minute on a 2.5 kW 220V single-phase supply.
Quality
CE Certified
Source
Factory Direct · Guangdong
Customization
OEM · Voltage · Language
After-Sales
2-Year Warranty · 24 h Support
SW-2830B: Pneumatic Reciprocating VFFS for Powder Stick Packs
The SW-2830B is a compact reciprocating vertical form-fill-seal machine purpose-built for stick-pack sachets in the powder and granular food category. Unlike continuous-motion stick packers, the reciprocating sealing jaw pauses at the closed position to deliver a consistent seal dwell on composite laminate films - which is important for probiotic, pharmaceutical, and dairy powders that need a hermetic seal to protect shelf life. Typical products include white sugar, instant coffee, bean powder, probiotic powder, milk powder, cocoa mix, creamer, and fine spice granules in 2-30 g fill range.
The machine runs at 40-100 bags per minute depending on fill weight and bag length. Standard bag length is 45-150 mm, bag width is 20-100 mm, and rollstock film width is up to 220 mm. A pneumatic intelligent system coordinates reciprocating jaw motion, film pull, dosing, and cutting in one sealed cycle. Multiple cutter shapes are available (zigzag, flat cutter, rounded, custom) so the stick end can be varied for brand differentiation without reshaping the whole sealing jaw. Total power is 2.5 kW on a 220V 50/60 Hz single-phase supply, and the machine weighs approximately 350 kg with a compact footprint of 800 x 980 x 1,800 mm.
For drinkable liquid products in stick format (jelly, beverages, yogurt), use the companion SW-2830A jelly bar stick machine, which uses a self-flow stainless hopper for gravity liquid feeding. For much higher-speed multi-lane powder stick packs, see the SW-B10 ten-column back-seal stick pack machine. For larger-volume auger powder sachets on wider bags, see the SW-420E collar type auger powder machine.
Max Speed
100 bags / min
Max Film Width
≤220 mm
Power Consumption
2.5 kW
| Parameter | SW-2830B |
|---|---|
| Bag Length | 45-150 mm |
| Bag Width | 20-100 mm |
| Packing Speed | 40-100 bags/min |
| Max Roll Film Width | ≤220 mm |
| Filling System | Servo-driven auger screw (standard) for less-sticky powder and fine granules |
| Sealing System | Pneumatic intelligent reciprocating jaw · independent PID temperature control |
| Bag Format | Stick-pack / bar-shaped back-seal sachet |
| Cutter Shape | Zigzag · flat cutter · rounded · custom on request |
| Control System | PLC + Frequency Converter + Touch Screen |
| Contact Material | SUS304 stainless steel, food grade |
| Film Material | OPP/CPP · PET/PE · PA/PE · aluminum foil laminate |
| Power | 2.5 kW |
| Voltage | 220V, 50/60 Hz single phase (customizable) |
| Machine Weight | Approx. 350 kg |
| Dimensions (L x W x H) | 800 x 980 x 1,800 mm |
Recommended Configurations by Product
The SW-2830B suits less-sticky powders and fine granules that flow consistently through an auger screw into a short stick pack. Send the product sample, target fill weight, bag dimensions, and film sample so we can confirm auger size, cutter shape, and sealing parameters before quotation.
Instant Coffee Sticks
2-10 g coffee powder, 3-in-1 mix, creamer stick sachets
- Filler
- Servo auger screw for consistent low-dose powder
- Speed
- ~90 bags/min for 3 g single-serve coffee sticks
- 8 h Output
- Approx. 43,200 bags
- Clients
- Coffee brands, hotel amenity OEMs, private-label stick-pack co-packers
Sugar & Sweetener Sticks
3-8 g white sugar, brown sugar, stevia granules, sweetener blends
- Filler
- Auger screw with anti-abrasion liner for granulated sugar
- Speed
- ~100 bags/min for 5 g sugar sticks
- 8 h Output
- Approx. 48,000 bags
- Add-ons
- Dust collector, date printer, finished-bag counting table
Probiotic & Nutraceutical Powder
1-5 g probiotic, collagen, protein, functional powder supplements
- Filler
- Auger screw calibrated to bulk density, dosing validated with sample
- Speed
- 60-80 bags/min depending on laminate seal dwell
- 8 h Output
- Approx. 28,800-38,400 bags
- Notes
- PA/PE or aluminum laminate recommended for moisture-sensitive products
Bean Powder & Cereal Mix
5-30 g soy bean powder, cereal mix, oat mix, instant beverage powder
- Filler
- Auger screw sized for coarser flour-like powders
- Speed
- 50-70 bags/min for 15-30 g fills
- 8 h Output
- Approx. 24,000-33,600 bags
- Clients
- Breakfast food co-packers, nutrition brand OEMs, workshop-scale food processors
The SW-2830B is dedicated to powder and granule stick packs. For liquid stick packs (jelly, beverage, yogurt), use the companion SW-2830A. For much higher output multi-lane stick packs, use the SW-B10 ten-column stick pack machine. For wider-bag powder sachets, use the SW-420E collar type auger powder machine.
Output Bag Type: Stick-Pack Sachet with Multi-Shape Cutting
The SW-2830B produces long thin stick-pack sachets sealed along the back seam and across both ends. A distinguishing feature is the multi-shape cutter option: zigzag end for decorative retail appearance, flat cutter for clean utilitarian sticks, or rounded end for easier-tear consumer opening. Cutter shape is mechanical and selected at purchase, so brand differentiation is possible without changing the sealing jaw assembly.
Coffee, sugar, bean powder, probiotic stick-pack samples
High-speed powder stick-pack output up to 100 bags/min
Back Seal Stick Pack (Standard Output)
3-Side Seal Sachet (Alternative Format)
Compatible film: OPP/CPP · PET/PE · PA/PE · aluminum foil laminate up to 220 mm wide. PA/PE and aluminum laminates recommended for probiotic, pharmaceutical, and dairy powders that need high oxygen and moisture barrier.
Note: The SW-2830B is a reciprocating stick-pack VFFS. For flat four-side-seal powder sachets, see the SW-1528B four-side-seal powder machine. For back-seal auger powder sachets in wider bag format, see the SW-2030B back-seal powder machine.
How the Reciprocating Stick-Pack Cycle Works
The forming, filling, and sealing sequence coordinates the auger dose, film pull, reciprocating jaw motion, and cutting in one pneumatic cycle. Because the seal jaw reciprocates rather than rotates, it pauses at the closed position for a controlled dwell time - which is what creates the hermetic seal on laminate films used for shelf-stable powder products.
01
Auger Dosing
Powder or fine granules flow from the stainless hopper into the auger tube. A servo-driven screw rotates a calibrated count per cycle, delivering a consistent volumetric dose into the formed film tube. Dose volume is adjusted on the touch screen and calibrated to product bulk density during sample testing.
02
Film Forming & Back Seal
Rollstock film unwinds from the rear holder and wraps around the forming tube. The back-seam sealer closes the film into a continuous tube. Photoelectric tracking reads the registration mark on pre-printed film so each stick cuts in the correct position relative to the artwork.
03
Reciprocating Cross Seal
Pneumatic cylinders drive the horizontal sealing jaws inward to close across the film tube. Unlike rotary sealers, the reciprocating jaw pauses at the closed position for a set dwell time - typically 0.2-0.6 seconds depending on film laminate - then opens for the next film advance. Dwell, pressure, and temperature are independently tunable.
04
Multi-Shape Cutting & Discharge
A cutter built into the cross seal jaw separates the finished stick. Cutter shape is a selectable mechanical option: zigzag for decorative retail appearance, flat cutter for clean utilitarian sticks, rounded for easy-tear opening, or custom on request. Finished sticks discharge individually onto a downstream conveyor, counting table, or directly into cartoning.
SW-2830B in Operation
Watch the SW-2830B pneumatic intelligent reciprocating system, auger dosing, and stick-pack cutting cycle in real time. Contact us for a factory-acceptance test video recorded with your own product sample.
Five Core Features That Define the SW-2830B
The SW-2830B's value comes from five coordinated features: PLC control, auger metering, film forming, corner cutting, and reciprocating sealing. Understanding each helps confirm that this platform fits your product, film, and bag format.
1. PLC Control with Touch Screen
A PLC coordinates auger dose timing, film pull length, seal jaw dwell, pressure, temperature, and optional date-printer triggering. Operators adjust parameters from the touch screen without mechanical re-tooling between SKUs.
2. Servo Auger Metering
A servo-driven auger screw meters powder by rotation count. Because the screw is servo-driven rather than cam-driven, dosing accuracy is repeatable across long runs and easy to re-calibrate when bulk density changes with environmental humidity or batch-to-batch variation.
3. Multi-Format Forming Tube
The forming tube is sized to match stick width from 20-100 mm. Additional forming tubes can be ordered so one machine produces multiple SKU widths. Double film clamp stabilizes film tension and simplifies threading after a roll change.
4. Multi-Shape Corner Cutting
Cutter shape (zigzag, flat, rounded, custom) is selected at purchase and installed as a mechanical insert in the cross seal jaw. This is the cosmetic differentiator most customers notice on shelf - zigzag for confectionery appearance, rounded for premium nutraceutical, flat for utilitarian.
5. Pneumatic Intelligent Sealing
Reciprocating sealing jaws driven by pneumatic cylinders with independent temperature controllers. The dwell-time pause in the closed position is what creates a hermetic seal on PA/PE and aluminum laminates - continuous rotary sealers cannot achieve this dwell on the same films.
Core Parts on the SW-2830B
The images below show the electrical, pneumatic, and mechanical components that drive stick-pack output and determine long-term operating cost. Complete component list with part numbers is provided on the quotation sheet.
Siemens PLC Controller
Coordinates auger rotation count, film pull length, reciprocating jaw dwell time, temperature loops, and optional date printer triggering. Siemens hardware simplifies spare-part sourcing worldwide.
AirTAC Solenoid Valves
AirTAC 4V210 valves drive the pneumatic cylinders that close and open the reciprocating sealing jaws. Consistent dwell time at the closed position is what creates hermetic seals on laminate films.
SMC Guide Cylinder
SMC guide cylinders provide repeatable stroke for the reciprocating jaws. Guide rails keep the seal jaws parallel under pressure so seal pressure is uniform across the stick width.
Omron Rotary Encoder
Omron E6B2-CWZ6C rotary encoder feeds film-pull position back to the PLC so bag length stays accurate through long production runs. Combined with photoelectric mark tracking for printed-film registration.
SW-2830B vs SW-2030B vs SW-B10 - Which Powder Machine Do You Need?
Three ShengWei platforms can pack powder in stick or sachet format. Choice depends on bag format (stick vs flat sachet), output target (single-lane vs multi-lane), and whether you need reciprocating-jaw hermetic sealing or a continuous-motion cycle.
Choose SW-2830B Reciprocating When:
- Your product is powder or fine granules in a stick-pack format (not flat sachet)
- You need pneumatic reciprocating-jaw sealing for hermetic seals on PA/PE or aluminum laminates
- You want cutter-shape options (zigzag, flat, rounded) for brand differentiation
- Your bag size is 20-100 mm wide, 45-150 mm long, 2-30 g fill
- Your target speed is 40-100 bags/min on a single-lane compact platform
Choose Another Platform When:
- Flat back-seal sachet instead of stick - use SW-2030B back-seal powder machine
- Flat four-side-seal sachet - use SW-1528B four-side-seal powder machine
- Multi-lane high-speed stick pack - use SW-B10 ten-column stick pack machine
- Liquid stick pack (jelly, beverage, yogurt) - use SW-2830A jelly bar stick machine
- Wider bag powder sachet - use SW-420E collar auger powder machine
When This Machine Is Not the Right Fit
The SW-2830B is dedicated to powder and fine-granule stick-pack sachets. It is not the right fit for sticky or clumping powder (custom hopper design required - discuss first), liquid or paste (use the SW-2830A or SW-1528 liquid configuration), large granules that jam a small auger (use SW-2030A), premade stand-up pouches (use the premade bag family), or spouted pouches (use the SW-CCS6). For much higher output, multi-lane stick pack platforms are the correct choice.
Why Choose ShengWei Machine
Factory Direct from Guangdong
Designed and built in our own factory in Shantou, Guangdong. You work directly with the engineers who assemble and test the machine, not a trading company that forwards technical questions.
Configuration Based on Samples
Auger screw size, cutter shape (zigzag, flat, rounded), film width, forming tube, dust collection, HMI language, and voltage are confirmed against your actual product sample before production begins.
Lifetime Remote Support
Free remote video technical support for the lifetime of the machine, not just the warranty period. Spare parts ship from our Guangdong factory within 3 working days.
Export Packaging Experience
SW-2830B machines are deployed by coffee, sugar, sweetener, probiotic, and nutraceutical co-packers across Southeast Asia, the Middle East, Africa, and Latin America - markets where single-serve powder stick packs are a retail staple.
What Our Clients Say
We pack 3 g instant coffee sticks for hotel amenity lines in the region and the SW-2830B has been our workhorse for about ten months. The reciprocating seal with PA/PE laminate gave us a tight hermetic seal that protected shelf life through shipping - something we couldn't reliably get on our previous rotary-seal machine. Output sits around 85 bags per minute consistently. The zigzag cutter looks more premium than the flat cutter on our previous line and has been a selling point with distributors.
Marisol G.
Operations Manager - Coffee Stick-Pack Co-Packer, Colombia
We run 5 g sugar sticks for a restaurant supply chain across several cities. The servo auger on the SW-2830B is simple to re-calibrate when we switch between white sugar, brown sugar, and stevia blend - the bulk densities are very different and the touch-screen dosing volume adjustment handled it without mechanical changes. Runtime has been stable for about fourteen months and the only scheduled maintenance has been sealing-strip replacement at the recommended interval.
Ahmed K.
Plant Director - Restaurant Supply Sugar Packer, Egypt
Frequently Asked Questions
What products can the SW-2830B pack?
What is the difference between SW-2830B and SW-2830A?
What is the difference between SW-2830B and SW-2030B?
What cutter shapes are available?
What bag sizes and film widths are supported?
What film materials are compatible?
What voltage and HMI language options are available?
How clean is the dust profile for powder packing?
What is the lead time and payment terms?
Can I send a product sample for a packing test?
Expert Guides
What Is a Vertical Form-Fill-Seal Machine?
How VFFS machines unwind film, form a tube, fill product, seal the bag, and cut finished sachets from a continuous roll of rollstock film.
Read Guide →Reciprocating vs Continuous Rotary Sealing
Reciprocating jaws pause at the closed position for a dwell - essential for hermetic seals on PA/PE and aluminum laminates. Rotary sealers can't match this on the same films.
Compare Sealing Methods →Stick Pack vs Flat Sachet vs Multi-Lane
Stick packs suit single-serve portion products with retail pegging. Flat sachets suit premium retail display. Multi-lane platforms serve highest-volume output.
Learn More →Other Vertical & Packaging Machines
Different bag formats and machine types for versatile product packaging.
Jelly Bar Stick Vertical Machine
Jelly bar stick vertical machine. Same platform optimized for liquid stick products with pump filling.
Three-Side Seal Vertical Machine
Three-side seal vertical machine. Standard VFFS for granules and powder in three-side seal format.
Multifunctional Pillow Pouch Machine
Multifunctional pillow pouch machine. Horizontal wrapper for products that suit pillow bag format.
Ready to Discuss the SW-2830B?
Send us your powder sample, target fill weight, stick dimensions, film sample, and daily output target. We will confirm auger size, cutter shape, and sealing parameters, and return a quotation within 24 hours.
info@shengweimachine.com · +86 181 2511 2025
