Key Benefits
- Processes both inner and outer bags in one continuous cycle, reducing manual handling and increasing throughput
- Ultrasonic sealing avoids heat damage to coffee oils and preserves aroma at the seam
- Volumetric cup filling delivers consistent 5 to 15 g per bag with no overfilling or giveaway
- Stepper motor controls outer bag length positioning for accurate and stable bag size
- SUS304 stainless steel parts in food contact areas meet food safety standards
- Built-in connector for nitrogen flushing extends shelf life by reducing oxidation
Application Scenarios
- Coffee roasters packaging Robusta beans or blends for retail or food service with consistent bag weight
- Contract packers handling multiple coffee brands with short batch runs and quick changeover
- Producers requiring nitrogen-flush packaging to extend shelf life of ground or whole bean coffee
- Packaging facilities upgrading from manual sealing to automated inner and outer bag sealing
Who It Is For
- Coffee roasters moving from outsourced packing to in-house automated bagging
- Contract packers serving multiple coffee brands with different bag sizes and formats
- Producers who need nitrogen flushing capability to preserve freshness
- Buyers replacing manual sealing systems that cause inconsistent bag weight and seal quality
Problems It Solves
- Manual inner and outer bag sealing leads to inconsistent fill weight and weak seals
- Heat sealing damages coffee oils and alters aroma at the seam, especially with delicate Robusta
- Lack of nitrogen flushing shortens shelf life of roasted coffee in ambient conditions
- Inconsistent bag length from manual or low-precision machines causes packaging and display issues
- Multiple machines needed for inner and outer bag processes increase floor space and complexity
Technical Features
- Ultrasonic sealing for inner and outer bags with no heat, glue or wide waste edge
- Volumetric cup filler for 5 to 15 g per bag with consistent weight across batches
- Stepper motor controls outer bag length for accurate and repeatable positioning
- PID temperature controller for precise heat control during sealing process
- PLC control system with human-machine interface for easy operation and monitoring
- SUS304 stainless steel parts in direct contact with coffee for food safety compliance
- Reserved connector for nitrogen flushing to extend shelf life
- Optional flat cut, date printer, and easy tear devices for added functionality
Specifications
| Machine model | C19D |
|---|---|
| Machine type | Drip Coffee Packaging Machine Series |
| Bag type | Ultrasonic sealing |
| Packing material | PLA/Paper/Plastic, Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic, Filter paper |
| Feeding system | Volumetric cup filler |
| Package range | 5-15 g |
| Inner bag size | L: 50-75 mm, W: 50-90 mm |
| Outer bag size | L: 85-120 mm, W: 75-100 mm |
| Inner bag film width | 180 mm |
| Outer bag film width | 200 mm |
| Packing speed | 40-60 bags/min |
| Power supply | Single phase, 220V, 50Hz, 3.7kW |
| Machine weight | 600 kg |
| Machine dimension | 1200 x 900 x 1900 mm (L x W x H) |
Packing Materials It Runs
- PLA/Paper/Plastic film for compostable coffee bags
- Plastic/Aluminum/Plastic film for high barrier and moisture protection
- Paper/Aluminum/Plastic film for premium retail packaging
- Filter paper for inner bags in traditional drip coffee formats
How the Machine Works
- 1Film unwinding and inner bag formation
- 2Volumetric cup filling with 5 to 15 g coffee per bag
- 3Inner bag ultrasonic sealing and cutting
- 4Outer bag forming and positioning
- 5Outer bag ultrasonic sealing and cutting
- 6Discharge of completed inner and outer bag unit
Quality Control Before Shipment
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Certifications
- ISO
- CE
Customization Options
- Choice of inner and outer bag size within the 50-75 mm and 85-120 mm length range
- Selection of film type: PLA/Paper/Plastic, Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic, or filter paper
- Add-on options: flat cut device, date printer, easy tear device
- Voltage and plug adapted to destination market on request
- Nitrogen flushing connector reserved for future integration
How It Compares
| Manual inner and outer bag sealing | The C19D replaces a manual team and ensures consistent weight and seal quality, but requires a fixed power supply and floor space |
|---|---|
| Heat-sealed coffee bag machine | Ultrasonic sealing avoids heat damage to coffee oils and preserves aroma, but requires an air supply and precise film alignment |
| Single bag machine for inner or outer only | The C19D handles both inner and outer bags in one line, reducing machine count and floor space, but has a higher initial power demand |
Use Guide
- 1Connect a clean dry air supply and single phase 220V 50Hz power outlet
- 2Load the selected film roll matching your inner and outer bag size and material
- 3Set the volumetric cup to the desired fill weight between 5 and 15 g
- 4Adjust the stepper motor for outer bag length positioning within the 85 to 120 mm range
- 5Run a test batch of 10 bags and check fill weight, seal integrity, and bag size
- 6Clean the filling cup and sealing heads between different coffee types to prevent aroma carry-over
C19D Automatic Robusta Coffee Sealing Machine Manufacture FAQ
What is the fill weight range for the C19D?
5 to 15 grams per bag, set on the volumetric cup filler.
How fast does it run?
40 to 60 bags per minute, depending on bag size, fill weight, and coffee flow rate.
Can it run nitrogen flushing?
Yes. The machine has a reserved connector to link with a nitrogen making machine for flushing.
What power supply does it need?
Single phase 220V 50Hz, 3.7kW. We can adjust the voltage and plug for your destination market.
What film types can it use?
PLA/Paper/Plastic, Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic, and filter paper.
Is the machine certified?
Sengong is certified to ISO and CE. Certificates are available on request.
How much floor space and lifting capacity do I need?
The machine measures 1200 x 900 x 1900 mm and weighs 600 kg. Plan for forklift access and doorway clearance.
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Tell us your product, bag weight and hourly output. We confirm the film, the bag size and the total delivered price.