Benchtop Tube Sealers | Thermal & Ultrasonic | 8,000 Tubes/Shift
LOCUS ROBOTICS delivers specialized tube sealing solutions for extruded plastic, laminate, and aluminum tubes. Our semi-automatic and automatic sealers integrate seamlessly with filling lines — ensuring hermetic closure for cosmetics, pharmaceuticals, and chemical products at 400-1,200 tubes/hour.
| Type | Best For | Cycle Time | Key Advantage |
|---|---|---|---|
| Thermal Sealers | Single-layer plastic tubes | 1.2 sec | Copper-heated jaws for consistent melts |
| Ultrasonic Sealers | Multi-layer foil laminate | 0.8 sec | Vibration welding penetrates 7-layer barriers |
| Steam-Assisted | Hygienic food/pharma | 1.5 sec | Particulate-free sanitary closure |
| Mechanical Crimpers | Aluminum tubes | 1.0 sec | Servo-controlled torque precision |
| Parameter | Semi-Auto | Automatic |
|---|---|---|
| Throughput | 800-1,000 tubes/hr* | 1,500-2,000 tubes/hr |
| Power Consumption | 3.5 kW | 7.2 kW |
| Seal Width | 3-8 mm adjustable | 3-12 mm programmable |
| Footprint | 800×600mm (bench) | 1.8×1.2m (floor) |
| Compliance | GMP-ready, ISO 22716 | FDA 21 CFR Part 11, ATEX |
| *Operator-dependent |
| Sector | Recommended System | Critical Feature |
|---|---|---|
| Pharma | Ultrasonic + Steam Assist | Validated cleaning (CIP/SIP) |
| Cosmetics | Thermal with Embossing | Decorative seam profiling |
| Chemicals | ATEX Crimping System | Explosion-proof control cabinet |
| Food | Steam Tunnel Sealer | NSF-certified materials |
LOCUS ROBOTICS supplies benchtop semi-automatic tube sealing systems for extruded and laminate tubes. Engineered for small-batch producers (6,000-8,000 tubes/shift), these compact units integrate hermetic sealing and alphanumeric marking in one operation, supporting single/multi-layer materials — including foil barriers for product integrity.
| Feature | Thermal Sealers | Ultrasonic Sealers |
|---|---|---|
| Sealing Method | Copper-heated jaws | 20kHz generator + sonotrodes |
| Tube Compatibility | Single-layer extruded plastic | Multi-layer laminates (any thickness) |
| Cycle Time | 1.5-2 sec/seal | 0.8-1.2 sec/seal |
| Key Advantage | Lower upfront cost | No material burn; superior foil bonding |
| Marking Integration | Embossing via heated dies | Cold stamping during vibration welding |
Quality Assurance:
• Laser seal inspection • Pressure decay leak testing
Traceability:
• QR code embossing • Batch number imprinting
Automation:
• Robotic tube handling • Integrated reject stations
Special Features:
• Euroslot punching • Custom seam shapes • Anti-tamper patterns
Tube Type Sealing Method Max Speed
35mm Plastic (single-layer) Thermal 1,200 tubes/hr
45mm Laminate (foil) Ultrasonic 900 tubes/hr
50mm Aluminum Crimping 1,000 tubes/hr
| Parameter | Specification | |
|---|---|---|
| Output | 10-35 tubes/min (thermal); 20-40 tubes/min (ultrasonic) | |
| Tube Dimensions | Ø 16-50mm; H 10-200mm | |
| Power | 220V ±10%; 1-2.5kW | |
| Footprint | 900×600mm (standard benchtop) | |
| Marking | Date/batch embossing on seam |
Cosmetics (Creams/Gels):
Ultrasonic sealers with photo-mark orientation (±0.5° accuracy) — prevents branding misalignment.
Food (Sauces/Cheeses):
Thermal sealers with CIP-capable food-grade contact surfaces (AISI 304 SS).
Pharma (Ointments):
GMP-compliant models with documentation packages.
✅ Zero Changeover Costs
Interchangeable tube holders fit all formats without tooling adjustments.
✅ Hybrid Material Handling
Ultrasonic models seal 7-layer foil laminates at 1.2 sec/tube — 55% faster than thermal alternatives.
✅ Space Optimization
0.54m² footprint vs. 1.8m² for rotary monoblocs — ideal for compact labs.
✅ Hybrid Tooling
Quick-change kits switch between sealing methods in <3 mins
✅ Intelligent Process Control
Auto-calibration for tube thickness variations (0.2-1.2mm)
✅ Zero Contamination
FDA-compliant food-grade contact surfaces (316L SS)
Automation Package:
Tube orienters (+35% throughput)
Vision-guided rejection systems
Compliance Kits:
GMP documentation suite
ATEX motor/control upgrades
Downstream Integration:
In-line label applicators
Automated case packing
Commissioning Includes:
On-site validation per ISO 11607-1
Operator training simulator
Lifetime phone support
Global Response:
48h spare parts delivery (EMEA/APAC)
Multilingual engineers (EN/RU/ES/AR)
| Doser Type | Viscosity Range | Ideal Products |
|---|---|---|
| Piston | 5,000-50,000 cP | Toothpaste, cheese spreads |
| Gear Pump | 50,000-500,000 cP | Silicone sealants, thick gels |
| Peristaltic | Shear-sensitive fluids | Serums, vaccines |
Orientation System: Laser-guided photo-mark sensor
Labeling: Benchtop applicators for wrap-around labels
Downstream: Semi-auto case packers for 12/24-count boxes
- Production Volume: ≤6,000 tubes/shift
- Industries:
• Boutiqu cosmetics
• Artisan food producers
• Niche pharma startups
- Pain Points:
• Limited floor space
• Need for lot traceability
• Frequent SKU changes
Material Mastery
Ultrasonic systems weld 0.6mm foil-laminate 55% faster than thermal alternatives
Precision Control
Servo-driven torque accuracy ±0.3 N·m vs. pneumatic (±1.0 N·m)
Future-Ready
Interface for Industry 4.0 integration
«Reduced seal failure rate from 1.2% to 0.08% after switching to LOCUS ultrasonic sealers» — Cosmetics Manufacturer, Thailand
