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Types of Batch Coding Machines: A Buyer’s Guide for Production Lines
- HT Marker Team
- Updated
Batch coding keeps products traceable, safe, and compliant—expiry dates on milk cartons, serials on meds, QR codes on e-com boxes. The right batch coding machine scales with your line, cuts errors, and saves cash. Today, choices split by operation mode (manual, semi-auto, auto) and contact type (touch or no-touch). HeatSign’s lineup covers all—here’s the straight talk.
1. Operation Modes: Speed vs. Scale
Your required output volume determines the necessary investment tier for automation:
| Mode | How It Runs | Output | Cost | Best For |
|---|---|---|---|---|
| Manual | Hand-fed, hand-stamped | 1–5 pcs/min (<100/day) | $50–$300 | Very small workshops, simple batch stamps. |
| Semi-Auto | Auto-print, manual load | 10–30 pcs/min (500–2,000/day) | $800–$2,000 | Growing businesses, varied products, packaging lines. |
| Full-Auto | Conveyor-fed, zero touch | 60–200 pcs/min (5,000+/day) | $3,000–$15,000 | Large manufacturing, pharmaceutical, beverage bottling. |
Tip: Start semi-auto if growing—you can upgrade later without fully retraining operators.
2. Contact vs. Non-Contact: Protect the Pack
Non-contact marking is standard in modern manufacturing (wins 90% of lines)—it ensures no dents on delicate packaging and handles faster codes instantly.
| Type | Mechanism | Ideal Products | Changeover |
|---|---|---|---|
| Contact | Stamps, TTO ribbons (Thermal Transfer Overprinter) | Stable flats, flexible films | Slow (requires ribbon/pad swap) |
| Non-Contact | Ink spray (TIJ/CIJ) or Laser | Fragile, curved, fast codes | Instant (digital parameter change) |
3. Top Non-Contact Machine Technologies
A. Thermal Inkjet (TIJ) – The Versatile All-Rounder
TIJ uses heat to eject ink from a disposable cartridge, offering simplicity and high resolution.
| Sub-Type | Use | Speed | Resolution |
|---|---|---|---|
| Handheld TIJ | Field, odd shapes, large products | 50m/min | 600 DPI |
| Online TIJ | Conveyor, small text | 70m/min | 300–600 DPI |
Why TIJ? Minimal running costs (approx. $0.01/print), no warm-up time, compatible with paper, plastic, glass, and foil. HeatSign Pick: HS-PT03 Portable – 12-hr battery, 25mm height, curved sensor.
B. Continuous Inkjet (CIJ) – The Speed Demon
CIJ printers operate continuously by recycling ink and solvent. Skip CIJ unless running 10,000+ products/hour—they require complex daily flush procedures. Best for: 300m/min beverage/cable lines.
C. Laser Coders – Zero Ink, Max Life
Lasers are the ultimate zero-consumable solution, providing permanent marks.
| Type | Power | Surfaces | Speed |
|---|---|---|---|
| CO₂ | 30–60W | Paper/plastic/glass | 1,000 mm/s |
| Fiber | 20–50W | Metal/foil/hard plastic | 2,000 mm/s |
Why Laser? Zero running cost, permanent etch (ideal for compliance), eco-friendly. HeatSign Pick: HS-CLY40 CO₂ – flying marks, PLC sync.
Decision Cheat Sheet: Real-World Matchups
| Need | Winner | Example |
|---|---|---|
| Small Shop | Handheld TIJ | Pallets marked on-site |
| 1,000 bottles/hr | Online TIJ | Date + QR on PET bottles |
| Pharma Vials | Fiber Laser | Serials that never fade (permanent DPM) |
| Color Logos | Contact TTO | Bold red/black on cartons |
Quick Batch Coding Picker
| Question | → Machine |
|---|---|
| <500/day? | Handheld TIJ |
| Conveyor? | Online TIJ or CO₂ Laser |
| Fragile/wet? | Non-contact (Laser or CIJ) |
| Zero ink? | Laser |
| Color? | TIJ |
