H.R. PLASTIC MACHINERY PVT. LTD.

Plastic Dana Cutter Supplier in India

September 22, 2025

Plastic Dana Cutter Supplier in India

Plastic Dana Cutter Supplier in India | Pelletizing & Strand Cutting Systems

Plastic Dana Cutter Supplier in India

A trusted Plastic Dana Cutter Supplier provides robust strand and die-face cutting systems for LDPE/LLDPE, HDPE, PP, PET, and engineering polymers. The right cutter ensures uniform granule size, low dust, and high uptime across recycling and compounding lines. Evaluate build quality, blade metallurgy, cooling method, and after-sales support before purchase. Explore configurations, videos, and technical guidance on HR Plastic India.

Working Principle & Process Flow of Dana Cutting

After melt filtration, polymers are extruded through a die. In water-bath strand cutting, strands pass through a cooling trough, are dewatered, then chopped by a rotary cutter against a fixed bed knife to produce uniform pellets. In hot die-face cutting, rotating knives cut pellets at the die mouth while process water or air carries them to a centrifugal dryer. Accurate speed sync between haul-off and cutter maintains consistent pellet length and minimizes angel hair and fines.

Types of Plastic Dana Cutters

Strand Pelletizer (Water-Bath): Ideal for LDPE/LLDPE film scrap and PP; simple operation with high cut consistency and low running cost.
Hot Die-Face Cutter: Compact footprint; best for sticky/soft grades and high throughputs; integrates with water ring or air cooling systems.
Underwater Pelletizer (UWP): Premium solution for tight size control at very high rates; suitable for PP, PE, and some engineering polymers.
Dry Face/Air-Cooled Cutter: Eliminates water in the loop; suited for materials sensitive to moisture or where water treatment is limited.
Compact Bench-Scale Cutter: Trial/lab machines for masterbatch formulators and QA labs to validate pellet dimensions and dispersion.

```

Key Features & Specifications

Hardened rotary & bed knives with easy gap adjustment for clean, burr-free pellets and reduced angel hair.
Variable Frequency Drive (VFD) for precise cutter RPM & haul-off synchronization to maintain pellet length.
Stainless-steel contact parts in cooling troughs; efficient dewatering via air knife or centrifugal dryer.
Quick-open safety guards, interlocks, and low-vibration chassis for safe operation and longer bearing life.
Optional water ring die, auto strand feeding, pellet length indicators, and dust extraction to improve quality.

```

Applications of Plastic Dana Cutter

Recycling Lines: Pelletizing washed film flakes, rigid regrind, and mixed polyolefins into uniform dana ready for film, sheet, and molding.
Compounding & Masterbatch: Producing filled, reinforced, or colored pellets with tight size distribution for stable downstream dosing.
PET & Nylon Loops: Hot-face/UWP solutions for consistent pellet geometry supporting fiber, strapping, and engineering applications.
Lab & Pilot Plants: Small cutters to test formulations, pigment dispersion, and mechanical properties before scale-up.

Benefits of Buying from a Specialist Supplier

Uniform pellet size & low dust â†’ smoother conveying, dosing, and extrusion with fewer filter changes and rejects.
Higher uptime via rugged knife holders, quality bearings, and easy-access design that shortens changeovers and maintenance.
Lower operating cost due to optimized drive power, replaceable wear parts, and standardized spares available locally.
Better safety & compliance with interlocked guards, emergency stops, and documentation for audits and operator training.

Manufacturers & Suppliers in India

India has a mature ecosystem for Plastic Dana Cutter equipment serving recyclers, compounders, and processors. Typical deliverables include layout assistance, installation & commissioning, operator training, spares kits, and remote diagnostics. Evaluate pelletizer compatibility with your extruder, target output (kg/hr), polymer mix, and cooling utilities. Ask for pellet length range, knife steel grade, vibration level, and kWh/kg benchmarks before finalizing.

Maintenance & Safety Tips

Inspect knives daily; maintain correct knife-to-bed gap and replace dull edges to prevent fines and fuse pellets.
Align haul-off speed with cutter RPM; log pellet length and adjust VFD settings to keep size within tolerance.
Clean cooling troughs, screens, and dryers; maintain water quality to avoid scaling and pellet contamination.
Lubricate bearings as per schedule; monitor vibration and temperature to catch misalignment early.
Enforce lockoutâ€“tagout; keep guards closed; train operators on emergency stop and jam clearing procedures.

FAQs â€“ Plastic Dana Cutter Supplier

1. Which is better for recycled filmâ€”strand or die-face cutter? +

For LDPE/LLDPE films, water-bath strand pelletizers are popular due to simplicity and low cost. Sticky grades or very high outputs may benefit from hot die-face systems.

2. What pellet size can I expect? +

Most setups deliver 2â€“4 mm pellets. Actual size depends on die hole, cutter RPM, haul-off speed, and material rheology. We help tune parameters during commissioning.

3. How often do knives need replacement? +

Depends on throughput and contaminants. With proper gap and cooling, knives last longer; many users rotate/sharpen weekly and replace as wear limits are reached.

4. Can I switch between materials quickly? +

Yes. Quick-open covers, easy knife access, and standardized tooling enable fast changeovers. Purging procedures minimize cross-contamination between grades/colors.

5. What utilities are required? +

Three-phase power sized to the extruder & cutter, process water (if water-bath/hot-face water ring), and compressed air for actuators. We share a detailed utility list with quotes.