Melt Pump
- Polymer extrusion melt gear pump
- melt pump for plastic extrusion
- Polymer Reaction Kettle pump
- gear pump rubber extruder
- melt pumps for extrusion
- Melt Gear Pumps for BOPP Films
- ZB-G bearing external melt pump
- melt pump for pvc extrusion
- ZB double shaft drive melt pump
- Explanation of terms for melt pump d
- ZB-X Series chemical gear melt pump
- PID Control System for extrusion
- PLC Control System for extruder
- ZB-U series melt extrusion spinning
- ZB-E series transfer melt pump for e
- ZB-H series high temperature and hig
- ZB-R series gear melt pump for rubbe
- ZB-K series chemical stainless steel
- ZB-D series pipeline melt pump for p
- ZB-F series melt pump for reaction k
- ZB-B series dosing standard thermopl
- ZB-C series plastic granule machine
Screen Changer
- polymer melt filtration screen changer
- recycled plastic screen changer
- slide plate screen changer
- pillar screen changer
- dual bolt screen changer
- continuous screen changer
- screen changer polymer filter
- Plastic extruder filter extrusion sc
- Biodegradable plastic PBAT/PLA hydra
- Single plate hydraulic screen change
- plastic extrusion screen changer
- single plate hydraulic quick screen
- Manual control screen changer
- Double plate continuous hydraulic sc
- Automatic mesh belt continuous scree
- Double piston four screen cavities c
- Single plate double screen cavities
- Single piston double screen cavities
- Double piston four screen cavities b
- Dual Bolt double screen cavities hyd
Feeding System
- force feeder extruder
- loss in weight feeder for masterbatc
- continuous feeding system
- Liquid loss in weight feeder
- china volumetric screw doser feeder
- Multi-component loss in weight feede
- Micro loss in weight metering feeder
- Single screw gravimetric dosing feed
- Twin screw loss in weight metering f
melt blown progress
contact us
- Batte Machinery Zhengzhou Co., Ltd.
- E-mail: sale@meltpump.com
- whatsapp: +86 158 38331071
- Tel: +86-371-67991755 / 67992755
- FAX:+86-371-67993277
- Address:No.11 Changchun Road, High-tech Zone, Zhengzhou, China.
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Which plastic extrusion production lines utilize melt pumps?
As a core component in plastic extrusion production lines, melt pumps are widely applied across diverse scenarios. Their primary function is to achieve high-precision metering, stable conveying, and pressure control of molten materials through precise gear or screw engagement. Below is a detailed analysis of their specific applications and technical advantages:
I. Key Application Areas
1. Film and Sheet Extrusion
Scenarios: Biaxially oriented polypropylene (BOPP) films, cast films, optical films, etc.
Technical Impact:
Melt pumps restrict pressure fluctuations to within ±1%, reducing film thickness deviations from 5% (traditional processes) to below 1%. For instance, a BOPP production line integrating a melt pump achieved stable thickness deviations within ±1.5%, boosting the yield rate by 20%.
Pipe and Profile Extrusion
Scenarios: PE, PP, and PVC pipes, as well as wood-plastic composites (e.g., door frames, stair railings).
Technical Impact:
In wood-plastic production lines, melt pumps paired with twin-screw extruders resolve melt fracture caused by high wood flour loading, enhancing tensile strength by 15%.
For pipe manufacturing, melt pumps reduce extruder backpressure, lowering screw axial force by 30% and extending equipment lifespan by 40%.
Chemical Fiber Spinning
Scenarios: Melt spinning of polyester, nylon, polypropylene, etc.
Technical Impact:
A global enterprise adopting a five-gear melt pump reduced spinning breakage rates by 40% and decreased filament fineness variation from 2.5% to 0.8%.
High-temperature melt pumps (above 300°C) ensure stable polymer melt delivery, maintaining fiber fineness uniformity and supporting differentiated fiber production.
4. Engineering Plastic Modification
Scenarios: High-viscosity materials such as glass-fiber-reinforced plastics (filler content >40%) and thermoplastic elastomers.
Technical Impact:
Specially designed melt pumps, combined with forced feeding systems, prevent melt fracture and reduce material waste by 20%.
An automotive parts manufacturer adopting this solution improved tensile strength by 15%, meeting high-performance requirements.
5. Co-Extrusion and Multi-Layer Extrusion
Scenarios: Multi-layer composite pipes, packaging films, etc.
Technical Impact:
Melt pumps precisely control melt flow rates for each layer, ensuring stable interlayer thickness ratios and preventing interface delamination.
6. Recycled Material Pelletizing
Scenarios: Recycled HDPE, PET chemical recycling.
Technical Impact:
Melt pumps homogenize viscosity fluctuations caused by raw material variability, narrowing the melt index range of recycled HDPE from ±15% to ±3%.
In PET depolymerization reactions, they accurately control material residence time, increasing depolymerization rates from 85% to 98%.
Typical Application Cases
BOPP Film Production: After integrating a melt pump, the film thickness deviation decreased from 5% to below 1%, while production speed increased by 15%.
Chemical Fiber Spinning: A five-gear melt pump reduced spinning breakage rates by 40%, enabling the development of functional textiles.
Automotive Components: The tensile strength of glass-fiber-reinforced plastic products improved by 15%, with material waste reduced by 20%.
PET Chemical Recycling: The depolymerization rate rose from 85% to 98%, advancing the circular economy.
The melt pump has become an indispensable "heart component" in plastic extrusion production lines, with its applications spanning the entire industrial chain—from films and pipes to high-end chemical fibers and recycled materials. By stabilizing pressure, enhancing precision, reducing energy consumption, and extending equipment lifespan, it systematically addresses critical pain points in extrusion production, such as instability, inefficiency, and high energy use, driving the industry toward upgrades in high precision, low energy consumption, and sustainability.
Email: sale@meltpump.com
WhatsApp: +86 158 3833 1071
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