Metering Feeder Loss-In-Weight Scale

Metering Feeder Loss-In-Weight Scale: Precision Feeding Feeding rau extrusion txheej txheem

Nrog ntau tshaj xyoo 17 ntau xyoo kev paub ua haujlwm hauv kev txhim kho thiab kev tswj hwm khoom siv yas extrusion, Kuv tau ua haujlwm nrog 250+ cov tuam txhab tsim khoom thoob ntiaj teb los daws teeb meem pub zaub mov tsis zoo—ib qho ntawm cov teeb meem nrov tshaj plaws hauv extrusion tsim. The Metering Feeder Loss-In-Weight Scale (LIW) thiab volumetric feeder systems yog lub hauv paus rau kev ua haujlwm extruder ruaj khov, cuam tshuam ncaj qha rau qhov zoo ntawm cov khoom, pov tseg khoom siv, thiab kev ua haujlwm tsim khoom tag nrho. Thaum volumetric feeders muab cov kev daws teeb meem pheej yig rau cov kev siv qauv, cov ntsuas poob hauv qhov hnyav muab qhov tseeb tsim nyog rau tus nqi siab, cov txheej txheem extrusion uas muaj kev tso cai nruj—ua rau ob qho system no yog cov cuab yeej tseem ceeb hauv lub hoobkas ua yas niaj hnub no.

Volumetric Feeder: Kev pub zaub mov pheej yig rau kev siv extrusion qauv

Lub tshuab pub mov volumetric haum rau feem ntau cov kev daws teeb meem muab khoom extruder, nws muaj cov yam ntxwv pub khoom pheej yig thiab ua haujlwm tau zoo. Raws li qhov system pub khoom siv dav tshaj plaws rau kev extrusion dav dav, cov tshuab pub mov ntim sib npaug ntawm tus nqi pheej yig nrog kev ua tau zoo ntseeg tau, ua rau lawv zoo tagnrho rau cov tuam txhab me thiab nruab nrab uas ua haujlwm cov khoom tsis tseem ceeb (e.g., PE/PP siv dav dav, cov PVC compounds ruaj khov) thaum kev ntsuas kom raug tsis yog qhov tseem ceeb tshaj plaws.

Tsis zoo li cov ntsuas poob hauv qhov hnyav uas ntsuas qhov hnyav ntawm cov khoom hauv lub sijhawm tiag tiag, volumetric feeders muab cov khoom ntim ruaj khov rau extruder—tswj los ntawm kev tig ntsia hlau thiab qauv ntsia hlau. Qhov yooj yim no txhais tau tias tus nqi pib qis dua (30-50% tsawg dua kev poob hnyav) and minimal maintenance, ua volumetric feeders yog kev xaiv zoo rau kev siv ntau, kev tsim khoom nrog nyiaj tsawg.

Core Design of Volumetric Feeders rau Extruder Applications

Volumetric feeder muaj ib lub ntsia hlau ob me me, barrel, thiab lub tshuab Filler Masterbatch Machine Manufacturer tsim los rau kev ntws khoom ruaj khov thiab tsis muaj sijhawm ua haujlwm ntau. Qhov qauv ob ntsia hlau me me daws ob qhov teeb meem tseem ceeb ntawm single-screw volumetric feeders: kev txuas khoom thiab kev tso tawm tsis sib xws, uas cuam tshuam ncaj qha rau extruder throughput thiab zoo ntawm cov khoom.

Thaum cov khoom nkag mus rau hauv lub thawv, lub ntsia hlau tsuas yog tig los ntawm lub log sib xyaw, uas tsis yog tsuas yog thawb cov khoom mus rau hauv qab, tab sis kuj txo kev thaiv, ua kom yooj yim rau kev tso tawm, txuag sijhawm thiab zog, thiab daws teeb meem ntawm kev tso tawm qeeb uas cuam tshuam rau kev ua haujlwm. Ob lub screws sib txuas ua ke tsim kev txav zoo, ua kom cov khoom raug xa mus rau qhov chaw noj ntawm extruder tas mus li—txawm rau cov khoom uas muaj kev ntws tsis zoo (e.g., regrind flakes, pelletized PVC nrog ntau filler).

Cov yam ntxwv tsim tseem ceeb ntawm Zhooyue cov khoom noj volumetric muaj xws li:

• Modular Twin-Screw Design: Cov screws muaj ntau hom pitch (10mm, 15mm, 20mm) kom phim cov khoom ntws—pitches luv rau cov khoom ntws tsawg (regrind), pitches ntev dua rau pellets ntws dawb.
• Variable Speed Motor: IE3 efficiency motors nrog 0-100 rpm hloov ceev tswj, tso cai rau kev kho ntim kom raug kom phim extruder tso zis (5-2000 kg / teev).
• Anti-Clog Stirring Roller: Integrated stirring roller at the feed hopper inlet prevents material bridging and rat-holing, ensuring consistent material entry into the twin-screw barrel.
• Compact Footprint: Designed to fit in tight factory spaces, with easy mounting to extruder feed throats or standalone support frames.
• Easy Cleanout: Quick-release barrel and screw assemblies for fast material changeovers (≤10 minutes for most materials), reducing downtime between production runs.

Key Benefits of Volumetric Feeders

1. Low Total Cost of Ownership

Volumetric feeders have the lowest upfront cost of any industrial feeding system, with minimal ongoing maintenance (no load cells, sensors, or complex electronics to calibrate). Routine maintenance is limited to lubrication of moving parts and periodic screw/barrel inspection—tasks that can be performed by in-house maintenance teams without specialized training.

2. High Efficiency for Standard Materials

For free-flowing pellets (e.g., virgin PE/PP) and non-critical compounding applications, volumetric feeders deliver 95% feeding efficiency (material delivered vs. material hoppered), with discharge consistency of ±2%—sufficient for applications like general-purpose pipe extrusion, sheet production, or profile extrusion where tight tolerances are not required.

3. Easy Operation & Kev cob qhia

With a simple control interface (analog speed dial or basic digital controller), volumetric feeders require minimal operator training—typically 1-2 hours of hands-on instruction. Qhov no yog qhov zoo rau cov tuam txhab uas muaj kev hloov neeg ua haujlwm ntau lossis muaj neeg ua haujlwm tsawg.

4. Kev sib haum nrog ntau yam khoom siv

Zhooyue cov tshuab pub mov ntim tswj tau ntau hom yas, suav nrog:

• Cov pellets tshiab (PE, PP, PVC, ABS, PS)
• Regrind flakes/pellets (mus txog rau 50% regrind cov ntsiab lus)
• Cov khoom puv (mus txog rau 40% calcium carbonate/talc filler)
• Color masterbatches (Kev thauj khoom tsawg mus nruab nrab)

Loss-In-Weight (LIW) Scale Metering Feeder: Precision Feeding for Critical Applications

Thaum volumetric feeders ua tau zoo hauv kev siv nyiaj zoo, cov ntawv siv qauv, Filler Masterbatch Machine Factory Loss-In-Weight (LIW) scale metering feeders yog tsim los rau kev muab tshuaj kom raug—yog qhov tseem ceeb rau extrusion muaj nqi siab uas cov khoom sib xws cuam tshuam ncaj qha rau kev ua tau zoo, kev ua raws cai, lossis kev tsim khoom. LIW feeders ntsuas qhov hnyav ntawm cov khoom raug tso tawm tam sim ntawd, hloov ceev screw dynamically kom khaws tau dosing kom raug (±0.1% accuracy), making them the gold standard for medical, tsheb, and aerospace plastic processing.

How Loss-In-Weight Scale Metering Feeders Work

LIW feeders operate on the principle of continuous weight measurement:

1. The feeder hopper, twin-screw assembly, and drive system are mounted on high-precision load cells (accuracy ±0.01% of full scale).
2. As material is discharged to the extruder, the load cells measure the rate of weight loss in the hopper.
3. A PLC (Programmable Logic Controller) compares the actual weight loss rate to the target setpoint (e.g., 50 kg / teev).
4. The PLC adjusts the twin-screw speed in real-time to correct any deviation from the target rate—slowing the screw if discharge is too fast, speeding it up if discharge is too slow.
5. When the hopper level reaches a low threshold, an automated refill system (pneumatic conveyor lossis auger) refill lub hopper—nrog PLC suav nrog qhov hnyav refill kom txuas ntxiv, kev ntsuas kom raug.

Qhov system tswj kaw no xyuas kom extruder tau txais qhov hnyav ntawm cov khoom siv ib qho sijhawm, tsis hais txog cov yam ntxwv ntawm cov khoom ntws (e.g., bulk density hloov pauv hauv regrind, kev sib sau ua ke los ntawm av noo hauv cov khoom siv uas muaj dej ntws xws li PA/PC).

Cov yam ntxwv tseem ceeb ntawm Zhuoyue LIW Metering Feeders

Zhuoyue cov Loss-In-Weight Scale Metering Feeders tsim raws li qhov pov thawj Suav Underwater Pelletizer System Wholesale twin-screw tsim ntawm peb cov volumetric feeders, ntxiv cov txheej txheem ntsuas thiab tswj kom raug kom muab qhov tseeb zoo tshaj plaws hauv kev lag luam:

• High-Precision Load Cells: Stainless steel shear beam load cells nrog kev kho kub (-10°C txog 50°C) to eliminate drift from factory temperature fluctuations.
• Advanced PLC Control System: Color HMI touchscreen nrog cov ntaub ntawv profiles uas tau teeb tsa ua ntej (e.g., PVC qib kho mob, XLPE cable compounds, PA reinforced iav).
• Automatic Refill System: Vacuum lossis pneumatic refill nrog kev tswj anti-surge kom txo qhov yuam kev thaum rov sau hopper.
• Cov kev xaiv kho cov khoom siv: Cov heaters/dehumidifiers hauv hopper rau cov khoom siv uas muaj dej ntub, thiab kev pab txhawb kev co rau cov khoom siv uas ntws tsawg (e.g., cov tshuaj muaj fiber iav).
• Kev sau ntaub ntawv & Traceability: Kev sau ntaub ntawv hauv tsev (mus txog rau 1 xyoo ntawm cov ntaub ntawv keeb kwm) rau kev ua raws FDA, ISO, thiab kev lag luam tsheb (IATF 16949) kev yuav tsum tau taug qab.
• ATEX-Certified Options: Siv hauv qhov chaw muaj kev tawg (e.g., ua haujlwm nrog hmoov yas lossis solvent uas kub nyhiab), ua raws ATEX Directive 2014/34/EU.

Cov txiaj ntsig tseem ceeb ntawm LIW Metering Feeders

1. Kev ntsuas tshuaj zoo tshaj

Nrog kev ntsuas tseeb ntawm ±0.1% thiab rov ua tau ±0.05%, LIW feeders xyuas kom muaj kev nkag khoom ruaj khov rau extruder—qhov tseem ceeb rau:

• Kev extrusion khoom siv kho mob (IV tubing, cov cuab yeej phais) thaum qhov ntev raug yog ±0.01mm
• Kev extrusion khoom tsheb (gaskets, interior trim) thaum qhov sib xws ntawm cov khoom cuam tshuam rau kev ua haujlwm tshuab
• Cable insulation extrusion (XLPE/LSZH) thaum qhov thickness rwb thaiv tsev cuam tshuam ncaj qha rau kev ua haujlwm hluav taws xob

Kev kuaj los ntawm lwm tus los ntawm International Society of Automation (ISA) qhia tias Zhuoyue LIW feeders khaws tau qhov tseeb txawm tias muaj kev hloov pauv ntawm cov khoom loj txog 15%—ib qho teeb meem nrov nrog yas rov siv dua lossis puv.

2. Txo cov khoom pov tseg

Kev ntsuas kom raug tshem tawm kev muab ntau dhau (ib qho teeb meem nrov nrog volumetric feeders), txo cov khoom pov tseg los ntawm 3-5% ib zaug tsim khoom. Rau cov khoom muaj nqi siab (e.g., medical-grade TPU at $5/kg), this translates to annual cost savings of $50,000-$150,000 for a 24/7 production facility.

3. Kev Tswj Xyuas Kev Cai & Traceability

Built-in data logging and audit trails make LIW feeders ideal for regulated industries. All dosing parameters (setpoint, actual rate, Cov khoom siv hom, operator ID) are recorded and can be exported to CSV/PDF format for regulatory inspections—critical for FDA 21 CFR Part 11 a (electronic records/signatures) hauv kev tsim khoom kho mob.

4. Process Stability & Product Quality

Consistent material feeding stabilizes the entire extrusion process, reducing variation in melt pressure, s, and product dimensions. This results in:

• Scrap rates reduced by 50-70% for critical applications
• Fewer production rejects (down to <0.5% for medical tubing)
• Longer extruder screw/barrel life (reduced wear from inconsistent feeding)

Cov Ntaub Ntawv Txuj Ci: Zhuoyue Metering Feeder Systems

1. Volumetric Feeder Specifications

Model	Twin-Screw Diameter (mm)	Speed Range (rpm)	Feeding Capacity (kg / teev)	Motor Power (kW)	Accuracy
ZYVF-15	15	0-80	5-50	0.75	±2%
ZYVF-25	25	0-90	20-150	1.5	±2%
ZYVF-35	35	0-100	50-500	2.2	±2%
ZYVF-50	50	0-100	100-2000	4.0	±2%

2. Loss-In-Weight (LIW) Cov lus qhia txog metering feeder

Model	Twin-Screw Diameter (mm)	Speed Range (rpm)	Feeding Capacity (kg / teev)	Motor Power (kW)	Load Cell Capacity (kg)	Accuracy
ZYLIW-15	15	0-80	5-50	0.75	50	±0.1%
ZYLIW-25	25	0-90	20-150	1.5	150	±0.1%
ZYLIW-35	35	0-100	50-500	2.2	500	±0.1%
ZYLIW-50	50	0-100	100-2000	4.0	2000	±0.1%

Phau ntawv thov: Xaiv ntawm volumetric & LIW Feeders

Xaiv qhov feeder system kom raug nyob ntawm koj hom khoom siv, cov kev xav tau khoom, thiab nyiaj txiag. Hauv qab no yog ib qho kev qhia meej los pab koj xaiv:

Factor	Xaiv Volumetric feeder yog…	Xaiv LIW Feeder yog…
Cov khoom siv hom	Cov pellets tshiab, cov tshuaj siv dav dav, regrind pheej yig	Plastics qib kho mob, puv/reinforced engineering yas, LSZH/XLPE cable materials, regrind muaj nqi siab
Yuav tsum muaj qhov tseeb	±2% qhov tseeb yog txaus (cov yeeb nkab/profile/ntawv extrusion dav dav)	±0.1% qhov tseeb uas yuav tsum tau (i, cov khoom tsheb, kev rwb thaiv hluav taws xob)
Kev Tswj Xyuas Kev Cai	Tsis muaj kev yuav tsum tau taug qab/ua raws cai	FDA, ISO, IATF 16949, lossis ATEX kev ua raws cai
Pob nyiaj siv	Tus nqi ua ntej yog qhov tseem ceeb (30-50% nqi qis dua LIW)	Txuag nqi ntev (khib nyiab txo, kev txhim kho zoo) ua kom muaj nqi siab dua thaum pib
Ntau lawm ntim	Volume-volume, kev tsim khoom tau nyiaj tsawg	Ntim nruab nrab mus rau siab, kev tsim khoom tau nyiaj siab

Case Study: LIW Feeder txhim kho kev tsim yeeb nkab kho mob (EU Facility)

Ib lub tuam txhab tsim khoom kho mob EU tau hloov cov feeder ntim nrog Zhuoyue ZYLIW-25 LIW feeders rau lawv cov kab tsim yeeb nkab kho mob PVC mos 2024. Cov teeb meem tseem ceeb ntawm cov neeg siv yog:

• Qib pov tseg siab (8%) vim kev pub tsis sib xws ua rau qhov ntev txawv
• Tsis ua raws FDA 21 CFR Part 11 (tsis muaj kev taug qab ntaub ntawv)
• Pov tseg khoom 6% los ntawm kev pub ntau dhau

Tom qab nruab LIW feeders:

• Qib pov tseg poob qis 0.4% (95% txo qis) vim ±0.1% kev ntsuas raug
• Kev pov tseg khoom txo mus 1% (83% txo qis), txuag €75,000/xyoo hauv PVC cov nqi khoom
• Ua raws FDA tag nrho 21 CFR Part 11 (kev sau ntaub ntawv thiab kev tshuaj xyuas)
• Kev tsim khoom nce ntxiv 10% (tsis muaj sijhawm nres ntxiv los ntawm cov khoom tsis muaj qhov ntev)
• ROI tau ua tiav hauv 9 lub hlis

Tus neeg siv tau qhia tias LIW feeders tsis tsuas yog txhim kho cov khoom xwb Tus Muab Tshuab Filler Masterbatch quality and compliance but also reduced operator intervention by 50%—freeing staff to focus on other critical production tasks.

Installation, Calibration & Maintenance of Metering Feeders

1. Installation

Zhuoyue’s metering feeders are designed for easy installation:

• Volumetric feeders: Mount directly to extruder feed throats (flange-mount design) or standalone frames, with electrical connections to extruder control panels (220V/380V single/three-phase).
• LIW feeders: Mounted on anti-vibration pads (to eliminate load cell interference) with dedicated electrical enclosures for control systems. Installation typically takes 4-8 hours per feeder.

Our on-site technical team manages all installation and wiring, ensuring compliance with local electrical codes (CE, UL, NEC).

2. Calibration

Calibration is critical for feeder accuracy:

• Volumetric feeders: Calibrated by running material through the feeder and measuring discharge volume over a set time (10 feeb). Speed is adjusted to match target feed rate—calibration takes 30 minutes per material type.
• LIW feeders: Automated calibration via the HMI (no manual weighing required), with automatic temperature compensation. Calibration is recommended every 3 lub hlis (or after material changeovers) and takes 15 minutes per feeder.

Zhuoyue provides a calibration certificate for each feeder, compliant with ISO 9001 quality standards.

3. Kev saib xyuas

Preventive maintenance ensures long feeder life and consistent performance:

• Daily: Inspect hopper for material bridging, clean feeder inlet/outlet, check motor temperature.
• Weekly: Lubricate screw bearings, inspect stirring roller for wear, verify speed calibration.
• Monthly: Inspect screw/barrel for wear (volumetric feeders), check load cell calibration (LIW feeders).
• Annual: Replace wear parts (screws, stirring rollers), full system inspection and recalibration.

Zhuoyue offers a preventive maintenance program with scheduled on-site visits (quarterly/annually) and 24/7 technical support for emergency repairs.

FAQs About Zhuoyue Metering Feeder Loss-In-Weight Scale & Volumetric Feeders

Q: Can LIW feeders handle recycled plastics with inconsistent bulk density?

A: Yog. Zhuoyue’s LIW feeders use dynamic speed adjustment to compensate for bulk density variations (mus txog rau 15%) in recycled plastics. We also offer custom screw profiles for regrind materials to improve flow and reduce measurement error.

Q: What is the lead time for custom-configured LIW feeders?

A: Standard models (ZYLIW-15 to ZYLIW-50) have a lead time of 4-6 weeks. Custom configurations (ATEX certification, cleanroom compatibility, material conditioning options) require 8-10 weeks. Expedited production (3-week lead time) is available for an additional 20% fee.

Q: Do you provide operator and maintenance training?

A: Yog. We offer 1-day on-site training for operators (basic operation, calibration, troubleshooting) and 2-day training for maintenance technicians (advanced calibration, repair, part replacement). Training is available in English, German, French, Spanish, and Mandarin.

Q: Can multiple feeders be synchronized with a single extruder (for multi-component compounding)?

A: Yog. Zhuoyue’s central control system can synchronize up to 4 pub mis (main material + additives/fillers) with a single extruder, ensuring precise ratio control (e.g., 95% PE + 5% xim masterbatch). This is ideal for compounding applications requiring multiple material components.

Q: What is the warranty for Zhuoyue metering feeders?

A: Volumetric feeders: 2-year warranty on mechanical components (screws, barrels, motors), 1-year warranty on electronics. LIW feeders: 3-year warranty on load cells and mechanical components, 2-year warranty on electronics. We also offer extended warranty options (mus txog rau 5 xyoo) for an additional fee.

As a trusted supplier of metering feeder systems for over 17 xyoo, Zhuoyue’s volumetric and loss-in-weight feeders are engineered to meet the diverse needs of plastic extrusion manufacturers—from cost-effective standard feeding to precision dosing for regulated industries. Our focus on reliability, accuracy, and ease of use ensures that your extruder feeding process is efficient, consistent, and cost-effective—helping you maximize production yield and product quality. Contact our technical team today to discuss your feeding requirements and request a free feeder selection guide tailored to your extrusion application.