modifications in jute flyer spinning machine...
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The South India Textile Research AssociationCoimbatore - 641 014
MODIFICATIONS IN JUTE FLYER MODIFICATIONS IN JUTE FLYER SPINNINGSPINNING MACHINE BY SITRAMACHINE BY SITRA
A.SIVARAMAKRISHNANA.SIVARAMAKRISHNANV.KUMARAVELV.KUMARAVELG.ILANGO &G.ILANGO &T.MAHESHKUMART.MAHESHKUMAR
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JUTE INDUSTRY SCENARIOJUTE INDUSTRY SCENARIO
Obsolete Jute MachineryMore Labour IntensiveLess Technological AdvancementLack of Modernisation
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IMMEDIATE NEEDS FOR MILLSIMMEDIATE NEEDS FOR MILLS
Increased Productivity (Machine and Labour)Reduction in Energy ConsumptionImprovement in Quality
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YARN PRODUCTION PROCESSYARN PRODUCTION PROCESSBATCHING & OILING
GILL DRAWING (1st, 2nd and 3rd)
FLYER SPINNING
WINDING / FLYER DOUBLING
CARDING (BREAKER / INTER / FINISHER)
PREPARATION TO WEAVING
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FABRIC PRODUCTION PROCESSFABRIC PRODUCTION PROCESSCONE YARN
WEAVING
MEASURING & INSPECTION
CALENDERING
WARP BEAMING – WEFT COP WINDING
CUTTING / HEMMING / SEWING / BUNDLING / PACKING
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JUTE PROCESSING MACHINES JUTE PROCESSING MACHINES (TYPICAL MILL)(TYPICAL MILL)
Softener - 10Cards - 60Gill Drawing - 66Flyer Spg - 103Macrol Winding - 15Cop Winding - 20
Ring Twisting - 8Spool Winding - 15Looms - 314Finishing - 4ETP, Boiler & Compressors
*HESSIAN & SACKING CLOTH PRODUCTION (80 -90Tonnes per day)
ENERGY CONSUMPTION (50000 UNITS PER DAY)
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FLYER SPINNING MACHINEFLYER SPINNING MACHINE
INPUT - SILVEROUTPUT - YARNDRAFTING - SLIPSPINDLE - BOXTERCOUNT SPUN - 8,10,12,16,22 lb(Ne Jute)
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MACHINE SPECIFICATIONS MACHINE SPECIFICATIONS Machine : Flyer Spinning Frame
Drafting Type : Slip Draft - Mechanical
No. of Spindles : 100
Spindle Type : Boxter
Spindle Gauge : 4 ¼”
Lift : 6 ½”
Motor Capacity :15 hp;1440 rpm; 3phase
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JUTE FLYER SPINNING FRAMEJUTE FLYER SPINNING FRAME
Countlb
Twisttpi
Speedrpm
Prod.kg/day
DoffDuration
min
Yarn Content
g
EnergyUPT
8 4.4 4000 780 55 340 174
10 4.0 4000 1030 44 345 172
12 3.7 4000 1380 32 360 126
16 3.3 3750 1860 22 358 105
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PATTERN OF ENERGY CONSUMPTIONPATTERN OF ENERGY CONSUMPTION
SECTION PERCENTPRE SPINNING 20FLYER SPINNING 25WINDING 5PREPARATION TO WVG 5WEAVING 35FINISHING 5OTHERS 5
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PATTERN OF ENERGY CONSUMPTIONPATTERN OF ENERGY CONSUMPTION
20
25
5 5
35
5 5 PRE SPG
FLYER SPGWINDINGPREP.WVGWEAVINGFINISHINGOTHERS
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SITRA MODIFICATIONS IN FLYER SITRA MODIFICATIONS IN FLYER SPINNING MACHINESPINNING MACHINE
IMPROVED MOTOR DRIVE SYSTEMIMPROVED MOTOR DRIVE SYSTEMENERGY EFFICIENT MOTORENERGY EFFICIENT MOTORMODIFIED DRAFTING SYSTMEMODIFIED DRAFTING SYSTMEIMPROVED SPINDLE ASSEMBLYIMPROVED SPINDLE ASSEMBLYPULLEY DRIVE SYSTEM WITH ENERGY PULLEY DRIVE SYSTEM WITH ENERGY EFFICIENT TAPEEFFICIENT TAPE
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SITRA MODIFICATIONS IN FLYER SITRA MODIFICATIONS IN FLYER SPINNING MACHINESPINNING MACHINE
TRANSMISSION OF MOTIION BY HELICAL GEARS BALL BEARINGS FOR SMOOTH TRNASMISSIONTIMING BELT DRIVE INSTEAD OF CHAIN DRIVEMODIFIED BOBBIN DESIGNSIMPLIFIED BOBBIN DRIVE SYSTEM
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SITRA JUTE FLYSPINSITRA JUTE FLYSPINMOTOR DRIVE SYSTEMSPINDLE DRIVE SYSTEMSPINDLE TAPE TENSIONBUILDING MECHANISM GEAR DRIVES (HELICAL)BELT DRIVES (TIMING)
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MOTOR DRIVE SYSTEMMOTOR DRIVE SYSTEMDescription Conventional SITRA
Motor Ordinary Energy Efficient
Weight of Drive Pulleys (kg)
41.3 20.5
Belt Material Cotton Synthetic
Belt Tension Method
Dead Weight Butterfly Type
Belt Size (mm) 2080 x 138 x 6 1800 x 70 x 3
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ENERGY EFFICIENT MOTOR AND BELTENERGY EFFICIENT MOTOR AND BELT((BUTTERFLY BED SYSTEM)BUTTERFLY BED SYSTEM)
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CONVENTIONALCONVENTIONAL MODIFIEDMODIFIED
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SPINDLE DRIVE SYSTEMSPINDLE DRIVE SYSTEMDescription Conventional SITRAJockey Pulley Type Bush Bearing High Speed
Ball BearingJockey Pulley Dia (mm)
114 90 / 70SR9 / SR7
Jockey Pulley Weight (g)
375 280
Spindle Tape Type & Size (mm)
Cotton2275 x 25 x 1.5
Synthetic 2360 x 20 x 0.8
Belt Tension Dead Weight Spring Loaded
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SPINDLE DRIVE SYSTEMSPINDLE DRIVE SYSTEMDescription Conventional SITRAMain Drive Shaft Solid SolidMain Drive Shaft OD (mm)
44.5 38.1
Wt of Drive Pulley & Shaft (kg)
248.0 110.0
Drive Pulley Type Group –MS
Individual –ABS/AL
Drive Pulley Dia. (mm) 149.0 228.0
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COTTON TAPECOTTON TAPE SYNTHETIC TAPESYNTHETIC TAPE
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SPINDLE DRIVE SYSTEM SPINDLE DRIVE SYSTEM (EXISTING)(EXISTING)
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SPINDLE DRIVE SYSTEM SPINDLE DRIVE SYSTEM (MODIFIED)(MODIFIED)
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BOBBINBOBBIN DIMENSIONSDIMENSIONSDescription Conventional SITRA
Stem OD (mm) 29.5 25.8
Winding Ht. (mm) 166 173
Yarn Volume (cc) 656 784
Yarn Weight (kg) 339 405
Increase in Yarn Content - 19.4 %
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REDESIGNED BOBBINSREDESIGNED BOBBINS
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MODIFIED BOBBINS WITH YARNMODIFIED BOBBINS WITH YARN
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YARN CONTENT YARN CONTENT (MODIFIED) (MODIFIED) (EXISTING)(EXISTING)
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GEAR DRIVE SYSTEMGEAR DRIVE SYSTEM(EXISTING) (MODIFIED)(EXISTING) (MODIFIED)
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BUILDING CAMBUILDING CAM
EXISTING CAM MODIFIED CAM1:1 2:1
45
15
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POWER CONSUMPTION ANALYSIS POWER CONSUMPTION ANALYSIS (EXISTING MACHINE)(EXISTING MACHINE)
Description Power kW
% on Total
Motor No-load 0.602.311.233.60 46
Total Power 7.74 100
Tin-roller + Flyer 30Drafting 16Twisting
8
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ENERGY SAVING IN MODIFIED ENERGY SAVING IN MODIFIED MACHINEMACHINE
Description % saving
Motor No-load 2-3
4-5Total 15-20
Tin-roller + Flyer 8-10Drafting 1-2Twisting & Winding
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PERFORMANCE IMPROVEMENTPERFORMANCE IMPROVEMENT(SITRA JUTE FLYSPIN)(SITRA JUTE FLYSPIN)
PRODUCTIVITY - FLYER SPEED CAN BE INCREASED UPTO 5000 RPM
QUALITY - REDUCTION IN TWIST VARIATION (5%)HAIRINESS UPTO 10%
ENERGY - 15-20% REDUCTION INCONSUMPTION
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Description Existing M/c SITRA Modified M/c
Make/Mc No (4 ¼”) SP – 58 SP – 55 SP – 61Total Running Hrs 5.18 2.298 4.91Total Prod.,(kg) 260.5 124.0 247Energy Consum (kWh) 46.83 20.86 36.02Production / hr (kg) 50.289 53.959 50.28Units / hr 9.0425 9.077 7.3328Units / kg 0.1798 0.1681 0.1458% Saving in Units/hr -- -- 18.9 & 19.2% Saving in Units/kg -- -- 18.9 & 13.3Investment required -- -- 2.0 lakhsSaving in Rs/Yr/fr -- -- 56000ROI / Pay Back Period -- -- 28% / 3.5 Yrs
Cost Cost –– Benefit Analysis for SITRA Jute FlyspinBenefit Analysis for SITRA Jute Flyspin
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SALIENT FEATURESSALIENT FEATURESImproved motor drive assembly with energy efficient motorFlyer speed can be increased from 4000 to 5000 rpmEnergy efficient spindle drive system Improved gear drive system for reduction in noise and energy consumption.Improved Bobbin design accommodates 20% more yarn content
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CONCLUSIONSCONCLUSIONS20-30% increase in machine & labour productivity 15 % - 20 % reduction in specific energy consumptionImprovement in yarn quality in terms of twist variation & hairiness20 % increase in yarn content
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SITRA LICENSEESITRA LICENSEE--JUTE FLYSPINJUTE FLYSPIN
M/s. Servo Polytech Coimbatore (P) Ltd., S.F.189, Mahatma Gandhi Road, Neelikonampalayam, Coimbatore – 641 033.
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ACKNOWLEDGEMENTACKNOWLEDGEMENTMr.H.V.Kanoria, Chairman
Mr. Nawal Kejriwal, WholeTime Director Mr. D.Majumdar, President (Works)M/s. CHEVIOT COMPANY Ltd.
BUDGE BUDGE,KOLKATA.
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Ms. Indra DoraiswamyResearch AdvisorDr.Arimdam BasuDirector, SITRA
ACKNOWLEDGEMENTACKNOWLEDGEMENT
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