agma fatores de serviço
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AGMA Fatores de ServiçoTRANSCRIPT
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Appendix
Appendix
2332D DRAWINGS & 3D MODELS
www.WINSMITH.com2D DRAWINGS & 3D MODELS
www.WINSMITH.com
Service Factor SectionApplication service factors are used to adjust the SE Encore selection process to compensate for variousloads that may be applied to the worm gear reducerduring normal operation. Service factors are appliedonly to the mechanical rating and not the thermal rating of a worm gear reducer. The charts in this section have been expanded to include typical powertransmission applications and their normal load rating.These charts are per AGMA standards. The ratingssection of this catalog includes gear reducer ratingtables for UNIFORM (1.00) load and service factoredrating tables for MODERATE (1.25) and HEAVY (1.50)shock load applications.
Important TermsAPPLIED HP or TORQUE – This is the actual powerapplied to the input of the worm gear reducer by adrive or motor.
SERVICE FACTOR – Represents the adjustmentneeded in the APPLIED HP or TORQUE to insure theoriginal design life of the SE Encore speed reducer ismaintained in the application.
DESIGN HP or TORQUE – Include the appropriateservice factor that accounts for the conditions underwhich the reducer will be used. Example: 1 HPAPPLIED motor input times 1.25 SERVICE FACTORresults in a 1.25 DESIGN HP.
Load classifications are momentary changes in theapplied load without changing direction or starting and stopping:
UNIFORM LOAD – Recurring shock loads that do notexceed the specified input or prime mover power.
MODERATE SHOCK LOAD – Recurring shock loadsthat do not exceed 125% of the specified input orprime mover power.
HEAVY SHOCK LOAD – Recurring shock loads thatdo not exceed 150% of the specified input or primemover power.
EXTREME SHOCK LOAD – Recurring shock loadsthat do not exceed 175% of the specified input orprime mover power.
UP TO 3HRS. DAY
APPLICATIONSERVICE FACTORS
AGITATORS (Mixers)Pure Liquids – 1.00 1.25Liquids and Solids 1.00 1.25 1.50Liquids–Variable Density 1.00 1.25 1.50
BLOWERSCentrifugal 1.00 1.00 –Lobe 1.00 1.25 1.50Vane – 1.00 1.25
BREWING AND DISTILLINGBottling Machinery – 1.00 1.25Brew Kettles, Continuous Duty – 1.00 1.25Cookers–Continuous Duty – 1.00 1.25Mash Tubs–Continuous Duty – 1.00 1.25Scale Hopper, Frequent Starts 1.00 1.25 1.50
CAN FILLING MACHINES – 1.00 1.25CAR DUMPERS 1.25 1.50 1.75CAR PULLERS 1.00 1.25 1.50CLARIFIERS – 1.00 1.25CLASSIFIERS 1.00 1.25 1.50CLAY WORKING MACHINERY
Brick Press 1.25 1.50 1.75Briquette Machine 1.25 1.50 1.75Pug Mill 1.00 1.25 1.50
COMPACTORS 1.50 1.75 2.00COMPRESSORS
Centrifugal – 1.00 1.25Lobe 1.00 1.25 1.50Reciprocating, Multi-Cylinder 1.00 1.25 1.50Reciprocating, Single-Cylinder 1.25 1.50 1.75
3-10HRS. DAY
OVER 10HRS. DAY
UP TO 3HRS. DAY
APPLICATIONSERVICE FACTORS
3-10HRS. DAY
OVER 10HRS. DAY
CONVEYORS–GENERAL PURPOSEUniformly loaded or fed – 1.00 1.25Not uniformly fed 1.00 1.25 1.50Reciprocating or shaker 1.25 1.50 1.75
CRANESDry Dock
Main Hoist 1.25 1.50 1.75Auxiliary Hoist 1.25 1.50 1.75Boom Hoist 1.25 1.50 1.75Slewing Drive 1.25 1.50 1.75Traction Drive 1.50 1.50 1.50
ContainerMain Hoist Boom Hoist
Contact WinsmithTrolley Drive
(Gantry or Traction Drive) Mill Duty
Main HoistAuxiliary Contact WinsmithBridge and Trolley Travel
Industrial DutyMain 1.00 1.25 1.50Auxiliary
Contact WinsmithBridge and Trolley Travel
CRUSHERStone or Ore 1.50 1.75 2.00
DREDGESCable Reels 1.00 1.25 1.50Conveyors 1.00 1.25 1.50
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Appendix
Appendix
234
2D DRAWINGS & 3D MODELSwww.WINSMITH.com
2D DRAWINGS & 3D MODELSwww.WINSMITH.com
Service Factor Section
UP TO 3HRS. DAY
APPLICATIONSERVICE FACTORS
3-10HRS. DAY
OVER 10HRS. DAY
UP TO 3HRS. DAY
APPLICATIONSERVICE FACTORS
3-10HRS. DAY
OVER 10HRS. DAY
LUMBER INDUSTRY (Continued)Cut-off Saws
Chain 1.50 1.50 1.50Drag 1.50 1.50 1.75
Debarking Drums 1.50 1.50 1.75Feeds
Edger 1.25 1.25 1.50Gang 1.50 1.50 1.50Trimmer 1.25 1.25 1.50
Log Deck 1.50 1.50 1.50Log Hauls–Incline –Well Type 1.50 1.50 1.50Log Turning Devices 1.50 1.50 1.50Planer Feed 1.25 1.25 1.25Planer Tilting Hoists 1.50 1.50 1.50Rolls–Live-off brg.–Roll Cases 1.50 1.50 1.50Sorting Table 1.25 1.25 1.50Tipple Hoist 1.25 1.25 1.50Transfers
Chain 1.50 1.50 1.50Craneway 1.50 1.50 1.50
Tray Drives 1.25 1.25 1.50Veneer Lathe Drives Contact Winsmith
METAL MILLSDraw Bench Carriage and Main Drive 1.00 1.25 1.50Runout Tables, Non-reversing
Group Drives 1.00 1.25 1.50Individual Drives 1.50 1.50 1.75
Reversing 1.50 1.50 1.75Slab Pushers 1.25 1.25 1.50Shears 1.50 1.50 1.75Wire Drawing 1.00 1.25 1.50Wire Winding Machine 1.00 1.25 1.50
METAL STRIP PROCESSING MACHINERYBridles 1.25 1.25 1.50Coilers & Uncoilers 1.00 1.00 1.25Edge Trimmers 1.00 1.25 1.50Flatteners 1.00 1.25 1.50Loopers (Accumulators) 1.00 1.00 1.00Pinch Rolls 1.00 1.25 1.50Scrap Choppers 1.00 1.25 1.50Shears 1.50 1.50 1.75Slitters 1.00 1.25 1.50
MILLS, ROTARY TYPEBall & Rod
Spur Ring Gear 1.50 1.50 1.75Helical Ring Gear 1.50 1.50 1.50Direct Connected 1.50 1.50 1.75
Cement Kilns 1.50 1.50 1.50Dryers & Coolers 1.50 1.50 1.50
MIXERS, CONCRETE 1.00 1.25 1.50PAPER MILLS
Agitator (Mixer) 1.50 1.50 1.50Agitator for Pure Liquors 1.25 1.25 1.25Barking Drums 1.75 1.75 1.75Barkers–Mechanical 1.75 1.75 1.75Beater 1.50 1.50 1.50Breaker Stack 1.25 1.25 1.25Calender (anti-friction bearings only) 1.25 1.25 1.25Chipper 1.75 1.75 1.75
DREDGES (Continued)Cutter Head Drives 1.25 1.50 1.75Pumps 1.00 1.25 1.50Screen Drives 1.25 1.50 1.75Stackers 1.00 1.25 1.50Winches 1.00 1.25 1.50
ELEVATORSBucket 1.00 1.25 1.50Centrifugal Discharge – 1.00 1.25Escalators
Contact WinsmithFreight Gravity Discharge – 1.00 1.25
EXTRUDERSGeneral 1.25 1.25 1.25Plastics
Variable Speed Drive 1.50 1.50 1.50Fixed Speed Drive 1.75 1.75 1.75
Rubber Continuous Screw Operations 1.50 1.50 1.50Intermittent Screw Operations 1.75 1.75 1.75
FANSCentrifugal – 1.00 1.25Cooling Towers Contact WinsmithForced Draft 1.25 1.25 1.25Induced Draft 1.00 1.25 1.50Industrial & Mine 1.00 1.25 1.50
FEEDERSApron – 1.25 1.50Belt 1.00 1.25 1.50Disc – 1.00 1.25Reciprocating 1.25 1.50 1.75Screw 1.00 1.25 1.50
FOOD INDUSTRYCereal Cooker – 1.00 1.25Dough Mixer 1.00 1.25 1.50Meat Grinders 1.00 1.25 1.50Slicers 1.00 1.25 1.50
GENERATORS AND EXCITERSHAMMER MILLS HOISTS
Heavy Duty 1.25 1.50 1.75Medium Duty 1.00 1.25 1.50Skip Hoist 1.00 1.25 1.50
LAUNDRY TUMBLERS LAUNDRY WASHERS LUMBER INDUSTRY
BarkersSpindle Feet 1.25 1.25 1.50Main Drive 1.50 1.50 1.50
ConveyorsBurner 1.25 1.25 1.50Main or Heavy Duty 1.50 1.50 1.50Main Log 1.50 1.50 1.75Re-Saw, Merry-Go-Round 1.25 1.25 1.50Slab 1.50 1.50 1.75Transfer 1.25 1.25 1.50
ChainsFloor 1.50 1.50 1.50Green 1.50 1.50 1.50
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Appendix
Appendix
2352D DRAWINGS & 3D MODELS
www.WINSMITH.com2D DRAWINGS & 3D MODELS
www.WINSMITH.com
Service Factor Section
UP TO 3HRS. DAY
APPLICATIONSERVICE FACTORS
PAPER MILLS (Continued)Chip Feeder 1.50 1.50 1.50Coating Rolls 1.25 1.25 1.25Conveyors
Chip, Bark, Chemical 1.25 1.25 1.25Log (including Slab) 1.75 1.75 1.75
Couch Rolls 1.25 1.25 1.25Cutter 1.75 1.75 1.75Cylinder Molds 1.25 1.25 1.25Dryers (anti-friction bearings only)
Paper Machine 1.25 1.25 1.25Conveyor Type 1.25 1.25 1.25
Embosser 1.25 1.25 1.25Extruder 1.50 1.50 1.50Fourdriner Rolls (Includes Lumpbreaker, dandy roll, wire turning, and return rolls) 1.25 1.25 1.25Jordan 1.25 1.25 1.25Kiln Drive 1.50 1.50 1.50Mt. Hope Rolls 1.25 1.25 1.25Paper Rolls 1.25 1.25 1.25Platter 1.50 1.50 1.50Presses–Felt & Suction 1.25 1.25 1.25Pulper 1.50 1.50 1.75Pumps–Vacuum 1.50 1.50 1.50Reel (Surface Type) 1.25 1.25 1.50Screens
Chip 1.50 1.50 1.50Rotary 1.50 1.50 1.50Vibrating 1.75 1.75 1.75
Size Press 1.25 1.25 1.25Thickener (AC Motor) 1.50 1.50 1.50
(DC Motor) 1.25 1.25 1.25Washer (AC Motor) 1.50 1.50 1.50
(DC Motor) 1.25 1.25 1.25Wind & Unwind Stand 1.00 1.00 1.00Winders (Surface Type) 1.25 1.25 1.25Yankee Dryers (anti-friction bearings only) 1.25 1.25 1.25
PLASTICS INDUSTRY–PRIMARY PROCESSINGIntensive Internal Mixers
Batch Mixers 1.75 1.75 1.75Continuous Mixers 1.50 1.50 1.50
Batch Drop Mill–2 smooth rolls 1.25 1.25 1.25Continuous Feed, Holding & Blend Mill 1.25 1.25 1.25Compounding Mills 1.25 1.25 1.25Calenders 1.50 1.50 1.50
PLASTICS INDUSTRY–SECONDARY PROCESSINGBlow Molders 1.50 1.50 1.50Coating 1.25 1.25 1.25Film1.25 1.25 1.25 -Pipe 1.25 1.25 1.25Pre-plasticizers 1.50 1.50 1.50Rods 1.25 1.25 1.25Sheet 1.25 1.25 1.25Tubing 1.25 1.25 1.50
PULLERS–BARGE HAUL 1.00 1.50 1.75PUMPS
Centrifugal – 1.00 1.25Proportioning 1.00 1.25 1.50
3-10HRS. DAY
OVER 10HRS. DAY
UP TO 3HRS. DAY
APPLICATIONSERVICE FACTORS
PUMPS (Continued)Recriprocating
Single Acting, 3 or more cylinders 1.00 1.25 1.50Double Acting, 2 or more cylinders 1.00 1.25 1.50
RotaryGear Type – 1.00 1.25Lobe – 1.00 1.25Vane – 1.00 1.25
RUBBER INDUSTRYIntensive Internal Mixers
Batch Mixers 1.50 1.75 1.75Continuous Mixers 1.25 1.50 1.50
Mixing Mill–2 smooth rolls–(If corrugatedrolls are used, then use the same servicefactors that are used for a Cracker Warmer.) 1.50 1.50 1.50Batch Drop Mill –2 smooth rolls 1.50 1.50 1.50Cracker Warmer–2 roll; 1 corrugated roll 1.75 1.75 1.75Cracker Warmer–2 corrugated rolls 1.75 1.75 1.75Holding, Feed & Blend Mill –2 rolls 1.25 1.25 1.25Refiner–2 rolls 1.50 1.50 1.50Calenders 1.50 1.50 1.50
SAND MILLER SEWAGE DISPOSAL EQUIPMENT
Bar Screens – 1.00 1.25Chemical Feeders – 1.00 1.25Dewatering Screens 1.00 1.25 1.50Scum Breakers 1.00 1.25 1.50Slow or Rapid Mixers 1.00 1.25 1.50Sludge Collectors 1.00 1.00 1.25Thickeners 1.00 1.25 1.50Vacuum Filters 1.00 1.25 1.50
SCREENSAir Washing – 1.00 1.25Rotary-Stone or Gravel 1.00 1.25 1.50Traveling Water Intake – 1.00 1.25
SUGAR INDUSTRYBeet Slicer 1.50 1.50 1.75Cane Knives 1.50 1.50 1.50Crushers 1.50 1.50 1.50Mills low speed end 1.50 1.50 1.50
TEXTILE INDUSTRYBatchers 1.00 1.25 1.50Calenders 1.00 1.25 1.50Cards 1.00 1.25 1.50Dry Cans 1.00 1.25 1.50Dryers 1.00 1.25 1.50Dyeing Machinery 1.00 1.25 1.50Looms 1.00 1.25 1.50Mangles 1.00 1.25 1.50Nappers 1.00 1.25 1.50Pads 1.00 1.25 1.50Slashers 1.00 1.25 1.50Soapers 1.00 1.25 1.50Spinners 1.00 1.25 1.50Tenter Frames 1.00 1.25 1.50Washers 1.00 1.25 1.50Winders 1.00 1.25 1.50
3-10HRS. DAY
OVER 10HRS. DAY
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Appendix
Appendix
236
2D DRAWINGS & 3D MODELSwww.WINSMITH.com
2D DRAWINGS & 3D MODELSwww.WINSMITH.com
Service Factor SectionMomentary Overloads And Frequent Starts And StopsNormal starting , or occasional momentary peak loadsup to 300% of catalog rating at 1750 RPM (maximumof 2 seconds each occurrence) and that occur two orthree times per day are permissible when using a servicefactor of 1.0. If either of these values is exceeded, aservice factor of 1.5 should be used. Heavy startingloads may be encountered when the output shaft ofthe reducer is directly coupled to larger gears or heavymasses. In these cases, a service factor of 2.0 shouldbe used. Reversing drives and those subjected toquickly repeated shock loads of unusual or unpredictableintensity and stalling loads, drives that are overrunning,or that “wind up’’ due to quick power stoppage andstorage of energy are not covered by the service factorsabove. In these cases, a service factor of at least 3.0 is
CONVERSION TABLE
1.00 1.50 1.25
1.25 1.75 1.50
1.50 2.00 1.75
1.75 2.25 2.00
2.00 2.50 2.25
To Find Equivalent Service Factor When Using Single or Multi-Cylinder Engines.
For Hydraulic or ElectricMotor Service Factor of:
Use this Service Factor forSingle Cylinder Engines
Use this Service Factor forMulti-Cylinder Engines
AGMA SERVICE FACTOR CHART BASED ON LOAD CLASSIFICATIONDriven Machine Load Classifications
Prime Mover Duration of Service Per Day Uniform Moderate Shock Heavy Shock Extreme Shock
Electric and Occasional 1/2 hour 1.00 1.00 1.00 1.25
Hydraulic Motors Less than 3 hours 1.00 1.00 1.25 1.50
(See above chart for 3-10 hours 1.00 1.25 1.50 1.75
internal combustion engines) Over 10 hours 1.25 1.50 1.75 2.00
FOLLOWING SERVICE FACTORS APPLY FOR APPLICATIONS INVOLVING FREQUENT STARTS AND STOPSDriven Machine Load Classifications
Prime Mover Duration of Service Per Day Uniform Moderate Shock Heavy Shock Extreme Shock
Electric and Occasional 1/2 hour 1.00 1.00 1.25 1.50
Hydraulic Less than 3 hours 1.00 1.25 1.50 1.75
Motors 3-10 hours 1.25 1.50 1.75 2.00
Over 10 hours 1.50 1.75 2.00 2.25
recommended. Applications with frequent starts andstops should be evaluated using Winsmith’s Full Duty Cycle selection method that is detailed in theMotion Control Products catalog, available atwww.WINSMITH.com.