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Syntron® Heavy-Duty Electromagnetic FeedersBulk material feeding with full-range control.

Syntron® Heavy-Duty Electro-magnetic Feeders come in tendifferent models with capacitiesranging from 25 to 1600 tons perhour.* These versatile feeders arecapable of handling a variety ofmaterials from the finest powders to large, coarse particles.

Syntron ElectromagneticFeeders can be supplied in variousconfigurations including multiple-drive units and above-deck driveunits. Above-deck drive units arerecommended where there is insuf-ficient space below the trough.

Syntron ElectromagneticFeeders require minimal main-tenance as there are no mechanicalparts to wear out, such as cams,eccentrics, belts and bearings —thus eliminating the need forlubrication. All movement is con-fined to the heavy-duty leafsprings. Electrical components,such as the coil, will provide yearsof service under normal operatingconditions. Dust-tight drive unitsare standard on all models.

Dependable, flexible controlsprovide easily adjustable feed rateswith instantaneous response. Avariety of controls with specialcontrol arrangements are available.(For more information on electro-magnetic feeder controls, see pages14 and 15.)

Electromagnetic Feeder Features

■ Dust-tight and maintenance-free drive units

■ Above- or below-deck drive units

■ Two-mass, spring-connected, sub-resonant tuned

■ High frequency - 3600 VPM at 60Hz

■ Stroke - 0.060 inches

■ Stroke generated by creating a magnetic field

■ Suspension mount, base mount or combination of both

■ Bolt-in replacement trough liners

■ Multiple-drive unit feeders available

Syntron® F-450 Electromagnetic Feeders feed sand in a glassfactory.

Syntron® electromagnetic feeders

* Based on dry sand weighing 100 pounds per cubic foot. Capacities vary depending on drive unit location, material characteris-tics, material density, trough length and width, trough liner type, feeder installation, skirt boards and hopper transitions.

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Material Handling Solutions

Syntron® ElectromagneticFeeders are normally installedby suspension mountingwith four flexible wire ropecables. They can also be sup-plied for base mounting on asolid base, or with a combi-nation of base mounting andsuspension mounting.

Syntron Electromagnetic Feeders are ideal for use in a stationary opera-tion such as a tunnel system from a surge pile. They are usually con-trolled from a remote point to provide the desired feed rate. In this appli-cation, a model FH-22 feeds limestone to a belt conveyor.

Syntron® F-380 Electromagnetic Feeder withabove-deck drive unit evenly distributes parts at aconsistent rate to a heat treatment furnace.

Feeding gypsum with Syntron model F-380Electromagnetic Feeder.

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Syntron® electromagnetic feeders, cont’d.

Sub-Resonant Tuning for Electromagnetic Feeders

Low sub-resonant tuning is thekey characteristic of Syntron®electromagnetic feeders, makingthem the most stable and consistentfeeders available on the market.

Feeder tuning involves adjust-ment of the natural frequency ofthe feeder in relationship to itsoperating frequency. If the operat-ing frequency is greater than thenatural frequency, the feeder issuper-resonant tuned, making itvery unstable under headload.Conversely, if the natural frequencyis greater than the operating fre-quency, the feeder is sub-resonanttuned, making it more consistentand stable under headload.

Electromagnetic feeders aretuned through careful calculationof the number and thickness ofthe special leaf springs required toaccomplish the desired tuning ratio.

Regardless of manufacturer, all heavy-duty, two-mass electro-magnetic vibrating feeders are sub-resonant tuned. For sub-resonanttuned feeders, the distance fromresonance is critical to feeder per-formance. Most manufacturerstune their feeders closer to reso-nance, while Syntron electromag-netic feeders are tuned furtherfrom resonance.

The operating frequency of all Syntron® Heavy-Duty ElectromagneticFeeders is checked at our test stations before shipment.

Material damping and othervariations in headload cause fluc-tuations in capacity and feed ratesof all sub-resonant tuned feeders.Because Syntron electromagneticfeeders are tuned further from res-onance, capacity and feed ratesremain more stable and consistenteven when the feeder is subjectedto material damping and othervariations in headload.

This is why Syntron electro-magnetic Feeders are the best solu-tion for rugged material handlingapplications.

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Model FH-22

Model FH-24

Many other trough sizes are available. Capacities vary depending on drive unit location, material characteristics, material density, trough length and width,trough liner type, feeder installation, skirt boards and hopper transitions. Cad drawings are available. Please call FMC Technologies for expert help with yourapplication.

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in 12 60 5 6 1/2 66 1/2 23 17 1/2 16 1/2 21 1/2 8 1/4 47 3/4 10 1/2 18 3/4 19 3/4mm 305 1524 127 165 1689 584 445 419 546 210 1213 267 476 502

in 18 42 5 15 5/16 57 5/16 26 3/4 17 1/2 18 23 8 5/16 40 9 24 3/4 19 3/4mm 457 1067 127 389 1456 679 445 457 584 211 1016 229 629 502

in 24 42 5 15 5/16 57 5/16 32 3/4 17 1/2 18 23 8 5/16 40 9 30 3/4 19 3/4mm 610 1067 127 389 1456 832 445 457 584 211 1016 229 781 502


in 18 60 5 6 5/16 66 5/16 28 19 5/8 18 23 8 5/16 47 1/2 10 1/2 24 3/4 24 3/4mm 457 1524 127 160 1684 711 498 457 584 211 1207 267 629 629

in 24 48 5 12 5/16 60 5/16 32 3/4 19 1/4 18 23 8 5/16 41 7/8 10 1/8 30 3/4 19 3/4mm 610 1219 127 313 1532 832 489 457 584 211 1064 257 781 502

in 30 36 5 8 5/16 54 5/16 38 3/4 19 1/4 18 23 8 5/16 37 9 36 3/4 19 3/4mm 610 914 127 135 1380 984 489 457 584 211 940 229 933 502

◆ Based on feeder with 10˚ down slope, below-deck drive unit, installed withproper hopper transition and skirt board arrangement, feeding dry sandweighing 100 pounds per cubic foot.

230/460/575 Volt 60 Hz Single-Phase. 230/380/415 Volt 50 Hz Single-Phase.Above-deck drive units are available. Base mounting is available.

Trough Approx. Approx. Approx.Width and Capacity Current Control Net Ship Wt. (lb)Length tph ◆ (460 V) Model Wt. (lb) Feeder/Control

12 x 60 45 5 Amps CRSDC-2C 460 600

18 x 42 110 5 Amps CRSDC-2C 460 600

24 x 42 150 5 Amps CRSDC-2C 460 600



Electromagnetic Feeder Specifications

Please request a certified drawing for installation.



18 x 60 110 7 Amps CRSDC-2C 580 72024 x 48 150 7 Amps CRSDC-2C 580 72030 x 36 200 7 Amps CRSDC-2C 580 720

epolar

12 x 60 45 5 Amps CRSDC-2C 460 600 18 x 42 110 5 Amps CRSDC-2C 460 600 24 x 42 150 5 Amps CRSDC-2C 460 600

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Electromagnetic Feeder Specifications, cont’d.

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Model F-330

Model F-380

Many other trough sizes are available. Capacities vary depending on drive unit location, material characteristics, material density, trough length and width,trough liner type, feeder installation, skirt boards and hopper transitions. Cad drawings are available. Please call FMC Technologies for expert help with yourapplication.


in 24 54 6 21 1/16 75 1/16 35 7/8 22 1/2 21 27 12 15/16 50 5/8 11 1/2 32 5/8 24 3/4mm 610 1372 152 535 1907 911 572 533 686 329 1286 292 829 629

in 30 48 6 24 1/8 72 1/8 417/8 22 1/2 21 27 13 50 5/8 8 1/2 38 5/8 24 3/4mm 762 1219 152 613 1832 1064 572 533 686 330 1286 216 981 629


in 24 60 6 18 1/8 781/8 35 7/8 23 1/4 22 3/4 28 3/4 12 7/8 50 3/4 14 1/2 32 5/8 32mm 610 1524 152 460 1984 911 591 578 730 327 1289 368 829 813

in 30 60 6 18 1/8 78 1/8 41 7/8 23 1/4 22 3/4 28 3/4 12 7/8 50 3/4 14 1/2 38 5/8 36mm 762 1524 152 460 1984 1064 591 578 730 327 1289 368 981 91

in 36 48 6 24 1/8 721/8 47 7/8 23 1/4 22 3/4 28 3/4 12 7/8 50 3/4 81/2 44 5/8 26 1/4mm 914 1219 152 613 1832 1016 591 578 730 327 1289 216 1133 666








24 x 54 180 13 Amps CRSDC-2C 960 105030 x 48 270 13 Amps CRSDC-2C 960 1050


24 x 60 180 18 Amps CRSDC-2C 960 140030 X 60 300 18 Amps CRSDC-2C 960 140036 x 48 350 18 Amps CRSDC-2C 960 1400


in 36 72 7 26 3/16 98 3/16 47 5/8 33 29 3/8 36 3/8 17 7/16 59 7/8 20 7/8 44 5/8 37 3/4mm 914 1829 178 665 2494 1210 838 746 924 443 1521 530 1133 959

in 42 60 7 32 3/16 92 3/16 53 21/32 33 29 11/32 36 11/32 17 7/16 59 13/16 14 15/16 50 21/32 37 3/4mm 1067 1524 178 818 2342 1363 838 745 923 443 1519 379 1287 959

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Model F-440

Model F-450

Many other trough sizes are available. Capacities vary depending on drive unit location, material characteristics, material density, trough length and width,trough liner type, feeder installation, skirt boards and hopper transitions. Cad drawings are available. Please call FMC Technologies for expert help withyour application.


in 30 72 7 26 3/16 98 3/16 43 1/2 33 27 3/4 34 3/4 17 3/16 59 9/16 21 7/16 40 1/4 37 3/4mm 762 1829 178 665 2494 1105 838 705 883 437 1513 545 1022 959

in 36 60 7 32 3/16 92 3/16 49 1/2 33 28 1/4 35 1/4 17 3/16 59 9/16 15 7/16 46 1/4 37 3/4mm 914 1524 178 818 2342 1257 838 718 895 437 1513 385 1175 959








30 X 72 300 20 Amps CRSDC-2C 2300 245036 X 60 350 20 Amps CRSDC-2C 2300 2450


36 X 72 350 25 Amps CRSDC-2C 3150 330042 X 60 550 25 Amps CRSDC-2C 3150 3300

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Electromagnetic Feeder Specifications, cont’d.

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Model F-480

Model F-560



in 42 84 7 23 15/16 107 15/16 54 3/8 33 30 11/16 37 11/16 17 7/16 71 1/2 19 50 3/4 51mm 1067 2134 178 608 2742 1381 838 779 957 443 1816 483 1289 1295

in 48 72 7 28 1/16 100 1/16 60 3/8 33 27 13/16 34 13/16 17 1/2 61 5/8 21 56 3/4 57mm 1219 1829 178 713 2542 1534 838 706 884 445 1565 533 1441 1448


in 54 72 8 48 3/8 120 3/8 66 3/4 51 1/2 35 1/2 43 1/2 21 3/8 80 19 63 63 1/2mm 1372 1829 203 1229 3058 1695 1308 902 1105 543 2032 483 1600 1613


460/575 Volt 60 Hz Single-Phase. 380/415 Volt 50 Hz Single-Phase.Above-deck drive units are available. Base mounting is available.






42 X 84 550 31.5 Amps CRSDC-2C 4100 430048 X 72 700 31.5 Amps CRSDC-2C 4100 4300


54 X 72 800 27 Amps CRSDC-2C 7000 7400

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Model F-660

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Model F-88


in 60 90 8 40 130 72 1/2 51 1/2 39 1/2 47 1/2 21 1/2 96 15 1/2 69 63 1/2mm 1524 2286 203 1016 3302 1842 1308 1003 1207 546 2438 394 1753 1613


in 72 96 8 49 9/16 145 9/16 87 51 1/2 40 3/32 48 3/32 22 3/4 103 9/16 19 1/4 82 63 1/2mm 1829 2438 203 1259 3697 2210 1308 1018 1222 578 2630 489 2083 1613

◆ Based on feeder with 10˚ down slope, below-deck drive unit, installedwith proper hopper transition and skirt board arrangement, feeding drysand weighing 100 pounds per cubic foot.



◆ Based on feeder with 10˚ down slope, below-deck drive unit, installedwith proper hopper transition and skirt board arrangement, feeding drysand weighing 100 pounds per cubic foot.




60 X 90 1000 31.5 Amps CRSDC-2C 8000 8400


72 X 96 1600 70 Amps CRSDC-3C 11400 12000


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Electromagnetic Feeder Troughs

Syntron® Electromagnetic Feeder models FH-22 through F-88 can be fur-nished with standard flat-bottom troughs, special flat-bottom troughs or belt-centering discharge troughs.

Drive units can be positioned either above or below the trough. A below-deck drive unit is most commonly used, but above-deck drive units can be supplied for installations where there is insufficient space below the trough.However, an above-deck drive unit may reduce feeder capacity slightly.

Capacities for feeder models with standard troughs are based on dry sandweighing 100 pounds per cubic foot. Capacities vary depending on drive unitlocation, material characteristics, material density, trough length and width,trough liner type, feeder installation, skirt boards and hopper transitions.

Several trough options are available for special applications. Syntron® extra- long feeder troughs can be supplied with either below-deck or above-deck multiple electromagnetic drive units. Extra-long feeder troughs providemany advantages in conveying materials over long distances; unlike belt con-veyors, there are no idlers or pulley drive units to wear, lubricate, or replace.Long tubular troughs can convey pure, clean materials without atmosphericcontamination and safely convey dusty, poisonous materials without endanger-ing processing personnel.

Other trough options include:

• Syntron vibrating inspection tables feed material forward at a smooth,controlled rate of flow. This enables an operator to remove material that does not meet specification.

• Syntron “spreader” feeders spread a wide, even layer of material with a diagonal discharge trough or diagonal-slotted trough.

• Electrically heated trough liner plates minimize accumulation of damp orwet materials in feeder troughs. Available only on specially designed feed-ers, heated liner plates increase feeder efficiency by eliminating the down-time required to clean troughs. They are especially effective for materialswith moisture contents ranging from five to fifteen percent. The electricheating element is insulated and sandwiched between two steel plates.

Standard flat-bottom trough,below-deck drive unit.

Tubular trough, below-deckdrive unit.

Flat bottom trough, above-deck drive unit.

Diagonal discharge spreader feeder.

Other Trough Options Include:

■ Covered Trough with Dust Seals

■ Open Trough with Dust Seals

■ Screening Feeders

■ Diagonal Discharge Trough

■ Belt-Centering Discharge Trough

Trough Liner Options Include:

■ T-1A

■ AR-400

■ AR-500

■ Stainless Steel

■ UHMW Plastic

■ Rubber

■ Ceramic

■ Carbide Overlay

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An eight-foot wide by twenty-four inch long troughpowered by four Syntron F-330 electromagneticdrive units.

Electromagnetic drive units with tubular trough.

Sixteen foot, triple drive unit Syntron® F-440Electromagnetic Feeder conveyor.

Syntron F-560 Electromagnetic Feeder withtwo drive units.

Syntron® Electromagnetic drive units can be combined to create feeders ideally suited for specialapplications.

Multiple-drive units, positioned one behind theother, result in a long, vibrating conveyor. When anespecially wide material layer is desired, multiple-driveunits can be placed side by side on extra wide feedertroughs. The number of drive units required is deter-mined by the trough width and length.

Dual-twin drive units — two sets of twin driveunits, one set placed behind the other — provide bothincreased capacity and the ability to handle exception-ally heavy loads.

The material flow rate of all multiple-drive unitmodels can be easily regulated. A special control per-mits adjustment of all drive units simultaneously tocontrol the flow rate of the entire feeder.

Trough

SingleDrive Unit

Trough

DualDrive Units

Trough

TwinDrive Units

Trough

Dual TwinDrive Units

A selection of some of the available multiple-driveunit configurations.

Multiple-Drive Unit Electromagnetic Feeders

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