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The The silentsilent conveyingconveying solutionsolution forfor combine combine feederfeeder houseshouses
Feeder house chains – state of the art (I)
The feeder house delivers crop material from the header of the cThe feeder house delivers crop material from the header of the combine into the ombine into the threshing area. The material collected over the large width of tthreshing area. The material collected over the large width of the header needs he header needs to be reliably channeled through the narrow feeder house betweento be reliably channeled through the narrow feeder house between the front the front tires of the combine.tires of the combine.
Feeder house chains – state of the art (II)
State of the art all steel roller chain with cross bars/slats acState of the art all steel roller chain with cross bars/slats accelerates the crop material and the celerates the crop material and the surrounding air to high velocity and conveys it into the threshisurrounding air to high velocity and conveys it into the threshing area. ng area.
The commonly occurring asymmetric and fluctuating loading with cThe commonly occurring asymmetric and fluctuating loading with crop material, the picking up rop material, the picking up of foreign matter, large objects/rocks, dust, dirt and weed causof foreign matter, large objects/rocks, dust, dirt and weed causes constant warping and es constant warping and cocking of the chain. In conjunction with the cocking of the chain. In conjunction with the very high chain speedvery high chain speed a tremendous load is put a tremendous load is put onto the chain. Subsequently, the inflexible all steel chain andonto the chain. Subsequently, the inflexible all steel chain and its drive components inevitably its drive components inevitably wear quickly and excessively .wear quickly and excessively .
Constant care, monitoring and adjustments of the chain are requiConstant care, monitoring and adjustments of the chain are required by the operator to red by the operator to ensure efficient operation. Otherwise unplanned downtime and cosensure efficient operation. Otherwise unplanned downtime and costly intly in--field break downs will field break downs will occur.occur.
The useful life of the current systems are therefore limited. SuThe useful life of the current systems are therefore limited. Such systems have ch systems have been in use over decades in combines with only minor improvementbeen in use over decades in combines with only minor improvements.s.
Feeder house chains – state of the art (III)
General characteristics of conventional roller chainGeneral characteristics of conventional roller chain
•• Rigid, inflexible all steel conveyor systemRigid, inflexible all steel conveyor system•• Regular reRegular re--tensioning requiredtensioning required•• Constant monitoring of the system requiredConstant monitoring of the system required•• Limited longevity Limited longevity •• One of the main sources of high noise emissions of aOne of the main sources of high noise emissions of a
combinecombine•• Noise source located directly under the Noise source located directly under the driverdriver´́ss cabincabin•• Little tolerance in correctly adjusting/tensioning the chainLittle tolerance in correctly adjusting/tensioning the chain
Typical areas of concern caused by wearing areTypical areas of concern caused by wearing are
•• Increasing noise levelsIncreasing noise levels•• Chain jumping on sprocket teeth Chain jumping on sprocket teeth •• Excessive sprocket wear Excessive sprocket wear •• Reduced harvesting speed Reduced harvesting speed •• Premature threshing Premature threshing •• Grain damageGrain damage•• Feeder house plugging Feeder house plugging •• Risk of instantaneous failure causing costly inRisk of instantaneous failure causing costly in--field break downsfield break downs
BroekemaBroekema now offers a solution that eliminates these problems.now offers a solution that eliminates these problems.
SilentiumSilentium DriveDrive -- the innovative feeder house conveying solutionthe innovative feeder house conveying solution
Silentium Drive Concept
The Silentium Drive system is based on rubber traction belting tThe Silentium Drive system is based on rubber traction belting that replaces the steel roller chain.hat replaces the steel roller chain.
The belting is made either truly endless or with a special joiniThe belting is made either truly endless or with a special joining method.ng method.
The mounting bolts for the slats are vulcanized into the belt foThe mounting bolts for the slats are vulcanized into the belt for an optimal connection between belt r an optimal connection between belt and slat.and slat.
The drive system used in the Silentium Drive is the Broekema NThe drive system used in the Silentium Drive is the Broekema N--type which drives the belts in the type which drives the belts in the cam.cam.
The return roller is modified to accept flanges thatThe return roller is modified to accept flanges thatinsure proper belt tracking.insure proper belt tracking.
Any major brand combine companies can Any major brand combine companies can be easily converted to be easily converted to SilentiumSilentium Drive.Drive.Only a few components need Only a few components need to to beeitherbeeither replaced or replaced or modified.modified.
Parabolic rubber traction beltingParabolic rubber traction beltingforfor forcedforced camcam drivendriven systemsystem
Cam drive sprocketsCam drive sprocketsBroekema NBroekema N--typetype
Return side either as drum or Return side either as drum or with separate rollerswith separate rollers
Different options for slats:Different options for slats:U shape, T shape, cast, spring steel U shape, T shape, cast, spring steel
Silentium Drive Concept
The Silentium Drive system is based on rubber traction belting tThe Silentium Drive system is based on rubber traction belting that replaces the steel roller chain.hat replaces the steel roller chain.
The belting is made either truly endless or with a special joiniThe belting is made either truly endless or with a special joining method.ng method.
The mounting bolts for the slats are vulcanized into the belt foThe mounting bolts for the slats are vulcanized into the belt for an optimal connection between belt r an optimal connection between belt and slat.and slat.
The drive system used in the Silentium Drive is the Broekema NThe drive system used in the Silentium Drive is the Broekema N--type which drives the belts in the type which drives the belts in the cam.cam.
The return roller is modified to accept flanges thatThe return roller is modified to accept flanges thatinsure proper belt tracking.insure proper belt tracking.
Any major brand combine companies can Any major brand combine companies can be easily converted to be easily converted to SilentiumSilentium Drive.Drive.Only a few components need Only a few components need to to beeitherbeeither replaced or replaced or modified.modified.
Parabolic rubber traction beltingParabolic rubber traction beltingforfor forcedforced camcam drivendriven systemsystem
Cam drive sprocketsCam drive sprocketsBroekema NBroekema N--typetype
Return side either as drum or Return side either as drum or with separate rollerswith separate rollers
Different options for slats:Different options for slats:U shape, T shape, cast, spring steel U shape, T shape, cast, spring steel
Silentium Drive Characteristics
General characteristics of General characteristics of SilentiumSilentium DriveDrive
•• Very smooth conveying actionVery smooth conveying action•• Low noise level due to elimination of metal to metal Low noise level due to elimination of metal to metal
contact of moving partscontact of moving parts•• One of the main sources of noise under the One of the main sources of noise under the driverdriver´́ss
cabin is eliminatedcabin is eliminated•• UltraUltra--high dynamic strength parabolic traction beltinghigh dynamic strength parabolic traction belting•• Manufactured by a specialist rubber company with Manufactured by a specialist rubber company with
decades of experience in crop conveyor beltsdecades of experience in crop conveyor belts•• All common brand combines can generally be All common brand combines can generally be
converted to converted to SilentiumSilentium DriveDrive
Value added by Value added by SilentiumSilentium DriveDrive
•• Very little wear due to elimination of metal to metal contacts oVery little wear due to elimination of metal to metal contacts of moving parts and constant tensionf moving parts and constant tension•• Higher chain speed and increased conveying capacityHigher chain speed and increased conveying capacity•• Increased longevity to be expectedIncreased longevity to be expected•• After initial setting only minimum reAfter initial setting only minimum re--tensioning required over lifetimetensioning required over lifetime•• After initial tensioning chain jumping on sprocket teeth eliminaAfter initial tensioning chain jumping on sprocket teeth eliminatedted•• Minimum wear on sprocketMinimum wear on sprocket•• Much higher MTBF & reliability to be expectedMuch higher MTBF & reliability to be expected•• Minimal risk of instantaneous failureMinimal risk of instantaneous failure•• Lower cost per Lower cost per hectarhectar/acre on the feeder house/acre on the feeder house•• Worry free systemWorry free system
Project phase 1: Development of the beltingmaterials
Developing Developing SilentiumSilentium Drive started with Drive started with inin--house formulation and specification of house formulation and specification of the basic belting materials: rubber & the basic belting materials: rubber & heavy fabricheavy fabric
Their unique properties were especially Their unique properties were especially tailored for the feeder house application tailored for the feeder house application by by BroekemaBroekema´́ss sister company Artemis sister company Artemis KautschukKautschuk-- und und KunststoffKunststoff--TechnikTechnik in in Hannover, Germany.Hannover, Germany.
Subsequently Artemis developed Subsequently Artemis developed proprietary manufacturing technologies proprietary manufacturing technologies for the parabolic traction belting for the parabolic traction belting including a specialized endless wrapping including a specialized endless wrapping & vulcanization process.& vulcanization process.
Positive test bench results indicated excellent suitability for Positive test bench results indicated excellent suitability for the feeder house of a the feeder house of a combine. The high longevity on the test bench was achieved withocombine. The high longevity on the test bench was achieved without reut re--tensioning of the tensioning of the belting. belting.
Project phase 2: analysis of current feederhouse designs & development of conversion kits
To prove the concept in practice, feeder houses from To prove the concept in practice, feeder houses from two different German combine manufacturers were two different German combine manufacturers were partially redesigned and adapted to partially redesigned and adapted to SilentiumSilentium Drive Drive for the 2009 and 2010 harvesting season.for the 2009 and 2010 harvesting season.
Design modifications are minimal and comprised Design modifications are minimal and comprised mainly of slight modifications to the frame and its mainly of slight modifications to the frame and its cross members as well as new or modified return cross members as well as new or modified return drums, new Broekema Ndrums, new Broekema N--type drive wheels and the type drive wheels and the new traction belting.new traction belting.
First field test results confirmed the advantages of First field test results confirmed the advantages of SilentiumSilentium Drive and yielded a very smooth and Drive and yielded a very smooth and reliable operation.reliable operation.
Project phase 3: broadening the field tests
Diamond J Farms, Inc (USA)Diamond J Farms, Inc (USA)John Deere 9760John Deere 9760
LohnunternehmenLohnunternehmenScholten Scholten
((GermanyGermany))ClaasClaas LexionLexion 580580ClaasClaas LexionLexion 450450
Caterpillar 465Caterpillar 465
HytekHytek AG AG solutionssolutions (Canada)(Canada)John Deere 9750John Deere 9750
MDW MDW MMäähdrescherwerkehdrescherwerke GmbHGmbH((GermanyGermany) ) HemasHemas Farmer 220 CS Farmer 220 CS
After the first successful field tests more feeder houses After the first successful field tests more feeder houses of CLAASof CLAAS®®, John Deere, John Deere®® and New Hollandand New Holland®® were were acquired and equipped with the acquired and equipped with the SilentiumSilentium Drive for the Drive for the 2011 harvest.2011 harvest.
These feeder houses are currently being tested by independent coThese feeder houses are currently being tested by independent contractors ntractors worldwide. Their combines are closely monitored in the field.worldwide. Their combines are closely monitored in the field.
Technical support by Broekema and constant feed back by the operTechnical support by Broekema and constant feed back by the operators insure ators insure development completion of development completion of SilentiumSilentium Drive by the end of the year 2011 and Drive by the end of the year 2011 and beginning of marketing in 2012.beginning of marketing in 2012.
Test results (I)
One of the most noticeable improvements of the One of the most noticeable improvements of the Silentium Drive is the noise reduction.Silentium Drive is the noise reduction.
The traditional feeder house equipped with steel The traditional feeder house equipped with steel chain creates a tremendous noise. This noise is chain creates a tremendous noise. This noise is amplified by the box shaped sheet metal amplified by the box shaped sheet metal construction of a feeder house.construction of a feeder house.
With the Silentium Drive system the source of the With the Silentium Drive system the source of the noise is eliminated because the slats no longer noise is eliminated because the slats no longer touch the bottom of the feeder house. No more touch the bottom of the feeder house. No more rattling sounds come from underneath the rattling sounds come from underneath the driverdriver´́sscabin.cabin.
SilentiumSilentium Drive proved to be the smoothest and Drive proved to be the smoothest and most silent feeder house conveying systemmost silent feeder house conveying systemso far.so far.
After 1400 ha in grain & corn all physical proAfter 1400 ha in grain & corn all physical pro--pertiesperties of the rubber traction belting like tensile &of the rubber traction belting like tensile &delaminationdelamination strength as well as elongation & pitch strength as well as elongation & pitch accuracy were still within the original tolerance (as of accuracy were still within the original tolerance (as of August 2011).August 2011).
Test results (II)
The tension of the chain is one of the most critical The tension of the chain is one of the most critical parameters of a feeder house. It is also a source of parameters of a feeder house. It is also a source of frustration for many users. For this reason, over time, a frustration for many users. For this reason, over time, a broad variety of tensioning systems have been broad variety of tensioning systems have been designed and patented for steel chain conveyors.designed and patented for steel chain conveyors.
Because a steel roller chain isnBecause a steel roller chain isn’’t elastic and the pivot t elastic and the pivot point of the return drum isnpoint of the return drum isn’’t in the same axis as the t in the same axis as the drive shaft theredrive shaft there’’s always a bit of chain slack even with s always a bit of chain slack even with all these ingenious tensioning designs.all these ingenious tensioning designs.
The Silentium Drive system uses a customized The Silentium Drive system uses a customized reinforced rubber traction belting that reinforced rubber traction belting that -- compared to compared to steel roller chain strands steel roller chain strands -- is much more lively, resilient is much more lively, resilient and holds tension in itself.and holds tension in itself.
Therefore, Therefore, SilentiumSilentium Drive belts always keep a certain Drive belts always keep a certain level of inherent tension. Little or no relevel of inherent tension. Little or no re-- tensioning is tensioning is needed. The slack is minimized which is also beneficial needed. The slack is minimized which is also beneficial for the product flow. Premature threshing, grain for the product flow. Premature threshing, grain damage, plugging in the feeder house and damage, plugging in the feeder house and instantaneous chain failure are prevented.instantaneous chain failure are prevented.
In case of unfavorable picking up of large foreign In case of unfavorable picking up of large foreign objects, this has a by far less damaging effect thanks to objects, this has a by far less damaging effect thanks to the flexibility of Silent Drive.the flexibility of Silent Drive.
Test results (II)
The tension of the chain is one of the most critical The tension of the chain is one of the most critical parameters of a feeder house. It is also a source of parameters of a feeder house. It is also a source of frustration for many users. For this reason, over time, a frustration for many users. For this reason, over time, a broad variety of tensioning systems have been broad variety of tensioning systems have been designed and patented for steel chain conveyors.designed and patented for steel chain conveyors.
Because a steel roller chain isnBecause a steel roller chain isn’’t elastic and the pivot t elastic and the pivot point of the return drum isnpoint of the return drum isn’’t in the same axis as the t in the same axis as the drive shaft theredrive shaft there’’s always a bit of chain slack even with s always a bit of chain slack even with all these ingenious tensioning designs.all these ingenious tensioning designs.
The Silentium Drive system uses a customized The Silentium Drive system uses a customized reinforced rubber traction belting that reinforced rubber traction belting that -- compared to compared to steel roller chain strands steel roller chain strands -- is much more lively, resilient is much more lively, resilient and holds tension in itself.and holds tension in itself.
Therefore, Therefore, SilentiumSilentium Drive belts always keep a certain Drive belts always keep a certain level of inherent tension. Little or no relevel of inherent tension. Little or no re-- tensioning is tensioning is needed. The slack is minimized which is also beneficial needed. The slack is minimized which is also beneficial for the product flow. Premature threshing, grain for the product flow. Premature threshing, grain damage, plugging in the feeder house and damage, plugging in the feeder house and instantaneous chain failure are prevented.instantaneous chain failure are prevented.
In case of unfavorable picking up of large foreign In case of unfavorable picking up of large foreign objects, this has a by far less damaging effect thanks to objects, this has a by far less damaging effect thanks to the flexibility of Silent Drive.the flexibility of Silent Drive.
Users expectations & comments
Comments from blogs & YouTube on Silentium Drive:Comments from blogs & YouTube on Silentium Drive:
Stew Hughes (Australia):Stew Hughes (Australia): ““You ripper! What a great idea. I would be very interested inYou ripper! What a great idea. I would be very interested inone for my new 740.one for my new 740.””
Kent Kent SlyckSlyck (IL, USA): (IL, USA): ““Very interesting new style feederhouse Very interesting new style feederhouse belts.belts.””
Shawn D. Shawn D. EsterlEsterl (KS, USA)(KS, USA) ““It looks like you have developed a very fine product.It looks like you have developed a very fine product.””
Harold (Germany):Harold (Germany): ““Great system, next year on the Great system, next year on the LexionLexion again either as prototypeagain either as prototypeor as retail.or as retail.””
Contact
EA BROEKEMA B.V.9640 AB P.O. BOX 709641 KV De Zwaaikom 1VeendamHolland
Bert Eising (sales)Arjan Mulder (R&D)Johan Oord (R&D)
Tel.: +31 (0) 598 696464Fax: +31 (0) 598 615537
ARTEMIS Kautschuk- undKunststoff - Technik GmbHRothwiese 430559 HannoverGermany
Dieter Kosuch (sales)Hans-Jürgen Gentz (R&D)
Tel.: +49 (0)511/ 9 59 28-0Fax: +49 (0)511/ 9 59 28-55
Broekema Beltway USA Inc.1108 Holstein Drive NEPine City, MN 55063USA
Wayne Mauch (R&D, general manager)
Tel: (320) 629 3900Fax: (320) 629 4900
WorldWorld GermanyGermany North AmericaNorth AmericaGermanyGermany North AmericaNorth AmericaGermanyGermany North AmericaNorth AmericaGermanyGermany
MemberMember of the Jaeger Group of of the Jaeger Group of CompaniesCompanies
www.broekema.nlwww.broekema.nlwww.artemiswww.artemis--kautschuk.dekautschuk.dewww.jaegergruppe.dewww.jaegergruppe.de
CLAAS®, Caterpillar®, John Deere®, New Holland® und MDW are trademarksor brands of the respective manufacturer. Further trademarks and logos usedin this pamphlet belong to their respective owners. Mentioning these does notimply that these companies are juridically related to Broekema or the Jaeger Group of Companies. The products shown here originate from the Jaeger Group of companies.
CLAAS®, Caterpillar®, John Deere®, New Holland® und MDW are trademarksor brands of the respective manufacturer. Further trademarks and logos usedin this pamphlet belong to their respective owners. Mentioning these does notimply that these companies are juridically related to Broekema or the Jaeger Group of Companies. The products shown here originate from the Jaeger Group of companies.
