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Why Lely?
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Efficient raking has an effect on your wallet!
Proper and efficient raking does not only mean that the mown crop ends up in the swath clean and tidy – it is also a preparation for the next harvesting process. So, raking has a great effect on the speed at which the harvesting machines can pick up the swath and that is something you notice in your wallet at the end of the day! All in all – a double effect!
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Flexible tines – low soil contents
Adjustment of the working height will often depend on the soil and how even the field surface is. In practice, work should be higher on undulating fields with a loose surface than on level fields with firmer conditions.
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Lely Ro-tines for clean forage
Short and rigid tines that are positioned almost straight underneath the tine arm do a good job on level fields, but have trouble in adjusting to a rough terrain. Result: damage to the turf and soil in the pit. The Ro-tines of Hibiscus rakes on the other hand are long, very flexible and positioned behind the tine arm enabling the tines maximum flexibility. These tine properties always guarantee optimum results without contamination of the forage, even in difficult conditions.
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Good forage in the swath good silage
Raking – the last operation before baling, picking up or harvesting – is crucial for the results of the baler, pick-up loader wagon or harvester. To make sure that the machine can pick up the crop precisely (i.e. without loss), the swath width should correspond with the pick-up width of the baler, pick-up loader wagon or harvester. In case of a baler or loader wagon, the space between the tractor wheels also plays a part.
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Easy inflow due to regular swaths
A regular and airy swath ensures proper filling of the cutting rotor or cutting chamber, and hence a good cutting action or forage quality. Badly shaped or irregularities in the swath often cause blockages or loss of output. If the tractor driver cannot rely on the swath, he will never achieve the optimum output of his machine
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The Ro-tine “carries” the grass towards the swath!
The delivery of a clean swath is a primary consideration in the design stage of each new Hibiscus rake. Lely’s engineers are always focusing on optimising the crop movement. Or – to put it another way – on constructing the rake in such a way that the grass is not pressed onto the ground and that any contamination of the crop is reduced to the bare minimum.
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Flexible tines for proper ground contour following
Hibiscus rakes are fitted with four double tines on each tine arm – the 1015 CD Profi has five double tines – to ensure the overlap between the tine arms, in particular when operating at higher speeds. The rake tines are manufactured from durable spring steel with a 9.5 mm diameter or 10 mm in the 1015 CD Profi. The slightly angled tines of the Hibiscus rake are outstandingly strong and flexible. The Hibiscus tine has a special shape, whereby the tine tip is positioned behind the tine arm. This enables the tines to adjust better to ground contours while in addition they do not need to deflect too much when coming up against obstacles such as stones and the like. Combined with the working depth adjustment facility of the rotor wheel assembly, optimum settings can be achieved in all conditions.
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Away from the ground, away from any source of contamination
Unlike straight tines, the Ro-tines do not drag the crop across the ground under a certain pre-tension. Due to the increasing angle of the tine, the crop is lifted from the ground very lightly. This crucial feature reduces backward stresses that are exerted on the tine. Consequently, the tines do not tend to miss the crop, or to contaminate the crop with soil.
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Special tine angle for clean raking
During the design stage it was a clear-cut preference to position the tine angle itself under a 90 degrees angle in relation to the ground. This keeps clods or stones from being thrown up by the tine tip. Due to the combination of these two specific features the Hibiscus rake guarantees clean raking as well as a clean crop.
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It’s all about the rotor
Obviously, the heart of any rake is the rotor and the rotors are therefore decisive for performance and machine life. Lely has merged the main functions of the rake’s rotor – turning, steering and supporting – into three types of rotor, each with its own specific benefits.
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Classic – simple and maintenance-free
The Classic is a compact rotor with 11 tine arms. The main drive features a large transmission ratio so that the tractor’s r.p.m. can be kept within the optimum torque range. The tine arms are held by ball bearings, fitted in an oil-filled chamber in the cam track. The tine arm shafts as well as the main shaft are made from chromium steel, which is 50% stronger than the standard steel that is normally used for shafts. This protects the gearbox in case of an accident.
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Fixed tine arms
A Classic rotor is always fitted with a tine arm made out of one piece, which is mounted on the chromium steel shaft by means of a bolt and a retaining pin. This type of rotor is fitted on machines where removable tines and foldable frames are not necessary because of their compact size, such as the model Hibiscus 725 CD Classic and 655 SD Classic.
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Master – the versatile rotor for exacting conditions
Most of the machines in the Hibiscus range feature this modular rotor with 11 or 13 tine arms. Typical of this rotor are the extra long chromium steel tine arm shafts with their machined profile that the profiled tine arms can be fitted directly into. These quickly removable tine arms are pushed onto the shaft and then secured with the aid of a pin and clip. Every tine arm shaft – including housing and bearing – can be removed by means of three bolts, which reduces loss of time in case of an accident. The tine arm is held by ball bearings, which run in a cam track with durable grease.
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Adjustable cam track
Due to this adjustable cam track the position can be adjusted when the rake tines let go of the crop. This makes it possible to achieve clean raking plus the ideal swath shape both in hay and moist silage. Simple working height adjustment is by means of a chromium steel main shaft with a coarse support thread, which can still be adjusted after many years of operation. The diameter of this main shaft is larger than that of the Classic rotor.
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Profi – the largest rake rotor in the world
With its 4.7 m diameter, the 15-arm Profi is the largest rake rotor on the market place. The Hibiscus model 1015 CD Profi is fitted with two of these rotors.
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Output due to good ground
The increasing diameters of rake rotors impose ever greater demands upon ground contour following. The tines need to be guided across a large surface while in addition a larger rotor has to be able to adjust itself more effectively. After all, there may be substantial differences in the surface of the field. Two crucial factors are decisive for a good result: correct working height and stability of the rotor.
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Only stable rotors can ensure high output
The carriages under the rotors are designed so that that the wheels are as near as possible to the tines and follow the ground contours as closely as possible. The stability of the rotor is the most important factor for the machine’s output. No matter how many tine arms a rotor may have, an unstable rotor will never achieve the required output. For that reason, most Hibiscus rakes are fitted with tandem or pendulum type axles.
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Castor wheels avoid damage to the turf
All rotors of the Hibiscus SD side delivery cam rakes feature castor wheels. These keep the support wheels from scuffing (both rotors not being positioned exactly in the machine centre) when turning. On central delivery cam rakes such a facility is not necessary, because the tandem axles of those models are precisely aligned with the machine’s pivoting point.
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2D or 3D suspension, depending on rake model
Most of the time, a construction with a three-dimensional adjustment of the rotors – into the direction of travel as well as across this direction – is necessary and these designs are becoming ever more popular for larger rotors. Just like with the twin rotor SD rake, the distance between the rotors is so substantial that a two-dimensional adjustment is not sufficient. Then again, the major benefit of a 2D system is the outstandingly stable behaviour of the rotors. For both systems, tandem or pendulum type axles are necessary to achieve stability of the rotors as well as maximum output.
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Lely Hibiscus – built to last
Hibiscus central delivery rakes are by far the strongest and heaviest machines in today’s market place. Through these outstanding machines, Lely has set a new standard for rakes that combine an excellent operation with unrivalled durability. This solid construction does not only assure you of a high trade-in value but it also provides confidence during the most critical stage of harvesting, with adverse weather conditions and the contractor “hot on your trail”…
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A-frame – the most rugged type of rotor suspension
With many twin rotor rakes, the connection of the rotor arms and the main frame is a vulnerable part of the machine. Lely has eliminated this potential vulnerability by introducing the latest technology on its Hibiscus rakes: a carefully engineered construction with an A-frame.
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Solid fixation of double tines
The slightly curved tines of Hibiscus rakes are outstandingly strong as well as flexible. Due to the unique design and the special material the risk of breakage is minimal. Because of the special construction the Hibiscus tine is not affected as much by obstacles as the straight tines of other makes. The special fixation keeps the double tines in place; “solid as a rock”. This new fixation eliminates the problem of tines being clamped so tightly that any strain will cause fatigue and hence reduced tine operation. For all Hibiscus models an extra safety facility is available to avoid damage to a following harvesting machine.
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Unique protection on all tine arms
Based upon many years of experience in building rakes, Lely has developed a unique protection for the tine arms of Hibiscus rakes. If the tines hit an obstacle, the damage will be limited to the tine arm itself, while the gearbox is fully protected from any unforeseen stresses. Thus high replacements costs are eliminated, as are extended repair times.
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Product description
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A cam rake should allow fast operations as well as the possibility to lay down an effective swath with the correct shape and width. After all, a good swath is decisive for the output and cutting action of the baler, forage harvester or pick-up loader wagon. |
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The two highest specified and widest rakes with central delivery have different set ups. The 1015 CD Profi has extremely large rotors, while the 1515 CD Profi model has four rotors. These rakes are ideally suited for contractors and large farms where large swaths are required. |
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Features
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Lely Hibiscus CD Profi
Rakes are often a decisive link in the forage harvesting chain as we look at planning and workflow. This counts even more for contractors and large farms where big foragers or loaderwagons are depending on well shaped swaths which are finished on time to make sure all forage is safe! Both Lely’s Profi rakes are designed to withstand this pressure and deliver the optimum swaths to guarantee good performance of high capacity harvesters, balers and loaderwagons.
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Lely Hibiscus 1015 Profi – a highly cost-effective investment which pays itself back quickly
The twin rotor central delivery rake Hibiscus 1015 CD Profi gives some serious competition for the four rotor machines that are already available in today’s market place. In general, rakes with four rotors may have a larger working width, but the Hibiscus 1015 CD Profi rake has already proved to be highly successful due to outstandingly clean raking operations, even at high forward speeds up 20 km/h. This machine achieves an output of 15 hectares/h without any problem. The Hibiscus 1015 CD Profi rake is a surprisingly cost-effective investment, especially when compared to rakes with four rotors. In addition to this, it is correct to assume a high trade-in value. After all, the durability for which all Lely products are renowned was the key in the development and testing stage of the Hibiscus 1015 CD Profi rake. You only have to take a look at the rugged build and special design of the rotors and frame to become aware of a concept of unconditional reliability and functionality.
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Rotors with three-dimensional movement for optimum raking
The central delivery rake Hibiscus 1015 CD is a true Pro, which is also due to the unique 3D suspension. It comprises a pivoting head, which gives the rotor a 360° freedom of movement. Both rotors feature a unique wheel assembly. Lely has managed to develop an unrivalled wheel assembly – Octosense – in combination with a 3D suspension.
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Octosense – eight tyres guarantee a stable rotor
This wheel assembly (with eight wheels) ensures a stable run of the rotors, irrespective of field conditions and also at high forward speeds. The machine negotiates even the worst terrain unevenness with ease and assurance. Due to the combination of the 3D movement of the rotors and the intelligently engineered wheel assembly, the entire crop is moved, even at very high working speeds.
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Hydraulic-pneumatic ground pressure adjustment of rotors
A hydraulic-pneumatic system transfers part of the weight of the rotors onto the frame. This construction reduces the weight on the rotors as well as ensuring improved ground contour following at higher speeds. Pressure in the hydraulic-pneumatic system can be easily adjusted.
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Modular, maintenance-free rotors with 15 tine arms – a guarantee for a high output
The 15 removable tine arms feature the outstanding anti-breakage protection that has already proved its performance on other Hibiscus models. In addition, the tine arm shafts are made of chromium steel, which is twice as strong as the material that is normally used for other makes of rakes. The tine arms have a lateral configuration and they are supported by ball bearings, spaced out at 320 mm distances. The lateral confi guration reduces the stresses that are exerted on the cam track. This cam track itself has by far the largest diameter (370 mm) and it is made of high quality cast iron. The easyaccess cam track can be simply adjusted. A closed heavy-duty gearbox constitutes the heart of the Hibiscus rake.
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Specially shaped double tines for optimum raking
With a view to achieving the highest possible output, each tine arm of the rotors of the central delivery rake Hibiscus 1015 CD Profi is fitted with five double tines. These long tines, made of spring steel, have a 10 mm diameter and their special shape ensures perfect ground contour following as well as the ideal swath shape. No matter how heavy the crop is, the five double tines on each tine arm ensure optimum pick-up of the crop.
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The Profi drive line of the Hibiscus 1015 CD
The machine features an outstandingly rugged drive. Due to the double reduction on the rotor, the drive shafts and gearboxes operate at a relatively high speed, whereas the r.p.m. speed of the rake’s rotor is low. This ideal combination keeps the torque in the drive low.
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Profi + – additional ease of operation
The Profi + model features hydraulic depth adjustment and electric controls in the tractor cab for enhanced ease of control. Two double-acting hydraulic functions are still required.
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Forced linked steering and large low-pressure tyres
Due to the steered rear wheel assembly this giant allows perfect manoeuvring, even in the smallest of fields. The steering system itself stands out by its rugged construction with its large steering rods and king pins. The large low-pressure tyres ensure an ideal distribution of the weight of the machine.
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An extremely durable construction
The entire machine stands out from the rest by its remarkably rugged construction. The main frame, made out of one piece, connects the portal headstock with the rugged steering “bridge” for the rear wheels. Two sub frames connect the rotors and the main frame. The A-frame allows the machine to be folded up, while the parallelogram construction gives the adjustable working width as well as very secure locking in the transport position.
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Quick in the field, quick on the road
The central delivery rake Hibiscus 1015 CD Profi is fitted as standard with hydraulic drums brakes and high quality tyres for road transport at speeds of up to 40 km/h. In addition, the excellent brake system ensures perfect protection of the rake during work on undulating fields.
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Lely Hibiscus 1515 CD Profi – a surprising rake offering many benefits
A contractors rake has to be flexible to ensure clean raking in different circumstances and to make perfect swaths for balers, loaderwagons and forage harvesters and that with a maximum in working width. Those demands were the starting point for developing Lely’s widest rake, the Hibiscus 1515 CD Profi, and that resulted in a different V-shaped chassis with much more possibilities and stability then conventional four rotor rakes. Capacity and feed quality is improved because no rake wheels touch the crop!
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V-shaped chassis in field position
The two chassis beams are the first striking feature of Lely’s widest rake, which fold out in a V-shape when entering the field. Two rotors are suspended from each chassis beam and lowered on the left and right-hand side of the beam. In a forward direction, the position of these rotors remains consistent due to the parallelogram constructions. The suspension arms of the rotors can be extended to increase the distance between the rotor and main beam.
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V stands for versatility
By varying the angle between the two main beams and by extending or retracting the length of the suspension arms of the rotors, the rake has a wide range of working widths and overlap from which the control computer selects the ideal set-up. This may sound difficult, but it is not... The operator only has to either input or adjust the required swath width and working width; from then on, things move automatically.
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The wider, the more stable
By placing the transport wheels to the outside, between the rotors, the ground contour following is excellent. Consequently, major adjustments to field contours can be easily made. Since the long suspension arms of conventional four-rotor rakes are absent, all four rotors have an excellent stability. The wide position of the wheels – combined with 3D ground contour following – provides the best results plus optimum output.
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Quickly into and out of transport position
Upon arrival in the field, the rotors are lifted and the transport chassis is unlocked. As the machine moves on, the chassis is steered outward through a central hydraulic cylinder, while the transport wheels remain parallel to the driving direction. During moving of the chassis, the rotors are lowered to the headland position; then they are extended to the pre-set working width.
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Saving time on each headland
The Hibiscus 1515 CD Profi has the possibility of selecting a configuration to suit several types of headland shapes so that the computer can lift the rotors individually at the right time. The operator can make quick turns, assisted by the unrivalled stability that is ensured by the wide wheel position. Following the signal of the operator, the computer lowers the rotors individually at the right moment, based upon the previously selected headland configuration. |
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ISOBUS technology for the user
The computer works through an ISOBUS control system and provides a neatly arranged overview of all functions on the tractor based terminal. Thus, the rotors can be individually lifted quickly and simply, which also goes for adjusting the working width, swath width and headland functions.
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Comfortable road transport
The two rear rotors fold up to the inside, reducing the transport width of the machine to 2.50 m in the back, which provides improved road transport and bend negotiation. With the transport wheels placed further back than conventional four rotor rakes, bearing load on the tractor is noticeably increased offering better comfort and save driving. |
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Specifications
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