bol­stered baler

Stronger chas­sis high­light of new Claas Rol­lant round baler, Chris McCul­lough re­ports

Farms & Farm Machinery - - Product News -

Astronger chas­sis and new rollers are key fea­tures on the lat­est Rol­lant 540 fixed cham­ber round baler from Claas. Avail­able with the choice of net or film wrap­ping, the new Rol­lant 540 will pro­duce bales with a di­am­e­ter of 1.25m and widths of 1.22m. The 540’s bal­ing cham­ber is formed by 16 rollers, made from 4mm thick steel plate.

The ser­rated pro­file of the rollers main­tains op­ti­mum bale ro­ta­tion even un­der moist con­di­tions. Bear­ing and power trans­mis­sion func­tions are per­formed via spe­cially hard­ened 50mm-di­am­e­ter lat­eral-axle stubs on the in­put drive side. They are flange-mounted on the roller body, and can be in­di­vid­u­ally re­placed if nec­es­sary.

The tail­gate clos­ing rams are ar­ranged hor­i­zon­tally at the sides, re­sult­ing in high bal­ing pres­sures. This new de­sign also re­duces the pres­sure ex­erted on the tail­gate and ram bear­ing struc­tures.

For max­i­mum bale den­sity, forces of up to 180-bar can be ap­plied to the rams, while for fur­ther in­crease den­sity, the Rol­lant 540 can also be sup­plied with the MPS II sys­tem as an op­tion. With MPS, a seg­ment bear­ing three of the bal­ing rollers piv­ots into the cham­ber for ad­di­tional bale com­pres­sion, early bale ro­ta­tion, and a “per­fectly” uni­form bale shape.

The bal­ing rollers are driven solely from the left-hand side of the ma­chine. Each roller has di­rect drive, re­sult­ing in uni­form force dis­tri­bu­tion to the rollers with a lower power re­quire­ment.

The ro­tor and main drive have 1.25-inch drive chains, and the tail­gate rollers are driven with a one-inch chain. Th­ese chains are lu­bri­cated via an ec­cen­tric pump, with oil sup­ply from a 6.3-litre stor­age tank. All the lu­bri­cat­ing nip­ples of the MPS and tail­gate are com­bined on the right-hand side. A cen­tral lu­bri­ca­tion op­tion is also avail­able and lu­bri­ca­tion in­ter­val can be set on the control ter­mi­nal.

A 2.10m-wide con­trolled pick-up re­trieves the crop re­li­ably and ef­fi­ciently, and a dou­ble flat­ten­ing roller is avail­able as op­tional equip­ment. This im­proves crop flow, es­pe­cially for par­tic­u­larly large and small swathes, and pro­motes uni­form bale for­ma­tion. Mean­while, two lat­eral feed augers pro­vide a re­li­able sup­ply to the ro­tor.

The op­tional chop­ping mech­a­nism has 15 knives, with a the­o­ret­i­cal cut length of 70mm. The knives can be swung in from the cab, and have in­di­vid­ual pro­tec­tion against dam­age from for­eign ob­jects.

For block­ages, the cut­ting cham­ber can be low­ered with a com­mand from the control ter­mi­nal. This pro­vides an ex­tremely user-friendly sys­tem for the driver, and min­imises down­time. There is also a lower power re­quire­ment for restart­ing the mech­a­nism after­wards.

Cus­tomers of the new Rol­lant 540 have the choice of net or film wrap. Chang­ing the wrap­ping mode is a tool-free op­er­a­tion, per­formed sim­ply by ad­just­ing the side screws of the guide roller.

A ramp on the right side of the ma­chine sim­pli­fies the task of load­ing the wrap­ping sys­tem. With the Com­fort sys­tem as op­tional equip­ment, wrap­ping sys­tem set­tings can be car­ried out di­rectly from the cab.

Left: The new Rol­lant 540 will pro­duce bales with a di­am­e­ter of 1.25m and widths of 1.22m

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