Harvester
Mostrando 1-12 de 95 artigos, teses e dissertações.
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1. DEVELOPMENT OF A PNEUMATIC OLIVE HARVESTER
ABSTRACT A pneumatic olive harvester was developed and evaluated in this study. The components of the developed machine were the limb clamp, vibrating unit, control elements, main tube, air-pressured hoses, control valve, and power source. The measurements that related to the development of the harvester were fruit and limb damage, and some physical and mech
Eng. Agríc.. Publicado em: 2021-05
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2. SUGARCANE BASE CUTTING QUALITY USING RECTANGULAR AND CIRCULAR BLADES
ABSTRACT Sugarcane mechanized harvesting can lead to serious risks to the longevity of plantations when improperly operated, and may cause damages and disturbances in the remaining ratoons in the field. In this sense, this study aimed to evaluate the damage and disturbance to the sugarcane ratoons by the base cutting quality of two-blade models through stati
Eng. Agríc.. Publicado em: 2021-02
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3. IMPORTANCE OF CROP PRODUCTIVITY AND EQUIPMENT LIFETIME IN THE STRATEGIC AND TACTICAL MANAGEMENT OF SUGARCANE HARVESTERS
ABSTRACT Recently, Brazilian agriculture and the mechanization process have been improved and developed, particularly in sugarcane cultivation. The developed processes should adopt suitable management practices in terms of the technical, economic, and operational logistical aspects. As a management tool, the present study aimed to measure the impact of the a
Eng. Agríc.. Publicado em: 2020-10
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4. SEED METERING MECHANISMS AND TRACTOR-SEEDER FORWARD SPEED ON CORN AGRONOMIC COMPONENTS
ABSTRACT Seed metering system and tractor-seeder forward speed are factors that affect sowing. Therefore, this study aimed to evaluate sowing and agronomic components of corn as a function of seed metering mechanism and tractor-seeder forward speed, in addition to evaluating the yield data obtained from a harvester with a yield monitor. The soil of the area
Eng. Agríc.. Publicado em: 2020-02
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5. CAN BASAL CUTTING BLADE WEAR AFFECT SUGARCANE REGROWTH?
ABSTRACT Sugarcane harvester cutting blade wear increases ratoon damages and losses, impairing sugarcane regrowth. This study aimed to evaluate the quality of basal cut using ratoon damage and loss indexes and correlating them with effects on sugarcane regrowth. Harvest parameters such as plant height and position, damage and loss indexes, and stem length we
Eng. Agríc.. Publicado em: 2020-02
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6. Modeling residual biomass from mechanized wood harvesting with data measured by forest harvester
Abstract: The lack of accurate models for estimating residual biomass in wood harvesting operations results in underutilization of this co-product by forestry companies. Due to the lack of this information, forestry operations planning, such as chipping and transport logistics, are influenced, with a consequent increase in costs. Thereby, the aim of this stu
An. Acad. Bras. Ciênc.. Publicado em: 02/12/2019
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7. Equipments to manage soil and irrigated rice straw for the sequential sowing of soybean in tropical floodplains1
RESUMO A presença de palha dificulta a semeadura de soja cultivada em sucessão a arroz, em áreas irrigadas por inundação. Objetivou-se avaliar a combinação de configurações de colhedora de arroz e operações subsequentes na demanda operacional e energética do manejo da palha de arroz e na rugosidade superficial do solo, visando ao cultivo da soja
Pesqui. Agropecu. Trop.. Publicado em: 26/09/2019
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8. REPETITIVE MOTION AND POSTURAL ANALYSIS OF MACHINE OPERATORS IN MECHANIZED WOOD HARVESTING OPERATIONS
ABSTRACT The objective of this study was to evaluate operators’ posture and repetitive motions in the mechanized wood harvesting operations, aiming comfort, safety, and health of forest operators. The study was carried out in the clearcutting of pine stands located in Paraná State, Brazil. Data were obtained in tree cutting operations with feller buncher
CERNE. Publicado em: 09/09/2019
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9. Analysis and proposal of reduction of lead time in the process of cutting, loading and transportation in a sugar cane factory: a study case
Resumo A partir da importância do setor sucroenergético para a economia brasileira, e da importância do processo de corte/carregamento/transporte (CCT) de cana no suprimento e no custo da produção do açúcar, álcool e derivados, este artigo tem como estudo de caso uma usina de cana-de-açúcar paulista. O objetivo deste trabalho foi construir propost
Gest. Prod.. Publicado em: 05/09/2019
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10. WEAR QUANTIFICATION OF BASAL CUTTING KNIVES IN SUGARCANE HARVESTING
ABSTRACT The mechanized harvesting of sugarcane has increased exponentially in recent years because of the gradual prohibition of burning on the cane fields in mechanizable and non-mechanizable areas. This study aimed to evaluate the wear of the basal cutting knives in two different mechanized sugarcane harvesters, through statistical process control. The ex
Eng. Agríc.. Publicado em: 12/08/2019
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11. TYPES OF HEADER, OPERATING SPEED, AND GEOMETRY OF COLLECTION FRAMES ON THE TOTAL LOSSES OF SOYBEAN HARVEST
ABSTRACT Soybean has significant economic importance in Brazil despite high production costs, making it necessary to increase the efficiency of mechanized harvest through the reduction of losses. Thus, this study aimed to evaluate the total losses in the mechanized soybean harvest as a function of the combination of header types, operating speeds, and geomet
Eng. Agríc.. Publicado em: 12/08/2019
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12. Operating cost of sugarcane harvester in function of agricultural productivity and harvester age
RESUMO A agricultura brasileira tem expandido e melhorado suas técnicas nas últimas décadas, assim como a mecanização da cultura de cana-de-açúcar. Em geral, o custo da mecanização dessa cultura é o mais elevado dentre o custo total de produção em relação a outras culturas. Este custo é composto de vários componentes, tais como o custo da col
Rev. bras. eng. agríc. ambient.. Publicado em: 10/07/2019