< Volver MAKORé (Tieghemella africana) Vista Imprimible
MAKORé (Tieghemella africana)
Nombre comercial
Makoré
Nombre científico (con autor)
Tieghemella africana Pierre
Familia
SAPOTACEAE
Nombres Comunes
Makoré (Côte d`Ivoire); Okolla (Gabon); Douka (Equatorial Guinea); Douka (Gabon); Okolla (Equatorial Guinea); Abacu (Ghana); Baku (Ghana); Ukola (Gabon)
Nombres científicos sinónimos (con autores)
Lecomtedoxa vazii Dubard; Dumoria africana (Pierre) Dubard; Baillonella africana (Pierre) Baehni
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The tree reaches a height of more than 50 to more than 50 m. The bole is cylindrical, straight and clear to 32 m in length, unbuttressed. The trunk diameter attains 130 cm, sometimes even over 300 cm.A
Hábitat natural
Tieghemella africana is a timber species with a wide distribution in areas of lowland rainforest. It is found in dense virgin rain forests, often in large concentrations. It is known or inferred that unless the species is subject to strict regulation, i
Distribución natural
West Africa, from Sierra Leone to Cameroon, Gabon and Cabinda.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels in dendritic pattern. Vessels in diagonal and/or radial pattern. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 to 150 micras (small). Tyloses thin walled. Non-vestured pits. Vessels pe Axial parenchyma in continuous tangential lines or fine bands. Occasionally siliceous bodies in the axial parenchyma. 5 to 8 cells per parenchyma strand. Rays more than 10 per mm (abundant). Rays and/or axial elements irregularly storied. Rays non-storied. Rays 1 to 4 seriate. Silica bodies in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Non-septate fibers. Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Color
The sapwood is whitish to pale pink, it has a thickness of 5 to 7 cm. The heartwood is from pinkish brown to dark red-brown, it is clearly demarcated. The silver figure is fine.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
2
Grano
Straight or slightly interlocked, sometimes with an influence on further processing operations.
Veta
The texture varies from fine to medium.
Brillo
The wood surface is described as low in luster.
Durabilidad Natural
Very durable to decay; without preservative treatment. This species is especially suited for all the uses with risks of permanent or long-lasting humidification. Resistant to termites attack. Heartwood is resistant to Lyctus attacks.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
1
Internal growth stresses
No growth stresses are reported in this species.
Contenido de sílice
Silica Content: This timber is reported to have silica. Silica contents over 0.05% may affect wood processing. Silica Value: 0.3
Dificultad para impregnar
Difficult to treat with only a low penetration of the preservative products.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.65
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.72
Contracción Tangencial Total (Saturado hasta anhidro) (%)
6.9
Contracción Radial Total (Saturado hasta anhidro) (%)
5.3
Defectos por secado
Ease of Drying: Drying is fairly easy; some difficulties could occur when drying too fast. Drying Defects: Risks of distortions. Kiln Schedules: The kiln schedule has been tested.
Calendario de Secado
FR-4
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.3
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1071
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
148800
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
635
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
85
Cizallamiento radial CH12% (kgf/cm²)
113
Dureza Janka (lados) CH12% (kgf)
644
Dureza Janka (extremos) CH12% (kgf)
737
TRABAJABILIDAD
Aserrado
Sawing of this species is easy to moderately easy.
Corte de chapa rotativa
Suitable for slicing, also suitable for peeling if treated.
Chapa tranchada
Suitable for slicing, also suitable for peeling if treated.
Pérdida de filo_romado
Severe blunting effect; stellited blades for sawing and carbide tools for machining are recommended.
Maquinado general
Possible difficulties caused by interlocked grain are reported.
Cepillado
Moderately easy; tools must be cautiously sharpened.
Moldurado
Moderately easy; tools must be cautiously sharpened.
Torneado
30
Taladrado
Moderately easy; tools must be cautiously sharpened.
Escopleado, caja y espiga
Moderately easy; tools must be cautiously sharpened.
Clavado
Pre-boring is necessary.
Encolado
Difficult to glue because of high density.
Lijado
Easy to perform; it gives good results.
Sacar lustre
Can be polished without surface preparation.
Doblar al vapor
This species can be used for steam bending.
Facilidad para herramientas manuales
Working with hand tools is difficult.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, fittings, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, faces, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boats, boat hulls, boat deck, port storage, OTHER AND MUSICAL INSTRUMENTS, handicrafts
VIVIENDA GENERAL
- 10 - Silica in Timbers
vigas
- 11 - Prospect: The wood database
Viguetas
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Tablas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Pisos
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Marcos
- 16 - Woods of the World
Peldaños
- 17 - Tree Conservation Database
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
Accesorios de madera
- 19 - Silica in Timbers
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Muebles finos
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Gabinetes
- 24 - Empire Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
Caras
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
chapa decorativa
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneado
- 30 - Embassy of Honduras in Japan
artículos torneados
- 31 - Embassy of Colombia in Japan
Artículos torneados
- 32 - Embassy of Cote d`Ivoire in Japan
mangos de cuchillos
- 33 - Embassy of Gabon in Japan
Hormas zapato
- 34 - Embassy of Indonesia in Japan
Carrocería de camión
- 53 - Timbers of the New World
Pisos de vagones_contenedores
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
Botes
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Botes_cascos
- 57 - Estadísticas de Aprovechamiento, Exportación y comercialización Nacional de Productos Forestales
Botes_cubierta
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Puertos_estantería
- 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Please Provide Information To View Producer Information