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Dede Rohadi
pusat penelitian dan pengembangan hasil hutan
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SIFAT PENGGERGAJIAN DAN PENGERJAAN BEBERAPA JENIS KAYU HTI Dede Rohadi; Bakir Ginoga
Jurnal Penelitian Hasil Hutan Vol 12, No 1 (1994): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1994.12.1.5-8

Abstract

This paper  reports  the studies  on sawmilling  woodworking properties  of 3 plantation  wood species.  derived from some plantation areas  in Java,  Logs of K.emiri  (Aleurites molluccana). tusam (Pinus merkusii) and Piaus oocarpa were sawn using a 44 inch bandsaw  to produce various size of boards. Following drying to approximately 1 5% of moisture content. the boardh were observed for their machining properties. The dried boards were processed further  into varaous end products and furnitures.Sawmilling trials shorwed that the average  sawn timber recoveries for  the respective species were 45%, 60% and 73%. regardless to the limited length and  width of  the resulted boards from  the sawmilling process, which were due  to the  small  log diameters,  a satisfactory  jointing  board can be  produced  through the application  of finger  and edge jointing machines.All  of  the species showed to have good  machining  properties and good  workability. Either  the fresh  logs or wood cants can beutilized for  producing  various  tuming products.  handicrafts  or even furnitures such as tables and chairs.  The  study  showed the potential utilization  of plantation  materials for various end products.
KARAKTERISTIK PENGGERGAJIAN DAN PEMESINAN KAYU AREN (ARENGA PINNATA) Osly Rachman; Dede Rohadi; Jamal Balfas
Jurnal Penelitian Hasil Hutan Vol 6, No 3 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1989.6.3.145-151

Abstract

This paper discuses the results of study on the sawing and machining characteristics of aren wood (Arenga pinnata). The material used in this study consisted of 26 logs with diameter ranging from 23 cm to 42 cm. These logs were sawn using two cutting patterns, namely live sawing and round sawing. The parameters observed in the sawing procees comprised recovery, productivity  and power consumption.                                                                                              .The result of statistical analysis reveals non significant differences of  the effect  of  the two cutting patterns on sawing recovery and sawing productivity.  On the other hand, the location of bolt within the stem does not seem to have significant effect on power consumption. The average values of recovery, sawing productivity and power consumption of  Aren stem are respectively 13,48%, 6,09 m3/hour and 64,92 watt sec./cm2.The machining characteristic of aren wood was tested  in accordance with the modified ASTM D- 1666 (64).The material for  the test consisted of 25 samples for each machining property tested (planing, shaping, turning, boring and sanding). The result shows that aren wood has good to very good machining characteristic especially in planing, shaping, boring and sanding.
SIFAT PENGGERGAJIAN DAN PENGERJAAN BEBERAPA JENIS KAYU HTI Dede Rohadi; Bakir Ginoga
Jurnal Penelitian Hasil Hutan Vol 12, No 1 (1994): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1994.12.1.5-8

Abstract

This paper  reports  the studies  on sawmilling  woodworking properties  of 3 plantation  wood species.  derived from some plantation areas  in Java,  Logs of K.emiri  (Aleurites molluccana). tusam (Pinus merkusii) and Piaus oocarpa were sawn using a 44 inch bandsaw  to produce various size of boards. Following drying to approximately 1 5% of moisture content. the boardh were observed for their machining properties. The dried boards were processed further  into varaous end products and furnitures.Sawmilling trials shorwed that the average  sawn timber recoveries for  the respective species were 45%, 60% and 73%. regardless to the limited length and  width of  the resulted boards from  the sawmilling process, which were due  to the  small  log diameters,  a satisfactory  jointing  board can be  produced  through the application  of finger  and edge jointing machines.All  of  the species showed to have good  machining  properties and good  workability. Either  the fresh  logs or wood cants can beutilized for  producing  various  tuming products.  handicrafts  or even furnitures such as tables and chairs.  The  study  showed the potential utilization  of plantation  materials for various end products.
KARAKTERISTIK PENGGERGAJIAN DAN PEMESINAN KAYU AREN (ARENGA PINNATA) Osly Rachman; Dede Rohadi; Jamal Balfas
Jurnal Penelitian Hasil Hutan Vol 6, No 3 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1989.6.3.145-151

Abstract

This paper discuses the results of study on the sawing and machining characteristics of aren wood (Arenga pinnata). The material used in this study consisted of 26 logs with diameter ranging from 23 cm to 42 cm. These logs were sawn using two cutting patterns, namely live sawing and round sawing. The parameters observed in the sawing procees comprised recovery, productivity  and power consumption.                                                                                              .The result of statistical analysis reveals non significant differences of  the effect  of  the two cutting patterns on sawing recovery and sawing productivity.  On the other hand, the location of bolt within the stem does not seem to have significant effect on power consumption. The average values of recovery, sawing productivity and power consumption of  Aren stem are respectively 13,48%, 6,09 m3/hour and 64,92 watt sec./cm2.The machining characteristic of aren wood was tested  in accordance with the modified ASTM D- 1666 (64).The material for  the test consisted of 25 samples for each machining property tested (planing, shaping, turning, boring and sanding). The result shows that aren wood has good to very good machining characteristic especially in planing, shaping, boring and sanding.
Co-Authors Bakir Ginoga Jamal Balfas osly rachman