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Jurnal Penelitian Hasil Hutan
Published by Pusat Penelitian dan Pengembangan Hasil Hutan
ISSN : 02164329     EISSN : 24428957     DOI : 10.20886/jphh
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Materials Science & Nanotechnology
Jurnal Penelitian Hasil Hutan adalah jurnal ilmiah nasional yang mempublikasikan tulisan yang telah dicermati oleh Dewan Redaksi dan Mitra Bestari di bidang hasil hutan. Tulisan dalam Jurnal Penelitian Hasil Hutan mencerminkan inovasi dan hasil penelitian dasar dan terapan yang berkualitas di bidang hasil hutan. Topik tulisan penelitian hasil hutan meliputi: 1. Anatomi bahan berlignoselulosa 2. Sifat fisik dan mekanik bahan berlignoselulosa 3. Teknologi serat bahan berlignoselulosa 4. Papan komposit bahan berlignoselulosa 5. Biodeteriorasi dan pengawetan bahan berlignoselulosa 6. Teknologi pengeringan hasil hutan 7. Penggergajian dan pemesinan kayu 8. Pengolahan hasil hutan kayu dan bukan kayu 9. Pengolahan kimia dan energi hasil hutan 10. Ilmu kayu dan teknologi hasil hutan Keteknikan hutan 12. Pemanenan hasil hutan kayu dan bukan kayu
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 6 Documents
 1 
Search results for , issue "Vol 10, No 4 (1992): Jurnal Penelitian Hasil Hutan" : 6 Documents clear
HASIL DESTILASI KERING DAN NILAI KALOR KAYU NANGKA (Artocarpus heterophyllus Lamk) srii komarayat; Djeni Hendra
Jurnal Penelitian Hasil Hutan Vol 10, No 4 (1992): 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.1992.10.4.39 – 41

Abstract

Rapid destructive of Jackfruit wood was carried out by using a retort equipped with electrical heating syslem. This retort was also connected to a condenser and two flask to catch and  collect  the distillate or condensed gas.  The retort capacity was about  4 kg of wood.  Treatment conditions given in these experiment  were maximum heating temperature of500ᵒ C and 5 hours  distillation time.The results showed that charcoal yield of Jackfruit  wood varied from  25.00  to 39.81%, tar from  6.23 to 9.42%  and pyroligneous liquor from  67.64 to 102.05%  The calonfic  value of wood varied from  4392.00  to 4620. 65  kcal/g and charcoal from 6691.81 to 7108.37.kcal/g.Based on  these calorific values, wood and charcoal of Jackfruit wood are excellent material for fuel.
PENENTUAN PENUMPULAN PISAU PADA PERMUKAAN KAYU Jamal Balfas
Jurnal Penelitian Hasil Hutan Vol 10, No 4 (1992): 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.1992.10.4.66-69

Abstract

The wear of wood cutting tools. is. generally, the process which makes a usable tool unfit for continued use.  The replacement of the worn cutter by  reconditioning  or substitution of a new one represents a necessary cost which can be minimized  by controlling tool wear. Numerous  studies have been conducted through direct  observations on the cutting edge using a variety  of photographic methods. Such observations are quite complicated and can hardly be introduced to industrial practices.  This study is aimed to explore a possibility of determining  cutting  tool wear indirectly  through the work piece observation.   It is based on assumption  that knife blunting has a direct  bearing on the quality of the finished product,  i.e., changing the geometry of cutting marks on the wood surface.Boards of two wood species,  rasamala and mangium,  were seasoned to air-dry condition and planed  using new sharp knives at one feed  speed of 30 .m/min.  Observations were carried out sequentially at 5 pianing  distances, i.e., 10, 20,  40,  80 and 160 m.  Cutting marks  geometry on the wood surface  was distinguished by rubbing the surface gently with a carbon paper.  Measurements  of cutting marks and the width of cutting peak were undertaken using a digital calliper.  Results showed that values of cutting marks and width of catting peaks markedly increased with increasing planing distances.  Blunting process was significantly   affected  by wood species. Knives used for planing  rasamala boards blunied quicker than those used for  mangium.   These, to some extend, revealed  a possible use of cutting marks structure  on wood surface for  determining the wear of cutting edge.
PENGAWASAN ADMINISTRATIF TATA USAHA KAYU DI TPK DAN LOGPOND HPH DENGAN PROGRAM KOMPUTER Hariyatno Dwiprabowo
Jurnal Penelitian Hasil Hutan Vol 10, No 4 (1992): 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.1992.10.4.42 - 56

Abstract

Ministry of forestry requires the forest  concession holders  to fill in   logs  administrative forms  containing  log records  to supervise Iogs  production and circulation  in forest  concessions. However, large .amount  of logs produced  has prevented  the provincial  forest  service and forest  district from conducting through examination on the documents turned in by concessionaries.In this study, a computer program intended to help accomplishing the task is created and tried out documents that must be filled  in at logyard and logpond of concession. Using simulated  logs data the program run on PC could find  some deviation in the documents presented in terms of logs statistics. 
PENGARUH PENGERJAAN AKHIR TERHADAP STABILITAS DlMENSI KAYU Jamal Balfas
Jurnal Penelitian Hasil Hutan Vol 10, No 4 (1992): 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.1992.10.4.70-75

Abstract

This study  was designed   to determine the ability  of six  commercial exterior finishes  (2 clear coats  and 4 opaque  coats)  in  protecting wood from   dimensional changes.   Two wood species,  jabon (Anthocephalus cadamba Miq.) and mangium (Acacia mangium Willd.)  were used in this study.   Samples were  seasoned to air-dry condition  (moisture content of 15-17%)and  then  divided into groups on the basis of treatments and groin orientation (radial and tangential).  Application of each exterior finish  was undertaken according to procedures  suggested by the finish  manufacturer. The  effectiveness of treatments to dimensionally  stabilize wood was determined by measurements of wood swelling within 72-hours  immersion and calculation of a.:d-.swelling efficiency (ASE). Results of observations made to this stage showed that the effect  of finishing on wood dimensional stability varied according  to wood species, grain orientation and type of finish  coat. Finishing had a greater dimensional stabilizing effect  on Jabon than mangium.  Reduction of swelling due to finishing was greater in tangential compared to radial boards.  The use of clear coats significantly gave less protection on wood stability than that of opaque coats.  Anti-swelling efficiency of all treatments markedly decreased with increasing period of  immersion.
STUDI KASUS KERAPATAN JALAN HUTAN DI DUA PERUSAHAAN HUTAN DI JAMBI Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 10, No 4 (1992): 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.1992.10.4.57 - 60

Abstract

A study on the forest  road densities  was carried out at two logging companies in Jambi in 1990.  The objective is to find  aut the information of forest  road densifies realized by the companies. Data on area cut and road constructed  during the latest ten years felltng  blocks (from 1980/1981 to 1989/1990) were coilected. The results of the  investigation reveal that.:1.   Annually, the length of forest.roods built by A and B logging companies ranged from 2,000  to 13,000 m with an average of 6.050 m. and from  7, 600 to 19.800 m with an average of 12, 733 m. respectively.2.  Forest  road density  of each felling block at A and B logging companies ranged from 2. 10 to 20 m/ha with an average of 8. 54 m/ha, and from 3.45  to 22 m/ha with anaverage of 10.02 m/ha, respectively.3.  The level of forest road density average in the two logging  companies was still bellaw those level based on Segebaden Formula.4.  It is suggested that log potential,  rood construction cost and skidding cost be taken info consideration in constructing ofrest road.
KAJIAN KONSUMSI ENERGI BEBERAPA JENIS PRODUK INDUSTRI KAYU Tjutju Nurhayati
Jurnal Penelitian Hasil Hutan Vol 10, No 4 (1992): 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.1992.10.4.61-65

Abstract

The purpose of this study is to identify the energy consumption fram PLN (state electric company) electricity, diesel fuel and wood waste per m3 production of several products of wood indutries. The products included in the study are plywood, jointing board, matches and chopstick wood working, housing component, particleboard, picture frame and sawntimber.The study revealed that energy consumption from PLN electricity per m3 productions for plywood was 149. 51 kwh, jointing board was 152.29 kw, sawntimber ranged from 34.25 to 55.87 kwh and wood working was 178.11 kwh. The consumptions of diesel fuel for plywood was 50. 97 liters, and sawntimber was 14.23 liters. The biomass energy consumption per m3 productions for picture frame was 0.08 m3 which gave the lowest figure while the highest was for jointing board, namely 0. 604 m3. the share of biomass energy per m3 productions was 82% of the total energy consumption.

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