Herman Hakala. (1992). Mäntytukkien sahauksen järeyden mukainen taloudellinen tulos ja siihen vaikuttavia tekijöitä. Acta Forestalia Fennica no. 226 article id 7672. https://doi.org/10.14214/aff.7672

English title: Financial result of sawing Scots pine logs as influenced by top diameter and other associated factors.

Original keywords: sahateollisuus; tukkikoko; kustannus-hyötyanalyysi; taloudellinen tulos

English keywords: cost-benefit analysis; sawmilling; sawmill industry; log size; financial result

Abstract | View details | Full text in PDF | Author Info

The influence of log properties (diameter, length, taper, volume, density and quality), sawing pattern, yield, sawing efficacy, stoppages, consumption of electric power and thereby on the financial result of sawing was examined. In addition, the significance of various revenues and costs were studied from the point of view of the financial result of sawing. The revenues from sawing are composed of revenues obtained from sawn goods, chips, sawdust and bark. The costs in sawing are made of raw material, capital, labour, energy and other costs. The results were calculated per diameter class and applying the basic principle of targeting all returns and costs on the different diameter classes.

The results are based on test sawings of a total of 1,606 Scots pine logs representing eight diameter classes, using conventional frame saw sawing patterns. In addition, a sawing simulator was used. Log top diameter had a significant influence on the financial result obtained when calculations were made per log volume. The financial result obtained for the biggest diameter class exceeded that of the smallest diameter class by FIM 99.1/m³. Sawing revenues accounted for FIM 66.0/m³ and sawing costs for FIM 33.1/m³ of this difference. In addition to being influenced by the top diameter, the yield and sawing efficacy were observed to have a clear influence on the financial result. The influence of stoppages was smaller.

The only means of gaining significant improvement in the annual result obtained from sawing were improvements in the revenues from sawn goods or reductions in the cost of raw material. Increase of the minimum diameter led to a significant improvement in the annual result obtainable from sawing only if the production time remained unchanged; i.e., when correspondingly more logs from the other diameter classes were sawn. If the production time was reduced by an amount corresponding to the increase in minimum diameter, then the annual result fell dramatically except in the case of minimum diameter.

The PDF includes a summary in English.

Hakala, E-mail: hh@mm.unknown

Click this link to register to Silva Fennica.

If you are a registered user, log in to save your selected articles for later access.

Contents alert

Your selected articles
Send to email

Ikonen V.-P., Kellomäki S. et al. (2009) Sawn timber properties of Scots pine as affected.. Silva Fennica vol. 43 no. 3 article id 197 (remove) | Edit comment

Kallio T., (1974) Bacteria isolated from injuries to growning spru.. Acta Forestalia Fennica vol. 0 no. 137 article id 7571 (remove) | Edit comment

Heikurainen L., Laine J. (1985) Duration of the height growth response of young .. Silva Fennica vol. 19 no. 2 article id 5237 (remove) | Edit comment

Lehtiniemi T., (1973) Use of peat briquettes in seeding of Scots pine Silva Fennica vol. 7 no. 4 article id 4889 (remove) | Edit comment

Kellomäki S., (1984) Observations on the influence of stand density o.. Silva Fennica vol. 18 no. 2 article id 5207 (remove) | Edit comment

Hari P., Kellomäki S. et al. (1982) Dynamics of early development of tree stand Acta Forestalia Fennica vol. 0 no. 177 article id 7624 (remove) | Edit comment

Lukkala O. J., (1934) The history of tree species in southwest Finland Acta Forestalia Fennica vol. 40 no. 18 article id 7295 (remove) | Edit comment

Lehtonen I., Hari P. et al. (1977) On control of daily structural matter production.. Silva Fennica vol. 11 no. 1 article id 4959 (remove) | Edit comment

Egbäck S., Nilsson U. et al. (2017) Modeling early height growth in trials of geneti.. Silva Fennica vol. 51 no. 3 article id 5662 (remove) | Edit comment

Luukkanen O., (1980) Notes on the forests of North-Eastern China and .. Silva Fennica vol. 14 no. 4 article id 5087 (remove) | Edit comment

Mikola J., (1980) The effect of seed size and duration of growth o.. Silva Fennica vol. 14 no. 1 article id 5069 (remove) | Edit comment

Kupila-Ahvenniemi S., Hankonen S. et al. (1974) Experiments on the determination of certain elem.. Silva Fennica vol. 8 no. 3 article id 4904 (remove) | Edit comment

Follow @SilvaFennica