Processing

The Processing category covers research projects such as hardwood and softwood sawmilling and processing; increasing the performance and yield of solid wood, engineered wood and pulp and paper products; and maximising product yields and values from current resources.
 
Topics covered include improved efficiency of the use of wood resources through improved methods of timber drying, grading and enhancing timber properties such as durability.
 
A key goal is to create greater value in wood products by developing knowledge and technology to improve existing production and utilisation processes, which leads to maximising value recovery.
 
To find a specific report, or view reports other than Processing reports, click here to use the search report function.

All Processing Reports

 Traditionally it takes many hours before the results from monitoring MUF (melamine urea formaldehyde) resins used in MDF manufacturing plants are available to production engineers. If the quality of the resin has varied from specification the costs of lost production can be huge.

This project focused on the performance of isocyanate-based adhesives (IBAs) used to bond Australian wood species in Australian conditions. IBAs are an alternative to phenolic-based adhesives used to produce engineered wood products (EWP). There were three main areas of investigation; a three year exposure test to monitor the durability of IBAs; five accelerated test methods; and the hygro-mechanical responses (i.e. response to changes in environmental conditions, particularly moisture) of thin films of adhesives.

This project quantified the relationship between sawn timber distortion and log end splitting with growth strain measured at the surface of standing trees; investigated the impact of log end splitting on sawn volume recovery; and used wood characteristics estimated from breast height cores to identify trees prone to excessive sawn board distortion and log end splitting.
 
The expected outcomes were an improved understanding of the potential for plantation grown eucalypts to produce high quality sawlogs

This project determined the bending strength, tension strength, shear strength and bending stiffness of Australian manufactured GL13 softwood glulam and assessed its characteristic values; used statistical data as a basis for determining a capacity factor to be cited in AS1720.1; determined the statistical strength and stiffness properties of finger jointed laminations and related this data to the characteristic strengths and stiffness of glulam; determined the extent to which available computer software (eg Statistica QC Charts) can be employed to provide glulam producer

The use of toxic chemicals to protect timber from insect attack and decay is being scrutinised for its life cycle impact on the environment. This research report evaluated the Vinden process as a method for improving the environmental performance of existing preservatives such as chromated copper arsenate (CCA). 
 

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