Wood Drying Topics

No New Posts Dry Kiln Maintenance

Are Dry Kilns high maintenance or low maintenance? Can good or bad kiln maintenance affect the quality of the lumber you dry?

56 Posts
12 Topics

Last post by Kiln Guy
in Re: Moisture Probe Wires
on November 23, 2015, 07:40:02 AM

No New Posts Stacking/Sorting Wood

Stacking lumber for drying is a critical part of producing quality lumber. Sorting lumber before drying simplifies stacking and also aids in placing material of similar drying characteristics in the same kiln charge. The extent of sorting depends on practical considerations--some sorts are almost unavoidable, whereas others are sometimes omitted. Lumber can be sorted by species, moisture content, heartwood and sapwood, wetwood, grain, grade, thickness, and length.

48 Posts
16 Topics

Last post by MichaelM
in Re: Kiln Weights
on December 23, 2015, 09:20:51 AM

No New Posts Impact on Planing

Drying impacts the planing process. Wood that is too wet or too dry may have a chipped or fuzzy surface. Over-dry lumber may result in skip and slow the planer feed speed. Moisture content measurement at the planer can be used to improve the drying process. Feedback from the planer to the kilns is essential to improve or maintain quality drying.

16 Posts
5 Topics

Last post by R Kiesling
in Re: drying 2" Douglas Fi...
on September 10, 2015, 09:52:38 AM

No New Posts Dry Kiln Control

Lumber dry kiln control systems control the environmental conditions of heat, relative humidity, and air circulation necessary for the proper drying of hardwood and softwood. These control systems are usually personal computer (PC) or programmable logic controller (PLC) based. On some older systems, cam follower control is used. Dry kilns typically dry lumber to between 3 and 19 percent moisture content.

52 Posts
16 Topics

Last post by HencoV
in Re: Questioning Kiln Con...
on November 19, 2015, 03:13:58 AM

No New Posts Moisture Variability

Variability in wood properties causes boards within a stack of lumber to dry at different rates and reach different moisture content levels after drying is completed. The consequence is that the boards will have properties that differ from ones that were intended to be achieved by the drying process.

73 Posts
26 Topics

Last post by GeorgeCulp
in Re: Drying 2
on May 24, 2016, 12:28:18 PM

No New Posts Drying Defects

Wood drying may be described as the art of ensuring that gross dimensional changes through shrinkage are confined to the drying process. Ideally, wood is dried to that equilibrium moisture content as will later (in service) be attained by the wood. Thus, further dimensional change will be kept to a minimum.

14 Posts
5 Topics

Last post by R Kiesling
in Re: End of Log Sealing
on September 10, 2015, 09:59:11 AM

No New Posts Mold & Stain Issues

Some stains are chemical and some stains are biological. It is important for the operator to distinguish these. Stains sometimes appear, and then go away on their own. Processing time from when the tree is felled to when the wood is dried is a major factor in controlling stain. Storage conditions for the logs and lumber are important. The kiln temperature, humidity, and airflow can make the problem worse. Insect discussions are welcome here too.

28 Posts
10 Topics

Last post by PhilM
in Orange Mold
on March 25, 2015, 11:46:26 AM

No New Posts General Discussion

Feel free to talk about anything and everything related to kiln drying for the wood industry in this board.

194 Posts
61 Topics

Last post by Joe
in Re: Lumber twists in the...
on May 07, 2016, 04:36:52 AM

No New Posts Industry Articles

Feel free to post industry articles related to kilndryn for the wood industry.

18 Posts
13 Topics

Last post by admin
in Re: Techniques & Procedu...
on May 02, 2016, 01:38:30 PM

No New Posts Training / Events

Find information here on upcoming Trade Shows, Training or Association Meetings

23 Posts
23 Topics

Last post by admin
on May 13, 2016, 02:02:30 PM

No New Posts Job Postings

A Place for associations and members to post Wood Drying related jobs

9 Posts
9 Topics

Last post by admin
in Boiler Utility - Pinelan...
on May 12, 2016, 02:42:54 PM

No New Posts News

Look here for industry news!

8 Posts
8 Topics

Last post by admin
in Forest Industry Recruitm...
on March 08, 2016, 10:27:05 AM

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Re: Drying 2 by GeorgeCulp
[May 24, 2016, 12:28:18 PM]

Re: Drying 2 by GeorgeCulp
[May 24, 2016, 12:19:06 PM]

Re: Lumber twists in the kiln by Joe
[May 07, 2016, 04:36:52 AM]

Re: Techniques & Procedures for the Quality Drying of Oak Lumber by admin
[May 02, 2016, 01:38:30 PM]

Re: Techniques & Procedures for the Quality Drying of Oak Lumber by Drying Protection
[April 28, 2016, 08:47:37 AM]

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