Increment borer
An increment borer is a specialized tool used to extract a section of wood tissue from a living
Use
Effective use of an increment borer requires specialized training. Samples are taken at breast height or stump height of the tree trunk, depending on the user's objectives; during use the borer should be well lubricated, thus making it easier to use and preventing it from becoming stuck in the wood.
Maintenance
As with any other tools, increment borers should be properly maintained to keep them in good working condition; should be thoroughly cleaned after each use and dried before storing. Sharpening kits are available and should be used regularly, before such bits become dull.
Types
Increment borers come in different lengths and diameters and have different types of
References
- ^ Grissino-Mayer, H.D. (2003). "A manual and tutorial for the proper use of an increment borer". Tree-Ring Research. 59: 63–79.
- ^ Maeglin, Robert R. (1979). "Increment Cores: How to Collect, Handle, and Use Them" (PDF). US Forest Service General Technical Report FPL 25. Retrieved June 26, 2021.
Increment borers, also known as Pressler borers or Swedish-increment borers, are available commercially in various lengths from 57 mm (2.25 in.) to 508 mm (20 in.) and in various diameters from 3.8 mm (0.150 in.) to 12 mm (0.472 in.). Increment borers are available through forestry and agricultural supply houses.
- ^ "Increment Borers | Haglöf Sweden AB".
External links
- Media related to Pressler drill at Wikimedia Commons
- Increment borer, Virginia Tech