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Geeky woodworking exams – FineWoodworking

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Whether or not we’re enlisting the assistance of scientists, interval furnishings makers, or school professors, we—the editors at Fantastic Woodworking—not too long ago got here to a realization about ourselves. We type of like breaking issues.

We should prefer it; simply check out all these completely different articles the place we smash, compress, or in any other case harass completely harmless woodworking joints, simply to observe them fail. Anybody would assume we had an actual imply streak to us.

The reality is, although, that the objective is all the time the identical—higher outcomes for ourselves and for you. We would like the furnishings you make to be robust, and the joints you spend a lot time crafting to face the take a look at of time. So generally we escape the hydraulics and ask the scientists. Generally we get somewhat damaging. It is type of enjoyable, and the outcomes might be eye opening!

Joinery Shootout

We push 18 fashionable body joints to the breaking level
By Douglas Moore, Thomas McKenna #203–Jan/Feb 2009 Subject#203–Jan/Feb 2009 Subject

When designing a bit of furnishings, how do you resolve on the joinery? Likelihood is aesthetics, effectivity, and obtainable instruments issue into the choice. However so does energy. Fantastic Woodworking teamed up with a gaggle of analysis engineers to check 18 fashionable body joints and see which is strongest. We made 5 units every of 18 various kinds of joints in cherry, a species used usually by furnishings makers. The samples had been positioned in a servo-hydraulic supplies testing machine–basically a hydraulic ram hooked as much as a pc to document pressure and motion–and damaged. Which of them had been sturdiest? The outcomes will shock you.

How Sturdy is Your Glue?

We take six varieties of glue to the breaking level, shattering some frequent knowledge within the course of
By Mark Schofield #192–July/Aug 2007 Subject

Glue is so important to woodworking that there are dozens of sorts and much of competing manufacturers. There’s additionally a whole lot of “typical knowledge.” To see if that typical knowledge has any foundation, Fantastic Woodworking ran a take a look at on six frequent varieties of woodworking glue — a standard yellow glue (PVA), a Sort I waterproof PVA, a liquid disguise glue, a scorching disguise glue, a slow-set epoxy, and a polyurethane.

Ideas for Stronger Tenons

Make them greater, cut back gaps, and don’t spare the glue
By Dan Bollock #259–Jan/Feb 2017 Subject

Wooden researcher Dan Bollock broke greater than 150 mortise-and-tenon joints of various widths, lengths, and thicknesses to see precisely how measurement, match, and glue-up procedures have an effect on the energy of the joint. He discovered that width performs the most important function, however that size and thickness additionally make an enormous distinction. Not surprisingly, a joint that matches nicely is stronger. Additionally, the strongest glue bond was created by making use of glue to each the mortise and the tenon.

Get Critical About Clamping

Study the science behind clamping, for excellent glue-ups
By Roman Rabiej #194–Nov/Dec 2007 Subject

For many woodworkers, the glue-up course of is an inexact science. However for wooden technologist Roman Rabiej, judging the success and potential longevity of a glue-up is just a matter of figuring out the clamping pressure you want, selecting the proper varieties of clamp, and putting them the place they may do essentially the most good. Rabeij explains the science behind clamping in phrases that can make sure that you strategy your subsequent glue-up with confidence.

Testing Joints to the Breaking Level

Shocking outcomes floor in an evaluation of generally used furnishings joints
By Bruce Grey #148–Mar/April 2001 Subject

Utilizing the laboratory on the Wooden Science and Know-how Middle of the College of New Brunswick, Bruce Grey examined joints and talked to consultants about why joints fail. They examined conventional mortise-and-tenon joints, floating-tenon joints, biscuit joints, and dovetail joints for load, displacement, fee of failure, energy after failure, and rigidity. He explains how the samples had been ready and examined and how you can interpret the charts. The article additionally affords a information to the anatomy of the joints examined.

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