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assignment on carpentry and answer about the asked questions
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NAME – Sankalp Kanikar Branch - ECE (div.1) Roll no. – 35 Subject – workshop technology Assignment 1 – carpentry Q.1 what is meant by seasoning of woods? Explain any one method of seasoning. Answer: - seasoning is the process of drying timber to remove the bound moisture
contained in walls of the wood cells to produce seasoned timber. Seasoning can be achieved in number of ways, but the aim is to remove water at a uniform rate through the piece to prevent damage to the wood during drying (seasoning degrade). Seasoning is done to make timber fit for painting and polishing, to reduce risk of fungal and insect attack, to make wood secure for proper penetration of preservatives. Method of seasoning :- Kiln Seasoning: In case of kiln seasoning, steam is used as the source of heat, and the heated air is directed through a chamber containing the pile of timber. The air is made artificially humid; according to the stage of drying by means of steam or water
be easily regulated by shutting or opening the valve.
advantage is that the mitered butt joint will not show any end grain, and as such is a bit more aesthetically pleasing. However, the mitered butt joint isn't all that strong.
joints. There are a number of projects where this type of wood joint is quite desirable, in spite of its drawbacks.
Another common wood joint used in cabinetry is the rabbet. A rabbet is essentially a dado cut along the edge of a board. Rabbets are often used at the back of cabinets and other similar assemblies for attaching the back to the sides of the box, adding a considerable amount of strength to the assembly. Learn how to cut clean rabbets and when to use them.
A dado is nothing more than a square- grooved slot on one board where another board will fit. Similar to tongue and groove joinery, this is a commonly- used wood joint for connecting plywood, such as building cabinetry. Learn how to properly cut a dado, and when to use one.
clearance around the teeth and a smoother, more efficient cutting motion.
Plastic measuring tapes are cheap and simple but tend to stretch and lose accuracy over time. Go for a metal measuring tape, preferably a retractable model that’s good for measuring larger pieces of uncut lumber.
A wooden mallet is complementary to a chisel set, allowing you to precisely drive the sharp heads into your workpiece. Rubber mallets are useful in putting together joints and will not damage wood when tapped with light to medium force.
Designed with thin blades and finely set teeth, backsaws are the detail-oriented companion to the handsaw. Supported by a heavy strip of brass or steel over the top of the blade, they excel at detail work and can be used to cut mortise and Tenon or dovetail joints.
rabbet and block planes are reserved for more specialized angled work.
