Technical Drawing Instruments, Materials and Equipment

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Technical Drawing Instruments, Materials and Equipment.

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Introduction. Technical drawing tools relate to the production of drawing because it helps build the creation you are focusing on constructing. Technical drawing tools help with shape, structure and design of your model and your actual creation. In this presentation slide , it contains the function and description of Drawing instruments, Materials and Equipment..

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Drawing Instruments and Materials. T square A T-square is a T-shaped ruler, technical drawing instrument used by draftsmen primarily as a guide for drawing horizontal lines on a drafting table. It may also guide a set square to draw vertical or diagonal lines. ... T-squares are also used to measure and cut drywall. Set Square A set square or triangle is an object usually plastic or metal device that is shaped like a triangle used in engineering and technical drawing, with the aim of providing a straightedge at a right angle or other particular planar angle to a baseline. More commonly the set square bears the markings of a ruler and a half circle protractor..

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Drawing instruments and materials. Pencils HB pencil The letter “H” is used to indicate the hardness of a pencil's mark. The letter “B” is used to indicate the blackness of a pencil's mark (a darker mark means a softer lead). For simple sketching, the HB pencil is probably the most popular, with artists also favoring the H and the B pencils. 2H pencil The 2H pencils have a hard lead, which means they are lighter in shade. Also, these pencils are made up of large amounts of clay that creates a very light line density while writing, and doesn't even leave a mark on the paper. They are used for technical applications such as engineering and drafting, etc..

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Drawing instruments and materials. Eraser Being softer and non-abrasive, they are less likely to damage canvas or paper. Engineers favor this type of eraser for work on technical drawings due to their gentleness on paper with less smearing to surrounding areas. They often come in white and can be found in a variety of shapes. Eraser Shield A thin plate (as of metal or celluloid) with holes usually of several sizes used to confine an erasure to a limited area. They are designed to allow erasers to be used through them to erase lines and text without removing lines close by which do not need to be (or should not be) erased..

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Drawing instruments and materials. Compass A technical drawing tool named drawing compass is used to draw circles or arcs. This tool is also known as a pair of compasses, or simply as a compass. It can also be used for measuring distances or more precisely distances on the maps. ... Materials of which compasses are made are usually plastic or metal. Divider divider, instrument for measuring, transferring, or marking off distances, consisting of two straight adjustable legs hinged together and ending in sharp points..

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Drawing instruments and material. Scale Ruler A scale ruler is a tool for measuring lengths and transferring measurements at a fixed ratio of length; two common examples are an architect's scale and engineer's scale.A device for drawing straight lines is a straight edge or ruler. The triangle shape, lettered A, is commonly used in Engineer's Scale and Architect's Scale. Protractor A protractor is a measuring instrument, typically made of transparent plastic or glass, for measuring angles..

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Drawing instruments and materials. French curves A French curve is a template usually made from metal, wood or plastic composed of many different segments of the Euler spiral (aka the clothoid curve). It is used in manual drafting and in fashion design to draw smooth curves of varying radii. Dusting Cloth The dusting cloth of the aforesaid duster picks up dust in two ways. One way is for the fibrous structures of the pile layer to collect dust, and the other way is for the positive charges on the pile layer to attract negatively charged dust..

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Drawng Instruments and materials. Drafting Paper Drafting paper is specially prepared for drawing on with pencils and pens. The paper is smooth, erasable and made from different materials including vellum and film. ... It is chemically matted to accept pencil or ink. Drafting Paper Sizes ARCH A - 9 x 12 inches (228.6 x 304.8 millimeters) ARCH B - 12 x 18 inches (304.8 x 457.2 millimeters) ARCH C - 18 x 24 inches (457.2 x 609.6 millimeters) ARCH D - 24 x 36 inches (609.6 x 914.4 millimeters).

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Drawing instruments and materials. Drawing Board Drawing boards are scaled plastic boards designed specifically for technical drawing. They are used to draw parallel lines easily and precisely. Drafting Machine A drafting machine is a tool used in technical drawing, consisting of a pair of scales mounted to form a right angle on an articulated protractor head that allows an angular rotation..

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Drawing Equipment. Personal Computer Personal computers can be generally classified by size and case. The case is the metal frame that serves as the structural support for the electronic components. Every computer system requires at least one case to house the circuit boards and wiring. It also contains slots for expansion boards. Plotter Plotters A plotter can be used to produce high quality, accurate, A3 size or bigger drawings. They are usually used for Computer Aided Design (CAD) and Computer Aided Manufacture (CAM) applications, such as printing out plans for houses or car parts. Printer A technical printer is often the preferred solution when it comes to printing technical drawings, where its high-resolution images are a major factor. In order to achieve their fine line detail, plotters use vector format in which images are created with lines..

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Bibliography. Technical drawing Tools, ,28 September 2021 J.S Staedtler , October 3, 1835 Edisco Editore (date and author unknown)