Technical Definition and Description Writing

Technical  Writing  Skills

>Technical writing is a type of writing where the author is writing about a particular subject that requires direction, instruction, or implications

> The style of writing has a very different purpose and different characteristics than other writing styles such as creative writing, academic writing, or business writing 

>The technical writing skill needs to write in a clear and concise manner and to be able to convey information approximately for a variety of audiences

>The importance and scope of technical writing in English serves as an essential tool in communication for conveying one's ideas, views, observations, instructions, and suggestions in a more logical and technical manner 

>Technical writing is used in a wide variety of fields such as Engineering, Computer; hardware and software, chemistry and chemical, biological you can also find everyday examples of technical writing in one's normal employees' book and in articles of the web

Technical definition and description

A technical description is text that describes an object or process in terms of its function, organization, parts and details.            A technical description can be used alone (e.g., a specification) or as part of a larger document (e.g., a proposal). Often technical documents contain several technical descriptions.

 Overview

Technical professionals are often required to define or describe a technical object, concept, or process to someone who has little knowledge or experience with it. For example, an engineering firm might write a proposal to bid on a contract to develop a helicopter for the Defense Department; one section of the proposal would be a detailed description of the product the company proposes to develop. Technical descriptions are used before products and processes are developed (as part of proposals and planning documents), during development (in progress reports, for instance), and afterwards (as part of marketing and promotional literature and technical support documents).

What is a description and why is it used for in technical writing?

Technical writers, , prepare instruction manuals, journal articles, and other supporting documents to communicate complex and technical information more easily. They also develop, gather, and disseminate technical information among customers, designers, and manufacturers.

 EXAMPLE- 1: Write Technical Description of Lathe Machine

 1.  Introduction

 A lathe is a tool that rotates the workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, or deformation, facing, turning, with tools that are applied to the workpiece to create an object with symmetry about that axis.

A lathe machine is a machine tool which is used to remove metals from a worK piece to give a desired shape and size. In other words it is a machine that is used to hold the workpiece to perform various metal removing operations such as turning, grooving, chamfering, knurling, facing, forming etc with the help of tools.

 2.  Parts of Lathe Machine:

•  Bed. It is the main body of the machine. ...

•   Tool post. It is bolted on the carriage. ...

•    Chuck. Chuck is used to hold the workspace. ...

•    Head stock. Head stock is the main body parts which are placed at left side of bed. ...

•    Tail stock. Tail stock situated on bed. ...

•     Lead screw. ...

•           Legs. ... AND *Carriage

 4. Diagram

 3. Working principle of lathe machine

 Working Principle: The lathe is a machine tool which holds the workpiece between two rigid and strong supports called centers or in a chuck or face plate which revolves. The cutting tool is rigidly held and supported in a tool post which is fed against the revolving work

The normal cutting operations are performed with the cutting tool fed either parallel or at right angles to the axis of the work : -

1. Bed: The bed is a heavy, rugged casting in which are mounted the working parts of the lathe. It carries the headstock and tail stock for supporting the workpiece and provides a base for the movement of carriage assembly which carries the tool.

2.  Legs: The legs carry the entire load of machine and are firmly secured to floor by foundation bolts.

 3.  Headstock: The headstock is clamped on the left hand side of the bed and it serves as housing for the driving pulleys, back gears, headstock spindle, live centre and the feed reverse gear. The headstock spindle is a hollow cylindrical shaft that provides a drive from the motor to work holding devices.

4.  Gear Box: The quick-change gear-box is placed below the headstock and contains a number of different sized gears.

 5.  Carriage: The carriage is located between the headstock and tailstock and serves the purpose of supporting, guiding and feeding the tool against the job during operation. The main parts of carriage are:

 a).  The saddle is an H-shaped casting mounted on the top of lathe ways. It provides support to cross-slide, compound rest and tool post.

 b).  The cross slide is mounted on the top of saddle, and it provides a mounted or automatic cross movement for the cutting tool.

 c).  The compound rest is fitted on the top of cross slide and is used to support the tool post and the cutting tool.

 d).  The tool post is mounted on the compound rest, and it rigidly clamps the cutting tool or tool holder at the proper height relative to the work centre line.

 e).   The apron is fastened to the saddle and it houses the gears, clutches and levers required to move the carriage or cross slide. The engagement of split nut lever and the automatic feed lever at the same time is prevented she carriage along the lathe bed.

6.   Tailstock: The tailstock is a movable casting located opposite the headstock on the ways of the bed. The tailstock can slide along the bed to accommodate different lengths of workpiece between the centers. A tailstock clamp is provided to lock the tailstock at any desired position. The tailstock spindle has an internal taper to hold the dead centre and the tapered shank tools such as reamers and drills.

 EXAMPLE - 2. Write Technical Description of Solar Cooker

 1.  Introduction

A solar cooker is a device which uses the energy of direct sunlight to heat, cook . Many solar cookers currently in use are relatively inexpensive, low-tech devices, although some are as powerful or as expensive as traditional stoves and advanced, large-scale solar cookers can cook for hundreds of people. Because they use no fuel and cost nothing to operate, many nonprofit organizations are promoting their use worldwide in order to help reduce fuel costs (especially where monetary reciprocity is low) and air pollution, and to slow down the deforestation caused by gathering firewood for cooking. Solar cooking is a form of outdoor cooking and is often used in situations where minimal fuel consumption is important, or the danger of accidental fires is high, and the health and environmental consequences of alternatives are severe.

 2.  Working function

 Solar cooking is done by means of the suns UV rays. A solar cooker lets the UV light rays in and then converts them to longer infrared light rays that cannot escape. Infrared radiation has the right energy to make the water, fat and protein molecules in food vibrate vigorously and heat up.

 It is not the sun’s heat that cooks the food, nor is it the outside ambient temperature, though this can somewhat affect the rate or time required to cook, but rather it is the suns rays that are converted to heat energy that cook the food; and this heat energy is then retained by the pot and the food by the means of a covering or lid. This occurs in much the same way that a greenhouse retains heat or a car with its windows rolled up. An effective solar cooker will use the energy of the sun to heat a cooking vessel and efficiently retain the energy (heat) for maximum cooking effectiveness.

3. PARTS:---

1. Solar box  2. Reflective glass 3.Internal boxes

4. Diagram

ADVANTAGES OF SOLAR COOKER

1. The biggest advantage of solar cookers is their eco-friendliness

2. Solar cooking is free once you have the cooker itself. To operate one, all you need is sunlight, so you can save a significant amount of money over the long term.

3. The quality of food cooked in a solar cooker is also notable

 DRAWBACK OF SOLAR COOKER

 1. Cooking with solar cookers obviously requires sunlight, which makes it difficult to use during winter months and on rainy days

 2.  Cooking also takes a significantly longer time compared to conventional methods.

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