Micrometer calliper

Micrometer caliper micrometer caliper using a calibrated for measurement, rather than a slide, is called a micrometer caliper or, more often, simply a micrometer. (Sometimes the term caliper, referring to any other type in this article, is held in contradistinction to micrometer.)

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Vernier Calliper

vernier calliper is a  measuring tool.  Vernier calliper (British spelling also calliper, or in plurale tantum sense a pair of calipers) is a device . A caliper can be as simple as a compass with inward or outward-facing points. The tips of the caliper are adjusted to fit across the points to be measured, the caliper is then removed and the distance read by measuring between the tips with a measuring tool, such as a ruler.

Parts of a vernier caliper:

1. Outside large jaws: used to measure external diameter or width of an object
2. Inside small jaws: used to measure internal diameter of an object
3. Depth probe: used to measure depths of an object or a hole
4. Main scale: scale marked every mm
5. Main scale: scale marked in inches and fractions
6. Vernier scale gives interpolated measurements to 0.1 mm or better
7. Vernier scale gives interpolated measurements in fractions of an inch
8. Retainer: used to block movable part to allow the easy transferring of a measurement

 

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Engineering Drawing

Engineering Drawing – Every first year engineering student will face enough troublesome subjects and Engineering Drawing is one of the toughest. It is very obvious to have a sound knowledge of drawing for an engineering student of any branch. Technical drawing subject does not only teach students on how to draw lines and points but it is a perfect source of communication between engineer and construction sheet to make innovative designs for better future. Engineering Drawings are those drawings that found very helpful to many industries to make their productive layout on sheet of paper to get higher productivity. Students should know the drawing fundamentals, abbreviations and symbols if they wish to:

• Design any part of machinery,
• Make changes in existing mechanical drawing,
• Sketch the invention on paper,
• Follow a certain technical field.

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Tools and die Maker

Tool and die maker. Not to be confused with tap and die. Tool and die makers are a class of machinists in the manufacturing industries who make jigs, fixtures, dies, molds, machine tools, cutting tools, gauges, and other tools used in manufacturing processes.

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