INSPECTION 1. An inspection is the process of examining an object for verification of quality. 2. It is also defined as the process of comparing the quality.

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Presentation transcript:

INSPECTION 1. An inspection is the process of examining an object for verification of quality. 2. It is also defined as the process of comparing the quality characteristics of the product with the standards Types of Inspection : Receiving inspection In-process inspection Final inspection Remedial inspection Centralised inspection 6) Preventive Inspection

Planning of Inspection

Units of Measurement 1.Length:-Metre 2.Mass:-Kilogram 3.Time:-Second 4.Electric Current:-Ampere 5.Temperature:-Kelvin 6.Luminous Intensity:-Candela 7.Matter:-Mole

INTERCHANGEABILITY An interchangeable part is one which can be substituted for similar part manufactured to the same drawing. TYPES OF INTERCHANGEABILITY: UNIVERSAL INTERCHANGEABILITY. SELECTIVE ASSEMBLY.

STANDARDS OF MEASUREMENTS PRIMARY STANDARDS. SECONDARY STANDARDS. TERTIARY STANDARDS. WORKING STANDARDS

Standards of Measurement A Standard is defined as something which is setup and established by authority, as a rule for the measurement of physical quantity or property. The various standards are:- 1.Line Standard 2.End Standard 3.Wavelength Standard

Factors affecting Quality of Manufacture

Slip Gauge

Wringing of Slip Gauges

Removing of Assembly of Slip Gauges

Calipers A caliper is a device used to measure the distance between two opposite sides of an object. 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.

Types of Callipers Odd-leg Calliper Inside Calliper Transfer Calliper

Micrometers A micrometer sometimes known as a micrometer screw gauge, is a device incorporating a screw widely used for precise calibrated measurement of components in along with other metrological instruments such as dial , vernier.

Dial Indicator A dial test indicator, also known as a lever arm test indicator or fingerindicator, has a smaller measuring range than a standard dial indicator. Types:- 1.Probe Indicator 2.Dial Test Indicator 3.Test Indicator 4.Digital Indicator

Main parts of Vernier calliper

Main parts of a Micrometer

Main parts of a Dial Gauge

Measure of Angle with a Clinometer

Radius Gauge

Feeler Gauge