workshop practice me-110

8/8/2019 Workshop Practice Me-110

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WORKSHOP

TECHNOLOGY

ME-110



Workshop TechnologyWorkshop: Workshop is a place where different machines

and tools are placed systematically.Workshop Technology: The techniques used to study the

various equipment, machines and tools placed in theworkshop.

Book: Workshop technology by Chapman or any book on workshop

technology.

Workshop comprises of different shops like Fitting,Carpentry, Smithy, Machine shop with Lathe, Millingmachines Drilling machines, shapers etc.

Fitting Shop Carpentry Shop

Machine Shop

Smithy Shop

Electric Shop



Fitting shop

In fitting shop metal work means preparing mating parts

to join each other in such a way that they will fit and join

together.

Tools used in Fitting shop

1: Marking Tools

Steel rule, circumference rule, straight edge, flat steel

square, scriber, semi-circular protactor, divider, trammel,prick punch, tray square, bevel square, vernier protractor

etc.



Framing SquareCombination Square

SCRIBER

Scriber is used to scribe lines to indicate the dimensions of the work piece to

be filed or machined.



Vernier caliper

Is usually used to measure

items that require a closer

degree of accuracy .This tool can be used for

inside, outside and

depth measurements



Dial caliper

Is a version of a vernier caliper

that incorporates a dial for

easier reading



Micrometer

used for

measuring items

that require very

close tolerances,such as shaft

thickness and

bearing diameter.



Depth Micrometer

Used to measure hole depth,

counter-bores, and distances

from one surface to another



Feeler gauge

Is used to measureclearances, such as a

spark plug gap.

Feeler gauges can also be

used along with a straight

edge to measure surfaceirregularities.



3: Supporting tools: These are vee-block,

marking table, surface table and angle plate.

vee-block?

Vee block is a kind of equipment used

to hold circular workpieces. By

clamping the the workpiece on it we

can finder centre of the workpiece very

easily as jt has a right angle slot in it. It

can be also used for check theroundness of a circular job using a dial

indicator.



Vee block



Surface Plate

Surface plates are used most widely as a datum surface infitting shop work.

BOTTOM

Heavy

Ribs



4: Holding tools:

Vices and clamps:For holding work pieces during filing,

sawing, threading, drilling and other suchoperations. Various types of vices are used for different purposes. They include hand vice, bench

vice, leg vice, pipe vice and pin vice. The clampsare also of different types such as c or g clamp, uclamp, parallel jaw and clamping box.

Bench viceFixed jaw

Jaw Plate

Movable

jaw

Handle

Base



Handle

Spindle

Upper jaw

Lower jaw

Base

Pipe vice:-

Wing Nut Hand vice

Hand vice are used for gripping screws, rivets,

keys, small drills and other similar objects

which are too small to be conveniently held inthe bench vice. A hand vice is made in various

shape and size.

A Pipe vice is used for Holding round section of

metal, tubes and pipes.



Collet chuck

Pin vice:- The Pin vice is usedfor holding small diameter

jobs.

Toolmaker¶s vice:- The toolmaker¶s vice is used for holding small work which requires

filing or drilling and for making of small jobs on the surface plate.



5: Striking tools: Used for striking various

components.

± Soft-faced and dead-blow hammers are used

for striking soft or easily damaged surfaces.

Various types of hammers such as ball peen

hammer, straight peen hammer, cross-peen

hammer, double face hammer, soft face

hammer.



6: Cutting tools: These involve various types

of files, chisels, drills, reamers, taps, hacksaws

etc.

Files: Flat, square, round, triangular, knife,

piller, needle and mill.



File



This item is used for rough filing and when it is desired to remove

considerable metal. Double cut files have two series of diagonal

teeth, one crossing the other. Double cut files are manufactured in

flat, square, round foundry, warding and knife shaped types.

Double Cut File



Half Round File

This item is used on metal and wood for concave circular surfaces, and

inside large holes. It is manufactured in bastard, second cut and smooth

teeth and is 5 to 16 inches long.



Round File

This item is used for wood and metal working. It is made in bastard, taper and

double cut, second double cut and a special coarse cut for woodworking. It is

available 4 to 16 inches long and 3/16 to ¾ inches in diameter.



Single Cut File

This item is used to produce a smooth surface or keen edges on tools and

implements. It is used with pressure on the outward motion. It has a single

ser ies of teeth and is made in bastard cut, second cut and smooth type

teeth.



Chisel



7: Tightening Tools:

Pliers: Ordinary, needle nose and special type.



Wrench: Open single ended, open double ended,

closed ended adjustable, ring spanner, t-socket, boxwrench, pipe wrench and allen wrench etc.



Allen WrenchesSocket

Wrenches

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