Advanced Tool Design

7/27/2019 Advanced Tool Design

1/21

GAUGES

PRESENT BY

T.RAJKUMAR.,B.E

M.E(Engineering Design)

PSNA CET


2/21

DEFINITION

Gauging is defined as a process of

measuring manufacturing materials to

assure the specified uniformity of size .


3/21

TYPES OF GAUGES

1. Fixed gauges It is most common and areused for both large and small production.

2. Indicating gauges It is comparativelycomplex.

3. Combination gauges It is special devices to

check more than one dimension of work piece ata given setup.


4/21

FIXED GAUGES

Used for inspection purposes

Provide quick means of checking specific

dimension Easy to use and accurately finished to required

tolerance

Master gauges are usually designed and

manufacturing by companies specializing in

this type of product.


5/21

TYPES OF IXED GAUGES

1. Ring gauges 8. Thread gauges

2. Receiving gauges 9. Form gauges

3. Plug gauges 10. template gauges

4. Pin gauges 11. Go-not-go gauges

5. Snap gauges 12. Dovetail gauges6. Length gauges 13. Taper gauges

7. Flush-pin gauges


6/21

1. RING GAUGES

Ring gauges are used to measure cylindrical

surface, taper on shafts, and similar work piece as well as

external threads.

2. RECEIVING GAUGES

These are similar to gages but are used to

verify the specified uniformity of size and noncircular

holes.


7/21

3. PLUG GAuGES

Used for checking inside diameter

of straight hole (generally "go"and "no-go" variety)

Consists of handle and plug on

each end ground and/or lapped

to specific size

Small-diameter plug ("go" gauge)

checks lower limit of hole

Larger-diameter plug checks upperlimit


8/21

4. PIN GAUGES

Pin gauges are also used to

measure the width of slots or grooves.

The pin gauges some time called width

gages.

5. LENGTH GAUGES

The length gauges is special

gauge design to check a work piece forlength quickly.


9/21

6. SNAP GAUGES

One of most common types of comparative measuring

instruments

Faster to use than micrometers

Used to check diameters within certain limits by comparing

part size to preset dimension of snap gage Have C-shaped frame with adjustable gaging anvils or rolls

set to"goand"no-go limits of the part.


10/21

7.FLUSH PIN GAUGES

It is used to gauging the depth of

slots.

Flush pin gauges are not listed as

standard in manufactures. It is also

called as feeler pin gauges.

8. THREAD GAUGES

It is used to measure the threads inthreaded components.

9 FORM GAUGES


11/21

9. FORM GAUGES

This is specially design to check the form of work

piece.

Typically the form gauges used to check a cuttingtool.

10. TEMPLATE GAUGES

These are similar to form gauge but are designed

to check the position and dimensions of a two

adjustment surface.

It is also designed to check two shoulders of shafts

and designed to check the way of a machine tool.


12/21

11. GO-NOT-GO GAUGES

Twin gauges measuring the maximum and minimum limits

of a work piece are called go-not-go gauges.

12. DOVETAI L GAUGES

Dovetail gauges used to measure v slides are .

It is impossible to ensure two mating surface by checkingthe dimensions from edge to edge.

13. TAPER GAUGES

Tapered holes are commonly checked by tapered plug

gauges.

Tapered shafts and tapered plug gauges can be checked by

means of sine bar.


13/21

GAUGE TOLERANCE


14/21

METHOD OF ALLOCATION GAUGE

TOLERANCE


15/21

INDICATING GAUGES

1.INDICATOR DEPTH GAUGE


16/21

2. DIAL GAUGE


17/21

3. INDICATING PARALLEL GAUGE

4. PNEUMATIC GAUGE


18/21

5. FLOW TYPE AIR GAUGE


19/21

6. BACK PRESSURE AIR GAUGE

7 ELECTRIC NAGNIFIER


20/21

7. ELECTRIC NAGNIFIER


21/21

Advanced Tool Design

Documents

Transcript of Advanced Tool Design