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Jet Machining Jet Machining

Copyright, 1999 © Yaseen Mahmud &Associates, Inc.

Consisting of:Consisting of:

!uid Jet Machining!uid Jet Machining

A"rasi#e Jet MachiningA"rasi#e Jet MachiningAir"rasi#e Jet MachiningAir"rasi#e Jet Machining

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,

Air"rasi#e Jet MachiningAir"rasi#e Jet Machining

$ A!so ca!!ed Micro%!ast Machining is aprocess using:

'igh pressure air (ith )ne po(der, "!ended

together to form an a"rasi#e mi*ture. +his mi*ture is sent through a sma!!, precise!ymachined no !e.

+he resu!t is a high!y accurate a"rasi#e stream

used for c!eaning, cutting, dri!!ing, de"urring.

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Air"rasi#e Jet MachiningAir"rasi#e Jet Machining

$ Air"rasi#e Machines aree*treme!y #ersati!e and

ha#e !imit!essapp!ications. +hey ha#ethe po(er to cut and dri!!materia!s as hard asdiamonds as (e!! as theprecision of de!icateitems !i-e fa"ric andpaper.

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!uid Jet Machining!uid Jet Machining$ ater/0et machining

It is manufacturingthrough the use of high!y

pressuri ed !i uid, forcedthrough a no !e andused as the cutting too!.

+he ori)ce can rangefrom 2 to 34 thousandthof an inch.

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$ ater/0et machining

ater is most common !i uid, ho(e#era!coho!,oi!, or g!ycero! may "e used

ater 0ets machining has "een in use since1954.

$ ater 0ets ha#e many app!icationsranging from cutting stee!s to sheets of candy6using a sugar (ater or syrup for cutting7.

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!uid Jet Machining!uid Jet Machining $ 8ome e*amp!es are:

ic-e! a!!oys, +itanium, too! stee!s,g!ass, mar"!e, "rass,copper, (ood,ru""er, paper andp!astics.

+he cutting thic-nessis norma!!y for anysi e under ;.

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$ Ad#antages of(ater/0et machining

+he (ater streamma-es #ery !itt!enoise.

Chips or (aste is

mo#ed out of the(ay of the cuttingprocess.

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$ Ad#antages of (ater/0et machining +here are no "its or too!s touching the materia!

surface, thus there is no too!rep!acement costs.

?/4.414;.

@o( !e#e! of mechanica! stress 6!ess than apound7 p!aced on the (or- piece pre#entingdamage and deformations.

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mni/directiona!cutting capa"i!itiesa!!o( the cutting ofintricate shapes andcur#es not possi"!e(ith con#entiona!cutting too!s.

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Bspecia!!y suited forshort run production"ecause there areno too!ing e*penses.

+here are no heata ected one=s.

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A"rasi#e Jet MachiningA"rasi#e Jet Machining

$ A"rasi#es, such asgarnet, diamond orpo(ders, can "emi*ed into the(ater to ma-e as!urry (ith "ettercutting propertiesthan straight(ater.

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A"rasi#e Jet MachiningA"rasi#e Jet Machining

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Advantages of Abrasive Jets Advantages of Abrasive Jets

• Quality finish Materials cut by the abrasive jet have asmooth, satin-like finish, similar to a finesandblasted finish.

• Minimal burr No heavy burrs are produced by the abrasive

jet process. arts can often be used directly!ithout deburring

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Advantages of Abrasive Jets Advantages of Abrasive Jets

over "ater Jetsover "ater Jets• Increased Accuracy

#ompared to the!ater jet $.$%$&,abrasive jets averagefrom $.$$ '&.

• (n this e)ample, the!all are a $.$*'!afer thin.

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+ersatile Machining

• #uts in !ood

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+ersatile Machining

• tching- using arapid feed rate.

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#onclusion

• Jet Machining is theright choice of toolsfor /eat-sensitive or

0rittle materials

1lass

• #omposites andNonmetals

• 0urrless Applications

• roduce long tapered!alls in deep cuts

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