2e1b Stud Welding.ppt

7/21/2019 2e1b Stud Welding.ppt

http://slidepdf.com/reader/full/2e1b-stud-weldingppt 1/16

Capacitor Discharge Welding

Percussion Welding

Magnetic Force (AC)

Stud Welding



Stud Welding

Lesson Objectives

When you finish this lesson you will

understand:• The three methods of stud welding• Typical Applications of this process

Learning Activities

1. View Slides;2. ead !otes"

#. $isten to lecture

%. &o on'line

wor()oo(

e!"ords

Stud Welding" *apacitor &ischarge" +nitial *ontact ,ethod"

+nitial -ap ,ethod" &rawn Arc ,ethod

http://we019.eng.ohio-state.edu/wenc/wenc.cfm

http://www-iwse.eng.ohio-state.edu/we602A/workbook.htm



#ariations o$ Capacitor Discharge Stud Welding

%nitial Contact Method

%nitial &ap Method

Dra"n Arc Method

AWS Welding 'andboo



%nitial Contact Methodis used onl! "ith portable uip*ent+ principall! $or

"elding *ild steel studs, -uip*ent si*plicit! *aes it

ideal $or "elding *ild steel insulation pins to galvani.ed

duct "or,

%nitial &ap Methodis used "ith portable and $i/ed euip*ent $or "elding *ild

steel+ stainless steel+ and alu*inu*, &enerall!+ it is

superior to both the dra"n arc and initial contact *ethods

$or "elding dissi*ilar *etals and alu*inu*, %nert gas is

not needed $or "elding alu*inu*,

Dra"n Arc Methodis ideall! suited $or high speed production applications

involving auto*atic $eed s!ste*s "ith either portable

euip*ent or $i/ed position, %nert gas is reuired $oralu*inu*, AWS Welding 'andboo



0!pical

Para*eters

For the 0hree

#ariations

AWS Welding 'andboo

Pea Welding Currents

#ar! $ro*

122 3 42+222 a*ps

Dra"n Arc has lo"er

pea current 3 longer ti*e



AWS Welding 'andboo


http://slidepdf.com/reader/full/2e1b-stud-weldingppt 7/16AWS Welding 'andboo


http://slidepdf.com/reader/full/2e1b-stud-weldingppt 8/16Metals 'andboo+ ASM+ 5678



,ost often

used" easily

machined

sed for critical

applications and

nonflanged Aluminum

sed for &rawn

Arc. Slightly pointed

to facilitate arc start

Flange


http://slidepdf.com/reader/full/2e1b-stud-weldingppt 13/16Metals 'andboo+ ASM+ 5678Spring Loaded 'and &un


http://slidepdf.com/reader/full/2e1b-stud-weldingppt 15/16Metals 'andboo+ ASM+ 5678&ravit! Drop


http://slidepdf.com/reader/full/2e1b-stud-weldingppt 16/16M t l ' db ASM 5678

With Detergent Spra! Without Detergent Spra!

Automated +nitial -ap ,achines often ha/e a detergent spray

)etween gap )efore welding to reduce weld spatter.

2e1b Stud Welding.ppt

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