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Introduction to Soldering Introduction to Soldering

Introduction to Soldering - PowerPoint Presentation

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Introduction to Soldering - PPT Presentation

ENGR 1101 Introduction to Engineering ECE Deparment Fall 2012 Dr John J Helferty Basic Tools Materials and Procedure of Hand Soldering Basic Elements of Hand Soldering Temperature controlled Soldering Iron with stand and sponge ID: 406752

solder soldering iron joint soldering solder joint iron pcb basic wire circuit free join traces introduction black wet conductive

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Slide1

Introduction to Soldering

ENGR 1101 – Introduction to EngineeringECE Deparment – Fall 2012Dr. John J. HelfertySlide2

Basic Tools, Materials and Procedure of Hand Soldering

Basic Elements of Hand

Soldering:

Temperature controlled Soldering Iron with stand and sponge

Solder Material

(will be provided by TAs)

Turn on the Soldering Iron and wait for the iron to heat up (Medium setting will be fine)

Make sure your

sponge is wet

!Slide3

What is Soldering?

The process of making an electrical connection by melting low-temperature metal alloys around component

leadsSoldering is just as much an “Art” as it is a “Science

”We will:Go over some soldering vocabulary

Illustrate graphically soldering techniques

Show how to create a “perfect” solder joint

Begin the Hovercraft Construction (ECE section)Slide4

Basic Procedures for Soldering:

Put two target objects (to be soldered) together

Pre-heat the joint area with soldering iron

Apply solder at the joint and remove when sufficient solder has flowed down to the joint

Remove solder wire and then soldering iron, and allow the joint to cool down

Clean the surfaces to be soldered (dirt free, grease free and oxide-free)

Wet the joint area with flux, if needed Slide5

Basic Procedures for Soldering:

Touch the tip to the component lead

AND

the pad

Apply just enough heat

TLAR (

T

hat

L

ooks

A

bout

R

ight)

Your join should look something like this one.

You should only need a small amount of solder for each

joint.Slide6

Good and Bad Attempts:

GOOD:

The join is complete and will hold in place.

BAD:

Not enough solder applied. No join.Slide7

The PCB (Printed Circuit Board)

A PCB (Printed Circuit Board) is used to mechanically support and electrically connect electronic components using

conductive pathways, tracks or signal traces etched

from copper sheets laminated

onto a non-conductive

substrate.

Think of it as a breadboard, in which the traces are already mapped out. Slide8

Here’s our PCB:Slide9

Components for Soldering:Slide10

PCB Schematic

Please Note:

Barrel Plug:

Solid Black Wire is GND

Striped Black Wire is +12V

Slide11

Safety Concerns:

Don’t solder while

circuit is poweredUse well ventilated and lighted work spaceDon’t touch the solder tip – it’s hot (dahhh

)Watch for flying leads when clipping excessSlide12

Any

Questions?