'Recognizing the need is the primary condition for design.'

Charles Eames

'To design is to communicate clearly by whatever means you can control or master.'
Milton Glaser

Welding Technology

This section of the website covers a number of essential elements that need to be considered and understood inorder to complete your welding module. 

 

LA A - Properties and behaviours of welded materials

 

LA B - Examine weldable materials and thier behaviour during the welding process

 

LA C - Carry out practical welding skills safety to join metallic materials togeather

Examplar of student work at Distinction level LA A Unit 13
Please review this document and use it as an example of what is expected for a level 3 Distinction grade
Welding assignment Examplar.pdf
Adobe Acrobat document [579.8 KB]

Destructive and non-destructive weld testing

When testing welded materials for defects there are two main types of test that can be carried out. Destructive (breaking the weld appart) and Non-Destructive (not breaking the weld appart) 

 

Below is a short description of some of the available techniques. 

Learning aim A assignment brief

Unit-13-Authorised-Assignment-Brief-for-[...]
Microsoft Word document [78.2 KB]

Above are two examples of welding applications for you to use in your writeup for LA A. 

 

1: Tig welded titanium bike frame

2: Mig welded lap joins for a leg housing / retainer

Student work examplar LA A Unit 13

Welding differnet materials write up exa[...]
Microsoft Word document [69.0 KB]

Learning aim B assignment brief

Unit-13-Authorised-Assignment-Brief-for-[...]
Microsoft Word document [77.6 KB]

Student work examplar LA B Unit 13

Common defects in welding:

Resistance welding


Resistance welding is conducted as follows: 

 

Apply force and current through electrodes in contact with metal parts to be welded; resistance heat is generated at the interface of metal parts and makes a nugget, resulting in melt joint. 

 

Though a large current flows, there is no danger of an electric shock because only low voltage is impressed.

 

  1. BS1140: - British Standard specification for Resistance spot welding of uncoated and coated low carbon steel.
  2. ISO 10447: - Welding - Peel and chisel testing of resistance spot, projection and seam welds.

 

Key points about resistance welding.docx
Microsoft Word document [13.4 KB]

Types of welding

Arc welding write up example - arc.docx
Microsoft Word document [33.7 KB]
Mig weld write up example.docx
Microsoft Word document [82.4 KB]

Below is a short description for each type of welding used in industry

Learning aim C assignment brief

Unit-13-Authorised-Assignment-Brief-for-[...]
Microsoft Word document [78.7 KB]

Student examplars LA C Unit 13

Below are a range of supporting documents to help you complete your welding assignments. 

Arc welding safety document
Please download this and use it to find out more about safety when Arc welding
Welding safety.pdf
Adobe Acrobat document [5.2 MB]
Arc welding safety presentation
Download and review this document for the main points re: safety when Arc welding
safety-arcwelding.ppt
Microsoft Power Point presentation [682.0 KB]
Welding power supply types
Information containing types of power supply needed for types of welding
Welding power supplies.pptx
Microsoft Power Point presentation [236.9 KB]
Small TIG getting started document
When referring to this guide please be aware that your machine may be of a different type so pay attention to any differences the specific machine you are working on may have
ESAB Buddy 160 TIG (MMA) Get Started.doc[...]
Microsoft Word document [1'018.8 KB]
Small MIG Getting started document
When referring to this guide please be ware that your machine may be different of a different type so pay attention to any differences the specific machine you are working on may have
ESAB Caddy 160i MIG Get Started.docx
Microsoft Word document [1.0 MB]
Arc welding steels metalurgy
Please use this to find out more about the issues and effects of welding on steels
Arc welding steels metallurgy PWHT etc.p[...]
Adobe Acrobat document [18.0 MB]
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© Julian Kupper