What is Welding in Metal Fabrication: Process Differences

What is Welding in Metal Fabrication? Process Differences & Guide | Tong Lay Doo
Technical Guide

Welding vs. Metal Fabrication

Understanding the crucial differences between the holistic process and the joining technique.

The Core Difference

Metal Fabrication is the "Whole", while Welding is a "Part".

Metal Fabrication is the broad process of manufacturing metal goods—covering design, cutting, forming, and assembly.

Welding, on the other hand, is a specific technique within fabrication used to join two metal pieces using heat and pressure. While many fabrication projects involve welding, fabrication can exist without it (e.g., stamping or bending parts).

Key Takeaway:

  • Fabrication = The entire journey (Design to Finish).
  • Welding = The joining method (Heat & Pressure).

Fabrication Includes:

  • • Cutting (Laser, Shearing)
  • • Machining
  • • Casting & Stamping
  • • Bending & Forming
  • • Welding

Welding Focuses On:

  • • Fusion of Materials
  • • Applying Heat/Pressure
  • • Using Fillers
  • • Creating Structural Bonds
  • • Sealing Joints

The Metal Fabrication Journey

How a project moves from concept to final product.

STEP 1

Quote & Assess

Analyzing project details, quantity, and purpose. We evaluate in-house capabilities to ensure efficiency.

STEP 2

Prototyping

Creating a visualization model to refine the project. Essential for testing real-world demands before mass production.

STEP 3

Tooling

Shaping raw materials. Cutting metals to required sizes using laser cutting or shearing based on specifications.

STEP 4

Production (Welding)

Assembly and final joining. This is where welders play a crucial role in bonding components into the final product.

Common Welding Techniques

TIG Welding

Tungsten Inert Gas

Uses a non-consumable tungsten electrode. Produces precise, clean welds.

Best for: Stainless Steel, Aluminum, High-quality aesthetics.

MIG Welding

Gas Metal Arc

Feeds a continuous wire electrode. Known for speed and efficiency in manufacturing.

Best for: Construction, Mass Production, Thicker metals.

Spot Welding

Resistance Welding

Uses pressure and electric current at specific points to join thin metals.

Best for: Automotive industry, Sheet metal joining.

SMAW (Stick)

Shielded Metal Arc

Uses a consumable electrode with flux. Simple and effective for various conditions.

Best for: Outdoor construction, Maintenance, Repairs.

Tack Welding

Temporary Fix

Brief, low-heat welds to hold pieces in alignment before final welding.

Best for: Alignment, Setting joint gaps.

Essential Tools

Fabricators focus on cutting/bending tools, while welders focus on heat/joining tools.

Angle Grinders
Welding Clamps
Arc Welders
Vice Grips
Sheet Metal Gauge
Welding Torch
Wire Brush
Chipping Hammers

Safety First

Protecting vulnerable areas (eyes, hands, lungs) is mandatory during welding.

Welding Jacket
Face Shields
Respirators
Welding Gloves
Safety-toed Footwear
High-vis Clothing

Partner with the Experts

At Tong Lay Doo, many of our professionals serve as both skilled fabricators and expert welders. We guarantee top-tier quality assurance and certified expertise for your metal projects.

Tong Lay Doo Industrial Co., Ltd

Precision Welding & Fabrication Solutions.

© 2024 Tong Lay Doo. All Rights Reserved.

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