Micro Welding & Mold Repair
Micro welding is a precise, low-heat process used to repair plastic injection molds, dies and tooling without the distortion risk that can come with conventional TIG welding. It is ideal for restoring edges, rebuilding worn areas and extending the life of high-value tools with minimal downstream rework.
This pillar page covers where micro welding fits in a modern mold repair workflow, the types of repairs it supports and how systems like the MoldMender® Micro Welder help shops make fast, controlled repairs.
Why Micro Welding Is Used for Mold Repair
- Lower heat input to help reduce warping and heat-affected damage
- Targeted deposits for edges, corners, shutoffs, pits and localized defects
- Better control over placement and build-up size for precision repairs
- Extended tool life and reduced downtime vs. replacement
Where It Fits in the Repair Workflow
Micro welding is commonly used after cleaning and inspection, once the damaged area is identified. Repairs often include rebuilding worn shutoffs, restoring sharp edges and adding material for re-machining or polishing, all while preserving surrounding geometry.
Mold Repair Video
See a MoldMender® micro welding workflow and what a controlled deposit looks like during common mold repair scenarios.
Get MoldMender® Micro Welding Information, Demos and Pricing
MoldMender® Micro Welders are built for in-house mold and die repair with minimal heat input and precise control. If you are evaluating micro welding for your toolroom, we can help you choose the right configuration for your materials, repair types, and workflow.
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