--- title: Alliance | Laser Welding Solutions for Injection Mold Repair description: Our in-house fiber laser welding solutions offer precise, reliable welds for high-tolerance injection mold repair and maintenance. --- ##### PRECISE, RELIABLE, & FAST # Laser welding and engraving for injection mold repair & maintenance [ LET’S WORK TOGETHER ](https://alliancesls.com/industries/injection-molding#quote) ## With Alliance as your injection mold repair and maintenance partner, precision, speed, and reliability come standard. Injection molds are the lifeblood of modern tooling and manufacturing. Precise, focused welds are essential for [cleaning](https://alliancesls.com/mold-services/hot-runner-manifold-cleaning), repairing, and [maintaining molds](https://alliancesls.com/mold-services/injection-mold-maintenance), especially those with tight tolerances or complex contours. As an extension of your toolroom, Alliance’s [fiber laser welding](https://alliancesls.com/laser-services/laser-welding-services) and [engraving solutions](https://alliancesls.com/laser-services/laser-engraving-services) deliver exceptional speed and accuracy without causing heat distress or distortion to the workpiece. In addition, our [mobile laser welding capabilities](https://alliancesls.com/laser-welding-equipment/vision) accelerate the mold repair process, wherever the work takes you, saving both time and money. #### **Our end‑to‑end, in‑house injection mold services include:** - Disassembling and cleaning molds ranging from single‑cavity tools to high‑cavitation production molds - Repairing mold edges, shutoffs, and gates with controlled, low‑heat output - Restoring critical dimensions and features while minimizing distortion - Injection mold marking for clear, efficient inventorying ![Injection molding](https://alliancesls.com/hs-fs/hubfs/Assets/Images/Industries/img-1920x1280_InjectionMolding01.webp?width=1920&height=1080&name=img-1920x1280_InjectionMolding01.webp) ## Alliance injection mold repair & maintenance services Our fiber laser welding and engraving equipment uses a focused, precise beam for clean, accurate welds, creating next-level mold repair work and marking with virtually any material.   ## MOLD MAINTENANCE Alliance’s injection mold maintenance helps increase process flexibility and extend part service life. [ LEARN MORE ](https://alliancesls.com/mold-services/injection-mold-maintenance) ## MOLD POLISHING & FINISHING Our in-house mold polishing and finishing solutions can accommodate almost any mold surface or geometry. [ LEARN MORE ](https://alliancesls.com/mold-services/mold-polishing) ## HOT RUNNER MANIFOLD CLEANING Our fluidized ovens clean molds fast and efficiently, restoring mold performance and reliability and reducing unplanned downtime. [ LEARN MORE ](https://alliancesls.com/mold-services/hot-runner-manifold-cleaning) ## LASER ENGRAVING SERVICES With no need for specialized tooling or harsh chemicals, our laser engraving services deliver consistent, reliable markings quickly for accurate injection mold documentation and inventorying. [ LEARN MORE ](https://alliancesls.com/laser-services/laser-engraving-services) --- ![img-1920x1280_Thermoplastic04](https://alliancesls.com/hs-fs/hubfs/Assets/Images/Industries/img-1920x1280_Thermoplastic04.webp?width=1920&height=1080&name=img-1920x1280_Thermoplastic04.webp) ## Alliance laser welding and engraving for food & beverage producers Laser welding and engraving is ideal for the elevated precision and variability that comes with injection molding for the food & beverage industry. ## LASER WELDING SERVICES Our approach to laser welding creates clean welds that are essential for thermoplastic molding applications.  [ LEARN MORE ](https://alliancesls.com/laser-services/laser-welding-services) ## LASER ENGRAVING SERVICES With no need for specialized tooling or harsh chemicals, our laser engraving services deliver consistent, reliable markings quickly for accurate mold documentation and inventorying.  [ LEARN MORE ](https://alliancesls.com/laser-services/laser-engraving-services) --- ![IMG_1034](https://alliancesls.com/hs-fs/hubfs/Imported_Blog_Media/IMG_1034.jpg?width=1244&height=829&name=IMG_1034.jpg) ## Why partner with Alliance? ##### Piece of cake: Clean, quick, and precise injection mold repair and maintenance. Our in-house laser welding and engraving solutions support an extended service life for your molds to maximize productivity.  ## Don’t bolt just yet… Alliance also provides fiber [laser welding](https://alliancesls.com/laser-welding-equipment) and [engraving equipment](https://alliancesls.com/laser-engraving-equipment/) for you to bring your mold maintenance and repair processes under your own roof. We offer it all, including manually adjusted welders, mobile welders, desktop engravers, and [complete mobile toolrooms](https://alliancesls.com/laser-welding-equipment/vision). And we service it all too, with a complete line of spare parts and accessories. ![ID1 Fiber Laser](https://alliancesls.com/hs-fs/hubfs/Assets/Images/Product/img-1800x1240_ID-1.webp?width=2000&name=img-1800x1240_ID-1.webp) ### ID1 FIBER LASER A manually adjusted fiber laser that provides power while reducing your shop footprint. [ LEARN MORE ](https://alliancesls.com/laser-welding-equipment/id1-fiber-laser) ![ID1 FW Fiber Laser](https://alliancesls.com/hs-fs/hubfs/Assets/Images/Product/img-1800x1240_ID-1%20FW.webp?width=2000&name=img-1800x1240_ID-1%20FW.webp) ### ID1 FW FIBER LASER A flexible fiber laser machine that uses a simplified design to maximize uptime and productivity. [ LEARN MORE ](https://alliancesls.com/laser-welding-equipment/id1-fw-fiber-laser) ![ID 1 UR Fiber Laser](https://alliancesls.com/hs-fs/hubfs/Assets/Images/Product/img-1800x1240_Product-ID-1%20UR%20ROBOTIC-2b.webp?width=2000&name=img-1800x1240_Product-ID-1%20UR%20ROBOTIC-2b.webp) ### ID1 UR ROBOTIC FIBER LASER A robotic laser welding system for mold repair and maintenance that utilizes co-bot automated welding technology.  [ LEARN MORE ](https://alliancesls.com/laser-welding-equipment/id1-ur-robotic-fiber-laser) ![Advantage Laser Engraver](https://alliancesls.com/hs-fs/hubfs/Assets/Images/Product/img-1800x1240_ADVANTAGE.webp?width=2000&name=img-1800x1240_ADVANTAGE.webp) ### ADVANTAGE ENGRAVER Utilizing MOPA fiber laser technology, this is the most flexible, robust laser engraver on the market today. [ LEARN MORE ](https://alliancesls.com/laser-engraving-equipment/alliance-advantage) ## ALLIANCE: ## LOCALLY-OWNED, AMERICAN-MADE, & READY TO WORK FOR YOU  --- ### LET’S GET TO WORK [Section link for quote ](https://alliancesls.com/industries/injection-molding#)