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31 Years
experience
Emergency
services
Expert Engineering & Mold Repair Services in Liberty, SC
Founded in 1995, United Tool Mold has established itself as a global leader in engineering changes and repair services for the plastic injection and blow molding industries. Our core mission, 'Keeping the Plastics Industry Running,' drives our commitment to minimizing downtime through 24/7 emergency response, advanced laser welding technology, and precision mold repair. With facilities in Liberty, South Carolina, and Rainbow City, Alabama, we combine a 60,000-square-foot main campus with a 25,000-square-foot satellite location to serve clients across North America. Our team of certified engineers utilizes state-of-the-art CAD software and ISO 9001-certified processes to deliver engineering changes faster than industry averages. From emergency on-site repairs to complete new tool builds, we maintain ownership of every project phasefrom design to end-of-life support.

Our investment in cutting-edge equipment like 80" x 40" x 40" fluidized bed cleaning systems and multi-axis laser engravers ensures superior service quality. With over 25 years of experience and a fleet of response vehicles ready for immediate dispatch, we guarantee rapid turnaround for critical mold repairs. Our Rhino Charge attitude reflects our commitment to handling projects of any size with equal urgency and professionalism. We differentiate ourselves through comprehensive lifecycle management, offering warranties on all tooling builds and maintaining complete documentation for future service needs. This combination of technical expertise, operational flexibility, and customer-centric philosophy has made us the industry's preferred partner for maintaining production continuity.
Services
Mold Repair Laser Welding Engineering Changes Fluidized Bed Cleaning New Tool Builds On-Site Services Laser Engraving Preventive Maintenance
Details
  • Year established: 1995
Highlights and features
  • 24/7 emergency response with on-site service within minutes of your call
  • ISO 9001-certified quality control systems since 2015
  • Engineering changes delivered faster than industry average lead times
  • Multi-axis laser engraving and welding capabilities for precision repairs
  • Comprehensive lifecycle management from tool design to end-of-life support
Associations and certifications
  • ISO 9001-2015
What people say
Rapid response Precision repairs 24/7 availability Expert engineers Lifecycle management
Services
Mold Repair
Our precision mold repair services address both emergency breakdowns and preventive maintenance needs. Using advanced laser welding and 3D scanning technology, we restore damaged molds to original specifications with minimal downtime. Our technicians handle complex repairs for plastic injection and blow molding tools weighing up to 100,000 lbs.
Engineering Changes
We implement engineering changes with lead times 20% faster than industry averages. Our CAD/CAM systems support modifications to existing molds while maintaining dimensional accuracy. Services include cooling system optimization, material upgrades, and 3D-printed insert fabrication for improved production efficiency.
Laser Welding
Our fiber laser welding systems create virtually undetectable repairs in mold surfaces. With dissimilar metal welding capabilities and minimal heat-affected zones, we maintain surface finishes in high-polish and textured areas. The process eliminates secondary machining requirements for most repair applications.
Fluidized Bed Cleaning
The 80" x 40" x 40" fluidized bed system removes organic coatings at 800F using heated silica sand. This environmentally friendly process cleans mold components, hot runners, and complex geometries without dimensional changes. The agitation action thoroughly removes plastic residues and paint coatings.
New Tool Builds
We manage complete new tool builds with global sourcing options and 30-day guaranteed lead times. Our services include design validation, production sampling, and lifetime warranty support. The process ensures production-ready tools with documented quality checks at every manufacturing stage.
Questions
What industries do you serve?
We specialize in plastic injection and blow molding services for automotive, packaging, appliance, and consumer goods manufacturers.
Do you offer emergency repair services?
Yes, our 24/7 emergency response team dispatches service vehicles within minutes of receiving calls for urgent mold repairs.
What locations do you operate from?
Our main facility in Liberty, SC spans 60,000 sq ft with a 25,000 sq ft satellite location in Rainbow City, AL.
Are your services ISO certified?
Yes, we maintain ISO 9001-2015 certification for quality management systems across all engineering and repair operations.
What equipment do you use?
We utilize multi-axis laser welders, 3D CAD systems, and a large-capacity fluidized bed for comprehensive mold maintenance.
Do you handle international tool builds?
Yes, we manage global tool builds with quality control systems matching our domestic operations and lifetime warranty support.