Service

Laser Injection Mold Cleaning

Laser cleaning can remove selected residue, oxidation, and process buildup from injection molds, vents, and tooling without adding abrasive media. We clean cavities, cores, vents, gates, runners, ejector pins, parting lines, and cooling-line ports on tool steel, stainless, and beryllium-copper molds. In-place or in-press cleaning may be possible on suitable equipment after the mold material, residue, temperature, access, and laser-safety controls are reviewed. Read the technical guide to injection-mold laser cleaning and downtime reduction.

The Problem with Traditional Methods

Injection molds build up plastic residue, mold release, gas burn, and corrosion in cavities, vents, and cooling lines. Blocked vents cause short shots, burns, and scrap. Cleaning usually means pulling the tool, cooling it, and scrubbing by hand for hours of downtime.
Abrasive pads, dry ice, and bead blasting reach the surface but round off sharp edges, scratch polished cavities, and pack media into vents. A damaged cavity prints every defect onto every part.
Solvent cleaning leaves residue and flash rust on tool steel and demands ventilation and disposal. None of these methods clean micro-vents and textured surfaces without harming them.

Why Laser for Laser Injection Mold Cleaning

In-Place Cleaning

Clean the mold in the press or on the bench. No teardown, no crane, no cooldown wait. Production resumes in minutes.

Protects Polished Cavities

The laser removes the contaminant and reflects off the tool steel. No rounded edges, no scratches, no packed vents. The cavity finish is preserved.

Clears Vents and Cores

A fiber handpiece reaches micro-vents, gates, and cooling-line ports. Clear vents stop short shots, gas burn, and scrap.

How We Do It

Our pulsed fiber laser ablates residue, carbon, and oxide off tool steel without contact. The laser tunes to the contaminant, not the steel, so polished cavities and textured surfaces stay intact.

We clean the tool in place, mounted in the press or on the bench, with no disassembly. A fiber-delivered handpiece reaches cavities, vents, and cooling-line ports that hand tools cannot.

Cleaning runs in minutes per cavity. The tool goes back into production with clear vents, clean cores, and no media to flush. Downtime drops from hours to minutes.

Disassembly required
0

min

Cleaning per cavity

Cavity damage
0
Response time
10 hr

Frequently Asked Questions

No. We clean the tool in place with a fiber-delivered laser handpiece. The mold stays mounted, which is what cuts downtime from hours to minutes.

No. The laser ablates residue, carbon, and rust while the tool steel reflects the beam. Polished finishes and chemical textures stay intact, unlike bead blasting or abrasive pads.

Yes. The handpiece reaches micro-vents, gates, and cooling-line ports that hand tools miss. Clear vents reduce short shots, gas burn, and scrap on the next run.

Price depends on the mold size, the residue, and the number of cavities. By the run, laser usually costs less than pulling and hand-scrubbing the tool, because there is no teardown, no media, and far less downtime. We quote the total job for free.

Plastic and resin residue, mold release, gas burn, carbon, oxidation, and light corrosion off tool steel, stainless, and beryllium copper. We tune the laser to the residue, not the steel, so the cavity and texture finish is preserved.

Yes. Laser cleaning leaves no solvent film or blast media in the cavity, which suits medical, food-contact, and packaging tooling. We can document the process for your quality system.

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