Mold & Die Plating & Polishing

Mold & Die Plating & Polishing

Mitchell Precision specializes in mold and die repair, mold maintenance, die maintenance, polishing and chrome plating. We have 4th & 5th axis CNC mills combined with FARO TECH 3D scanning technology. If you have a pitted, scarred or worn mold or die in need of repair, we can offer a complete rebuild including welding, blending in, polishing, buffing and chrome or electroless nickel plating with a final buff that will exceed OEM specs/tolerances for plating thickness, finish with a better warranty.

Mold & die repair experts! From minor issues with adhesion, release issues, worn chrome, pits, scratches, to major damage and misalignment or changing diameters. Mitchell Precision has over 40 years of experience with mold & die repair, polishing, plating to get your part working like new. Large 4th & 5th axis CNC machines allow us to make minor or major changes to your mold or die to your exact print or drawing.

Do you need mold & die repair, polishing or plating?

Please fill out the form below and an experienced mold tech will call you in a few minutes to answer all of your questions & give you prices/delivery times on your project.

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Describe in detail the issues of why your mold or die needs repair? Pitted, scarred, adhesion problems, worn plating, bad finish, describe in detail and our mold tech can give you accurate repair procedure, pricing and delivery times on your mold/die project.

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Mitchell Precision will NEVER share or sell your contact information with anyone. All information and communications are strictly confidential. You will never get unsolicited calls or emails from us or any of our partners. We take privacy very seriously.

Experiencing release problems with your mold or die? Your finish is dulled or the chrome plating has worn thin. It's a simple process to strip the old plating off, then polish and buff the mold or die to a mirror finish then chrome or electroless nickel plate the surfaces while holding strict tolerances not to harm your finish products diameters.


All industrial hard chrome plating and electroless nickel are done to strict military standards.

Military Spec QQC-320B & Military Spec Mil-C-26074B Class A Grade 1. Electroless nickel if done properly is actually harder and more durable than industrial hard chrome. It has better release properties, lasts longer and much more durable.


We can repair any mold or die for the plastics, rubber, injection molding, extrusion, film, compression molding industries. We have over 40 years experience and our greatest advantage over other mold and die repair shops is we do all chrome plating, nickel plating, polishing, buffing, welding, machining OD/ID grinding in house. Nothing is subcontracted. We're capable of running 3 shifts, 7 days a week including holidays to get your mold or die repair done as quickly as possible. As a machine shop we fully understand that when a machine is down, you're losing money and getting customers angry. We’ll do our best to get your machine back into production making you money.


By far the best investment for us is our Faro Tech 3D scanning arm which feeds information directly to a 4th or 5th axis CNC. This allows us to view your mold and mark the damaged areas that need repair much easier than it was a few years ago without this tool.


What will my mold or die repair cost? Is this for injection molding, extrusion, compounding, etc. We'll need to know exactly what the problem is, pits, die lines, adhesion, release problems, scars, general mold or die maintenance, etc. We also need the dimensions of the die and let us know what is being made, bottles, golf balls, toy parts, etc. Pictures of the mold will help tremendously. Email photos to This email address is being protected from spambots. You need JavaScript enabled to view it. and we'll get you an estimate in 10 minutes or less right over the phone. We'll follow up with email and fax. If shipping a mold or die for repair, polishing or re-plating please take extra care and make a tight fitting and sturdy crate with foam insulation, bracing with metal bands, 2 or 3 in each direction.


Over time the chrome plating wears and becomes thin from cleaning then the polished finish gets dull. This is what causes most molds and dies to fail and need repair. When certain plastics get burnt (PVC, glass, regrind, etc), they give off a gas very similar to muriatic acid. What do plating shops use to dissolve chrome off of molds & dies? Muriatic acid and water (50/50 mix). When electroless nickel is applied properly it is more durable, harder, keeps the finish longer and will out last conventional hard chrome. Best part is, muriatic acid has absolutely no effect on electroless nickel it at all. Electroless nickel plating is harder than chrome and is easier to clean and maintain. All hard chrome plating & nickel plating is done to strict Military Spec QQC-320B, Mil Spec QQC-320B Class 2A & Mil Spec Mil-C-26074B Class A Grade 1


How long will it take to repair my mold or die with polishing and plating? Stripping, polishing and plating can be done in 2 to 5 days. Damage repair depends on the amount of work needed, welding, polishing, can lead to longer repair times.


Will my dimensions change once my mold or die is polished & plated? Absolutely not. We take precision measurements before stripping, after polishing so we know exactly the amount of plating needed to bring the mold or die back to the same exact size.


Does mold and die polishing repair come with any warranty? Yes, we offer an industry leading 6 to 12 month warranty on all mold and die polishing and plating services. No other company can come close to the level of workmanship that Mitchell Precision can provide. Warranty depends on the material you are running and complexity of the mold.


Because we are in charge of every step of the mold and die polishing repair process, we can keep costs and delivery times lower than our competitors. Got a written quotation from another company? We can slash their price by 20% while delivering faster with a better warranty with higher quality.


Please click the links and feel free to call us with any questions. You'll speak directly to a plastics processing technician who can give you an estimate on cost right over the phone. Nationwide same day pickup is available on any size project!

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mold repair, die repair, mold polishing, die polishing, die maintenance, mold maintenance
Keep in mind, we are a used equipment dealer. We buy any and all used machinery working or not. We'll buy your old molds (certificate of destruction and photos supplied) old dies, spare parts, complete lines. Fleet vehicles, forklifts, old gearboxes, we buy anything and everything. Call us with your list or provide photos and let's work out a deal to clean your yard.

Mitchell Precision will NEVER share or sell your contact information with anyone. All information and communications are strictly confidential. You will never get unsolicited calls or emails from us or any of our partners. We take privacy very seriously. We will never have a company call you as a reference for the quality of our past work. We keep all your work, processes, costs, information private. We’ll never reveal your equipment repair to your competitors.