Blown Film Die Rotator Repair

Blown Film Die Rotator Repair

Die rotator repair experts. We are a complete machine shop with hard chrome plating, electroless nickel plating, gear manufacturing, motor rewinding, mirror finish polishing. We can offer die rotator repair and rebuild services without using a subcontractor for any part of the rebuild service. No subcontractors means cheaper prices with faster delivery times.

Die rotator repair problems. Your ports are often pitted and worn and usually overlooked by other companies because they can’t figure out how to repair the pits, scars, damage to the ID. We can repair your die rotator ports to look and work like new, pit & pour free with a 8RMS mirror finish. We apply industrial hard chrome, overlaid with electroless nickel then baked at 475 for 5 hours. This is known as CEB (Chrome, Electroless nickel Bake) Your blown film die rotator repair ports will have an absolute perfect finish that is pit, scar, pour free and built up to exact size. All blown film die rotator repair ports are fully guaranteed for 18 months against any chips, cracks, pits or wear.

Die rotator repair services include replacing of the electric motor. We replace your motor with new or if a new replacement isn’t available, we can either fully rewind or reinsulate it to work like new or get you a duplicate motor with the same RPM, HP to match the OEM.

Die rotator repair gear repair and replacement. Often the gear pinion gets worn or the ring gear gets damaged. We can manufacture any size pinion and ring gear your die rotator repair needs. Spur, helical, herringbone, whatever gear tooth was on the original, we will replace it to exceed OEM specs/tolerances. We manufacture high precision ground tooth gears and traditional machine cut gears. On die rotator repair service, we prefer precision ground tooth gears for smoother operation and longer life.

When we perform a blown film die rotator repair, we replace and upgrade all bearings & seals to the highest capacity available for that size. Upgraded bearings & seals cost about 30% more than original, but they will last much longer.

We can perform blown film die rotator repair as a single unit or together with a complete rebuild of your blown film die. We perform all chrome plating & electroless nickel plating, mirror finish polishing, OD/ID grinding, etc. under one roof. No subcontractors means quicker delivery time and lower pricing. We give all die rotator repair services a complete one year warranty on all bearings, seals, gears, motor, ports, etc. All parts and labor is covered, your die rotator repair will work like new or it’s repaired free of charge. Ports that are CEB coated will be guaranteed for 18 months from install date.

Do you need Blown Film Die Rotator Repair?

Please fill out the form below and an experienced extrusion 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 blown film die rotator needs repair? Die lines, adhesion, chips in plating, ports damaged, motor or gear problems, seals & bearings, be specific. Have you disassembled or cleaned the die yet?


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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.
We are the world leader in extrusion die repair with the best warranty in the industry, full 18 months covering plating, maintaining polish finish, minimal carbon build up, die lines, etc. Your multi layer blown film extrusion die will perform like new. Our repair methods exceed OEM guidelines for plating thickness and overall finish.

How much will my die rotator repair cost? Call us with the make, model and size of your die rotator. Tell us exactly what issues you are experiencing with your die rotator, be specific with the issues. The cost of the die rotator repair depends on the amount of work needed. Repairing an electric motor with bearing & seals will always be cheaper than a complete rebuild with plating and polishing of ports.

How long will it take for my die rotator repair service to be completed? Normal delivery time is 7 to 10 days but again, it depends on the amount of work needed. Simple bearing & seal replacement can be done in 3 to 4 days, while port polishing and plating, gear replacement can take longer. Need it ASAP? We offer “Red Ticked Expedite Service” where we can work 3 shifts, 7 days a week, holidays included (Good Friday, Easter, Christmas, Superbowl weekend excluded).

We can repair all equipment used in the blown film extrusion process. From melt pumps, extruders, barrels, blown film dies, rotators, air rings, converting, printing, slitting, recycling, etc. Mitchell Precision is a turnkey solution to any and all blown film extrusion process machinery & equipment.

Please click the links above 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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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.