Heat Transfer Roll Repairs
We Can Restore Your Chill Roll to Like-New Condition
Heat Transfer Roll Repairs, The Start of Rebuild Process
Before: The outer shell is removed, the first phase in Menges' comprehensive heat transfer roll refurbishing process.
After Complete Rebuild
After: Here we see the roller after being completely rebuilt. It looks like new, and is ready to perform like new. This is what our heat transfer roll repairs can do.
Inner Shell for Refurbishing
Before: Interior of poorly-functioning chill roll. This double-shelled roller was never acid flushed, and performance steadily declined. The roller will have to be refurbished.
Refurbished Inner Shell
After: Menges Technicians have refurbished the inner shell. The tube is cleaned-up, new wraps installed, and siphons re-bored. A new outer shell is next.
REBUILDING DOUBLE-SHELL ROLLERS - COMPLEX BUT COST EFFECTIVE (AND ONLY MENGES CAN DO IT):
- The outer shell is removed. Ususally a new one is fabricated, but sometimes the old one can be saved.
- Inner shell is turned (removing rust & debris), then treated with rust inhibitor (an upgrade option).
- New spiral wraps are installed on inner shell (mimicing old wrap angle or modified for higher/lower velocity).
- New outer shell is fabricated to precise specifications, meeting the desired inner cavity volume dimensions.
- Bores & siphon tubes are refurbished or replaced (depending on roll design, monoflow or duoflow).
- Roller is completely re-assembled: new outer shell is married to inner shell, leak-checked and balanced.
- New chrome plate (or other surface finish) is applied to outer shell, then polished to the desired Ra value.
REBUILDING A CHILL ROLLER - FROM ZERO TO HERO IN 7 EASY STEPS !
Chill Roll Requiring Rebuild
1 - This chill roller came to Menges Roller in desperate need of refurbishing. The roller has a very poor flowrate, with unacceptable thermal transfer, plus badly damaged chrome.
Old Inner Shell
2 - The first thing the Menges Team did (after a thorough evaluation) was remove the outer shell, which was so damaged it was discarded, but this inner shall can be saved.
Refurbished Inner Shell
3 - The inner shell has been turned on a CNC lathe to renew the surface, and new spiral baffle wraps have been installed. This will next be machined to achieve a specific OD.
New Rough Outer Shell
4 - This is a rough-cut of the new outer shell. The ID is right where we want it, and the OD will be machined after installation on the inner shell. Note the counter-bore and weld chamfer.
Outer Shell Tacked On
5 - The new outer shell has been fitted to the refurbished inner shell. For now, the outer shell is just tack-welded. At final assembly, the circumference will be welded and leak tested.
Grinding After Total Assembly
6 - The assembled roller is now at Menges' precision OD grinding station. After a very exact OD is achieved, it will be chrome plated. That chrome plate will then be precision ground & polished.
Completely Rebuilt Chill Roll
7 - Our chill roll has been completely rebuilt and is now ready to perform! The roll will be used in a plastic bag line. Notice the mirror finish, with a 1-3 Ra value. This rebuild was completed for a fraction of the cost of a new chill roll.
LETS GET STARTED!
The Menges Team will analyze your needs to determine the optimal roll configuration for your application.
Call 847-487-8877 or click our Request A Quote button today and get started on our industry-leading heat transfer roll repairs from Menges Roller Company – the leaders in double-shell technology. We’ll help you run faster, reduce waste and produce a better product.
PRODUCTS & SERVICES FOR HEAT TRANSFER ROLLERS
As a full-service roller company, Menges offers a full range of support services & products.
THE SOONER YOU FIX IT, THE SOONER YOU'LL BE UP AND RUNNING!
Chill rollers are the key to many processes - and their performance is critical. Low flowrates & poor thermal transfer put your production line at risk - and nobody wants that.
As a plant manager, you're paid to fix these problems - which is why you need to call Menges Roller to discuss the heat transfer roll repairs that we can do for you. Menges will rebuild that malfunctioning chill roller for a fraction of the cost of a new roller.
Call 847-487-8877 or click the Request A Button to contact a Menges Engineer and discuss your repairs.
It's your first step toward getting your temperature modification process back on track. We're here to help you run faster, reduce waste, and produce a better product.
Double-shelled rollers that are exhibiting low flowrates and poor thermal transfer can be rebuilt & refurbished. This is a substantial cost saving versus a new chill roll, and we guarantee the performance of rebuilt rollers with our heat transfer roll repairs.
Rebuilt heat transfer rollers are guaranteed not to leak, and you'll see the thermal performance of a 'young roller.'
Speak to a Menges Engineer for more on this cost-saving, efficiency-enhancing service.
Because Menges is so well equipped - with a complete machine shop & fabrication plant - "open roller surgery" on your heat transfer roller is no problem. The most common approach is to remove the old outer shell, re-furbish the inner shell (complete with a new spiral wrap), re-drill & tap any components, fabricated & install a new outer shell, then finish with a new chrome plated surface.
We also offer an array of basic repair & modification services for double-shelled rollers.