DPIC rolls feature a high-alloy iron and have an outer shell that consists of high-alloy iron combined with a core made from grey iron or ductile iron. This makes DPIC rolls the best for use as the stands for the rod mill and flat rolling machine. The high-alloy iron matrix in the rolls’ shell, combined with the presence of free carbides instead of graphite, offers excellent resistance to wear while providing sufficient fire-crack resistance. The rolls are made from grey iron core components for general use, while others are made from nodular cast iron and are for heavy-duty applications. They are measured according to their hardness, ranging from 70 to 85 Shore C.
Vimco Rolls Industries is your chosen partner in high-performance roll solutions for steel rolling operations and other related rolling operations. Our company is one of the esteemed Indefinite Chill & DPIC Rolls Manufacturers, understanding your requirement regarding longer roll life, surface quality, and performance in critical rolling mill conditions.
About Our Indefinite Chill Rolls
At Vimco Rolls Industries, we manufacture indefinite chilled cast iron rolls designed to provide a hard, wear-resistant working surface and a tough and strong core. Our rolls are designed to provide your product with a good surface finish while being able to withstand heat and mechanical loads during the rolling process.
Since we closely collaborate with your production and maintenance teams, it is possible for us to tailor the degree of hardness, depth of chill, and barrel characteristics to ensure that the rolls will fit your mill setup, position, and product. With us, you will obtain committed service support right from design through delivery and even after delivery.
What Makes Indefinite Chilled Cast Iron Rolls Different at Vimco Rolls Industries
Indefinite chilled cast irons have a graded structure from the surface to the core, featuring a wear-resistant layer and a softer core. In the surface layer, there is a composition consisting of graphite and carbides in the pearlitic or bainitic structure, featuring favorable hardness and strength.
- Wear Rates That Help to Regain Pass Profiles.
- Less risk of spalling and surface failure than that experienced with materials that have not been chilled.
- Improved surface finish quality for rolled products, regardless of the size of their sections and shapes.
By going for quality chilled cast iron rolls supplied by a committed DPIC rolls manufacturer such as Vimco Rolls Industries, you get to support both quality as well as economy in rolls. Our company also deals with additional engineered rolls like High Speed Steel Rolls, SG Iron Rolls, TC Rings and Adamite Rolls.
DPIC Rolls and Their Benefits
Being a committed DPIC rolls-producing organization, we offer Double Poured Indefinite Chill (DPIC) rolls, which consist of a hard and durable outer surface along with a tough inner core, which is double-poured. This enables us to control hardness, microstructure, and strength support effectively in both the active layer and core.
Key Advantages You Get From Our DPIC Rolls:
- Increased surface hardness and wear resistance in the working layer, along with high core toughness.
- Enhanced resistance to thermal cracking and fatigue in extreme hot and warm rolling mill service.
- Increased flexibility regarding the adjustment of hardness characteristics according to the stand and/or type of product, aiding you in optimizing roll usage.
With Vimco Rolls Industries as your DPIC rolls manufacturer, you will enjoy technical expertise that will assist you in the selection of the appropriate roll grades and hardness, as well as the chill depth on each stand.
Applications For Indefinite Chill & DPIC Rolls
Our Indefinite Chilled Cast Iron Rolls & DPIC Rolls can be utilized for several applications, which means you can rely on a single chill roll manufacturer for several units at your plant. Our rollers can be used in ferrous and non-ferrous rolling, depending on the grade and requirements of the respective stand.
Common Application Examples Include:
- Roughing, intermediate, and some finishing stands in bar, section, and structural mills.
- Rolls for small and medium section mills, light structural mills, and re-rolling mills.
- For applications requiring a combination of surface finish, resistance to fire-cracks, thermal shock resistance, and controlled wear.
As a versatile chill roll manufacturer, Vimco Rolls Industries is here to support you in various material and design offerings to suit your mill requirements.
Material Properties and Performance
The chemistry and heat treatment of our cold iron rolls are controlled to create a uniform layer of cold iron that has an ideal level of carbides and graphite. The structure of our working surface is such that it has high hardness and wear resistance. It can withstand cycles of heating and cooling.
Performance Benefits You Can Rely On:
- Hardness is steady from the surface through the effective chill because this prevents irregular patterns of wear.
- Resistance to surface checking, fire-cracks, and shelling in high temperature stands.
- Reliable roll behavior over successive campaigns, enabling better forecasts regarding roll behavior changes and maintenance.
Being a professional manufacturer of DPIC rolls, we also take into consideration the key attributes whereby the internal part of the DPIC rolls possesses the necessary strength to withstand the weight of the rolling process.
Why Choose Vimco Rolls Industries as Your Chill Roll Manufacturer
In choosing to partner with Vimco Rolls Industries, you are selecting a chill roll manufacturer that puts a high premium on the development of long-term partnerships, communication, and results. Vimco Rolls Industries brings a depth of experience in the design and supply of chilled cast iron rolls and DPIC rolls to our customers.
You Receive the Benefits Of:
- Application engineering support for the selection of suitable chilled cast iron rolls and DPIC rolls for every stand based on the product line.
- Sound quality is produced through up-to-date melting, casting, heat treatment, and machining facilities.
- Responsive post-sale support to help with analysis of roll wear, pass design, and roll grades.
Through the partnership with Vimco Rolls Industries as your designated chill roll supplier and DPIC rolls supplier, you are able to maximize productivity, quality, and cost-effectiveness for every ton of rolled product produced in your facility.
Frequently Asked Questions (FAQ’s)
It possesses an indefinite chilled structure consisting of a strong and abrasion-resistant surface and a tough center. This structure aims to achieve high surface quality and wear resistance during the rolling process.
These rolls can be used extensively in bar mills, section mills, structural steel mills, and re-rolling mills for roughing, intermediate, and finish passes where there is a requirement for controlled wear and a smooth surface finish.
Common chilled rolls are molded with a single material and a chilled surface finish, while DPIC rolls are double-poured with a deliberately designed and hardened exterior layer and a distinct hard core.
You should choose Vimco Rolls Industries because they offer you tailored DPIC and chilled cast iron rolls, excellent application support, and reliable quality, which will help you maximize roll life and milling productivity.
Yes, we can customize hardness, depth of chill, and grades according to your mill design, stand loads, products, and desired performance characteristics to ensure the rolls are suitable for your operating conditions.
You can share information related to mill layout, stand details, product details, and issues in rolls at Vimco Rolls Industries, and we can provide recommendations for corresponding chilled cast iron rolls and DPIC rolls, along with a technical and commercial offer.