Bow Roll Manufacturer – Expander Rollers & Banana Rollers
As a Bow Roll manufacturer in India, Krishna Engineering Works specializes in manufacturing and supplying Banana Rollers and Expander Rollers for industrial use. These Bow Rolls are used to get rid of wrinkles, for web guiding, or tension for printing, packaging, lamination, textiles, paper, and film applications.
Krishna Engineering Works has many decades of experience and is able to manufacture Bow Rolls in many sizes, materials, and designs based on customer specifications. Our Bow Rolls and rollers have a great reputation for durability, precision, and performance even at moderate to high speeds.
What are Bow Rolls?
Bow Rolls (also referred to as Banana Rollers or Expander Rolls) are a wrinkle-removal device designed to be used in web handling systems. A Bow Roll consists of the following:
- Curved shaft
- Metal segments
- Sealed ball bearings
- Abrasion-resistant rubber sleeve
- Bow Rolls are offered with either foot mount or wall mount brackets, depending on the machine.
Types of Bow Rolls that we Manufacture
Rubber Sleeve Covered Bow Roller
- Constructed of synthetic nitride
- Great grip and wrinkle removal
Metal Expander Roll (Chrome Plated)
- Hard chrome plated for speedy applications
- Long life and wear resistance to surface
Variable Bow Expander Roll
- Adjustable bow angle for different applications
- Best suited for flexible packaging, printing, and lamination
Bow Roll Technical Specifications
- Diameter: Up to 300 mm
- Length: Up to 8000 mm
- Mounting: Foot Mounted / Wall Mounted
- Working Style: Single Acting & Double Acting Rolls
- Building Materials Available: Rubber, Nylon, EPDM, Silicon, Ebonite, Synthetic Nitrile
Bow Roll Working
The performance of a Bow Roll is determined by:
- Wrap angle
- Lead-in & Lead-out distance
- Position of bow (adjustable)
- The best performance typically occurs with a 3:1 lead-in: lead-out ratio with the Bow Roller perpendicular to the web direction.
Benefits of Our Bow Roll
- Eliminates wrinkles and baggy centres
- Maintains slack edge control
- Separates slit webs on winders
- Improves tension across entire web width
- Provides Production Efficiency
Uses for Bow Roll
Bow Rolls (Banana Rollers) are used in:
- Printing Machines (Flexo, Gravure, Offset)
- Lamination Machines
- Textile Flow Lines
- Paper & Film Converting
- Packaging Industry
Why Krishna Engineering Works?
- Over 25+ years in industrial machinery manufacturing
- Exporting to USA, Brazil, Russia, France, Canada, Mexico, South Africa & more
- Custom sizes & materials
- International quality standards
Looking for the best Bow Roll Manufacturer in India?
📞 Call us now at +91-8460728298 or visit us www.krishnaengineeringworks.com
🔹 FAQs about Bow Rolls
Common inquiries regarding Bow Roll.
Q1: What is the purpose of a Bow Roll?
A Bow Roll (also known as a Banana Roller) is a equipment employed in the printing, packaging and converting industries to extract wrinkles, regulate the web tension and separate slit webs.
Q2: What sizes is Bow Roll product comes in?
We provide Bow Rolls that can be made in diameters of up to 300 mm and lengths of up to 8000 mm, made to customer specifications.
Q3: What type of materials can Bow Rolls be made from?
Bow Rolls can also be made with rubber, EPDM, silicon, nylon, synthetic nitrile, or hard chrome plated metal for high speeds applications.
Q4: Which industries would use the Bow Roll?
Bow Rolls are used in multiple industries ranging from packaging, printing, lamination, textile, paper and film processing industries.
Q5: What is the differentiator between Single Acting Bow Roll and a Double Acting Bow Roll?
A Single Acting Bow Roll is fixated while, the Double Acting Bow Roll adjusts the bow angle application provides positive enhancement flexibility.
Q6: Do you supply Bow Rolls overseas?
Yes, we supply Bow Rolls all over the globe including the USA, Canada, Brazil, Russia, France, Australia, Mexico, South Africa or etc.
