Introduction:
In the world of metal coil processing, a slitting line is one of the most critical pieces of equipment. It transforms wide steel, aluminum, copper, or other metal coils into narrower strips of precise width - ready for stamping, welding, or forming in downstream production.
What Does a Slitting Line Do?
A slitting line is designed to unwind, slit, and rewind metal coils into customized widths. Here's what it typically does:
Key Functions:
- Uncoiling: Load and unwind the large metal coil.
- Leveling: Flatten the material surface before slitting.
- Slitting: Cut the master coil into narrower strips using circle blades.
- Recoiling: Rewind each slit strips into a smaller coil for delivery or next-step processing.
Why Is a Slitting Line Important?
1. Supports Customized Manufacturing
Slitting enables factories to supply tailor-made coil widths to customers, reducing waste and improving efficiency downstream.
2. Optimizes Material Usage
By slitting the coil to exact sizes, you minimize offcuts and avoid overbuying wide coils.
3. Prepares Material for Automation
Many automated production lines - such as roll forming, stamping, and tube mills - require narrow-width coil to operate. Slitting lines ensure material compatibility.
4. Reduces Labor Costs
Automated tension control, edge guiding, and scrap disposal reduce manual intervention, speeding up workflow and cutting labor expenses.
How Does a Slitting Line Work?
Step-by-Step Process:
- Decoiling - The coil is uncoiled by a hydraulic or motorized decoiler.
- Feeding & Centering - Material is fed through alignment guides and pinch rollers.
- Slitting - Circular blades mounted on arbors slit the material into strips.
- Scrap Winding - Edge trim is removed and wound onto scrap winders.
- Tension Control - Tension pads stabilize the material.
- Recoiling - Finished strips are rewound into mini-coils for delivery.
Applications of Slitting Lines
Slitting lines are used across various industries that need high-volume, consistent, and customzied metal strips:
- Steel service centers
- HVAC and ductwork
- Electrical transformer production
- Automotive components
- Home appliance bodies
- Metal roofing & construction
Key Advantages of Our Slitting Line:
- Customized blade setups for material types and strip width variations
- Manual blade change system designed for safety and accuracy
- 42CrMo blade shafts with quenching & tempering for long service life
- CNC-machined frames for stability and high-speed operation
- Material compatibility with stainless steel, GI, copper foil, and more
- High-precision tension control systems to ensure burr-free cuts
FAQ:
Q: What is the difference between a slitting line and a cut to length line?
A: A slitting line cuts a wide coil into multiple narrow coils, while a cut to length line cuts the coil into flat sheets of specific length.
Q: Can Kinbenz slitting lines handle stainless steel?
A: Yes, our slitting lines are built to handle high-tensile and surface-sensitive materials like stainless steel, with felt tension pads and hardened blade systems.
Q: How long does it take to install a Kinbenz slitting line?
A: Kinbenz offer professional and experienced enginner on-site commissioning, about 15 working days is typical for installation.
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