China HR Coil Slitting Line - High-Quality Strips for Milling & Welding | Leading Suppliers & Factory
Product Introduction
The slitting machine is a key piece of equipment in industry for cutting wide metal or non-metallic coil materials into several narrow strips of the required width along the length direction. Its core working principle is to continuously roll-cut the material through the rotation of the upper and lower circular disc knife shafts.
The following is a comprehensive introduction to the core features of the slitting and shearing machine:
The core structure mainly consists of upper and lower knife shafts, fixed/movable frames, and a synchronous lifting mechanism. The knife shafts and frames undergo precise processing (such as turning, high-frequency treatment, grinding, and chrome plating, etc.) to ensure the rigidity and accuracy of the equipment.
✦ This series of production line is applicable to coils of various specifications. It is used for slitting the coil into required width for the use of punch line through the procedure of uncoiling, pre-leveling, cropping, slitting and recoiling.
✦ It has advantages such as proper layout, easy operation, highly automated and high production efficiency.
This line is adaptable to process cold-rolled and hot-rolled coils, silicon steel coils, stainless coils, colored coils, aluminum coils, and all sorts of plated and coated coils.
Main Technical Parameter
| Model | Thickness | Width | Coil Weight | Finish Width | Slitting Strips | Slitting Speed | Area Needed | Main Shaft Dia. |
|---|---|---|---|---|---|---|---|---|
| 3×1600 | 0.5–3mm | 900–1600mm | 30T | ≥40mm | ≤13 | 50m/min | 21×11m | Φ240 |
| 4×1600 | 0.5–4mm | 900–1600mm | 30T | ≥60mm | ≤13 | 50m/min | 21×11m | Φ240 |
| 6×1600 | 1–6mm | 900–1600mm | 30T | ≥60mm | ≤10 | 50m/min | 21×11m | Φ260 |
| 8×2000 | 2–8mm | 900–2000mm | 35T | ≥70mm | ≤6 | 30m/min | 30×11m | Φ300 |
| 10×2200 | 3–10mm | 900–2200mm | 35T | ≥80mm | ≤5 | 30m/min | 35×11m | Φ320 |
| 12×2200 | 3–12mm | 900–2200mm | 35T | ≥100mm | ≤5 | 30m/min | 38×11m | Φ320 |
| 16×2500 | 4–16mm | 900–2500mm | 35T | ≥100mm | ≤5 | 20m/min | 38×11m | Φ400 |
| 20×2500 | 6–20mm | 900–2500mm | 35T | ≥100mm | ≤4 | 20m/min | 38×11m | Φ480 |
Frequently Asked Questions
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Q What types of materials can the slitting line process?The slitting line is capable of processing a wide range of coil materials, including cold-rolled and hot-rolled coils, silicon steel coils, stainless steel coils, colored coils, aluminum coils, as well as various plated and coated coils. It is suitable for industries such as automotive, home appliances, construction, and food packaging.
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Q What is the maximum coil weight this slitting line can handle?Depending on the model, the slitting line can handle coil weights of up to 30T for smaller models (e.g., 3×1600 to 6×1600) and up to 35T for larger models (e.g., 8×2000 to 20×2500), making it suitable for heavy-duty industrial applications.
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Q What is the maximum slitting speed of the machine?The slitting speed varies by model. For thinner material models (e.g., 3×1600, 4×1600, 6×1600), the maximum slitting speed is 50 m/min. For heavier and wider material models (e.g., 8×2000 to 12×2200), the speed is 30 m/min, while the largest models (16×2500 and 20×2500) operate at 20 m/min.
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Q What is the main composition of the slitting production line?The complete slitting line consists of a loading cart, uncoiler, slitter, scrap winder, cropping shear, tension controller, and coil recoiler. Loop bridges, pinch units, and deviation correctors are installed between each machine to ensure smooth and precise processing. The line integrates mechanical, electrical, hydraulic, and pneumatic technologies.
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Q What is the minimum finished strip width achievable?The minimum finished strip width depends on the model selected. For the 3×1600 model, the minimum finish width is ≥40mm. For most other models, the minimum finish width ranges from ≥60mm to ≥100mm. The appropriate model should be selected based on your specific production requirements.
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Q How is the precision and durability of the knife shafts ensured?The knife shafts and frames undergo a series of precise manufacturing processes, including turning, high-frequency heat treatment, precision grinding, and chrome plating. These processes ensure outstanding rigidity, dimensional accuracy, and long service life, resulting in consistent cutting quality across high-volume production runs.