Automatic Metal Coil Cutting Equipment Steel Coil Slitting Line

Product Description

Product Description

What is a Slitting Line?

A slitting line is an industrial machine used in metal processing to cut large, wide master coils of metal (like steel, aluminum, or copper) into narrower strips of specific widths. These smaller coils are then used in manufacturing processes such as automotive stamping, pipe manufacturing, and appliance construction.

Specification

Working Principle Diagram of Slitting Line

How It Works

The metal slitting process requires careful precision and uses a series of heavy-duty machines arranged in a line. The step-by-step process typically includes: 
1.Uncoiling: A decoiler unwinds the wide master metal coil.
2.Flattening: The metal strip is fed through pinch rolls and a leveler to ensure it is perfectly flat before cutting.
3.Slitting: Rotary knives cut the sheet of metal lengthwise to the desired widths.
4.Scrap Management: The trimmed edges of the coil are either chopped, balled, or wound into scrap rolls to be recycled.
5.Recoiling: The newly cut, narrower strips of metal are tightly rewound into individual "slit coils"

Key Components

1.Decoiler (Uncoiler): Securely holds the heavy master coil on an expanding mandrel and steadily unwinds it into the production line. 
2.Pinch Rolls & Leveler: Flatten the metal strip, removing any coil-set or internal stresses so the material enters the blades perfectly flat. 
3.Slitter Head: The heart of the line. It utilizes two parallel arbors fitted with rotary circular knives (blades) and spacers to slice the material into precise widths.
4.Looping Pit / Accumulator: A deep trench beneath the line that holds a "free loop" of material. It absorbs tension variances between the slitter and the winding stations so the machine can run continuously without tearing. 
5.Tensioner: Applies constant, adjustable back-tension to the slit strips before they are rewound. This prevents loose windings and interleaving in the finished coils. 
6.Recoiler: Rewinds the newly cut, narrower strips into tightly wrapped "finished" coils for downstream manufacturing.

Complete Slitting Line Arrangement Drawing

Components Supplied List:
No	Machine Unit Name	Qty/set	Remark
1	Coil storage	1
2	Coil car	1
3	Uncoiler	1
4	Taking device	1
5	Pre-leveler	1
6	Hydraulic shear	1
7	Transition Roll Table	1
8	Side Guide	1
9	Double Head Slitter+Exchange Platform	1
10	Scrap winder	1
11	Looper+End Pressing	1
12	Separating+tension table+tension roll	1
13	Swerve feeding mechanism	1
14	Recoiler+Separating	1
15	Unloading Car	1
16	Hydraulicsystem	1
17	Pneumatic system	1
18	Electric control system	1
19	Accessories: Slitting knives, spacer bushing, rubber sleeve, separation disk, etc	1

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