This equipment is specifically designed for longitudinal cutting of 0.6-3.0mm copper cold coils, mainly used for longitudinal cutting of copper coils. It can be trimmed and divided into strips.

Due to strict requirements for the surface quality of the strip, a specially designed airbag tension table can effectively reduce scratches on the strip surface and meet the quality requirements for the surface.

Its components mainly include: winding car, unwinding machine, traction machine, longitudinal cutting unit, edge material winding machine, loop, airbag tension device, winding machine, unwinding car, straight unloading arm, hydraulic control system, power supply and electrical control system, pneumatic system, supporting tooling and molds, tools, and random spare parts.

The seller guarantees that the equipment and functions of this project are complete, reliable, safe, environmentally friendly, latest designed, material qualified, newly manufactured, and capable of meeting the buyer's stable production and long-term operation requirements. The seller also guarantees that the structure, performance, parameters, and other indicators of this equipment can fully meet the buyer's technical requirements.

This project shall not use equipment and processes that have been explicitly phased out or prohibited by the state.

One Main production technology requirements:

1. Description of main technical parameters:

1.1. Cutting Material: Copper and Copper Alloy Strip (T2, TU1, C19210, C19400, Tin Phosphorus Blue)

Copper, etc.) in soft, semi hard, and hard states.

1.2. Material properties:

Strength limit: 400-750 MPa;

Yield limit: 40-420 MPa;

1.3. Incoming material specifications:

Thickness: 0.6-3.0mm;

Width: MAX.450 mm;

Inner diameter: 500mm;

Outer diameter: φ 800~φ 1600 mm;

Roll weight: Max 6000kg;

1.4. Finished product specifications:

Number of cuts:

0.6mm to 1.0mm (≤ 15 strips);

1.0mm to 2.0mm (≤ 9 strips);

2.0mm to 3.0mm (≤ 5 strips);

Narrowest cutting width: 30mm

Finished strip width: 40-450mm;

Inner diameter:

Specification 1: Diameter 400 mm (true circle diameter 400 mm, coiled with inner lining ring);

Specification 2: Diameter 505 mm (true circle diameter 505 mm, coiled with inner lining ring)

Outer diameter: φ 800~φ 1600 mm;

Roll weight: Max 6000kg (including sleeve);

1.5. Precision of finished strip products

Width tolerance: ≤ 0.02 mm (≤ 100mm width);

≤ 0.04 mm (>100mm width)

Burr height: ≤ 2% with thickness (hard state);

≤ 3% thickness (semi hard state);

≤ 5% thickness (soft state);

Roll stacking error: ≤± 0.2m;

Roll tower shape: ≤± 1.0mm (except for 5 turns inside and outside the roll);

Maximum sickle bend with roll: ≤ 1mm/m;

1.6. Production line parameters

Transmission direction: right to left (viewed from the operating side)

Unit speed: ≤ 150m/min when thickness is 0.6-1.5mm

≤ 75 m/min at a thickness of 1.5-3.0 mm;

Speed control accuracy: ± 0.5-1%;

Tension control accuracy: ≤ 2% (in steady state), ≤ 3% (during acceleration and deceleration);

Winding tension: 7.2-24.3 KN;

Parking brake time: ≤ 10s

Emergency braking time: ≤ 3-5 seconds

Precision of disc scissor holder:

Shoulder end face and radial runout: ≤ 0.005mm;

Axial clearance of blade shaft: ≤ 0.0045mm;

Parallelism of two blade axes: ≤ 0.0075mm;

1.8. technological process

Material transportation → loading → unwinding → clamping → guiding → longitudinal cutting → edge wire winding mechanism → material storage bridge → pre sorting → damping tension → airbag tensioning → winding → unloading → discharging

1.9. Characteristics of Unit Process

1.9.1. In response to the quality requirements of precision belts, the longitudinal cutting machine equipment has high precision, with blade axis parallelism and blade axis end face runout below 0.005mm, and no axial clearance less than 0.0045mm;

1.9.2. In response to the requirement of no scratches on the surface of copper strip, airbag tensioning is adopted to ensure compliance with tensioning standards and prevent scratching of the strip by the pressure plate;

1.9.3. The vertical scissor shaft bearings adopt INA or SKF high-precision series, and the lubrication is centralized lubrication;

1.9.4. High control accuracy, simple operation, interlocking actions to ensure the safety of operators;

1.9.5. The transition rollers of the unit are coated with glue, and all roller tracks are lightweight rubber lined rollers used to protect the surface of the board;

1.9.6. Adopting AC frequency conversion control, with low maintenance costs;

1.9.7. Unit uncoiling and coiling constant line speed control, coiling machine constant line speed and tension;

1.9.8. The tension device airbag is controlled by proportional servo, which can display pressure online and modify pressure online, with high pressure control accuracy;

1.9.9. Main working parameter storage function of the unit;

1.9.10. Automatic prompt function for unit linkage conditions;

1.9.11. Data setting and display functions;

1.10. Equipment usage conditions:

1.10.1. Compressed air:

Pressure (dry): 0.5-0.8MPa

Dew point: -20 ℃ (under normal pressure)

1.10.3. Power supply conditions:

Power supply voltage: AC 415V ± 10% 50Hz ± 10% 3PH

AC 220V ± 10% single-phase

Control components and valve body: DC 24V

Usage environment: Suitable for -10 ℃ -50 ℃, humidity 20% -80% (non condensing);

Protection level: Electrical control cabinet, control console: IP15;