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General Technical Requirements for Production Lines
The processing precision of the production line is in accordance with the relevant requirements of the “main technical parameters”. The seller is established on the basis of satisfying the buyer’s requirements and can make appropriate adjustments to the contents specified in the specification.
There is no abnormal vibration and noise for the product line and it should be in accordance with the requirements of the related state standards.
When hydraulic components and pressure station are normally operated and maintained according to Specifications, we make sure that it’s no leakage or natural damage. The replacement or maintenance should be supplied for the user in time.
Bead appearance of all the weld assemblies should be uniform in height and width. The connection between the weld assemblies and the parent metals should be transitioned smoothly. Getting rid of the splash and grinding are necessary to make the surface waviness nice and symmetry.
There is no crack, cold joint, slag inclusion, flame breakthrough, weld beading, undercut and air hole, etc. on the welded joint.
The appearance of the product line should be painted according to the user’s requirements.
Appearance of the paints: Oil film should be equal and there is no hanging stream, orange peel and pin-hole air bubble on it. Painting dressing surface shouldn’t show any trace of white.
Working Processing
Prepare coil
Loading coil
Uncoiling
Taking
Pinch
Hydraulic shear
Looper
Side Guide
Slitting
Scrap winding
Looper
Tail press
Separating
Tension
Feeding
Recoiling
Unloading
Capacity estimation table
1
Reliability
The designing of machinery have high reliability, it can make sure about the equipment working normally and continuously.
2
Safety
The machines, hydraulic and electrical system of the whole line have reliable protection and safety device.The equipment have emergency cut-off function and response device, it can emergency stop by manual or automatically.
3
Environmentally
Kinds of hydraulic oils of the machine tools used must be recycled, avoid from leakage and environmental pollution.
4
Energy-saving
Consider the energy consumption factors when design the equipment, using the higher transfer efficiency unit, combining product accuracy improvement, reduce the consumption.
5
Operation
This equipment can operation easily, and man-machine interaction convenience. Details refer to the electrical system specification.
Capacity estimation table
| Capacity estimation table | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| NO | thickness | width | Coil= 15t. Coil length= |
Slitting speed | Time to slitting the coil | Auxiliary time | Full time per coil | Annual working time fund | Annual productivity |
| mm | mm | m | m/min | m/min | min | min | Hour | ton | |
| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ | ⑨ | ⑩ |
| 1 | 1 | 1250 | 1538.46 | 120 | 13 | 20 | 33 | 6000 | 163,636 |
| 2 | 2 | 1250 | 769.23 | 100 | 8 | 20 | 28 | 6000 | 192,857 |
| 3 | 3 | 1250 | 512.82 | 100 | 6 | 20 | 26 | 6000 | 207,692 |
| 4 | 4 | 1250 | 384.61 | 80 | 5 | 20 | 25 | 6000 | 216,000 |
| 5 | 5 | 1250 | 307.7 | 70 | 5 | 20 | 25 | 6000 | 216,000 |
Note:
1. The line operates 120 hours a week, i.e. 5 working days of 24 hours;
2. Auxiliary time is the preparatory and final time (time for installing and refilling the roll into the line and removing the roll from the winder, replacing cutting knives, etc.)
Calculation of annual production:
Line ⑥ = Line ④ ÷ Line ⑤
Line ⑦ = according to the Supplier
Line ⑧ = Line ⑥ + Line ⑦
Line ⑩ = Line ⑨ x 60 ÷ Line ⑧ x 15 tons
1. The line operates 120 hours a week, i.e. 5 working days of 24 hours;
2. Auxiliary time is the preparatory and final time (time for installing and refilling the roll into the line and removing the roll from the winder, replacing cutting knives, etc.)
Calculation of annual production:
Line ⑥ = Line ④ ÷ Line ⑤
Line ⑦ = according to the Supplier
Line ⑧ = Line ⑥ + Line ⑦
Line ⑩ = Line ⑨ x 60 ÷ Line ⑧ x 15 tons
Motor configuration and power meter of main equipment of the unit
| NO | Name | Quantity | Motor power (KW) | Remark | |
|---|---|---|---|---|---|
| 交流AC | 直流DC | ||||
| 1 | Coil Car | 1 | 3 | Coil car moving | |
| 2 | Uncoiler | 1 | 30 | Uncoil power | |
| 3 | Material guiding machine | 1 | 55 | Working roll driving | |
| 4 | Slitting machine | 1 | 160 | Working roll driving | |
| 1 | 1.1 | Upper roll lifting | |||
| 1 | 0.75 | Arch forth and back | |||
| 5 | Scrap winder | 2 | 7.5 | Scrap power | |
| 6 | Recoiler | 1 | 200 | Recoil power | |
| 7 | Unloading car | 1 | 3 | Coil car moving | |
| 8 | Hydraulic system | 2 | 22 | Cylinder driving | |
| Total | ≈510 KW | Flexible design | |||
Frequently Asked Questions (FAQ)
Q1: What are the precision and quality standards for the production line?
The processing precision complies with the "main technical parameters." Weld assemblies feature uniform height and width, smooth transitions to parent metals, and are free of cracks, slag inclusions, undercut, or air holes.
Q2: How is the safety of the slitting production line ensured?
The machinery, hydraulic, and electrical systems are built with reliable protection and safety devices. The line includes emergency cut-off functions and response devices for both manual and automatic emergency stops.
Q3: What are the environmental and energy-saving measures implemented?
All hydraulic oils used must be recycled to prevent leaks and environmental pollution. The equipment design incorporates higher transfer efficiency units to minimize energy consumption while improving product accuracy.
Q4: How is the annual productivity of the slitting line calculated?
Annual productivity is calculated using the slitting speed, coil length, auxiliary preparation time, and the annual working time fund (typically 6,000 hours based on a 120-hour work week). The detailed calculation formula is provided in the Capacity Estimation Table.
Q5: What is the total power requirement for the main equipment?
The total power configuration for the main equipment is approximately 510 KW. This includes the power requirements for the coil car, uncoiler, slitting machine, scrap winder, recoiler, and hydraulic system under a flexible design.
Q6: What are the painting and cosmetic specifications for the line?
The line is painted according to user specifications. The paint film is applied evenly without orange peel, hanging runs, or pin-hole bubbles, and the dressing surface shows no trace of white.
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