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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.
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.
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.
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
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1.
Reliability: The designing of machinery have high reliability, it can make sure about the equipment working normally and continuously.
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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.
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3.
Environmentally: Kinds of hydraulic oils of the machine tools used must be recycled, avoid from leakage and environmental pollution.
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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.
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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:
The line operates 120 hours a week, i.e. 5 working days of 24 hours;
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
The line operates 120 hours a week, i.e. 5 working days of 24 hours;
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)
Q
What are the general welding and appearance standards for the production line?
All weld assemblies must feature uniform bead height and width with smooth transitions to parent metals. The joints must be free of cracks, cold joints, slag inclusion, weld beading, and air holes. Painting must have an even oil film without orange peel, bubbles, or white traces.
Q
What is the sequence of the working process?
The workflow follows: Prepare coil → Loading coil → Uncoiling → Taking → Pinch → Hydraulic shear → Looper → Side Guide → Slitting → Scrap winding → Looper → Tail press → Separating → Tension → Feeding → Recoiling → Unloading.
Q
What safety and environmental measures are integrated into the machinery design?
The machines include reliable protection and safety devices with emergency cut-off functions (manual or automatic). Environmentally, all hydraulic oils must be recycled to prevent leakage and pollution.
Q
How is the annual productivity of the slitting line calculated?
Annual productivity is calculated by multiplying the annual working time fund (6000 hours) by 60, dividing it by the full time per coil (slitting time + auxiliary time), and multiplying the result by the 15-ton coil weight.
Q
What is the total motor power configuration for the main equipment?
The total estimated motor power configuration for the unit is approximately 510 KW, designed flexibly to support AC and DC operations across different components like the recoiler, uncoiler, and slitting machine.
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