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High speed Silicon Steel Slitting Line
This line is for slitting silicon steel coil (CRGO & CRNO) into strip coils.
 
 
I Line buildup
1.1 Automatic motorized coil loading device, one set
1.2 Automatic hydraulic expansion decoiler, one set
1.3 High precision slitting device, one set, equipped with 12 pieces carbide alloy slitting blades
1.4 Guiding and damping device, one set
1.5 Hydraulic expansion recoiler, one set
1.6 Automatic motorized unloading device, one set
1.7 Electric control system, one set
1.8 Other accessories (storage pit cover, sensors, foundation bolts, bridge frame, etc.)

II Main features of the line
2.1 High speed, high precision, high automation
2.2 Decoiler & recoiler are cantilever type, hydraulic expansion
2.3 Slitting shaft adopts high precision bearings, very small radial and axial runouts.
2.4 High relibility and high accuracy spacer-positioning slitting blade
2.5 Whole line is PLC control, displaying slitting length and speed, one knob button for adjusting speed.
2.6 Whole line can be stop by pressing emergency stop button.
2.7 Damping device adopts pneumatic pressing, tension is even and recoiled strips are in order.
2.8 Decoiler, slitter and recoiler are inverter control, good synchronization, no need storage pit for decoiler.

III Main technical data

No. Item Data
1 Line speed 0~100 m/min
2 Suitable silicon steel coil width Max. 1250mm
3 Suitable silicon steel coil thickness 0.18~0.6mm
4 Suitable silicon steel coil weight Max. 6T
5 Decoiler drum diameter 460-530mm
6 Recoiler drum diameter 470-510mm
7 Max. slitting strip numbers 20
8 Min. slitting strip width 25mm
9 Slitting burr height Less than 0.02mm before grinding
10 Slitting blade Whole body Carbide alloy, ID 200mm, OD 280mm, thickness 10mm
11 Slitting blade life 100km before grinding; more than 20 times grinding
12 Slitting width precision +/-0.1mm
13 Linear straightness +/-0.15mm/2m
14 Length measuring precision < 1m/100m
15 Recoiling quality Non-ellipticity≤6mm;
side edge surface irregular≤2mm
16 Motor power for decoiling 7.5kW
17 Motor power for slitting 11kW
18 Motor power for recoiling 22kW
19 Motor power for hydraulic pump 3kW
20 Motor power for loading/unloading car movement 0.55kW
21 Motor power for loading/unloading car elevation 1.5kW
22 Air source 1.0MPa, 0.67m3/min
23 Total weight About 14T
24 Line occupation 12m x 6m

IV Main configurations
4.1 Side guides are carbide alloy
4.2 Delta PLC
4.3 Delta touch screen
4.4 Famous brand inverters from China
4.5 Best brand bearings from China (Haerbing)
4.6 Yukan hydraulic components from joint venture in China
4.7 Other main electrics are Schneider or ABB brands made in China

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