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Cold Rolled Ribbed Bar Production Line

2 Ribs Rebar Cold Rolling Mill Production Line

2 Ribs Rebar Cold Rolling Mill Production Line

Two ribs and three ribs rebar cold rolling mill production line developed by Gongyi Jindi has been optimized each system and achieve automation which greatly improved line speed and product quality of cold rolled ribbed steel bar production line. Yield strength of cold rolled ribbed steel produced by this new production line is 545Mpa, tensile strength is 590Mpa and elongation is 12-18.2 ribs cold rolling mill production line is made of derusting machine, main rolling machine, straightening machine, heat-treatment equipment, flying shear and a flip rack.

1. The whole plan description:

.........Raw material type : Q235、Q215, low carbon, and middle carbon steel

.........Input diameter scope: 6.5-16mm

.........Output diameter scope: 5-14mm

........ Speed of produced finished product ......... 2-3m / s.

.........Capacity: 20-80T/shift(One shift =8 hours)

 

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2. Technical Process:

Layout 1

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Layout 2

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3. Technical specification of cold rolled ribbed production line for 2 ribbed steel

Item

Small type LLZ210

Medium type LLZ228

Medium type LLZ250

Large type LLZ285

Unit

Raw material

Φ6.5-10

Φ6.5-12

Φ6.5-14

Φ10-16

mm

Roller Diameter

Φ210

Φ228

Φ250

Φ285

mm

Power

55-75

75-110

110-132

130-160

KW

Center distance between gears

650

650

650

700

mm

Rolling speed

1.5-2

1.5-3

1.5-2.5

2-3

m/s

Cutting length

1.5-12

1.5-12

1.5-12

1.5-12

m

Motor of flying shear   

5.5

7.5

11

15

KW

Product specification

Φ5-8

Φ5-10

Φ5-12

Φ8-14

mm

Output

20-35

25-50

40-70

60-80

T/Shift

 

The whole set of 2 ribbed cold rolling line were composed with:
1. Pay-off machine

2. Scaling and reducing machine(Dephosphorization and reducing the diameter)

3. Rolling mill  
4. Straightening machine
5. Heat treatment ( if you want tensile strength, yield strength and elongation rate of steel bar to be improved, this machine should be add )
6. Flying sheart (the cutting length on the basis of your setting from 1.3-12mm, its speed 1.5-3m/s, below 16mm reinforced steel bar can be cut )

7. Flip rack collecting rebar in straigaht, spool taking up mahcine collecting rebar in coil.

8. Integrated control cabinet

The line speed is 1.5-3m/s and can be adjusted. The capacity will depend on diameter of rebar from 2t/h to 8t/h.

 

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