MACHINES, EQUIPMENT, PROCESSING SYSTEMS

CUTTING MACHINES

Additional information:	Deputy Chief Design Engineer of Ore-Mining and Press-Forging Equipment Production Unit	Silchenko Yuriy Anatolyevich	phone: +38 (0626) 47-86-42
	Head of Earth-moving Machines Design Office	Kalashnikov Oleg Yuryevich	phone: +38 (0626) 47-85-69
	E-mail:kgro@nkmz.donetsk.ua fax:+38(0626)47-15-49

NKMZ possesses wide expirience in the design, manufacture and complete delivery of varios types of shears for cutting slabs, blooms bars as well as strips and plates both in hot and coldcondition. These shears successfully operate in Ukraine, Russia, Poland, Nigeria, India, Moldaviau, Austria and other countries of the words.
By now designed and manufactured have been more than 100 varios-type shears including:

Twinned side trimming shears

Slitting shears;

Cross cutting shears with "rolling" cut;

Cross cutting guillotine shears

Bar and shape cold shears ;

Bar flying shears;

Snap flying shears;

Rotary trimming shears;

Hot shears with cutting force between 8 and 28 MN for breakdown and billet mills;

Drum-type scrap shears;

Flying shears with cut omission;

Hydraulic shears;

Scrap chopper;

Drum-type flying shears;

Multicircular shears.

TWINNED SIDE TRIMMING SHEARS

Rolling mill	Year of manufacture	Quantity
3000-mm Plate mill (Integrated iron and steel works named after Ilyich, Mariupol, Ukraine)	1984 1985 1991	1 1 1
5000-mm Plate mill (JSC Integrated iron and steel works ""Severstal""Cherepovets,Russia)	2002	1

Parameter	5000-mm Plate mill JSC ""Severstal""
1.Characteristics of plates being cut:
1.1. Plate thickness, mm	10...50
1.2. Plate length, m	8...30
1.3 Width of plate before cutting, mm	1600...4800
1.4.Max. plate weight, kg	1500...4600
1.5 Plate width, mm	35000
1.6. Tensile strength of material of plate up to 40 mm thick, N/mm2	1200
1.7 Tensile strength of material of plate up to 50 mm thick, N/mm2	700
2. Number of cuts per minute	16...24
3. Max. cutting force, kN	7300

CROSS CUTTING SHEARS with "ROLLING" CUT

Rolling mill	Year of manufacture	Quantity
2300-mm Plate mill (Donetsk steel plant, Ukraine)	1987	1
ТЛС-2800-mm Plate mill (Alchevsk Integrated iron and steel works, Ukraine)	1996	2
5000-mm Plate mill (JSC Integrated iron and steel works ""Severstal""Cherepovets, Russia)	2002	1

Parameter	2300-mm Plate mill Donets Steel Plant	For 2800-mm Plate mill Alchevsk Integrated iron and steel works	5000-mm Plate mill JSC ""Severstal""
1. Characteristics of plates being cut:
1.1. Plate thickness	5...20	10...50	10...50
1.2. Plate width, mm	1100...1920	up 2700	up 4800
1.3.Plate material tensile strength, N/mm2²	1000	up 1000	up 1200
1.4. Temperature, oС	20	up 600	up 80
2. Number of carriage double strokes per minute, nos.	24	20	up 16
3. Blades opening, mm	197	148	226
4. Max. cutting force, MN	1,6	15,2	17,5

CROSS CUTTING GUILLOTINE SHEARS

Rolling mill	Year of manufacture	Quantity
3600-mm Plate mill (Steel Plant, Czestochowa, Poland)	1971	1
3600-mm Plate mill (Steel Plant, Bhilai, India)	1978	1
3000-mm Plate mill ( Integrated iron and steel works named after Ilyich, Mariupol, Uktaine)	1983	1
2000-mm Plate mill (Steel Plant ""Krasnyi Oktyabr"", Volgograd, Russia)	1987	2
2000-mm semi-continuous wide-strip mill (Integrated iron and steel works, Krasnoyarsk, Russia)	1984	2
810-mm Rolling mill Integrated iron and steel works, Novosibirsk, Russia)	1989	1

Parameter	3000-mm Plate mill Integrated iron and steel works named after Ilyich, Mariupol, Ukraine	3600-mm Plate mill Steel Plant, Bhilai, India	2000-mm Semi-continuous wide-strip mill Integrated iron and steel works, Krasnoyarsk, Russia	3600-mm Plate mill Steel Plant, Czestochowa, Poland
1.Characteristics of plates being cut:
1.1. Plate thickness, mm	5...25	5...40	up 100	up 40
1.2. Plate width, mm	650...2850	up 3450	up 1500	up 3450
1.3. Plate material tensile strength, N/mm2²	up 900	800		1200
1.4. Temperature, oС	up 800		up 350
2. Number of carriage double strokes per minute, nos.	up 18	12,9	10	12,9
3. Blades opening, mm	97	137	15,20 и 25	137
4. Max. cutting force, MN	7	12	12,5	12

BAR AND SHAPE COLD SHEARS

Rolling mill	Year of manufacture	Quantity
700-mm Medium section-beam mill (Steel Plant, Ajaokuta, Nigeria)	1987	2

Parameter	700-mm Medium section-beam mill Steel Plant, Ajaokuta, Nigeria
1. Range of shapes being cut:
1.1.I-beams up to No.30 included
1.2.Channels up to No.30 included
1.3. Angles up to No.12, included
1.4. Strips up to 10х450 included
1.5. Round steel bars up to 35 included
1.6. Other shapes with the total cross-section area, no more than, mm	6000
2. Cutting force:
2.1. At vertical cutting, kN	10000
2.2. When cutting at the angle of 45 degrees, kN	7500
3. Number of strokes per minute:
3.1. Working, strokes/min	10
3.2. Idle, strokes/min	20

BAR FLYING SHEARS

Rolling mill	Year of manufacture	Quantity
320/150-mm Wire-rod mill (Steel Plant, Rybnitsa, Moldavia)	1997	1
Small section mill, NGMK ("Severnikel" Norilsk, Russia) ("Северникель"	1996	2
250/150-mm Rolling mill (JSC ""NSMMZ" Nizhnie Sergi, Russia)"	2003	1

Parameter	250/150-mm Rolling mill JSC "NSMMZ"З" Nizhnie Sergi, Russia
1. Characteristics of rolled stock being cut:
1.1. Material - carbon commercial quality steel, carbon quality structural and structural low-alloyed steel
1.2. Cross section area being cut with straight blades, sq.m	up 650
1.3. Range of products being cut with shaped blades:
1.3.1. Equilateral angle	№ 2,5; 3; 3,2; 3,6; 4; 5
1.4. Max. tensile strength, MPa	97
2. Temperature of material being cut, oС	900...1000
3. Rolled product movement speed, m/sec	6...12

SNAP FLYING SHEARS

Rolling mill	Year of manufacture	Quantity
320/150-mm Wire-rod mill (Steel Plant, Rybnitsa, Moldavia)	1997	2

ROTARY TRIMMING SHEARS WITH SCRAP CHOPPER

Rolling mill	Year of manufacture	Quantity
АПР5-25х2350 (JSC "ММК", Magnitogorsk, Russia)	2008	1

ROTARY TRIMMING SHEARS

Rolling mill	Year of manufacture	Quantity
1700-mm Rolling mill (Integrated iron and steel works named after Ilyich, Mariupol, Ukraine)	1998	1
2250-mm Plate mill (Alchevsk Integrated iron and steel works, Ukraine)	1996	1
2840-mm Aluminium hot strip mill JSC( ""KUMZ"",, Kamensk-Uralsk, Russia)	2001	1
2350-mm Rolling mill (JSC "MMK", Magnitogorsk, Russia)	2006	1
Three-high mill Pauta (Integrated iron and steel works "Staleva Volya", Poland)	2007	1

Parameter		2150-mm rolling mill "Staleva Volya", Poland
1.Characteristics of strip being cut:
1.1. Strip thickness, mm	5…25	in cold condition 8...25 in hot condition (700...750 С) 26...40
1.2. Width of strip after side trimming, mm	1000…2350	700...2000
1.3. Strip material tensile strength, MPa	1000
1.4. Min. width of trimmings being cut, mm	1-2 thickness	max 150
2. Trimming mechanism:
2.1. Rotary blade dimensions:
2.2. Blade diameter, mm	1000	920...1000
2.3. Cutting speed, m/sec	0,2…0,6	0,2
2.4. Max. cutting force, MN	1,3
3. Scrap chopper:
3.1. Max. cutting force, MN	0,9
3.2. Number of blades per drum, nos.	4
3.3. Max. length of scrap after breaking, mm	544

HOT SHEARS
with cutting force between 8 and 28 MN for breakdown and billet mills

Rolling mill	Year of manufacture	Quantity
Azerbaijan, Bulgaria, Georgia, India, China, Russia, Romania, Ukraine, Poland		49

Parameter	2840-mm Aluminium hot strip mill JSC ""KUMZ"",, Kamensk-Uralsk, RUSSIA
1. Characteristics of metal being cut:
1.1.Maximum bloom section, mm	300х300
1.2. Temperature,o С	1000
2. Blades opening, mm	485
3. Number of cuts per minute, nos.	10
4.Max. cutting force, MN	10

DRUM-TYPE SCRAP SHEARS

Rolling mill	Year of manufacture	Quantity
3000-mm Plate mill (Integrated iron and steel works named after Ilyich, Mariupol, Ukraine)	1983	1

FLYING SHEARS with CUT OMISSION

Rolling mill	Year of manufacture	Quantity
250-mm Wire-rod mill, Integrated iron and steel works ""Krivorozhstal"", Krivoi Rog, Ukraine	1998 1999	4 4

HYDRAULIC SHEARS

Rolling mill	Year of manufacture	Quantity
Combined welding machine ( ("VAI" "" Austria, Gallardo, Spain)	1998	1
Strip welding machine (ф. "VAI" "VAI" Austria, Condessa, Spain)	1999	1
АПР5-25х2350 (JSC "MMK", Magnitogorsk, Russia)	2008	1

Parameter	Value
1 Characteristics of strip being cut:
1.1 Thickness of strip being cut, mm	5…25
1.2 Width of strip being cut, mm	1000…2350
1.3 Max. tensile strength, MPa	1000
2. Shearing force, MN	6,3
3. Top herringbone blade slope, deg	3

HYDRAULIC FLYING SHEARS

Rolling mill	Year of manufacture	Quantity
Billet CCM ( (Steel Plant, Yenakievo, Ukraine)	2000 2003	7 7
Billet CCM (Continuous casting-direct rolling plant, Yartsevo, Russia)	2004	3
АПР5-25х2350 (JSC "MMK", Magnitogorsk, Russia)	2008	1

Parameter	Value
1 Characteristics of strip being cut:
1.1 Thickness of strip being cut, mm	5…25
1.2 Width of strip being cut, mm	1000…2350
2. Shearing force, MN	6,3
3 Finished sheet length, mm	3000…12000
4. Strip movement process speed, m/sec	0,2…0,6
5. Max. shears stroke, mm	3500
6. Top herringbone blade slope, deg	3

SCRAP CHOPPER

Rolling mill	Year of manufacture	Quantity
2800/1700-mm Rolling mill ( (Integrated iron and steel works """"Severstal, Cherepovets, Russia)	2000	1
2800-mm Rolling mill ( (Alchevsk Integrated iron and steel works, Ukraine)	2006	2

Parameter	2800/1700-mm Rolling mill Integrated iron and steel works """Severstal, Cherepovets, Russia
1. Characteristics of strip being cut:
1.1. Thickness, mm	8...30
1.2. Width, mm	1000…2600
1.3. Max. tensile strength, MPa	800
2. Max. scrap width, mm	150
3.Speed of trimmings coming for crushing, m/sec	0,415
4. Max. scrap length after crushing, mm	544
5. Max. cutting force, kN	650
6. Number of blades per drum, nos.	4

DRUM-TYPE FLYING SHEARS

Rolling mill	Year of manufacture	Quantity
АПР No.3 ( ""(JSC ""Severstal, Cherepovets, Russia)	2002	1

Parameter	АПР No.3 JSC ""JSC ""Severstal, Cherepovets, Russia
1. Material of strip being cut	cold-rolled carbon steel
2. Tensile strength of material, MPa	up 650
3. Strip thickness, mm	0,5...2,5
4. Strip width, mm	500...1600
5. Length of sheets being cut, mm	500...6000
6. Tolerance for length of sheets being cut, mm	0...+1
7. Strip movement speed - working, m/sec	0,5...5
8. Diameter of cutting edges path, mm	760

MULTICIRCULAR SHEARS

Rolling mill	Year of manufacture	Quantity
АПР No.3 ( "(JSC "Engels pipe plant", Russia)"	2002	3

Parameter	Value
1. Strip material:	cold-rolled carbon steel
2. Tensile strength of material, MPa	up 650
3. Strip thickness, mm	0,5...2,5
4. Strip width, mm	500...1600
5. Length of sheets being cut, mm	500...6000
6. Tolerance for length of sheets being cut, mm	0...+1
7. Strip movement speed - working, m/sec	0,5...5
8. Diameter of cutting edges path, mm	760

Calculations of kinematic and power parameters of shears are made using the computer software products that enable to design them within the shortest possible time providing optimum material to power consumption ratios during operation. Calculations of kinematic and power parameters of shears are made using the computer software products that enable to design them within the shortest possible time providing optimum material to power consumption ratios during operation. We are prepared to design and deliver at the Customer's request the other modifications of the cutting machines as well as to supply spares and replacement sets to them.