Stretch-reducing mill, mod. SRW 300 IV 28 E

Factory of origin - “Mannesmann Meer AG” Germany, 1974 YOM

Technical specification:

1. 1.   Stretch-reducing mill

Final pipe rolling:

- diameter, mm ………………………………………………..……... 21,3 – 114,3;

- pipe wall thickness, mm ……………………..…………….......……….. 2 – 14;

Quantity of roll mill stands, pcs ..………………………………………….…. 28;

Quantity of electric motors (separate for each roll mill stand), pcs. …… 28;

Characteristics of each electric motor (Brown Bowery):

-      power, kW ………………………………………………………………. 100/100;

-      rev/min ………………………………………………………………. 1000/2000;

Inlet average velocity, m/sec ………………………………..….….… 1,25 – 1,82;

Outlet velocity, m/sec …………………………………………….……..… 2,5 – 10;

Capacity, tons per hour ……………………………………………….…… from 30;

1. 2.   Roll mill stands

Quantity of rolls for 1 stand, pcs ………………………………………………… 3;

Distance between stands, mm:

-      1-6 ………………………………………………………………..……………… 260;

-      stands 6-28 ………………………………………….…………………………. 280;

Rolls diameter, mm:

- theoretical ………………………………………………………………………… 300;

- maximum full diameter ……………………………….………………………. 126;

Diameter of the first stand roll, mm ………..………………………………… 122;

Quantity of roll mill stands in stock, pcs ….………………………………… 245;

1. 3.   The mechanism of roll mill stands' change

Type: carriage

Motor: 7,4 kW

Adjustment on-site: hydraulic cross bar

1. 4.   Roll-turning lathe for making rolls:

Manufacturer: Becker A. G.

Model: KRI 30 V

Total weight of the mill and auxiliary equipment, kg …………..…. 390 000.

The Stretch-reducing mill SRW 300 IV 28 E “Mannesmann Meer AG” Germany, 1974 YOM, is supplied together with a roll-turning lathe for making rolls (Manufacturer: Becker A. G. Model: KRI 30 V).

The mill and its additional equipment were exploited in Europe till 2000. Then it was dismantled, packed and transported to Russia for the purpose of further use.

But the equipment was not applied for production process. It was not exploited in Russia, it is still packed.

The machine is sold in its present condition. It goes with technical documentation, manuals, drawings.