The Morgårdshammar Wire Rod Block is supplied as 4, 6, 8, and 10 roll units for twist-free rolling. A primary gearbox drives the roll units via two common shafts. Two different sizes of roll units are available, with ∅ 170/150 mm rolls and ∅ 223/200 mm rolls. All roll units are identical and interchangeable. Morgårdshammar can offer blocks with different reduction ratios, such as 20%, 16%, or 14% average reduction per pass, depending on steel grades to be rolled. The block is designed for a speed of 120 m/s.
Morgårdshammars Garrett coilers with handling equipment are specially designed to avoid surface defects and to obtain the best density in the coil. The coilers are of drum coiler type. The drum is made of nodular cast iron that gives a minimum of friction between the hot bar and the drum. The inner surfaces of the coiler drum are machined and have no ribs. A continuous water cooling system ensures that the shape of the drum is maintained even under very high thermal load conditions. Pinch-roll units are located in front of the feed pipes. The unique feed pipe arrangement guides the front end of the bar down to the bottom of the coiler in order to avoid overfill. During coiling operation, the position of the feed pipe automatically changes in order to avoid an unnecessary hard bend of the bar between the guide pipe and the top of the coil.
A unique coil collector fitted with expanding fingers guarantees that all waps are removed from the coiler drum. The coil collector is fitted with compacting devices that compress the coil during the transfer from the coiler to the coil collector. When the lifting plate has reached its top position, the fingers inside the coil collector are swung out below the lower part of the coil and retain the coil when the lifting plate is lowered to coiling position. By means of a turnable lifting device, the finished coil is placed on a cooling conveyor for further transportation to the binding station.
The Morgårdshammar AB business idea is to offer the market technically/economically favourable production solutions and services with reference to equipment for rolling of small, long products for the steel industry.
Our organisation comprises all links in the chain from sales to the commissioning of plants. Undertaking delivery of single machines to complete turnkey jobs is normal routine. For many years Morgårdshammar has been co-operating with a number of well-reputed suppliers of electrical equipment.