Making and coiling rod and wire
AssigneeSMS Meer GmbH
InventorPeter Haak
Life of this patent
Estimating the term…
Abstract
A method of making wire has the steps of rolling out a wire in a mill having a finishing stand from which the wire exits at a predetermined and varying travel speed VD, pulling the wire through a cooling/equalizing stretch downstream in a travel direction from the finishing stand by means of a cooler drive at a downstream end of the finishing stretch such that the wire exits the cooler drive substantially at the travel speed VD, passing the wire through a looping stretch downstream of the cooler drive to a looper drive, operating the looper drive at such a speed that the wire forms a loop between the cooler drive and the looper drive and exits the looper drive at a looper speed VT normally different from the travel speed VD, and forming the wire into turns and depositing the turns as a coil downstream of the looper drive.
Claims12
A method of making wire comprising the steps of:
- rolling out a wire in a mill having a finishing stand from which the wire exits at a predetermined and varying travel speed VD;
- pulling the wire through a cooling/equalizing stretch downstream in a travel direction from the finishing stand by means of a cooler drive at a downstream end of the finishing stretch such that the wire exits the cooler drive substantially at the travel speed VD;
- passing the wire through a looping stretch downstream of the cooler drive to a looper drive;
- operating the looper drive at such a speed that the wire forms a loop between the cooler drive and the looper drive and exits the looper drive at a constant looper speed VT;
- and
- forming the wire into turns and depositing the turns as a coil downstream of the looper drive.
A method of making wire comprising the steps of:
- rolling out a wire in a mill having a finishing stand from which the wire exits at a predetermined and varying travel speed VD;
- pulling the wire through a cooling/equalizing stretch downstream in a travel direction from the finishing stand by means of a cooler drive at a downstream end of the finishing stretch such that the wire exits the cooler drive substantially at the travel speed VD;
- passing the wire through a looping stretch downstream of the cooler drive to a looper drive;
- operating the looper drive at such a speed that the wire forms a loop in the looping stretch between the cooler drive and the looper drive and exits the looper drive at a looper speed VT;
- forming the wire into turns and depositing the turns at a coiler speed as a coil downstream of the looper drive;
- detecting a height of the loop;
- increasing the looper speed and coiler speed when the detected height exceeds a predetermined limit;
- and
- decreasing the looper speed and coiler speed when the detected height goes below a predetermined limit.
A system for making wire, the system comprising:
- a mill having a finishing stand and operable to produce wire that exits the finishing stand at a predetermined and varying travel speed VD;
- means including a cooler drive downstream in a travel direction from the finishing stand for pulling the wire through a cooling/equalizing stretch between the finishing stand and the cooler drive that the wire exits the cooler drive substantially at the travel speed VD;
- means including a looper drive downstream from the cooler drive for passing the wire through a looping stretch between the cooler drive and the looper drive;
- control means for operating the looper drive at such a speed that the wire forms a loop between the cooler drive and the looper drive and exits the looper drive at a substantially constant looper speed VT;
- and
- means downstream of the looper drive for forming the wire into turns and depositing the turns as a coil downstream of the looper drive.
Dependencies are inferred from the claim text.