US898901A - Method of rolling plates. - Google Patents

Description

A. 'LAMBBRTBTIZ\\ LEEI'EOD OP ROLLING PLATES.

APPLICATION FILED APB. 6, 1907.

Patented Sept. 15, 1908.'

SHEETS-SEEE!! 1*... u l

Y v -lNvENToR ATTORNE YS- Patented sept.. l15, 1908. Y

' asuma-agian 2.

'nwrsNToR--l ATTORNEYS A. vLAMBxrorr. Y* .METHOD or ROLLING PL-Afrgs. urmonxou FILED Arx. e, 1901. 898,901, f

` NlmEssES 72m: MAL

i i l l,

" vnrrnn siraras narrar o ANDREW LaMBERTo-N,oreoATBRiDGE,SCOTLAND.

METHOD oF'noLLrNG PILATES.

No. ses,9o1.

Appuc'aaon mea April e, 1901'. serial No. 366,745.

T o all rE-om 'Zt ymay concern:

Be ir lmown that I, ANDREW LAMBERTON, a subject of the King of Great Brit-ain and Irelandand a resident of Coa'ibridge, in the county et Lanark, Scotland, have invented certain new and useful Improvements in the Methods of Rolling Plates, and of which the ollov. is the specification.

This invention relates to rolling mills of the dass used for the production of plates,

sheets, strips, and the like, of iron, steel, or other metal. Hitherto, for this purpose a pair of two-high reversing mills side by side, the one roughing and the other finishing have been used, the plates after a sufficient' number et passes through the roughing rolls being transferrec1 sidewisc to the finishing rolls. 0r, alternatively, three-high non-reversing rolls havebeen used. W'ith these 20 the lateral transference of the plates is unnecessary, but the wear upon the rolls--particularly upon that in the center-is excessive.

A made according to my invention is non-reversin and may therefore be driven by a high c ass and economical engine or other motor ruiming continuously in one direction. In it, the necessity for lateral transference of the plat-e and also the duplicate live-roller feeding tables of the usual two- 'gh mill are avoided, while also the rolls are not, in the three high mill subjected to excessive wear, nor are they, as in it, diiicult of adjustment forndraft.

My invention, consists essentially in arranging in a single or in separate housings two pairs of nonlrei-*ersing rolls runnin 1n opposite directions, preferably one rol at least or' which is not driven. The pairs of 40 rolls are arranged upon different levels, the

lower roll of the upper pair being parallel with and above or on the same level as the upper roll of the lower pair. Live roller feeding tables of usual form and which may, in usual manner, he brought level with the gap of either pair of rolls are provided, and the usual balance and draft adjustment devices are applied to one roll of each pair.

In order that the invention and the manner of performing the same may be properly undersood, there are hereunto appended two sheets et' explanatory drawings showing in plan in Figure 1, Sheet 1, and in side elevation in Fig. 2 Sheet 2, an exam )le of the improved non-reversing rolling n l.

Accordingto-tluslexample the two pairs,

Specification of Letters'Patent.

i l l Patented sept. 15, 1908.

,`B C,'D, of rolls are arranged in a single housing, E, the pair, A, B, Vbeing at a higher level tha-n the pair, C, D. Both rolls, C, D,

are driven, the first motion drive seing upon the shaft of the lowest'roll, D. The upper roll, C,' of this'pair'is driven by pair of pinions, G, H, while the lower roll, A, of the other pair of rolls is driven by a. pair of. pinions, J, K. As will he seen in Fig. 1, this gearing is carried in usual manner in a sep-- arate housing and drives the rolls throngli-,

the usual coupling shafts, L. to be understood that this particular arrangement of gearmg is only given by way of It is, of course,

example and that the pairs of rolls-may be i justed to the draft by means of me gear, N,

the upper roll, B, of the upper pair, A, B, is raised to pass the plate' freely. The live vroller tables, O, are then brought opposite the lower pair, C, D, and the plate is passed. The tables, O, are then raised, and the plate passed back freelythrough the upper rolls, A, B. The tables are then lowered (and with them the plate) to the lower rolls, C, D, and the plat-e again passed, and so on until roughing is concluded. The top finishing roll, B, is then lowered to its operative position above its com anion roll, the roughing rolls, C, D, acjusted to pass the plate freely, and the plate is then passed and repassed through the upper or finishing pair of rolls, A,`B, in the same manner as it was passed through the lower rolls. C, D, for roughing. Thus the high speed and economy in power associated with the threcdligh mill is attained with the accuracy of drafting only possible with a two-high nnlL What I claim iszy The method of rolling plates in a mill provided with roughing and finishing rolls arranged in tandem on differentA levels and driven in opposite directions which consists in passing the plate between the closed roughing rolls, bringing it to the `level of the finishing rolls, returning it between the open finishing rolls, bringing it to thelevel of the roughing rolls, passing it4 again through the latter and repeating this process until the plate is rea-dy for the finishing rolls, and then passing the plate between closed finishing rolls, bringing it to the level of the rougliing rolls, assing it back between' open roughing rolls, ringing it to the level of the finishing 10 rolls and passing it again between the latter and s o on until the finishing is completed,v substantially as described.

Intestiniony whereof I have signed my name to this specification, in the presence of two subscribing witnesses.

Y ANDREW L-AimERToN. Witnesses: i DAVID FERGUSON,

WILFRED HENRY. r

Images