US394021A - Mill for rolling side-flanged guard-rails - Google Patents
Mill for rolling side-flanged guard-rails Download PDFInfo
- Publication number
- US394021A US394021A US394021DA US394021A US 394021 A US394021 A US 394021A US 394021D A US394021D A US 394021DA US 394021 A US394021 A US 394021A
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- US
- United States
- Prior art keywords
- rails
- pass
- mill
- passes
- rolls
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005096 rolling process Methods 0.000 title description 8
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229940109526 Ery Drugs 0.000 description 2
- HDACQVRGBOVJII-JBDAPHQKSA-N Ramipril Chemical compound C([C@@H](C(=O)OCC)N[C@@H](C)C(=O)N1[C@@H](C[C@@H]2CCC[C@@H]21)C(O)=O)CC1=CC=CC=C1 HDACQVRGBOVJII-JBDAPHQKSA-N 0.000 description 2
- 230000002441 reversible Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/088—H- or I-sections
Definitions
- the object of this invention is to provide a set of rolls for facilitating the rolling of side flanged guard-rails having a cross-section inj dicated by the last or final pass shown in the accompanying drawings.
- Figure 1 shows in front elevation a pair of preliminary or reducing rolls.
- Fig. 2 shows in similar elevation a pair of rolls containing shaping and finishing passes.
- the upper roll in Fig. l is imlicated by the letter A and the lower roll by letter B.
- Pass No. 3 the hot metal is next run successively through the passes numbered from to fl, inclusive, between the rolls (I I) of Fig. 2.
- Pass No. I is a finishing pass. Said latter pass indicates the shape in cross-section of the finished rail.
- Pass No. 33 is a triangular pass, the bloom being entered therein on thediagonal.
- Nos. 4 and 5 are what may be termed oflset angularpa. .2 It will be observed that in these two passes the forming of the guard portion E is commenced, thus providing foran equalization of flow in the subsequent passes. The advantage of this is obvious when the greater height of the guard portion E in the finished section, il'ldicated by pass No. 9, is observed. In said pass the metal in finished shape of rail-section is rolled upside down, as will be perceived.
- passes Nos. 7 and 9 the forming of this por tion is done with the side flange vertical.
- passes ti and 8 there is no grooving action on 1 the head portion, said grooving action being confined to passes 7 and S).
- the rolls are mounted in housings in the usual manner, and starting with the shape of blank, somewhat like that made in pass No.
- guard E of the finished rail is of substantial proportion and protrudes above the level of the head e of the rail.
- rolls can, if desired, be made three high instead of two high, as shown.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Description
(No Model.)
B. SIMPSON.
MILL FOR ROLLING SIDE FLANGED GUARD RAILS.
No. 394,021. Patented Dec. 4, 1888.
W'Ynessas.
PATENT OFFICE.
EDWARD SIMPSON, OF JOHNSTCHVN,
PENNSYLVANIA, ASSIGNOR TO THE JOHNSON STEEL STREET RAIL COMPANY, OF KENTI'CKY.
MILL FOR ROLLING SIDE- FLANGED GUARD-RAILS.
SPECIFICATION forming part of Letters Patent No. 394,021, dated December 4, 1888.
Application filed February 15, 1888. Serial No. 284,136. (No model.)
To all whom it may concern.-
Be it known that I, EDWARD SIMPSON, of .Iohnstown, in the county of (ambria and State of Pennsylvania, have invented new and useful. Rolls for Rolling Side-Flanged Guard-Rails, which invention is fully set forth and illustrated in the following specification and accompanying drawings.
The object of this invention is to providea set of rolls for facilitating the rolling of side flanged guard-rails having a cross-section inj dicated by the last or final pass shown in the accompanying drawings.
The invention will first be described in detail, and then set forth particularly in the;
claim.
I11 the accompanying drawings, Figure 1 shows in front elevation a pair of preliminary or reducing rolls. Fig. 2 shows in similar elevation a pair of rolls containing shaping and finishing passes.
In said figures the several parts are indicated. by letters and nmnbers of r(,*i'erence as follows:
The upper roll in Fig. l is imlicated by the letter A and the lower roll by letter B.
The bloom is entered at pass No. l, and successively rolled through eachpass until it assumes the shape indicated by pass No. 2'
From pass No. 3 the hot metal is next run successively through the passes numbered from to fl, inclusive, between the rolls (I I) of Fig. 2. Pass No. I is a finishing pass. Said latter pass indicates the shape in cross-section of the finished rail.
Pass No. 33 is a triangular pass, the bloom being entered therein on thediagonal. Nos. 4 and 5 are what may be termed oflset angularpa. .2 It will be observed that in these two passes the forming of the guard portion E is commenced, thus providing foran equalization of flow in the subsequent passes. The advantage of this is obvious when the greater height of the guard portion E in the finished section, il'ldicated by pass No. 9, is observed. In said pass the metal in finished shape of rail-section is rolled upside down, as will be perceived. This is preferable on account of the delivery of the long side flange, though it is not essential, as the process of rolling could be equally as well effected by rey'ersing the rolls, merely making such difference in their diameters as would be necessary to effeet straight delix'ery on such reversal. In passes Nos. 6 and 8 the side lug, F, on the angle-flange, is formed on the horizontal. In
passes Nos. 7 and 9 the forming of this por tion is done with the side flange vertical. In passes ti and 8 there is no grooving action on 1 the head portion, said grooving action being confined to passes 7 and S).
The rolls are mounted in housings in the usual manner, and starting with the shape of blank, somewhat like that made in pass No.
3, preparatory for the next pass, it is not important how said preparatory shape is obtained by previous processes.
It will be noticed that the guard E of the finished rail is of substantial proportion and protrudes above the level of the head e of the rail.
I do not limit myself to the exact number or distribution of passes shown, as the number of passes and their distribution into rmighing or reducing and finishing passes is to a certain extent arbitrary, being influenced by the length and diameter of the rolls, a light train of rolls calling for more passes with lighter draft than a heavy roll train. It
is also evident that the rolls can, if desired, be made three high instead of two high, as shown.
Having thus fully described my said improvement as of my invention, I claim A set of rolls forrolling side-flanged guard rails having super-elevated guards, as E, provided with passes, substantially as hereinbefore described, having the conformations indicated in the accompanying drawings bythe numbers from i to 9, inclusive, substantially as and for the purposes set forth.
EDWARD SIMPSON.
"itn esses:
F. P. BOWMAN, A. MONTGOMERY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US394021A true US394021A (en) | 1888-12-04 |
Family
ID=2462990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US394021D Expired - Lifetime US394021A (en) | Mill for rolling side-flanged guard-rails |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US394021A (en) |
-
0
- US US394021D patent/US394021A/en not_active Expired - Lifetime
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