EP1708831A1 - Mehrteilig ausgeführter walzenständer für stauchgerüste in walzwerken - Google Patents
Mehrteilig ausgeführter walzenständer für stauchgerüste in walzwerkenInfo
- Publication number
- EP1708831A1 EP1708831A1 EP04790764A EP04790764A EP1708831A1 EP 1708831 A1 EP1708831 A1 EP 1708831A1 EP 04790764 A EP04790764 A EP 04790764A EP 04790764 A EP04790764 A EP 04790764A EP 1708831 A1 EP1708831 A1 EP 1708831A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crosshead
- stand according
- screws
- cross
- longitudinal
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
Definitions
- the invention relates to a roll stand for upsetting stands in rolling mills, which is designed in several parts and consists of main components, such as, for example, crossheads and longitudinal spars, which are connected to one another by means of screws.
- Roller stands for upsetting stands are mostly cast structures to accommodate the assemblies required for the upsetting process, such as for adjustment, balancing, upsetting roller set, gear, motor and the like. like.
- the cast structures are known in a two-part design, in which the roller stand has a horizontal parting line and both halves are connected in a form-fitting manner, for example by means of a shrink ring.
- the invention has for its object to improve compression structures of the multi-part design such that the constriction of the stand window, the loading drive load and the impact force (maximum horizontal force under which the rolling stock is conveyed against the closed rolls of a vertical stand) are better taken into account.
- a common connection point for the crosshead and the longitudinal spars is provided in a cross shape at the upper and lower longitudinal spar ends, at least Prestressed through-bolts acting as articulations are used at the upper longitudinal beam ends.
- These preloaded through bolts ensure a permanently secure connection with a high preload. On the one hand, this means that the additional screw force remains relatively low compared to the pre-tensioning force, and on the other hand, gaping or breathing of parting lines is avoided.
- the articulated connection by pretensioning also causes a smaller constriction of the stator window under load compared to a comparable, only two-part compression frame.
- the special cross shape at the longitudinal spar ends optimizes the tension level and the stress curve in the longitudinal spars and / or the crosshead.
- Replicas based on the finite element method have provided evidence of these findings.
- an optimum for the screw pretension can be found, in which the design-related bore in the crosshead for receiving the adjusting device for the tool is not significantly deformed in accordance with tighter tolerances.
- the crossheads are each made in one piece and can each be attached to a sole plate.
- the crossheads form a connection with the longitudinal bars and form a bond with the prestressed through bolts.
- the manufacture of the roll stand is also favorably influenced by the fact that at least the crossheads and the longitudinal bars are each made of cast materials.
- the statics is also supported by the fact that the through screws are arranged in pairs symmetrically to the center plane.
- bolts are provided in pairs symmetrically to the center plane.
- a further embodiment consists in that the longitudinal spars are fastened in the respective crosshead via the cross shape, the through screws and the screw bolts.
- the bolts can be screwed into threaded blind holes in the crosshead and arranged towards the outside of the roll stand.
- connection between crosshead and longitudinal spars are preferably formed in such a way that a cross-shaped pocket is provided in the crosshead, into which an internal spring shape and an external spring shape engage.
- the dimensions of the spring shapes are based on the design requirements of the crosshead and are of a size that allows the preloaded through screws to be inserted through two longitudinal bars each past the internals in the crosshead.
- the outer cross leg or the inner cross leg each form a groove shape or a tongue shape, which fit into each other when facing each other.
- This groove shape and the tongue shape are embedded in the matching cross-shaped pocket of the crosshead, which in turn is the has the corresponding groove shape and tongue shape and thus form a positive connection between crosshead and longitudinal spars.
- the cross-sectional profile of the longitudinal spar transversely to the cross legs in the form of a tongue or groove or to the pocket in the crosshead depends on the specific loads on the compression frame with regard to the operating force and impact force and is of different sizes over the length of the longitudinal spar.
- the cross section essentially follows the shape of a beam of the same stress.
- the cross-sectional transitions in the crosshead and / or in the longitudinal spars are provided with adapted large radii in accordance with the operating force and an impact force. This ensures an even voltage curve.
- the cross-shaped pockets of the crosshead and the cross-shaped spring forms of the respective longitudinal spar ends are provided with chamfers.
- the chamfers can be filled with sealants, e.g. silicone. This prevents dirt, water and other foreign substances from entering.
- the screw bolts are also designed as expansion screws and, like the through screws, have a heating hole, threaded ends and centering lugs to facilitate assembly. All through bolts and bolts are equipped with a longer thread end, which allows pulling and controlled tightening with appropriate pretensioning tools, which ensures reliable control of the pretensioning force.
- a modification of the design described above can be created in that the crosshead is separated into a crosshead upper part and a crosshead lower part and the upper part and lower part by means of a shrink ring, a flange connection or an intermediate piece are connected to one another.
- FIG. 3 shows a single longitudinal spar in a perspective view
- FIG. 4 shows a section B-B in the upper part in a front plane and a section C-C in the lower part in a rear plane according to FIG. 1,
- 5A is a view of the cross shape in the crosshead
- FIG. 5B shows a side view of FIG. 5A
- FIG. 66 shows a partial section through the end of a longitudinal spar
- FIG. 7 is a plan view in the direction “A” (FIG. 6) of the cross shape in the longitudinal spar,
- Fig. 8 is a view of a through screw
- Fig. 9 is a view of a screw bolt.
- the main components 1 consist of two crossheads 1a and 1b and four longitudinal spars 4a and 4b. At the transition to a crosshead 1a, 1b, connection points 3 with covering parts 3a are formed.
- a cross shape 7 of cross legs 11 or spring shapes 19 is formed on the respective longitudinal spar end 6.
- the longitudinal beam end 6 is connected via the cross shape 7 to the crossheads 1a, 1b by means of screw bolts 10.
- tools such as, for example, upsetting roller pairs or press blocks, etc. Like. Be installed.
- FIG. 2 a cross-shaped pocket 12, cross-sectional transitions 2a and an internal groove shape 13a and an external groove shape 13b are easily recognizable on the crosshead 1a, 1b.
- the main component 1 consists of the longitudinal spar 4a, 4b.
- the longitudinal beam ends 6 each have a spring shape 19 arranged in a cross shape 7 with external cross legs 13, internal groove shapes 13a, external groove shapes 13b and cross leg 11, which are provided with cross-sectional transitions 2b and bores 18 in the longitudinal beam 4a, 4b.
- the crossheads 1a, 1b are fastened below the crosshead 8 on the soleplate and the connection points 3 through the cross shape 7 result according to FIGS. 4, 5A and 5B as follows:
- the through screws 5 (Fig. 4, upper part) connect a crosshead 1a; 1b each with longitudinal bars 4a and 4b.
- the bolts 10 (lower part of FIG. 4) connect a crosshead 1a, 1b to the longitudinal bars 4a, 4b and are each screwed into a threaded blind hole in the crosshead 1a, 1b.
- the crosshead 1a, 1b (FIGS. 5A and 5B) forms a connection by positive locking with the longitudinal bars 4a, 4b and together with the through screws 5 and the screw bolts 10.
- the through screws 5 and the bolts 10 are arranged in pairs symmetrically to the center plane 9.
- a pocket 12 and an outer cross leg 11 are provided, which form the cross shape 7 and the respective spring shapes 19a, external spring shapes 19b of the longitudinal spar 4a, 4b (or pockets 12 of the crosshead 1a , 1 b) interact and form the positive connection.
- the cross-shaped inside (or outside) spring form 19a and an outside (or inside) spring form 19b are arranged.
- Cross-shaped pockets 12 can also be provided only in the crosshead 1a, 1b, in which the cross-shaped spring forms 19a, 19b of the longitudinal spars 4a, 4b engage.
- chamfers 14 are chamfered or chamfered.
- the chamfers 14 can be filled with sealants, such as silicone, which prevent the ingress of dirt and / or water or other foreign substances.
- the bolts 10 can also be designed like the through screw 5 as an expansion screw (FIGS. 8 and 9) and have heating holes 15, two Thread ends 16, a centering shoulder 17 and run through the holes 18th
- the crosshead 1a, 1b is separated into a crosshead upper part 1c and a crosshead lower part 1d (FIG. 4) and upper part 1c and lower part 1d are connected to one another by means of a shrink ring (not shown), a flange connection or an intermediate piece.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Metal Rolling (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Milling Processes (AREA)
- Connection Of Plates (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10355977A DE10355977A1 (de) | 2003-11-27 | 2003-11-27 | Walzenständer für Stauchgerüste in Walzwerken, der mehrteilig ausgeführt ist |
PCT/EP2004/011972 WO2005061138A1 (de) | 2003-11-27 | 2004-10-22 | Mehrteilig ausgeführter walzenständer fur stauchgerüste in walzwerken. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1708831A1 true EP1708831A1 (de) | 2006-10-11 |
EP1708831B1 EP1708831B1 (de) | 2007-12-05 |
Family
ID=34625430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04790764A Expired - Lifetime EP1708831B1 (de) | 2003-11-27 | 2004-10-22 | Mehrteilig ausgeführter walzenständer für stauchgerüste in walzwerken |
Country Status (12)
Country | Link |
---|---|
US (1) | US7434436B2 (de) |
EP (1) | EP1708831B1 (de) |
JP (1) | JP4584932B2 (de) |
CN (1) | CN100384554C (de) |
AT (1) | ATE380077T1 (de) |
BR (1) | BRPI0416554B1 (de) |
CA (1) | CA2542111C (de) |
DE (2) | DE10355977A1 (de) |
ES (1) | ES2295940T3 (de) |
RU (1) | RU2355490C2 (de) |
UA (1) | UA85071C2 (de) |
WO (1) | WO2005061138A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8186187B2 (en) * | 2009-10-02 | 2012-05-29 | Stanton Concepts, L.L.C. | Dual custody privacy padlock |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US679413A (en) * | 1900-09-18 | 1901-07-30 | Thomas Bunker | Rolling-mill. |
DE1240023B (de) * | 1964-04-25 | 1967-05-11 | Wuppermann Gmbh Theodor | Walzgeruest, insbesondere fuer Kaltprofilier-walzanlagen, Form- und Kalibrierwalzwerke fuer Rohrschweissanlagen sowie aehnliche Einrichtungen |
US3895512A (en) * | 1973-10-24 | 1975-07-22 | Sack Gmbh Maschf | Multiple-part machine frame for presses, rolling mills or the like |
US4537056A (en) * | 1983-12-01 | 1985-08-27 | Sms Schloemann - Siemag, Inc. | Rolling mill |
US4768366A (en) * | 1987-04-30 | 1988-09-06 | Tadeusz Sendzimir | Wide strip mill using pressure elements |
ATE78728T1 (de) * | 1987-05-16 | 1992-08-15 | Schloemann Siemag Ag | Universalwalzgeruest mit anstellbaren horizontal- und vertikalwalzensaetzen. |
DE4025390A1 (de) * | 1990-08-10 | 1992-02-13 | Schloemann Siemag Ag | Stauchpresse zur breitenreduktion von walzgut |
US5085069A (en) * | 1990-11-26 | 1992-02-04 | Steel Technologies, Inc. | Mulit-part rolling mill housing |
DE4239641A1 (de) * | 1992-11-26 | 1994-06-01 | Schloemann Siemag Ag | Gerüstständer |
DE9415429U1 (de) * | 1994-09-23 | 1994-12-15 | SMS Demag AG, 40237 Düsseldorf | Mehrteiliges Walzgerüst |
CN1060976C (zh) * | 1994-09-30 | 2001-01-24 | 波米尼股份公司 | 具有轴向应力的极高强度的系杆轧制机架 |
DE19535167A1 (de) * | 1995-09-22 | 1997-03-27 | Schloemann Siemag Ag | Ausbildung des Traggestells von Brammenstauchpressen |
JP2876121B1 (ja) * | 1998-01-20 | 1999-03-31 | 川崎重工業株式会社 | 圧延機 |
-
2003
- 2003-11-27 DE DE10355977A patent/DE10355977A1/de not_active Withdrawn
-
2004
- 2004-10-22 WO PCT/EP2004/011972 patent/WO2005061138A1/de active IP Right Grant
- 2004-10-22 RU RU2006122807/02A patent/RU2355490C2/ru active
- 2004-10-22 CA CA2542111A patent/CA2542111C/en not_active Expired - Lifetime
- 2004-10-22 BR BRPI0416554A patent/BRPI0416554B1/pt active IP Right Grant
- 2004-10-22 DE DE502004005670T patent/DE502004005670D1/de not_active Expired - Lifetime
- 2004-10-22 EP EP04790764A patent/EP1708831B1/de not_active Expired - Lifetime
- 2004-10-22 US US10/580,788 patent/US7434436B2/en not_active Expired - Lifetime
- 2004-10-22 JP JP2006540210A patent/JP4584932B2/ja not_active Expired - Lifetime
- 2004-10-22 UA UAA200607152A patent/UA85071C2/ru unknown
- 2004-10-22 ES ES04790764T patent/ES2295940T3/es not_active Expired - Lifetime
- 2004-10-22 CN CNB2004800351835A patent/CN100384554C/zh not_active Expired - Lifetime
- 2004-10-22 AT AT04790764T patent/ATE380077T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO2005061138A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2542111C (en) | 2011-09-06 |
JP4584932B2 (ja) | 2010-11-24 |
BRPI0416554A (pt) | 2007-01-09 |
ES2295940T3 (es) | 2008-04-16 |
CA2542111A1 (en) | 2005-07-07 |
CN1886207A (zh) | 2006-12-27 |
UA85071C2 (ru) | 2008-12-25 |
ATE380077T1 (de) | 2007-12-15 |
DE502004005670D1 (de) | 2008-01-17 |
DE10355977A1 (de) | 2005-06-30 |
EP1708831B1 (de) | 2007-12-05 |
US20070101791A1 (en) | 2007-05-10 |
US7434436B2 (en) | 2008-10-14 |
RU2006122807A (ru) | 2008-01-10 |
RU2355490C2 (ru) | 2009-05-20 |
BRPI0416554B1 (pt) | 2016-06-28 |
WO2005061138A1 (de) | 2005-07-07 |
JP2007512141A (ja) | 2007-05-17 |
CN100384554C (zh) | 2008-04-30 |
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