UA110722C2 - Спосіб виготовлення ущільнення роликового підшипника - Google Patents
Спосіб виготовлення ущільнення роликового підшипникаInfo
- Publication number
- UA110722C2 UA110722C2 UAA201400293A UAA201400293A UA110722C2 UA 110722 C2 UA110722 C2 UA 110722C2 UA A201400293 A UAA201400293 A UA A201400293A UA A201400293 A UAA201400293 A UA A201400293A UA 110722 C2 UA110722 C2 UA 110722C2
- Authority
- UA
- Ukraine
- Prior art keywords
- rolled steel
- bearing
- manufacturing
- closed ring
- bearing seal
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/328—Manufacturing methods specially adapted for elastic sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
- B21C37/0811—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off removing or treating the weld bead
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
- B21D19/046—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
- B21D19/06—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers working inwardly
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7813—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for tapered roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/7833—Special methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49703—Sealing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
- Y10T29/5136—Separate tool stations for selective or successive operation on work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
- Y10T29/5183—Welding strip ends
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
- Y10T29/5185—Tube making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
- Y10T29/5199—Work on tubes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53104—Roller or ball bearing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53104—Roller or ball bearing
- Y10T29/53109—Roller or ball bearing including deforming means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Розкривається спосіб виготовлення ущільнення підшипника, призначеного для використання у роликовому підшипнику. Рулонну сталь заздалегідь вибраної ширини подають у машину для формування кілець вальцюванням з метою отримання замкнутого кільця з рулонної сталі. Потім замкнуте кільце з рулонної сталі зварюють уздовж місця з'єднання його торців. Після цього зварене замкнуте кільце з рулонної сталі обробляють за допомогою групи машин попереднього формування, у результаті чого забезпечують формування бажаних профілів готового ущільнення підшипника.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/134,646 US8533957B2 (en) | 2011-06-14 | 2011-06-14 | Method of manufacturing a roller bearing seal |
PCT/US2012/000032 WO2012173652A1 (en) | 2011-06-14 | 2012-01-18 | Method of manufacturing a roller bearing seal |
Publications (1)
Publication Number | Publication Date |
---|---|
UA110722C2 true UA110722C2 (uk) | 2016-02-10 |
Family
ID=47352535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA201400293A UA110722C2 (uk) | 2011-06-14 | 2012-01-18 | Спосіб виготовлення ущільнення роликового підшипника |
Country Status (11)
Country | Link |
---|---|
US (1) | US8533957B2 (uk) |
EP (1) | EP2721326B1 (uk) |
JP (1) | JP2014529357A (uk) |
CN (1) | CN103597258B (uk) |
AU (1) | AU2012271246B2 (uk) |
BR (1) | BR112013032058B1 (uk) |
CA (1) | CA2839155C (uk) |
EA (1) | EA029239B1 (uk) |
MX (1) | MX337297B (uk) |
UA (1) | UA110722C2 (uk) |
WO (1) | WO2012173652A1 (uk) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8657299B2 (en) | 2004-07-15 | 2014-02-25 | John E. Rode | Mounting rings for shafts |
AU2012299319C1 (en) | 2011-08-19 | 2016-01-14 | The Timken Company | Stabilized backing ring and stabilizing ring therefor |
US10661326B2 (en) * | 2017-10-14 | 2020-05-26 | Inno-Spin LLC | Roll-forming methods for manufacturing roller bearing seal case |
US10711842B2 (en) | 2018-05-23 | 2020-07-14 | Amsted Rail Company, Inc. | Roller bearing seal assembly and a component thereof |
US11220279B2 (en) | 2018-07-10 | 2022-01-11 | Amsted Rail Company, Inc. | Insert and wear ring for a railway roller bearing |
AU2019351126B2 (en) | 2018-09-27 | 2023-10-26 | Inno-Spin LLC | Multi-axis roll-forming of stepped-diameter cylinder |
US11278946B2 (en) | 2018-09-27 | 2022-03-22 | Inno-Spin LLC | Multi-axis roll-forming methods, systems, and products |
US20210040991A1 (en) * | 2019-08-09 | 2021-02-11 | Amsted Rail Company, Inc. | Roller Bearing Seal Case |
US11680604B2 (en) | 2020-11-20 | 2023-06-20 | Amsted Rail Company, Inc. | Roller bearing seal assembly |
CN112846665A (zh) * | 2021-01-06 | 2021-05-28 | 王志刚 | 轴向金属密封环的生产方法 |
CN114851500B (zh) * | 2022-07-04 | 2022-11-04 | 成都航利航空科技有限责任公司 | 一种橡胶密封圈坯料自动成型方法及其装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3268984A (en) * | 1963-11-01 | 1966-08-30 | Trw Inc | Method of making a bearing seal |
JPS6159068A (ja) * | 1984-08-30 | 1986-03-26 | Arai Pump Mfg Co Ltd | シ−ル装置およびその製作方法 |
US4819949A (en) * | 1985-12-19 | 1989-04-11 | Timken Company | Shielded seal assembly |
US5240263A (en) * | 1988-06-01 | 1993-08-31 | Specialist Sealing Limited | Metallic sealing rings and their manufacture |
US5354072A (en) * | 1989-12-19 | 1994-10-11 | Specialist Sealing Limited | Hollow metal sealing rings |
US5348213A (en) * | 1992-12-28 | 1994-09-20 | Olin Corporation | Method for the manufacture of internally enhanced welded tubing |
GB9306550D0 (en) * | 1993-03-30 | 1993-05-26 | Fortaye Ltd | Wheel rim |
JP2000337392A (ja) * | 1999-05-31 | 2000-12-05 | Fuji Seiko Kk | 回転軸保護スリーブ |
DE102006046414A1 (de) * | 2005-09-28 | 2007-03-29 | Kaco Gmbh + Co. Kg | Gehäuse für Dichtungen, vorzugsweise Radialwellendichtungen, sowie Verfahren zur Herstellung eines solchen Gehäuses |
JP4833003B2 (ja) * | 2006-09-08 | 2011-12-07 | 東洋シール工業株式会社 | 軸受用密封板の芯金製造方法、芯金、及び軸受用密封板 |
ATE455264T1 (de) * | 2007-08-01 | 2010-01-15 | Freudenberg Carl Kg | Verfahren zur herstellung eines dichtrings |
DE102009022391B4 (de) * | 2009-05-22 | 2011-06-22 | Federal-Mogul Sealing Systems GmbH, 57562 | Verfahren zur Herstellung ringförmig ausgebildeter Dichtungselemente |
-
2011
- 2011-06-14 US US13/134,646 patent/US8533957B2/en active Active
-
2012
- 2012-01-18 AU AU2012271246A patent/AU2012271246B2/en active Active
- 2012-01-18 CN CN201280028092.3A patent/CN103597258B/zh active Active
- 2012-01-18 UA UAA201400293A patent/UA110722C2/uk unknown
- 2012-01-18 BR BR112013032058A patent/BR112013032058B1/pt active IP Right Grant
- 2012-01-18 CA CA2839155A patent/CA2839155C/en active Active
- 2012-01-18 WO PCT/US2012/000032 patent/WO2012173652A1/en active Application Filing
- 2012-01-18 EA EA201490010A patent/EA029239B1/ru not_active IP Right Cessation
- 2012-01-18 EP EP12800060.1A patent/EP2721326B1/en active Active
- 2012-01-18 JP JP2014515803A patent/JP2014529357A/ja active Pending
- 2012-01-18 MX MX2013008912A patent/MX337297B/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP2721326B1 (en) | 2018-08-15 |
MX2013008912A (es) | 2014-01-31 |
AU2012271246A1 (en) | 2014-03-20 |
BR112013032058B1 (pt) | 2020-04-14 |
CA2839155C (en) | 2017-05-30 |
WO2012173652A1 (en) | 2012-12-20 |
EA029239B1 (ru) | 2018-02-28 |
CA2839155A1 (en) | 2012-12-20 |
MX337297B (es) | 2016-02-24 |
JP2014529357A (ja) | 2014-11-06 |
EP2721326A1 (en) | 2014-04-23 |
EA201490010A1 (ru) | 2014-03-31 |
EP2721326A4 (en) | 2015-07-15 |
CN103597258A (zh) | 2014-02-19 |
CN103597258B (zh) | 2016-01-27 |
US8533957B2 (en) | 2013-09-17 |
US20120317814A1 (en) | 2012-12-20 |
AU2012271246B2 (en) | 2016-02-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
UA110722C2 (uk) | Спосіб виготовлення ущільнення роликового підшипника | |
MX363663B (es) | Método para producir acero conformado, la forma de sección transversal que cambia en la dirección longitudinal, y dispositivo de formación por rodillo. | |
MX339152B (es) | Maquina rebobinadora y metodo para la produccion de rollos de material de banda. | |
MX2023013730A (es) | Conformacion avanzada de goma. | |
MX2015016280A (es) | Metodo de produccion para lamina de acero que cambia la configuracion en seccion transversal en la direccion longitudinal, y dispositivo de moldeo por rodillo. | |
MX2012009207A (es) | Elementos estructurales de acero de gran fuerza enrollados por calor y metodo. | |
MX348782B (es) | Método y planta para producir productos laminados metálicos. | |
EP2537915A4 (en) | LUBRICANTS FOR HOT ROLLING TOOLS AND METHOD FOR SURFACE TREATMENT OF A THORN ROD FOR USE IN THE PRODUCTION OF A SEAMLESS PIPE THROUGH HOT ROLLING | |
MX2012014181A (es) | Metodo para producir tubos sin costura. | |
PH12019502500A1 (en) | Method for producing h-shaped steel | |
UA108577C2 (uk) | Установка та спосіб для безперервного формування труб з подовжніми прорізами | |
MX2020005350A (es) | Caja de laminacion. | |
AU2014365224A1 (en) | Method for making recesses in a rolling roller | |
UA71339U (uk) | Спосіб прокатки труб на неперервному стані | |
TH1501001559B (th) | วิธีการผลิตเหล็กกล้ารูปพรรณที่เปลี่ยนแปลงรูปร่างภาคตัดขวางในทิศทางแนวนอน และ ชุดเครื่องรีดขึ้นรูปสำหรับสิ่งเดียวกันนั้น | |
UA62746U (uk) | Спосіб виготовлення гофрованих профілів | |
SE0400307D0 (sv) | A method and a Machine for manufacture of Rollers | |
MX2019011368A (es) | Cabezal de colocacion de tren de laminacion. | |
RU2011132429A (ru) | Способ изготовления трубы стальной профильной | |
DE502007003528D1 (de) | Verfahren zur herstellung ein- oder beidseitig gerippter scheiben | |
UA85509U (uk) | Спосіб зварювання штаб у стик у гарячому стані | |
PL410546A1 (pl) | Sposób wytwarzania tytanu nanokrystalicznego | |
RU2011144189A (ru) | Способ получения зубчиков на кромках монтажных профилей | |
UA55897U (en) | method for rolling trapezoid blanks | |
TH137382B (th) | วิธีการผลิตแผ่นเหล็กกล้ารีดร้อนและวิธีการผลิตแผ่นเหล็กกล้าชุบสังกะสีแบบจุ่มร้อน |