APPARATUS FOR CALIBRATING AND STRAIGHTENING ENDS OF LARGE- DIAMETER TUBES
FIELD: calibration and straightening large-diameter tubes after their hot bending. ^ SUBSTANCE: apparatus includes rotary platform mounted in drive shafts normally relative to straightening axis and having guides, slide and carriages with outer calibrating rollers. Carriages are arranged in guides o...
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| creator | MASHECHKOV V.V SAMOKHIN B.I NIKITIN A.S |
| description | FIELD: calibration and straightening large-diameter tubes after their hot bending. ^ SUBSTANCE: apparatus includes rotary platform mounted in drive shafts normally relative to straightening axis and having guides, slide and carriages with outer calibrating rollers. Carriages are arranged in guides of platform diametrically relative to straightening axis and they are kinematically connected one with other by means of hydraulic cylinders. Slide with inner calibrating roller is mounted on platform and it is joined with motion drive unit. At straightening and calibrating at first ends of tubes are deformed by means of outer calibrating rollers in elastic deformation range and then by means of inner and outer calibrating rollers in contact zone plastic deforming is provided. ^ EFFECT: enhanced quality of straightening and calibrating due to providing out-of-roundness of tube ends in predetermined range. ^ 3 dwg |
| format | Patent |
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Carriages are arranged in guides of platform diametrically relative to straightening axis and they are kinematically connected one with other by means of hydraulic cylinders. Slide with inner calibrating roller is mounted on platform and it is joined with motion drive unit. At straightening and calibrating at first ends of tubes are deformed by means of outer calibrating rollers in elastic deformation range and then by means of inner and outer calibrating rollers in contact zone plastic deforming is provided. ^ EFFECT: enhanced quality of straightening and calibrating due to providing out-of-roundness of tube ends in predetermined range. ^ 3 dwg</description><edition>7</edition><language>eng ; rus</language><subject>AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL ; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; ROLLING OF METAL ; TRANSPORTING ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>2005</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050610&DB=EPODOC&CC=RU&NR=2253522C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050610&DB=EPODOC&CC=RU&NR=2253522C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MASHECHKOV V.V</creatorcontrib><creatorcontrib>SAMOKHIN B.I</creatorcontrib><creatorcontrib>NIKITIN A.S</creatorcontrib><title>APPARATUS FOR CALIBRATING AND STRAIGHTENING ENDS OF LARGE- DIAMETER TUBES</title><description>FIELD: calibration and straightening large-diameter tubes after their hot bending. ^ SUBSTANCE: apparatus includes rotary platform mounted in drive shafts normally relative to straightening axis and having guides, slide and carriages with outer calibrating rollers. 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Carriages are arranged in guides of platform diametrically relative to straightening axis and they are kinematically connected one with other by means of hydraulic cylinders. Slide with inner calibrating roller is mounted on platform and it is joined with motion drive unit. At straightening and calibrating at first ends of tubes are deformed by means of outer calibrating rollers in elastic deformation range and then by means of inner and outer calibrating rollers in contact zone plastic deforming is provided. ^ EFFECT: enhanced quality of straightening and calibrating due to providing out-of-roundness of tube ends in predetermined range. ^ 3 dwg</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; rus |
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| subjects | AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | APPARATUS FOR CALIBRATING AND STRAIGHTENING ENDS OF LARGE- DIAMETER TUBES |
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