CN1100629C - 铜或铜合金焊接管材的生产 - Google Patents

铜或铜合金焊接管材的生产 Download PDF

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CN1100629C
CN1100629C CN98807906A CN98807906A CN1100629C CN 1100629 C CN1100629 C CN 1100629C CN 98807906 A CN98807906 A CN 98807906A CN 98807906 A CN98807906 A CN 98807906A CN 1100629 C CN1100629 C CN 1100629C
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pipe
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埃林·罗勒
彼得·卡尔凯宁斯
赫伯特·贝伦德斯
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SMS Siemag AG
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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    • B21C37/06Manufacture 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
    • B21C37/08Making tubes with welded or soldered seams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/08Making tubes with welded or soldered seams
    • B21C37/0807Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
    • B21C37/0811Tube 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B3/003Rolling non-ferrous metals immediately subsequent to continuous casting, i.e. in-line rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/08Making tubes with welded or soldered seams
    • B21C37/083Supply, or operations combined with supply, of strip material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/30Finishing tubes, e.g. sizing, burnishing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B2003/005Copper or its alloys
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4998Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988Metal casting
    • Y10T29/49991Combined with rolling

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Abstract

本发明涉及一种在组合生产线上铜或铜合金焊接管材的生产方法,组合生产线由坯材浇铸设备、热轧机、管材成形和焊接设备以及焊接管材拉拔设备所组成,其特征通过下列方法步骤顺序来表征:a浇铸成宛如无终端的初始带材,b将浇铸成的初始带材热轧成中间带材,其热轧速度=浇铸速度×延展率,c将中间带材冷却到≤100℃直至室温并去掉中间带材表面氧化皮,d将中间带材冷轧成带材,e将未倒棱边带材盘绕成预定卷重的卷材,在此步骤a至e以在一条直线上的工序进行并且紧接着直接或通过中间设备送至下一工序,f将带材展直并成形为纵向焊缝管,g将纵向焊缝焊接成纵向焊缝管,h如果需要的话将管材内外去毛刺,i精整,在此紧接着直接或通过中间设备送至最后的工序,j如果焊接管还不是成品管材的话,将焊接管以至少一次拉拔过程拉拔成成品管。

Description

铜或铜合金焊接管材的生产方法
本发明涉及一种在组合生产线上生产铜或铜合金焊接管材的生产方法,组合生产线由坯材浇铸设备、热轧机、管材成形和焊接设备以及焊接管材拉拔设备所组成。
铜管和铜合金管可以分为无缝管和焊接管。
无缝管例如通过实心管浇铸、带式压力挤管、皮格尔式冷轧和拉拔这样的生产过程来制造,在此也可以放弃皮格尔式冷轧。同样为人们熟知的方法是,用斜辊穿轧法对实心管穿孔、皮格尔式冷轧并接着拉拔成成品尺寸。还要提及的方法是,在这种方法中先浇铸空心管,然后在皮格尔式冷轧后将其拉拔。所有上述方法都存在着在带式压力挤管中所出现的高额制造费用、在空心管浇铸中管材质量不好这样的缺点。此外无缝管存在较大的壁厚误差。
焊接管通常由带式浇铸板坯加工而成,板坯在平板热轧机上预轧,接着进行冷轧、切断和焊接。紧接着在焊接之后按照通常的拉拔方法进行拉拔。焊接管方法中的缺点是高额带材制造费用,这使得管材的生产是不经济的。
带材制造可以按照不同的方法进行。通常是板坯的带式浇铸、板坯的热轧、表面铣削并接着冷轧、将冷轧带材拆卷并接着切断成条带、然后对条带进行继续加工。这样制造的冷轧带材的优点在于,在良好的表面质量情况下可以实现高于100,000吨/年的高生产能力。缺点在于间断地生产过程和高额制造费用。
另一种方法建议,浇铸薄板坯,薄板坯可以省去宽带材的热轧。在这里也接着要进行带材表面铣削,然后进行带材冷轧、卷绕并切断成条带。这种方法可以连续进行,在良好的表面质量情况下可以实现低于100,000吨/年的中等生产能力。这种方法的缺点也是制造费用过高。
第三种方法以所谓的高度简化方法为公众所知。在此带材在石墨铸型中以v=1m/min的浇铸速度被浇铸、表面铣削、带材以大量减少轧制道次地被冷轧、卷绕并切断成条带。这种方法可以连续运转,表面质量良好。这种方法的缺点是在高制造费用情况下只有大约10,000吨/年的低生产能力。
本发明的目的在于,实现以改善的方法制造廉价的铜或铜合金管材,这种管材具有更高的尺寸精确度和表面质量,在这种方法中轧制带材被加工成纵向焊缝焊接管材。此外力争实现较小至较大(10,000至100,000吨/年之间)生产能力的经济性。
根据本发明,提供一种在组合生产线上生产铜或铜合金焊接管材的方法,组合生产线由坯材浇铸设备、热轧机、管材成形和焊接设备以及焊接管材拉拔设备所组成,其特征通过下列方法步骤顺序来表征:a在浇铸机上以直至22m/min的浇铸高速浇铸成宛如无终端的初始带材,其尺寸范围为宽度45至200mm,厚度10至70mm,b将浇铸成的初始带材热轧成中间带材,其热轧速度=浇铸速度×延展率,其尺寸范围为宽度45至200mm,厚度2.0至14mm,c将中间带材冷却到≤100℃直至室温并去掉中间带材表面氧化皮,d将中间带材冷轧成带材,其尺寸范围为宽度45至200mm,厚度0.9至6.3mm,e将未倒棱边带材盘绕成预定卷重的卷材,在此步骤a至e以在一条直线上的工序进行并且紧接着直接或通过中间设备送至下一工序,f将带材展直并成形为纵向焊缝管,g直接在清理棱边后焊接纵向焊缝形成纵向焊缝管,h如果需要的话将管材内外去毛刺,i校准,再直接或通过中间设备送至最后一工序,j如果焊接管还不是成品管的话,将焊接管以至少一次拉拔过程拉拔成成品管。可以证实,当初始带材以给定尺寸范围和预定浇铸速度浇铸时可以实现按尺寸加工式(massgeschneidertes)的条带生产,以省去预轧板坯的纵向切断。这种条带在低制造费用情况下具有良好的表面质量和有利的材料性能。
按照本发明的特殊特征,初始带材的浇铸可以在带材浇铸设备上或者在浇铸轮上实现。这两种浇铸方法由于具有很快的浇铸速度而与众不同,并因此特别适合于以相应尺寸直接继续加工的条带的经济性生产,在此铸轮目前只在线材制造中使用。
当按照本发明的另一建议,初始带材的热轧在600至900℃之间进行时,本方法可以实现材料晶体颗粒为30-40μm的生产,这种晶体颗粒在冷轧后为带材成形为焊接管材时提供更好的条件。
按照本发明中间带材的倒棱边直接在焊接设备上进行,由此除了省去带材纵向切断以外还省去了预先倒棱边。
热轧初始带材的去氧化皮可以在生产线上按照惯用的去氧化皮方法,例如通过化学酸洗方法来实现。
按照本发明的另一特征,用于纵向焊缝的有利方法是采用公知的高频钨极惰性气体保护焊接方法或激光焊接方法,该方法包括下列步骤:拆卷、中间带材的矫正和对焊、成形、焊接、内外去毛刺(如果高频焊接的话)、精整、切断、打捆和排出内部碎屑。
按照本发明,纵向焊缝管材的拉拔可以采用公知的拉拔方法,该方法包括下列步骤:拆捆、滚筒式拉拔或连续直线拉拔、必要时的中间退火(当品质等级为软和半硬的时候)、精拉拔和必要时的软化退火(例如对于热交换管材)。
按照本发明,提出一种在组合生产线上生产铜或铜合金焊接管材的方法,组合生产线由坯材浇铸设备、热轧机、管材成形和焊接设备以及焊接管材拉拔设备所组成,其特征通过下列方法步骤顺序来表征:a在浇铸机上以直至22m/min的浇铸高速浇铸成宛如无终端的初始带材,其尺寸范围为宽度45至200mm,厚度10至70mm,b将浇铸成的初始带材热轧成中间带材,其热轧速度=浇铸速度×延展率,其尺寸范围为宽度45至200mm,厚度2.0至14mm,c将中间带材冷却到≤100℃直至室温并去掉中间带材表面氧化皮,d将中间带材冷轧成带材,其尺寸范围为宽度45至200mm,厚度<0.9mm,e将来倒棱边带材盘绕成预定卷重的卷材,在此步骤a至e以在一条直线上的工序进行并且紧接着直接或通过中间设备送至下一工序,f展直并切断,g带材加筋,h成形并焊接,必要时将加筋的带材精整为成品尺寸的内部加筋纵向焊缝管材,也可以考虑这种选择,生产内部加筋的纵向焊缝管材,而且同样经济地在连续或部分连续地生产过程中保证具有良好的表面质量。
按照本发明的方法是具有优点的,因为制造焊接铜管材或焊接铜合金管材在连续方法过程中从较低直至较高(10,000直至100,000吨/年)的生产能力都是经济的,对于内部加筋的管材甚至可以低于1000吨/年或更低仍然是经济的。连续的方法步骤在采用高速焊接设备的情况下一方面可以实现极高的生产能力,而另一方面不会对管材质量产生消极影响。尽管省去现有技术状况所存在的带材表面铣削,浇铸带材表面仍然能适应于管材制造中精密冷轧带材的条件。在热轧过程中所建立的30至40μm的晶体颗粒对于带材成形为焊接管材能够比到目前为止的对于软化(退火)材料所能实现的条件提供更为有利的前提。按照本发明的方法已经首次成功地应用于制造有色金属焊接管材方法,由于这种方法的高生产能力、柔韧性和低费用而使其没有现有技术现状所存在的缺陷。

Claims (9)

1.一种在组合生产线上生产铜或铜合金焊接管材的生产方法,组合生产线由坯材浇铸设备、热轧机、管材成形和焊接设备以及焊接管材拉拔设备所组成,其特征通过下列方法步骤顺序来表征:
a在浇铸机上以直至22m/min的浇铸高速浇铸成宛如无终端的初始带材,其尺寸范围为宽度45至200mm,厚度10至70mm,
b将浇铸成的初始带材热轧成中间带材,其热轧速度=浇铸速度×延展率,其尺寸范围为宽度45至200mm,厚度2.0至14mm,
c将中间带材冷却到≤100℃直至室温并去掉中间带材表面氧化皮,
d将中间带材冷轧成带材,其尺寸范围为宽度45至200mm,厚度0.9至6.3mm,
e将未倒棱边带材盘绕成预定卷重的卷材,在此步骤a至e以在一条直线上的工序进行并且紧接着直接或通过中间设备送至下一工序,
f将带材展直并成形为纵向焊缝管,
g直接在清理棱边后焊接纵向焊缝形成纵向焊缝管,
h果需要的话将管材内外去毛刺,
i校准,再直接或通过中间设备送至最后一工序,
j如果焊接管还不是成品管的话,将焊接管以至少一次拉拔过程拉拔成成品管。
2.如权利要求1的铜或铜合金焊接管材的生产方法,其特征为,初始带材的浇铸在带材浇铸设备(例如Hazelett-Caster)上进行。
3.如权利要求1的铜或铜合金焊接管材的生产方法,其特征为,初始带材的浇铸在铸轮上进行。
4.如权利要求1或2的铜或铜合金焊接管材的生产方法,其特征为,为使晶体颗粒<40μm初始带材的热轧在轧制温度600至900℃之间进行。
5.如权利要求1的铜或铜合金焊接管材的生产方法,其特征为,中间带材的倒棱边在焊接设备上进行。
6.如权利要求1的铜或铜合金焊接管材的生产方法,其特征在于,用化学酸洗方法去除热轧带的氧化皮。
7.如权利要求1的铜或铜合金焊接管材的生产方法,其特征为,为了焊接纵向焊缝管采用公知的高频钨极惰性气体保护焊接方法或激光焊接方法,该方法包括下列步骤:拆卷、中间带材的矫正和对焊、成形、焊接、内外去毛刺(如果高频焊接的话)、精整、切断、打捆和排出内部碎屑。
8.如权利要求1的铜或铜合金焊接管材的生产方法,其特征为,为了拉拔纵向焊缝管采用公知的拉拔方法,该方法包括下列步骤:拆捆、滚筒式拉拔或连续直线拉拔、必要时的中间退火、精拉拔和必要时的软化退火。
9.一种在组合生产线上生产铜或铜合金焊接管材的方法,组合生产线由坯材浇铸设备、热轧机、管材成形和焊接设备以及焊接管材拉拔设备所组成,其特征通过下列方法步骤顺序来表征:
a在浇铸机上以直至22m/min的浇铸高速浇铸成宛如无终端的初始带材,其尺寸范围为宽度45至200mm,厚度10至70mm,
b将浇铸成的初始带材热轧成中间带材,其热轧速度=浇铸速度×延展率,其尺寸范围为宽度45至200mm,厚度2.0至14mm,
c将中间带材冷却到≤100℃直至室温并去掉中间带材表面氧化皮,
d将中间带材冷轧成带材,其尺寸范围为宽度45至200mm,厚度<0.9mm,
e将未倒棱边带材盘绕成预定卷重的卷材,在此步骤a至e以在一条直线上的工序进行并且紧接着直接或通过中间设备送至下一工序,
f展直并切断,
g带材加筋,
h成形并焊接,必要时将加筋的带材精整为成品尺寸的内部加筋纵向焊缝管材。
CN98807906A 1997-08-06 1998-07-01 铜或铜合金焊接管材的生产 Expired - Fee Related CN1100629C (zh)

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CN114289544A (zh) * 2021-12-31 2022-04-08 武汉市博钛新材料科技有限公司 一种高频感应钛焊管的快速缩径生产装置及工艺

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