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href="/news/">新闻信息</a> > 详细内容</b> </div> <div class="insNewsArti clearfix pt10 font_w"> <h1 class="tac fs20">气动离合器机械、模具加工常用金属材料及其特性!</h1> <h3 class="tac"><span>来源?a href='http://www.rrrq49.com/news/38.html'>http://www.rrrq49.com/news/38.html</a></span><span>发布时间?019-06-06</span></h3> <div class="con mt10 fs14"> <p><strong><a target="_blank" href="http://www.rrrq49.com/news/38.html"><b><a href="http://www.rrrq49.com/" target="_blank" style="font-weight:bold">气动离合?/a></b>机械、模具加工常用金属材料及其特性!</a></strong><br />        45——优质碳素结构钢,是常用中碳调质钢。主要特? 常用中碳调质钢,综合力学性能良好,淬透性低,水淬时易生裂纹。小型件宜采用调质处理,大型件宜采用正火处理。应用举? 主要用于制造强度高的运动件,如透平机叶轮、压缩机活塞。轴、齿轮、齿条、蜗杆等。焊接件注意焊前预热,焊后消除应力退火?br /> Q235A(A3钢)——常用的碳素结构钢。主要特? 具有高的塑性、韧性和焊接性能、冷冲压性能,以及一定的强度、好的冷弯性能。应用举? 广泛用于一般要求的零件和焊接结构。如受力不大的拉杆、连杆、销、轴、螺钉、螺母、套圈、支架、机座、建筑结构、桥梁等?br /> <p>         <strong><a href="www.rrrq49.com" target="_blank">气动离合?/a></strong>使用广泛的钢种之一?span><strong><a href="www.rrrq49.com" target="_blank">气动离合?/a></strong></span>属合金结构钢。主要特? 经调质处理后,具有良好的综合力学性能、低温冲击韧度及低的缺口敏感性,淬透性良好,油冷时可得到较高的疲劳强度,水冷时复杂形状的零件易产生裂纹,冷弯塑性中等,回火或调质后切削加工性好,但焊接性不好,易产生裂纹,焊前应预热到100?50℃,一般在调质状态下使用,还可以进行碳氮共渗和高频表面淬火处理。应用举?调质处理后用于制造中 速、中载的零件,如机床齿轮、轴、蜗杆、花键轴、顶针套等,调质并高频表面淬火后用于制造表面高硬度、耐磨的零件,如齿轮、轴、主轴、曲轴、心轴、套筒、销子、连杆、螺钉螺母、进气阀等,经淬火及中温回火后用于制造重载、中速冲击的零件,如油泵转子、滑块、齿轮、主轴、套环等?a href="http://www.rrrq49.com/supply/59.html" target="_blank">气动离合?/a>经淬火及低温回火后用于制造重载、低冲击、耐磨的零件,如蜗杆、主轴、轴、套环等,碳氮共渗处即后制造尺寸较大、低温冲击韧度较高的传动零件,如轴、齿轮等?</p> <p>         <img src="/uploads/image/20190606/20190606091224_4965.png" alt="气动离合? width="380" height="277" title="气动离合? align="" /> </p>        灰铸铁应用举?齿轮箱体?span><strong>气动离合?/strong>?/span>机床床身,箱体,液压缸,泵体,阀体,飞轮,气缸盖,带轮,轴承盖等?5——各种标准件、紧固件的常用材料。主要特? 强度适当,塑性较好,冷塑性高,焊接性尚可。冷态下可局部镦粗和拉丝。淬透性低,正火或调质后使用应用举? 适于制造小截面零件,可承受较大载荷的零件:如曲轴、杠杆、连杆、钩环等,各种标准件、紧固件?5Mn——常用的弹簧钢应用举?小尺寸各种扁、圆弹簧、座垫弹簧、弹簧发条,也可制做弹簧环、气门簧、离合器簧片、刹车弹簧、冷卷螺旋弹簧,卡簧等?Cr18Ni9——常用的不锈钢(美国钢号304,日本钢号SUS304)特性和应用: 作为不锈耐热钢使用广泛,如食品用设备,一般化工设备,原于能工业用设备。Cr12——常用的冷作模具钢(美国钢号D3,日本钢号SKD1)<br />       特性和应用: Cr12钢是一种应用广泛的冷作模具钢,属高碳高铬类型的莱氏体钢?span><strong><a href="www.rrrq49.com" target="_blank">气动离合?/a></strong></span>该钢具有较好的淬透性和良好的耐磨性;由于Cr12钢碳含量高达2.3%,所以冲击韧度较差、易脆裂,而且容易形成不均匀的共晶碳化物;Cr12钢由于具有良好的耐磨性,多用于制造受冲击负荷较小的要求高耐磨的冷冲模、冲头、下料模、冷镦模、冷挤压模的冲头和凹模、钻套、量规、拉丝模、压印模、搓丝板、拉深模以及粉末冶金用冷压模?br />   DC53——常用的日本进口冷作模具钢特性和应用: 高强韧性冷作模具钢,日本大同特殊钢(株)厂家钢号。高温回火后具有高硬度、高韧性,线切割性良好。用于精密冷冲压模、拉伸模、搓丝模、冷冲裁模、冲头等10、SM45——普通碳素塑料模具钢(日本钢号S45C)DCCr12MoV——耐磨铬钢国产.较Cr12钢含碳量?且加入了Mo和V,碳化物不均匀有所改善,MO能减轻碳化物偏析并提高淬透?V能细化晶粒增加韧?此钢有高淬透?截面?00mm以下可以完全淬??00~400℃仍可保持良好的硬度和耐磨?较Cr12有高的韧?淬火时体积变化小,又有高的耐磨性和良好的综合机械性能.所以可以制造截面大,形状复杂,经受较大冲击的各种模?例如普通拉伸模,冲孔凹模,冲模,落料?切边?滚边?拉丝?冷挤压模,冷切剪刀,圆锯,标准工具,量具?<br />       <span><strong>气动离合?/strong></span>韧性铬?日本日立株式生产.在技术上改善钢中的铸造组?细化了晶?较Cr12mov的韧性和耐磨性有所提高.延长了模具的使用寿命.D2——高碳高铬冷作钢,美国?具有高的淬透?淬硬?耐磨?<span><strong><a href="www.rrrq49.com" target="_blank">气动离合?/a></strong></span>高温抗氧化性能?淬火和抛光后抗锈蚀能力?热处理变形小,宜制造各种要求高精度,长寿命的冷作模具,刀具和量具,例如拉伸?冷挤压模,冷剪切刀?SKD11(SLD)——不变形韧性高铬钢.日本日立株式生产.由于钢中MO,V含量增加,改善钢中的铸造组?细化了晶?改善了碳化物形貌,因而此钢的强韧?抗弯强度,挠度,冲击韧度?比SKD1,D2?耐磨性也有所增加,而且具有更高的耐回火?实践证明此钢模具寿命比Cr12mov有所提高.常制造要求高的模?如拉伸模,冲击砂轮片的模等.<br />       高韧性高铬钢,日本大同株式生产.热处理硬度高于SKD11.高温(520-530)回火后可?2-63HRC高硬?在强度和耐磨性方面DC53超过SKD11.韧性是SKD11的两?DC53的韧性在冷作模具制造很少出现裂纹和龟裂.大大提高了使用寿?残余应力?经高温回头减少残余应?因为线切割加工后的裂痕和变形得到抑制.切削性和研磨性超过SKD11.用于精密冲压?冷锻,深拉模等.SKH-9——耐磨?韧性大的通用高速钢.日本日立株式生产.<span><strong><a href="www.rrrq49.com" target="_blank">气动离合?/a></strong></span>用于冷锻?切条?钻头,铰刀,冲头等等。ASP-23——粉末冶金高速钢,瑞典?碳化物分布极均匀,耐磨?高韧?易加?热处理尺寸稳?用于冲头,深拉伸模,钻模,铣刀和剪切刀片等各类长寿命之切削工具.P20——一般要求的大小塑胶模具,美国?可电蚀操作.出厂状态预硬HB270-300.淬火硬度HRC52?18——高要求的大小塑胶模?瑞典?尤其电蚀操作. 出厂状态预硬HB290-330. 淬火硬度HRC52。Nak80——高镜面,高精度塑胶模?日本大同株式? <span><strong><a href="www.rrrq49.com" target="_blank">气动离合?/a></strong></span>出厂状态预硬HB370-400.淬火硬度HRC52。S136——防腐蚀及需镜面抛光塑胶模具,瑞典? 出厂状态预硬HB?15.淬火硬度HRC52。H13——普通常用压铸模,用于??镁及合金压铸.热冲压模,铝挤压模,SKD61——高级压铸模,日本日立株式?经电碴重溶技?在使用寿命上比H13有明显的提高. 热冲压模,铝挤压模,高级压铸?瑞典? 热冲压模,铝挤压模。添加了硫加强其易削?出厂预硬硬度338-42HRC,可直接进行刻雕加? 无须淬火,回火处理.用于小批量模,简易模,各种树脂制品,滑动零部?交期短的模具零件.拉链?眼镜框模?br />       主要特征:<span><strong><a href="www.rrrq49.com" target="_blank">气动离合?/a></strong></span> 经调质处理后,具有良好的综合力学性能、低温冲击韧度及低的缺口敏感性,淬透性良好,<span><strong>气动离合?/strong></span>油冷时可得到较高的疲劳强度,水冷时复杂形状的零件易产生裂纹,冷弯塑性中等,回火或调质后切削加工性好,但焊接性不好,易产生裂纹,焊前应预热到100?50℃,一般在调质状态下使用,还可以进行碳氮共渗和高频表面淬火处理。应用举?调质处理后用于制造中 速、中载的零件,如机床齿轮、轴、蜗杆、花键轴、顶针套等,调质并高频表面淬火后用于制造表面高硬度、耐磨的零件,如齿轮、轴、主轴、曲轴、心轴、套筒、销子、连杆、螺钉螺母、进气阀等,经淬火及中温回火后用于制造重载、中速冲击的零件,如油泵转子、滑块、齿轮、主轴、套环等,经淬火及低温回火后用于制造重载、低冲击、耐磨的零件,如蜗杆、主轴、轴、套环等,碳氮共渗处即后制造尺寸较大、低温冲击韧度较高的传动零件,如轴、齿轮等?br />      特性和应用: <span><strong><a href="www.rrrq49.com" target="_blank">气动离合?/a></strong></span>是一种应用广泛的冷作模具钢,属高碳高铬类型的莱氏体钢。该钢具有较好的淬透性和良好的耐磨性;由于Cr12钢碳含量高达2.3%,所以冲击韧度较差、易脆裂,而且容易形成不均匀的共晶碳化物;Cr12钢由于具有良好的耐磨性,多用于制造受冲击负荷较小的要求高耐磨的冷冲模、冲头、下料模、冷镦模、冷挤压模的冲头和凹模、钻套、量规、拉丝模、压印模、搓丝板、拉深模以及粉末冶金用冷压模等?br 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