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<title>东莞市韶发勉模具钢材有限公司</title>
<link>http://www.sfmmjgc.com</link>
<description>东莞市韶发勉模具钢材有限公司</description>
<item id="1">
<title>模具钢材有哪些工艺性能</title>
<link>http://www.sfmmjgc.com/html/news_view_25.html</link>
<description><![CDATA[在模具生产成本中，材料费用一般占10%~20%，而机械加工、热处理、装配和管理费用占80%以上，所以模具的工艺性能是影响模具的生产成本和制造难易的主要因素之一。可加工性——热加工性能，指热塑性、加工温度范围等；——冷加工性能，指切削、磨削、抛光、冷拔等加工性能。冷作模具钢大多属于过共析钢和莱氏体钢，...]]></description>
<pubDate>2019-08-02 10:47:23</pubDate>
</item>
<item id="2">
<title>模具钢材产品分类</title>
<link>http://www.sfmmjgc.com/html/news_view_24.html</link>
<description><![CDATA[冷作模具（1）分为五组：W组、O组、A组、D组、S组。 &emsp;◆ W组即水淬模具钢，有11个钢种，7个碳素模具钢，含碳量从0.7%-1.3%。 &emsp;◆ O组即油淬冷作模具钢（俗称油钢），有4个钢种，含碳量在0.85%-1.55%， &emsp;◆ A组即空淬中合金冷作模具钢，有9个钢种...]]></description>
<pubDate>2019-08-02 10:46:58</pubDate>
</item>
<item id="3">
<title>模具钢材分类介绍</title>
<link>http://www.sfmmjgc.com/html/news_view_23.html</link>
<description><![CDATA[模具钢材是用来制造冷冲模、热锻模压铸模等模具的钢种。模具材料是模具制造业的物质和技术基础，其中模具钢材是传统的模具材料，其品种、规格、质量对模具的性能、使用寿命和制造周期起着决定性的作用。近年来，国内外模具钢材的产量、生产技术、工艺装备、质量、品种等方面都取得了比较迅速的发展，国内也涌现了抚顺特钢，...]]></description>
<pubDate>2019-08-02 10:44:14</pubDate>
</item>
<item id="4">
<title>压铸模具的高效传热分析</title>
<link>http://www.sfmmjgc.com/html/news_view_22.html</link>
<description><![CDATA[压铸模具的高效传热分析合金型材料比传统模具材料具有更好的热性能, 可以更有效地进行模具的传热。高热转印合金型材料, 提高了产品质量, 缩短了产品生产周期, 并表现出了良好的促进作用, 简化了模具冷却水的维护。评价合金型材料热性能的三个重要指标是导热系数、热扩散系数和导热系数 (即导热系数和热扩散系数...]]></description>
<pubDate>2019-08-02 10:43:56</pubDate>
</item>
<item id="5">
<title>如何选择塑胶模具钢？</title>
<link>http://www.sfmmjgc.com/html/news_view_21.html</link>
<description><![CDATA[如何选择塑胶模具钢？如何合理选择模具钢材,是一个比较复杂的系统工程，但也是模具制造的关键环节,是关系到模具寿命和成本的一项重要工作。总得来说用于制作塑料模具的材料,在质量上首先要求要具有一定的硬度和耐磨性，其次是有一定的强度和韧性，再次是易于加工。在塑胶模具选材方面特别注重，特别是钢材的选择。在选择...]]></description>
<pubDate>2019-08-02 10:43:25</pubDate>
</item>
<item id="6">
<title>压铸模具的真空热处理技术走势</title>
<link>http://www.sfmmjgc.com/html/news_view_20.html</link>
<description><![CDATA[压铸模具的真空热处理技术走势模具的生产精度: 不均匀的连接努力无纺布, 残余应力的大小不均匀和热情的处理成型加工的热情加工的模具, 联合努力, 导致变形在模具使用过去, 降低模具的精度, 从而放弃浪费。强模具: 热情的加工工艺预约完美的配方, 不热情的操作风机加工, 或者, 热情的加工设备的丑陋不牢...]]></description>
<pubDate>2019-08-02 10:43:00</pubDate>
</item>
<item id="7">
<title>热作模具钢的分类及其应用</title>
<link>http://www.sfmmjgc.com/html/news_view_19.html</link>
<description><![CDATA[热作模具钢的分类有很多种，因为其成分稍微有所不同以及制作的时候处理工艺的不同导致在性能以及特点稍微有所差异，模具钢厂家发现不同的性能特点满足了不同生产的需要这也是市场本身的需要。具体来说，在做模具钢的分类及其相应的应用，包括以下几个方面。一、低耐热高韧性热作模具钢及其应用模具钢厂家介绍这类产品由于程...]]></description>
<pubDate>2019-08-02 10:42:48</pubDate>
</item>
<item id="8">
<title>东莞模具钢材厂家给你介绍模具钢用途</title>
<link>http://www.sfmmjgc.com/html/news_view_18.html</link>
<description><![CDATA[加工模具时用的，由于模具的用途很广，各种模具的工作条件差别很大，所以，制造模具用材料范围很广，在模具材料中应用最广的当属模具钢。从—般的碳素结构钢、碳素工具钢、合金结构钢、合金工具钢、弹簧钢、高速工具钢、不锈耐热钢直到适应特殊模具需要的马氏体时效钢以及粉末高速钢、粉末高合金模具钢等。模具钢按用途一般...]]></description>
<pubDate>2019-08-02 10:40:08</pubDate>
</item>
<item id="9">
<title>详解什么是热作模具钢</title>
<link>http://www.sfmmjgc.com/html/news_view_17.html</link>
<description><![CDATA[热作模具钢是指适宜于制作对金属进行热变形加工的模具用的合金工具钢，如热锻模、热挤压模、压铸模、热镦模等。由于热作模具长时间处于高温高压条件下工作，因此，要求模具材料具有高的强度、硬度及热稳定性，特别是应有高热强性、热疲劳性、韧性和耐磨性。热作模具钢成分特点1．含碳量一般为中碳，碳的质量分数为0.3%...]]></description>
<pubDate>2019-08-02 10:39:41</pubDate>
</item>
<item id="10">
<title>热处理</title>
<link>http://www.sfmmjgc.com/html/news_view_16.html</link>
<description><![CDATA[把各种钢坯、钢材加热到规定的温度并保持一定的时间，然后用选定的冷却速度和冷却方法进行冷却，从而得到需要的显微组织和性能的操作工艺叫热处理。热处理操作工艺由加热、保温和冷却三个阶段组成。耐热钢热处理的主要类型有退火、正火、淬火、回火、固溶处理，时效处理以及冷处理等。轧钢生产中的热处理大都属于轧后热处理...]]></description>
<pubDate>2019-08-02 10:00:25</pubDate>
</item>
<item id="11">
<title>常用冲裁模具主要零件材料的性能及热处理工艺</title>
<link>http://www.sfmmjgc.com/html/news_view_15.html</link>
<description><![CDATA[一．模具钢的分类及发展 模具用钢主要分三大类，冷作模具钢、热作模具钢、塑料模具钢。 目前我国常用的冷作模具钢仍多是碳素工具钢（T7A、T8A、T10A、T12A）、低合金工具钢CrWMn、高碳高铬钢Cr12、Cr12MoV、高速钢W18Cr4V、W6Mo5Cr4V2等传统的典型钢种，不过也引进。研制...]]></description>
<pubDate>2019-08-02 09:59:47</pubDate>
</item>
<item id="12">
<title>圆钢产品主要缺陷和产生原因分析</title>
<link>http://www.sfmmjgc.com/html/news_view_14.html</link>
<description><![CDATA[在圆钢的表面基本沿轴线方向上出现的有规律或无规律分布，形状有成鱼鳞或指甲状的痕迹或翘起的薄皮。一般来讲，缺陷的顶部或尖端和轧制延伸的方向一致。缺陷的尾部大多和圆钢的基体相连。当翘皮被轧制得很薄时，其尖端部分可出现翘起，或用工具很容易的翘起，形成表面损伤。在自然光下用放大镜观察，可以看到缺陷的边缘实际...]]></description>
<pubDate>2019-08-02 09:59:23</pubDate>
</item>
<item id="13">
<title>热处理变形的主要原因</title>
<link>http://www.sfmmjgc.com/html/news_view_13.html</link>
<description><![CDATA[模具热处理变形是模具处理过程的主要缺陷之一，对一些精密复杂模具，常因热处理变形而报废，因此控制精密复杂模具的变形一直成为热处理生产中的关键问题。众所周知，模具在热处理时，特别是在淬火过程中，由于模具截面各部分加热和冷却速度的不一致而引起的温度差，加之组织转变的不等时性等原因，使得模具截面各部分体积胀...]]></description>
<pubDate>2019-08-02 09:59:10</pubDate>
</item>
<item id="14">
<title>模具钢材 (1)</title>
<link>http://www.sfmmjgc.com/html/product_view_324.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:47</pubDate>
</item>
<item id="15">
<title>模具钢材 (2)</title>
<link>http://www.sfmmjgc.com/html/product_view_323.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:47</pubDate>
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<item id="16">
<title>模具钢材 (3)</title>
<link>http://www.sfmmjgc.com/html/product_view_322.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:46</pubDate>
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<item id="17">
<title>模具钢材 (4)</title>
<link>http://www.sfmmjgc.com/html/product_view_321.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:46</pubDate>
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<item id="18">
<title>模具钢材 (5)</title>
<link>http://www.sfmmjgc.com/html/product_view_320.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:46</pubDate>
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<item id="19">
<title>模具钢材 (6)</title>
<link>http://www.sfmmjgc.com/html/product_view_319.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:46</pubDate>
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<item id="20">
<title>模具钢材 (7)</title>
<link>http://www.sfmmjgc.com/html/product_view_318.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:45</pubDate>
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<item id="21">
<title>模具钢材 (8)</title>
<link>http://www.sfmmjgc.com/html/product_view_317.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:45</pubDate>
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<item id="22">
<title>模具钢材 (9)</title>
<link>http://www.sfmmjgc.com/html/product_view_316.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:45</pubDate>
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<item id="23">
<title>模具钢材 (10)</title>
<link>http://www.sfmmjgc.com/html/product_view_315.html</link>
<description><![CDATA[]]></description>
<pubDate>2023-02-20 09:11:45</pubDate>
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<item id="24">
<title>模具钢材 (1)</title>
<link>http://www.sfmmjgc.com/html/product_view_314.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:39</pubDate>
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<item id="25">
<title>模具钢材 (2)</title>
<link>http://www.sfmmjgc.com/html/product_view_313.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:39</pubDate>
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<item id="26">
<title>模具钢材 (3)</title>
<link>http://www.sfmmjgc.com/html/product_view_312.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:38</pubDate>
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<item id="27">
<title>模具钢材 (4)</title>
<link>http://www.sfmmjgc.com/html/product_view_311.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:38</pubDate>
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<item id="28">
<title>模具钢材 (5)</title>
<link>http://www.sfmmjgc.com/html/product_view_310.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:38</pubDate>
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<item id="29">
<title>模具钢材 (6)</title>
<link>http://www.sfmmjgc.com/html/product_view_309.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:37</pubDate>
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<item id="30">
<title>模具钢材 (7)</title>
<link>http://www.sfmmjgc.com/html/product_view_308.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:37</pubDate>
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<item id="31">
<title>模具钢材 (8)</title>
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<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:37</pubDate>
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<item id="32">
<title>模具钢材 (9)</title>
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<description><![CDATA[]]></description>
<pubDate>2020-09-24 11:35:36</pubDate>
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<item id="33">
<title>模具钢材 (1)</title>
<link>http://www.sfmmjgc.com/html/product_view_305.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:43</pubDate>
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<item id="34">
<title>模具钢材 (2)</title>
<link>http://www.sfmmjgc.com/html/product_view_304.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:40</pubDate>
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<item id="35">
<title>模具钢材 (3)</title>
<link>http://www.sfmmjgc.com/html/product_view_303.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:40</pubDate>
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<item id="36">
<title>模具钢材 (4)</title>
<link>http://www.sfmmjgc.com/html/product_view_302.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:39</pubDate>
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<item id="37">
<title>模具钢材 (5)</title>
<link>http://www.sfmmjgc.com/html/product_view_301.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:39</pubDate>
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<item id="38">
<title>模具钢材 (6)</title>
<link>http://www.sfmmjgc.com/html/product_view_300.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:39</pubDate>
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<item id="39">
<title>模具钢材 (7)</title>
<link>http://www.sfmmjgc.com/html/product_view_299.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:38</pubDate>
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<item id="40">
<title>模具钢材 (8)</title>
<link>http://www.sfmmjgc.com/html/product_view_298.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:38</pubDate>
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<item id="41">
<title>模具钢材 (9)</title>
<link>http://www.sfmmjgc.com/html/product_view_297.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:38</pubDate>
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<item id="42">
<title>模具钢材 (10)</title>
<link>http://www.sfmmjgc.com/html/product_view_296.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:37</pubDate>
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<item id="43">
<title>模具钢材 (11)</title>
<link>http://www.sfmmjgc.com/html/product_view_295.html</link>
<description><![CDATA[]]></description>
<pubDate>2020-09-18 09:16:35</pubDate>
</item>
<item id="44">
<title>模架</title>
<link>http://www.sfmmjgc.com/html/product_view_294.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-05 09:35:54</pubDate>
</item>
<item id="45">
<title>模架</title>
<link>http://www.sfmmjgc.com/html/product_view_293.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-05 09:33:49</pubDate>
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<item id="46">
<title>模架</title>
<link>http://www.sfmmjgc.com/html/product_view_292.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-05 09:33:48</pubDate>
</item>
<item id="47">
<title>模架</title>
<link>http://www.sfmmjgc.com/html/product_view_291.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-05 09:33:48</pubDate>
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<item id="48">
<title>模架</title>
<link>http://www.sfmmjgc.com/html/product_view_290.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-05 09:33:48</pubDate>
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<item id="49">
<title>模架</title>
<link>http://www.sfmmjgc.com/html/product_view_289.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-05 09:33:48</pubDate>
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<item id="50">
<title>模架</title>
<link>http://www.sfmmjgc.com/html/product_view_286.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-02 17:32:56</pubDate>
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<item id="51">
<title>模架</title>
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<description><![CDATA[]]></description>
<pubDate>2019-08-02 17:32:55</pubDate>
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<item id="52">
<title>模架</title>
<link>http://www.sfmmjgc.com/html/product_view_280.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-02 17:32:55</pubDate>
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<item id="53">
<title>模具钢材</title>
<link>http://www.sfmmjgc.com/html/product_view_279.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-01 15:38:30</pubDate>
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<item id="54">
<title>模具钢材</title>
<link>http://www.sfmmjgc.com/html/product_view_278.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-01 15:38:29</pubDate>
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<item id="55">
<title>模具钢材</title>
<link>http://www.sfmmjgc.com/html/product_view_277.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-01 15:38:29</pubDate>
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<item id="56">
<title>模具钢材</title>
<link>http://www.sfmmjgc.com/html/product_view_276.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-01 15:38:29</pubDate>
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<item id="57">
<title>模具钢材</title>
<link>http://www.sfmmjgc.com/html/product_view_275.html</link>
<description><![CDATA[]]></description>
<pubDate>2019-08-01 15:38:29</pubDate>
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<item id="58">
<title>模具钢材</title>
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<description><![CDATA[]]></description>
<pubDate>2019-08-01 15:38:29</pubDate>
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