CN107973585A - 一种抗压模具的制造方法 - Google Patents
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Abstract
本发明涉及模具制造领域,尤其涉及一种抗压模具的制造方法。制造所述模具的材料包括碳化硅4%‑6%、石墨5%‑8%、纳米二氧化锆3%‑5%、固化剂2%‑3%、表面活性剂3%‑5%、二氧化硅4%‑6%、增塑剂3%‑5%,蒙脱土4%‑6%,树脂组合物40‑50份、丁苯橡胶15‑15.5份、硫0.4‑0.5份、氧化锌0.5‑0.6份、橡胶促进剂DM0.2‑0.3份,余量为水;本发明提供的这种高性能模具的制造方法,工艺简单、节约资源、制造成本低廉、耐磨损抗腐蚀,耐高温、寿命长,有效降低了模具被异常压裂;同时热疲劳性能、热稳定性高和综合性能优良,同时通过镀镍处理,且镀镍的镀层均匀,耐腐蚀、耐磨损性好,镀层表面平整,不易产生裂纹,能够适应金属模具的要求,具有广阔的市场前景。
Description
技术领域
本发明涉及模具制造领域,尤其涉及一种抗压模具的制造方法。
背景技术
目前,工业生产上用以注塑、吹塑、挤出、压铸或锻压成型、冶炼、冲压等方法得到所需产品的各种模子和工具。简而言之,模具是用来成型物品的工具,这种工具由各种零件构成,不同的模具由不同的零件构成。它主要通过所成型材料物理状态的改变来实现物品外形的加工。模具种类很多,根据加工对象和加工工艺可分为:①加工金属的模具。②加工非金属和粉末冶金的模具。包括塑料模(如注射模、压塑模和挤塑模等)、橡胶模和粉末冶金模等。
传统的模具材料多为金属合金材料,但是合金模具容易被成型产品或零件所腐蚀,进而使所述合金模具的使用寿命缩短,往往在所述合金模具成型几千件产品或零件后即需要修摸,甚至报废。而且合金模具的生产周期长,,在需要大批量成型产品或零件时,所述合金模具需要经常修模、或重新开模,造成生产所述产品或零件的生产成本增加,不利于提高产品或零件的市场竞争力。采用非金属材料制得的模具,固化时间长,性能、尺寸稳定性不好,强度不够,不能同时实现成型、裁边和开孔功能,需后续裁边开孔等加工工序,工序复杂、生产效率低,而且容易出现异常压裂的现象。
发明内容
本发明所要解决的技术问题是提供一种抗压模具的制造方法,解决容易出现异常压裂的问题。
本发明解决上述技术问题的技术方案根据下:一种抗压模具的制造方法,制造所述模具的材料包括碳化硅4%-6%、石墨5%-8%、纳米二氧化锆3%-5%、固化剂2%-3%、表面活性剂3%-5%、二氧化硅4%-6%、增塑剂3%-5%,蒙脱土4%-6%,树脂组合物40-50份、丁苯橡胶15-15.5 份、硫0.4-0.5份、氧化锌0.5-0.6份、橡胶促进剂DM0.2-0.3份,余量为水;采用上述模具材料制造模具的方法包括以下步骤:
S1:将碳化硅、石墨、二氧化硅、纳米二氧化锆、硫、氧化锌、橡胶促进剂进行称量后粉碎,放入到溶解器内;
S2:将固化剂、有机分散剂、树脂组合物、增塑剂、蒙脱土、丁苯橡胶称量后放入到溶解器内与步骤S1:中材料进行充分混合;将材料成型为有规则形状的毛坯,并对毛坯在800-900℃下进行预烧;
S3:根据所述需要制造的模具的确切尺寸对预烧完成的毛坯进行车坯,使车坯后的初级模具的尺寸较需要制造的模具的尺寸大;
S4:将步骤S3中车坯后的初级模具在1700℃以上进行高温烧结;
S5:根据所需要制造的模具的确切尺寸,对所述烧结完成的模具进行打磨;检查打磨完成的模具的尺寸与所需要制造的模具之间的尺寸是否吻合,根据果吻合,则模具的制造完成;
S6:将模具的成型面放入电镀溶液中进行电镀,所述的电镀溶液包括如下的成分:浓度为100g/L-220g/L硫酸镍、浓度为260g/L-320g/L硫酸镍氨基磺酸镍、浓度为15g/L-25g/L的氯化镍、浓度为20g/L的硼酸,所述溶液温度为45-75℃,电流的密度为6-12A/dm2与38-50A/dm2之间交替,交替次数为10-15次,其中低电流与高电流之间的时间比为1:2-2:3,电镀时间为 15min-20min。
带来的有益效果是:本发明提供的这种高性能模具的制造方法,工艺简单、节约资源、制造成本低廉、耐磨损抗腐蚀,耐高温、寿命长,有效降低了模具被异常压裂;同时热疲劳性能、热稳定性高和综合性能优良,同时通过镀镍处理,且镀镍的镀层均匀,耐腐蚀、耐磨损性好,镀层表面平整,不易产生裂纹,能够适应金属模具的要求,具有广阔的市场前景。
进一步,所述增塑剂为邻苯二甲酸酯。
进一步,所述固化剂为芳族胺。
进一步,所述表面活性剂选自乙二胺、二乙烯三胺、十二烷基苯磺酸氨或其组合。
进一步,所述碳化硅的粒径为400-600目。
进一步,所述石墨的粒径为400-600目。
进一步,所述纳米二氧化锆的粒径为400-600目。
具体实施方式
以下对本发明的原理和特征进行描述,所举实例只用于解释本发明,并非用于限定本发明的范围。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
本发明提供一种抗压模具的制造方法,制造所述模具的材料包括碳化硅 4%-6%、石墨5%-8%、纳米二氧化锆3%-5%、固化剂2%-3%、表面活性剂3%-5%、二氧化硅4%-6%、增塑剂3%-5%,蒙脱土4%-6%,树脂组合物40-50份、丁苯橡胶15-15.5份、硫0.4-0.5份、氧化锌0.5-0.6份、橡胶促进剂DM0.2-0.3份,余量为水;采用上述模具材料制造模具的方法包括以下步骤:
S1:将碳化硅、石墨、二氧化硅、纳米二氧化锆、硫、氧化锌、橡胶促进剂进行称量后粉碎,放入到溶解器内;
S2:将固化剂、有机分散剂、树脂组合物、增塑剂、蒙脱土、丁苯橡胶称量后放入到溶解器内与步骤S1:中材料进行充分混合;将材料成型为有规则形状的毛坯,并对毛坯在800-900℃下进行预烧;
S3:根据所述需要制造的模具的确切尺寸对预烧完成的毛坯进行车坯,使车坯后的初级模具的尺寸较需要制造的模具的尺寸大;
S4:将步骤S3中车坯后的初级模具在1700℃以上进行高温烧结;
S5:根据所需要制造的模具的确切尺寸,对所述烧结完成的模具进行打磨;检查打磨完成的模具的尺寸与所需要制造的模具之间的尺寸是否吻合,根据果吻合,则模具的制造完成;
S6:将模具的成型面放入电镀溶液中进行电镀,所述的电镀溶液包括如下的成分:浓度为100g/L-220g/L硫酸镍、浓度为260g/L-320g/L硫酸镍氨基磺酸镍、浓度为15g/L-25g/L的氯化镍、浓度为20g/L的硼酸,所述溶液温度为45-75℃,电流的密度为6-12A/dm2与38-50A/dm2之间交替,交替次数为10-15次,其中低电流与高电流之间的时间比为1:2-2:3,电镀时间为 15min-20min。
带来的有益效果是:本发明提供的这种高性能模具的制造方法,工艺简单、节约资源、制造成本低廉、耐磨损抗腐蚀,耐高温、寿命长,有效降低了模具被异常压裂;同时热疲劳性能、热稳定性高和综合性能优良,同时通过镀镍处理,且镀镍的镀层均匀,耐腐蚀、耐磨损性好,镀层表面平整,不易产生裂纹,能够适应金属模具的要求,具有广阔的市场前景。
本发明的抗压模具的制造方法,在前面描述的技术方案的基础上还可以是:所述增塑剂为邻苯二甲酸酯。
本发明的抗压模具的制造方法,在前面描述的技术方案的基础上还可以是:所述固化剂为芳族胺。
本发明的抗压模具的制造方法,在前面描述的技术方案的基础上还可以是:所述表面活性剂选自乙二胺、二乙烯三胺、十二烷基苯磺酸氨或其组合。
本发明的抗压模具的制造方法,在前面描述的技术方案的基础上还可以是:所述碳化硅的粒径为400-600目。
本发明的抗压模具的制造方法,在前面描述的技术方案的基础上还可以是:所述石墨的粒径为400-600目。
本发明的抗压模具的制造方法,在前面描述的技术方案的基础上还可以是:根据权利要求1所述的一种抗压模具的制造方法,其特征在于:所述纳米二氧化锆的粒径为400-600目。。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种抗压模具的制造方法,其特征在于:制造所述模具的材料包括碳化硅4%-6%、石墨5%-8%、纳米二氧化锆3%-5%、固化剂2%-3%、表面活性剂3%-5%、二氧化硅4%-6%、增塑剂3%-5%,蒙脱土4%-6%,树脂组合物40-50份、丁苯橡胶15-15.5份、硫0.4-0.5份、氧化锌0.5-0.6份、橡胶促进剂DM0.2-0.3份,余量为水;采用上述模具材料制造模具的方法包括以下步骤:
S1:将碳化硅、石墨、二氧化硅、纳米二氧化锆、硫、氧化锌、橡胶促进剂进行称量后粉碎,放入到溶解器内;
S2:将固化剂、有机分散剂、树脂组合物、增塑剂、蒙脱土、丁苯橡胶称量后放入到溶解器内与步骤S1:中材料进行充分混合;将材料成型为有规则形状的毛坯,并对毛坯在800-900℃下进行预烧;
S3:根据所述需要制造的模具的确切尺寸对预烧完成的毛坯进行车坯,使车坯后的初级模具的尺寸较需要制造的模具的尺寸大;
S4:将步骤S3中车坯后的初级模具在1700℃以上进行高温烧结;
S5:根据所需要制造的模具的确切尺寸,对所述烧结完成的模具进行打磨;检查打磨完成的模具的尺寸与所需要制造的模具之间的尺寸是否吻合,根据果吻合,则模具的制造完成;
S6:将模具的成型面放入电镀溶液中进行电镀,所述的电镀溶液包括如下的成分:浓度为100g/L-220g/L硫酸镍、浓度为260g/L-320g/L硫酸镍氨基磺酸镍、浓度为15g/L-25g/L的氯化镍、浓度为20g/L的硼酸,所述溶液温度为45-75℃,电流的密度为6-12A/dm2与38-50A/dm2之间交替,交替次数为10-15次,其中低电流与高电流之间的时间比为1:2-2:3,电镀时间为15min-20min。
2.根据权利要求1所述的一种抗压模具的制造方法,其特征在于:所述增塑剂为邻苯二甲酸酯。
3.根据权利要求1所述的一种抗压模具的制造方法,其特征在于:所述固化剂为芳族胺。
4.根据权利要求1所述的一种抗压模具的制造方法,其特征在于:所述表面活性剂选自乙二胺、二乙烯三胺、十二烷基苯磺酸氨或其组合。
5.根据权利要求1所述的一种抗压模具的制造方法,其特征在于:所述碳化硅的粒径为400-600目。
6.根据权利要求1所述的一种抗压模具的制造方法,其特征在于:所述石墨的粒径为400-600目。
7.根据权利要求1所述的一种抗压模具的制造方法,其特征在于:所述纳米二氧化锆的粒径为400-600目。
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