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</dd> </dl> </div> </div> </div> <div class="main_right"> <div class="sitemap"><a href="/">首页</a> > <a href="/news/gsxw/">公司新闻</a> > 详细内容 > 塑胶制品生产过程如何减少缺陷出现</div> <div class="content"> <div class="news_xaingxi"><h1>塑胶制品生产过程如何减少缺陷出现</h1></div> <div class="news_author"> 来源?a href='http://www.hbnvc.com/news/105.html'>http://www.hbnvc.com/news/105.html</a>   发布时间?018-08-24 </div> <div class="news_content"> <p><p> 将热处置后的淬火应力降低到最低限度,由于淬火应力、网状碳化组织在磨削力的作用下,组织产生相变极易使工件产生裂纹。合理运用冷却光滑液,发挥冷却、洗濯、光滑的三大作用,坚持冷却光滑清洁,从而控制磨削热在允许范围内,以避免塑胶制品热变形。详细操作如下: </p> <p> 1、改善磨削时的冷却条件,如采用浸油砂轮或内冷却砂轮等措施。将切削液引入砂轮的中心,切削液可直接进入磨削区,发挥有效的冷却作用,避免塑胶制品外表烧伤。合理运用冷却光滑液,发挥冷却、洗濯、光滑的三大作用,坚持冷却光滑清洁,从而控制磨削热在允许范围内,以避免工件热变形?</p> <p> 2、将热处置后的淬火应力降低到最低限度,由于淬火应力、网状碳化组织在磨削力的作用下,组织产生相变极易?span>塑胶制品</span>产生裂纹。关于高精度模具为了消弭磨削的剩余应力,在磨削后应停止低温时效处置以进步韧性?</p> <p> 3、消弭磨削应力也可将模具?60~315℃盐浴中?.5min,然后在30℃油中冷却,这样硬度可降?HRC,残留应力降?0%~65%?</p> <p> 4、关于尺寸公差在0.01mm以内的精细模具的精细磨削要留意环境温度的影响,请求恒温磨削。由计算可知?00mm长的钢件,温?℃时,资料有10.8μm左右的变化,各精加工工序都需充沛思索这一要素的影响?</p> <p> 5、采用电解磨削加工,改善模具制造精度和外表质量。电解磨削时,砂轮刮除氧化膜:而不是磨削金属,因此磨削力小,磨削热也小,不会产生磨削毛刺、裂纹、烧伤等现象,普通外表粗糙度可优于Ra0.16μm;另外,砂轮的磨损置小,如磨削硬质合金,碳化硅砂轮的磨损量大约为磨削掉的硬质合金重量的400%~600%,用电解磨削时,砂轮的磨损量只要硬质合金磨除量的50%~100%?</p> <p> <img src="http://www.hbnvc.com/uploads/news/20180824034311.jpg" width="500" height="400" title="塑胶制品" align="" alt="塑胶制品" /> </p></p> <div class="pagess"><div>上一?<a href="106.html">塑胶玩具采购需认准3C标志</a></div> <div>下一?<a href="104.html">塑胶玩具厂家教你如何选玩?/a></div> </div> <div class="info_key"> <span>相关标签?/span> </div> </div> <div class="clear"></div> </div> <div class="zklist"> <div class="zklist-T"> 相关新闻</div> <div class="zklist-C"> <ul> <li> <a href="/news/153.html" title="东莞饰品厂家目的就在于塑造口碑形? 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