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target="_blank">玉田县永信机械制造有限公å?/a>您有所了解吗?今天玉田县永信机械制造有限公司的ž®ç¼–ž®Þq»™å¤§å®¶å¸¦æ¥å…³äºŽå½±å“ä¸é”ˆé’¢é“¸ä»¶å°ºå¯¸ç²¾å‡†çš„因素你知道吗的详¾l†ä»‹¾lï¼Œä¹Ÿè®©æ‚¨å¯¹çŽ‰ç”°åŽ¿æ°¸ä¿¡æœºæ¢°åˆ¶é€ æœ‰é™å…¬åæ€º†è§£æ›´å¤?p style="text-indent:2em;">1、铸件的¾l“æž„åQšé“¸ä»¶å£åŽšï¼Œæ”¶ç¾ƒçŽ‡å¤§åQŒé“¸ä»¶å£è–„,收羃率小åQŒè‡ªç”±æ”¶¾~©çŽ‡å¤§ï¼Œé˜È¢æ”¶ç¾ƒçŽ‡å°ã€?/p><p style="text-indent:2em;">2、制壳的材料åQšä¸é”ˆé’¢é“怚g采用锆英砂、锆è‹Þq²‰ã€ä¸Šåº—砂、上店粉åQŒå› å…¶è†¨èƒ€¾pÀL•°ž®ï¼Œä»…äؓ4.6×10-6/℃ã€?/p><p style="text-indent:2em;">3、型壳的焙烧åQšç”±äºŽä¸é”ˆé’¢é“怚g型壳的膨胀¾pÀL•°ž®ï¼Œå½“åž‹å£Ïx¸©åº¦äؓ1150℃时åQŒä»…ä¸?.053%ã€?/p><p style="text-indent:2em;">4、不锈钢é“怚g‹¹‡é“¸çš„温度:‹¹‡æ³¨æ¸©åº¦­‘Šé«˜åQŒæ”¶¾~©çŽ‡­‘Šå¤§åQŒæµ‡æ³¨æ¸©åº¦ä½ŽåQŒæ”¶¾~©çŽ‡­‘Šå°åQŒå› æ­¤æµ‡æ³¨æ¸©åº¦åº”适当ã€?/p><p style="text-indent:2em;">5、铸件材质:材料中含¼„³é‡­‘Šé«˜åQŒä¸é”ˆé’¢é“怚g¾U¿æ”¶¾~©çŽ‡­‘Šå°åQŒå«¼„³é‡­‘Šä½ŽåQŒä¸é”ˆé’¢é“怚g¾U¿æ”¶¾~©çŽ‡­‘Šå¤§ã€?/p><p style="text-indent:2em;">6、制模对é“怚g¾U¿æ”¶¾~©çŽ‡åQšå°„蜡温度、射蜡压力、保压时间对熔模ž®ºå¯¸çš„媄响以ž®„蜡温度最明显åQŒå…¶‹Æ¡äؓž®„蜡压力åQŒä¿åŽ‹æ—¶é—´åœ¨ä¿è¯ç†”模成型后对熔模最¾lˆå°ºå¯¸çš„影响很小不锈钢,影响不锈钢铸件尺寸精准的因素你知道吗蜡料的线收羃率约ä¸?.9-1.1%ã€?/p><p style="text-indent:2em;"> <span style="color:#0020FF;">您或许想要了è§?/span><span style="color:#0020FF;">åQ?/span> </p><p style="text-indent:2em;">不锈钢铸造方式一般采用的都是¾_‘Ö¯†é“”R€ ï¼Œå½“不锈钢é“怚g在脱壟뀁机械加工以及在安装的过½E‹ä¸­åQŒå¸¸å‘作脆断(卌™„†æ€§æ–­è£?的现象。如遇这¿Ué—®é¢˜ï¼Œž®†ä¼šä½¿æ•´ç‚‰é“¸ä»¶ä½œåºŸï¼Œå¼•è“v˜q™ç§çŽ°è±¡çš„原因有好多åQŒä¸‹é¢å°±ä¸¾ä¾‹ä¸ºå¤§å®¶ä»‹¾lä¸€ä¸‹ã€?/p><p style="text-indent:2em;">不锈钢铸件发生脆断的原因如下åQ?/p><p style="text-indent:2em;">1、熔炼时的脱氧剂一铝用量过高,它与钢中的æÛ化合易构成æÛ化铝å¤ÒŽ‚而ä‹Éé“怚g脆断ã€?/p><p style="text-indent:2em;">2、筑炉衬时硼酸用量过高,而ä‹É钢发生碳¼‹¼åŒ–合物åQŒå³â€œç¡¼è„†â€ã€?/p><p style="text-indent:2em;">3、碳含量˜q‡é«˜ä»¥åŠå…¶ä»–合金元素­‘…越½{”应规模也会佉K’¢çš„脆性增加,例如在用生铁增碳æ—Óž¼ŒåŠ æ–™ä¸ä»”¾l†æˆ–不经核算åQŒå¿…定会带进有害元素ã€?/p><p 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