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class="con">沛_Œ—é”ÖMšg一般ä‹É用圆形或方åŞ‹‚’料作äؓ坯料。棒料的晶粒¾l“构和力学性能均匀良好åQŒåŞ状和ž®ºå¯¸å‡†ç¡®åQŒè¡¨é¢è´¨é‡å¥½åQŒä¾¿äºŽç»„¾l‡å¤§æ‰šw‡ç”Ÿäñ”。只要合理控制加热温度和变åŞ条äšgåQŒå°±èƒ½é”»é€ å‡ºæ€§èƒ½ä¼˜è‰¯çš„é”»ä»Óž¼Œè€Œä¸ä¼šäñ”生大的锻造变形。锻件加工原材料的方法怎样挑选呢åQŸæˆ‘们一èµïLœ‹å·¥ä½œäººå‘˜çš„详¾l†ä»‹¾lã€‚经压制和烧¾l“成的粉末冶金预制坯åQŒåœ¨çƒ­æ€ä¸‹¾læ— é£žè¾¹æ¨¡é”»å¯åˆ¶æˆç²‰æœ«é”»ä»¶ã€‚锻件粉末接˜q‘于一般模é”ÖMšgçš?..</div> </div> </div> <div class="insNewList clearfix"> <div class="fl newCon"> <div class="nTit clearfix"> <a href="/news/474.html">矛_®¶åº„锻件常用的锻造方法和优缺点讲è§?/a> <span>2022-08-08</span> </div> <div class="con">矛_®¶åº„锻仉™”»é€ ç”¨æ–™ä¸»è¦æ˜¯å„种成分的碳素钢和合金钢åQŒå…¶‹Æ¡æ˜¯é“ã€é•ã€é“œã€é’›½{‰åŠå…¶åˆé‡‘,铁基高温合金åQŒé•åŸºé«˜æ¸©åˆé‡‘,钴基高温合金的变形合金也采用锻造或轧制方式完成åQŒåªæ˜¯è¿™äº›åˆé‡‘由于其塑性区相对较窄åQŒæ‰€ä»¥é”»é€ éš¾åº¦ä¼šç›¸å¯¹è¾ƒå¤§åQŒä¸åŒææ–™çš„加热温度åQŒå¼€é”ÀL¸©åº¦ä¸Ž¾lˆé”»æ¸©åº¦éƒ½æœ‰ä¸¥æ ¼çš„要求ã€?、自由锻自由é”ÀL˜¯æŒ‡ç”¨½Ž€å•çš„通用性工å…øP¼Œæˆ–在锻造设备的上、下砧铁之间直接对坯料施加外åŠ?ä½?..</div> </div> </div> <div class="insNewList clearfix"> <div class="fl 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