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原帖由 <i>YINDONG411</i> 于 2007-6-21 19:42 发表 <a href="http://www.3dportal.cn/discuz/redirect.php?goto=findpost&pid=1353188&ptid=297146" target="_blank"><img src="http://www.3dportal.cn/discuz/images/common/back.gif" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.3dportal.cn/discuz/images/common/back.gif');}" onmousewheel="return imgzoom(this);" alt="" /></a><br /> 0 ?/ n/ f5 ?9 d. x4 A5 C调质之后淬硬不??<br />( M! b; D$ @+ K) u2 H8 |+ v 如果淬硬之后直接磨, 那你还是先去黑皮吧。否则没必要。<br /> 3 F) R% f1 v; P0 H) w; R<br /> 1 ^4 x% l7 w6 U/ i( E不加工直接去调质可以啊,但是要看你的后续工艺了。 如果是低碳钢 调质更好了省的加工的时候太软了。
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