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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%" height="26">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>loiwtjsf</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/subSilver/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Śro 1:32, 12 Sty 2011<span class="gen"> </span> Temat postu: stivali ugg Vacuum cut-off point on Die Casting Po</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Vacuum cut-off point on Die Casting Porosity <br /> <br /> <br />2 parameters (see Table 1) Table 1 Parameters Table1Technicalparameter Note: the quality of care for every lucky break was Taijin essays, the quality of the overflow tank Taijin. 3.3 Process Test fast shot set point of zero bits,<a href="http://www.stivaliuggitalia.org" target="_blank" class="postlink">stivali ugg</a>, that is, when the molten alloy close to the runner, the vacuum cut-off point to the quick shot from the point of sub-15 points,<a href="http://www.monclerjackens.net" target="_blank" class="postlink">moncler günstig</a>, each point of measurement of four, taking the average quality . Number of samples were 6o months. Figure 2 is a cut-off point of each vacuum casting quality of the curve. Figure 3 is the cutoff point of various vacuum casting the relative weight ratio of the curve. Vacuum is the relative mass cut-off point than in the quality of 15mm at the time of zero, and in other points the ratio of the time of casting quality. 391390389388 scold 3B? Good 3863853 \3Castingrelativequafity; ationvariationwithvacuumdeadpoint100, the relative mass ratio increased 1.1I, that the density of castings increased by 1 or more. Vacuum cut-off point in the I15mm, 125mm, I35mm, the casting quality changed little, indicating the premature end vacuum, vacuum can not afford a big role, because after the cessation of vacuum, air from the parting fleeing into the surface of the mold cavity, etc., making the United box when pressed into the cavity, the cavity of the negative pressure is not high. The vacuum point in 10mm, I5mm, the curve slowed down, indicating that the effect of vacuum closer. In order to avoid molten alloy under the effect of suction in a vacuum,<a href="http://www.monclerjackens.net" target="_blank" class="postlink">moncler daunenjacke</a>, low melt blocked by the runner when the runner, the vacuum cut-off point set in the fast punch injection point (close to the melting co-box runner) before the I5 ~ 20mm Service is good. This is equivalent to a diameter of 14.5mm to reduce the spherical pores,<a href="http://www.stivaliuggitalia.org" target="_blank" class="postlink">ugg milano</a>, the profile from the casting point of view there are holes there are also rare. 4 Conclusion circle: cut-off point with the change in vacuum casting quality change music spot (1) vacuum die casting can effectively reduce the porosity, improve casting. 2 ~ variationwit]] vacuumdead-FigCastingqualityvariationwithdeadpoint ... ... ... ... ... ~ ... ... ... ... ... can be seen from the two plans, the quality of castings with the density of the vacuum cut-off point 1% ~ / 2t. The extension of the density increase as casting, casting quality by 385.8g progressive (2) set the cutoff point vacuum quick punch before the injection point increased to 15 ~ 2O 390.2g, casting the relative weight ratio from 98. increased to 89 mm at the well. (Editor: Yuan Zhenguo) Fourth Tu Quanguo Mold Casting Academic Year and the Professional Committee of the General Assembly Mold Casting notice of the meeting and summarized for the comprehensive exchange of real casting China in recent years the academic, research, production and other aspects of the new achievements in implementation of the 21st Century the development prospects of casting, is organizing the Fourth National Academic Mold Casting Mold Casting Annual Conference Committee of the General Assembly now meeting notice of the matter as follows: 1. Topic: Mold Casting and Green Engineering ① ② mold design and manufacturing technology look like molding technology; 2. ③ coatings technology conference content; ④ Mold Casting Aluminum Casting Technology; (1) 21 special reports casting technology trends ⑤ Mold Casting casting quality control ⑥ Mold Casting equipment from the 9th World Bo ~ (GIFA99) see 3 foundry industry's development trend Yuan date of the meeting place of a Huazhong University of Science Professor Huang Naiyu Date: May 2000 15 19 Aluminum Mold Casting refuse measures that exist in place of Q; Huazhong University Academic Exchange Center of Light for a FAW Contact the director of a Yangjun Han Wu engine over German technology and equipment Mold Casting overview of the development of Huazhong University of Science and Engineering,<a href="http://www.stivaliuggitalia.org" target="_blank" class="postlink">ugg stivali</a>, Foundry Research Institute of a Police State Mr. G. Sed】 ma_r Department Tel ~: t. 423700-7847543876 (office) 8754l852 (house) of Germany Mr · JoachimTeubert Fax} 027-87543876 Real Progress Casting 4. Exhibition Huazhong University of Science Professor Luo Jirong Contact: Chen Wei Chen, \.] / cast,) 94 857 post-82 sector Committee 4 (Members ~ Club) an associate professor of Huazhong University of Science NORTHEASTERN UNIVERSITY. . 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