<![CDATA[【Basic-Die-Casting】技术资料——模具行业从业者必备知识手册]]><p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002</p>
<p>Basic Die Casting</p>
<p>October 23, 2006</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002</p>
<p>Die Casting Future Series of Presentations</p>
<p>• Basic Die Casting Metallurgy and Melt handling</p>
<p>October 27, 2006 - Location: CR-IL93 - New York Room 1:30pm – 3:30pm</p>
<p>• Pressure vs. Flow Rate (Q) known as PQ^2 and Gating Design</p>
<p>November 6, 2006 - Location: CR-IL93 - Newark Room 9:30pm – 11:30pm</p>
<p>• Dimensional Repeatability and Casting Defects</p>
<p>November 20, 2006 - Location: CR-IL93 - Newark Room 9:30pm – 11:30pm</p>
<p>• Die Cooling System and Die Casting Lubricants</p>
<p>December 6, 2006 - Location: CR-IL93 - Newark Room 2:00pm – 4:00pm</p>
<p>• Die Coatings and Surface Treatment</p>
<p>December 15, 2006 - Location: CR-IL93 - Newark Room 1:00pm – 3:00pm</p>
<p>• Die Design Concepts</p>
<p>January 9, 2007 - Location: CR-IL93 – LV- Assembly A- 9:00pm – 11:00pm</p>
<p>• Product Design For Die Casting</p>
<p>January 23, 2007 - Location: CR-IL93 – LV- Assembly A- 9:00pm – 11:00pm</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002 Basic Die Casting October 23, 2006</p>
<p>Die Casting:</p>
<p>is a process in which the liquid metal or semi-liquid</p>
<p>metal is forced into a reusable die very fast with high</p>
<p>pressure and temperature</p>
<p>.</p>
<p>• Three types of injection mechanism</p>
<p>•Cold Chamber</p>
<p>•Hot Chamber</p>
<p>•Thixomolding</p>
<p>• Four parts of the basic process</p>
<p>•Injection</p>
<p>•Solidification and cooling</p>
<p>•Opening</p>
<p>•Ejection</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002 Basic Die Casting October 23, 2006</p>
<p>Three Injections Mechanisms</p>
<p>Cold Chamber</p>
<p>• Metals that melt at high temperatures</p>
<p>• Metals that react with the injection mechanism</p>
<p>• Aluminum, magnesium and brass</p>
<p>Hot Chamber</p>
<p>• Used with metals that melt at lower temperatures</p>
<p>• Initially for zinc, Lead and now being magnesium</p>
<p>Thixo-Molding</p>
<p>• Hopper, Mg chips, screwing mechanism</p>
<p>• Mainly for magnesium</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002 Basic Die Casting October 23, 2006</p>
<p>Type of injection mechanism:</p>
<p>Cold Chamber</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002 Basic Die Casting October 23, 2006</p>
<p>Type of injection mechanism:</p>
<p>Hot Chamber</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002 Basic Die Casting October 23, 2006</p>
<p>Type of injection mechanism:</p>
<p>Thixo-Molding</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002 Basic Die Casting October 23, 2006</p>
<p>Four Parts of the Basic Process</p>
<p>1-Molten metal is injected into steel dies</p>
<p>. High pressures ensure molten metal fills the empty space</p>
<p>between the die halves</p>
<p>2- While metal is held in the die, it solidifies and cools</p>
<p>3- When solidification and cooling is completed, the die is opened</p>
<p>4- And the solid die casting is ejected</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Casting</p>
<p>Presentation to Alchemy , 28 February 2002 Basic Die Casting October 23, 2006</p>
<p>•Die Block Die Components</p>
<p>•Cavity</p>
<p>•Injection-related components</p>
<p>Parts include biscuits, sprues, runners, gates, overflows and vents</p>
<p>•Ejection-related components</p>
<p>The space in which the casting is formed usually called the die cavity</p>
<p>Copyright Motorola”2002 Motorola Confidential & Proprietary</p>
<p>Die Cas</p>

<hr>
<p>你们厂里是怎么处理的？来评论区聊聊。</p>

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