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<feed xmlns="http://www.w3.org/2005/Atom"><title type="html"><![CDATA[绿叶.塑料百科]]></title><subtitle type="html"><![CDATA[装满了关于塑料原料、塑料成型、塑料机械、塑料模具、热塑性弹性体、橡胶和助剂的知识]]></subtitle><id>http://www.glp123.com/plashome/</id><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/"/><link rel="self" type="application/atom+xml" href="http://www.glp123.com/plashome/atom.xml"/><generator uri="http://www.rainbowsoft.org/" version="1.8 Devo Build 80201">RainbowSoft Studio Z-Blog</generator><updated>2008-07-07T11:06:40+08:00</updated><entry><title type="html"><![CDATA[塑料制件的尺寸与精度]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Molds.html" label="塑料模具"/><updated>2008-07-06T06:32:06+08:00</updated><published>2008-07-06T06:32:06+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">本文介绍了在设计塑料制件时针对尺寸和精度方面的考虑，并附有&ldquo;塑料制品公差数值表&rdquo;和针对不同塑料材料的&ldquo;精度等级选用表&rdquo;。</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Molds/133/Plastic_mold_design_5888/"/><id>http://www.glp123.com/plashome/Plastic_Molds/133/Plastic_mold_design_5888/</id></entry><entry><title type="html"><![CDATA[塑料制件的设计]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Molds.html" label="塑料模具"/><updated>2008-07-05T07:08:14+08:00</updated><published>2008-07-05T07:08:14+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">塑料制件主要是根据使用要求来进行设计。由于塑料有其特殊的物理机械性能，因此在设计塑料制件时应充分发挥其性能上的优点，避免或补偿缺点，在满足使用要求的前提下，制件形状应尽可能地做到简化模具结构，符合成型工艺特点。</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Molds/132/Plastic_mold_design/"/><id>http://www.glp123.com/plashome/Plastic_Molds/132/Plastic_mold_design/</id></entry><entry><title type="html"><![CDATA[塑料成型模具的分类]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Molds.html" label="塑料模具"/><updated>2008-07-04T09:11:01+08:00</updated><published>2008-07-04T09:11:01+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">不相同的塑料成型方法，要求使用不同原理和结构特点的成型模具。按成型加工方法的不同，塑料成型模具分为以下几类：</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Molds/131/Plastic_mold/"/><id>http://www.glp123.com/plashome/Plastic_Molds/131/Plastic_mold/</id></entry><entry><title type="html"><![CDATA[双螺杆挤出机的主要参数]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Machinery.html" label="塑料机械"/><updated>2008-07-03T09:44:28+08:00</updated><published>2008-07-03T09:44:28+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">双螺杆挤出机的主要参数有以下这些</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Machinery/130/dsr_extruding_1539/"/><id>http://www.glp123.com/plashome/Plastic_Machinery/130/dsr_extruding_1539/</id></entry><entry><title type="html"><![CDATA[双螺杆挤压系统结构和工作原理③]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Machinery.html" label="塑料机械"/><updated>2008-07-03T08:45:02+08:00</updated><published>2008-07-03T08:45:02+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">本文简要介绍了双螺杆挤出机中的整体式螺杆、组合式螺杆以及整体式料筒和组合式料筒。</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Machinery/129/dsr_extruding_1491/"/><id>http://www.glp123.com/plashome/Plastic_Machinery/129/dsr_extruding_1491/</id></entry><entry><title type="html"><![CDATA[双螺杆挤压系统结构和工作原理②]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Machinery.html" label="塑料机械"/><updated>2008-07-02T09:54:05+08:00</updated><published>2008-07-02T09:54:05+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">双螺杆挤出机的挤压系统是由两根啮合或非啮合、整体式或组合式、同向回转或异向旋转的螺杆和整体式或组合式的料筒所组成。</p><p style="text-indent: 24pt; mso-char-indent-count: 2.0">本文简要介绍双螺杆的螺纹头数对物料的影响。</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Machinery/128/dsr_extruding_6899/"/><id>http://www.glp123.com/plashome/Plastic_Machinery/128/dsr_extruding_6899/</id></entry><entry><title type="html"><![CDATA[双螺杆挤压系统结构和工作原理①]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Machinery.html" label="塑料机械"/><updated>2008-07-02T09:13:43+08:00</updated><published>2008-07-02T09:13:43+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">双螺杆挤出机的挤压系统是由两根啮合或非啮合、整体式或组合式、同向回转或异向旋转的螺杆和整体式或组合式的料筒所组成。</p><p style="text-indent: 24pt; mso-char-indent-count: 2.0">本文简要介绍非啮合型双螺杆、啮合同向回转型双螺杆、异向旋转啮合型双螺杆。</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Machinery/127/dsr_extruding_9888/"/><id>http://www.glp123.com/plashome/Plastic_Machinery/127/dsr_extruding_9888/</id></entry><entry><title type="html"><![CDATA[双螺杆挤出机概述]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Machinery.html" label="塑料机械"/><updated>2008-06-30T07:24:08+08:00</updated><published>2008-06-30T07:24:08+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">本文简要介绍了双螺杆挤出机的一些特点。</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Machinery/126/dsr_extruding/"/><id>http://www.glp123.com/plashome/Plastic_Machinery/126/dsr_extruding/</id></entry><entry><title type="html"><![CDATA[排气式挤出机的主要参数]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Machinery.html" label="塑料机械"/><updated>2008-06-30T06:34:25+08:00</updated><published>2008-06-30T06:34:25+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">排气式挤出机的螺杆长径比一般为24~30。</p><p style="text-indent: 24pt; mso-char-indent-count: 2.0">第一阶螺杆长度大约占螺杆全长的53~58%，最大不超过2/3。其长度和第一均化段长度的比约为0.8~1.8。在可能的情况下，第二均化段的长度应长些，以保证挤出的稳定。</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Machinery/125/Exhaust_extruding_machine_2552/"/><id>http://www.glp123.com/plashome/Plastic_Machinery/125/Exhaust_extruding_machine_2552/</id></entry><entry><title type="html"><![CDATA[排气式挤出机的工作原理]]></title><author><name>bobbilulu</name><email>a@b.com</email></author><category term="" scheme="http://www.glp123.com/plashome/post/Plastic_Machinery.html" label="塑料机械"/><updated>2008-06-29T20:13:28+08:00</updated><published>2008-06-29T20:13:28+08:00</published><summary type="html"><![CDATA[<p style="text-indent: 24pt; mso-char-indent-count: 2.0">对单螺杆排气式挤出机来说，其螺杆无异于由两根常规三段螺杆串联而成；在两根螺杆连接处设置排气口。排气口前面的一段螺杆叫作一阶螺杆，由加料段、第一压缩段、第一均化段组成；排气口后面的一段螺杆叫作二阶螺杆，由排气段、第二压缩段、第二均化段组成。</p>]]></summary><link rel="alternate" type="text/html" href="http://www.glp123.com/plashome/Plastic_Machinery/124/Exhaust_extruding_machine_7497/"/><id>http://www.glp123.com/plashome/Plastic_Machinery/124/Exhaust_extruding_machine_7497/</id></entry></feed>
