<P 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left><b>2.3 Rated clamping force and adequate clamping force</b> <p></p></P><P 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>2.3 额定锁模力和充分(适度?)的锁模力(<b>adequate</b>怎么翻译比较专业?请高人指点)<p></p></P><P 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>The clamping force found in the specification table of an injection moulding machine is the rated clamping force F<SUB>o</SUB>. By considering the various design parameters, the machine designer calculates it using formula (1).<p></p></P><P 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>在注射成型机规格表标签上的锁紧力是额定锁紧力F<SUB>o。</SUB>通过对各种设计参数的考虑,机台设计者应用公式(1)计算出其大小。<p></p></P><P 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>In using an injection moulding machine, it is best to use the minimal but adequate clamping force F. An adequate clamping force holds the mould halves together against the cavity pressure during the injection phase.<p></p></P><P 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>使用注射成型机,最好使用最小同时充足的锁模力F。适度的锁模力在注射阶段能够克服型腔压力锁紧两个半模。<p></p></P><P 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>An excessive clamping force distorts the mould and the mould cavity unnecessarily, affecting the precision of the moulded part. Furthermore, a high clamping force compresses the toggles and the mould, and stretches the tiebars, reducing the fatigue lives of the toggle pins, the mould and the tiebars.<p></p></P><P 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>过大的锁模力会使模具以及模腔产生不必要的变形,影响成型品的精度。高锁模力对曲轴结构和模具产生挤压,对拉杆(控制开合模甚至锁模的四个大杆)产生拉伸,从而降低他们的疲劳寿命。<p></p></P><P> </P> |