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来源：百度知道 编辑：UC知道 时间：2024/05/17 21:07:58
Cooling with Copper Alloys
Typically the C17200, C17510 and C18000 copper alloys are used in plastic forming areas of molds because of their high thermal conductivity and unique abilities to attain a more even molding surface temperature.
The key to obtaining and maintaining plastic part dimensional stability and repeatability, critical in three and six sigma molding, is to expose each and every cavity and molding cycle to exactly the same conditions. The molding machine and/or process controls provide the ability to control melt temperatures, screw recovery, injection rates and pressures, cycle time and other parameters associated with the process. Control of both the mold surface temperature and then the range of these temperatures is a separate and frequently overlooked process.
After cavity filling, mold temperature control is the single most important factor influencing dimensional control of the molded part. All thermoplastics have to be cooled from their melt
Typically the C17200, C17510 and C18000 copper alloys are used in plastic forming areas of molds because of their high thermal conductivity and unique abilities to attain a more even molding surface temperature.
The key to obtaining and maintaining plastic part dimensional stability and repeatability, critical in three and six sigma molding, is to expose each and every cavity and molding cycle to exactly the same conditions. The molding machine and/or process controls provide the ability to control melt temperatures, screw recovery, injection rates and pressures, cycle time and other parameters associated with the process. Control of both the mold surface temperature and then the range of these temperatures is a separate and frequently overlooked process.
After cavity filling, mold temperature control is the single most important factor influencing dimensional control of the molded part. All thermoplastics have to be cooled from their melt
铜合金的冷却
典型的c17200 , c17510 c18000及铜合金用于塑料成型领域的霉菌,因其具有高导热性和 独特能力,以达到一个更成型表面温度. 关键获得和维持塑料件尺寸的稳定性和重复性,关键要在三年六西格玛成型 是让每一个腔及成型周期,以完全相同的条件. 成型机和/或过程控制提供能力控制熔体温度,螺丝回收,注射率和压力 周期时间及其他参数与过程. 控制了模具的表面温度,然后由这些温度是一个单独和经常被忽视 过程. 经过补洞,模具温度控制是最重要的因素,立体控制的成型. 所有热塑性塑料都必须冷却其熔融温度为摄氏那里可以跳伞正确无 伤害部分. 通常我们认为,这一进程刚刚冷却结晶,但有时模具加热. 我们的最终目标是要控制结晶温度在一定范围内,出土了产品在技术指标在可接受的周期.