PPAP(PRODUCTION PART APPROVAL PROCESS生产件批准程序)是QS-9000质量体系产品质量先期策划(APQP)的重要环节，同时本身是QS-9000质量体系的一项重要内容。它位于样件(PROTOTYPE)试验完成通过之后，正式批量投产供货之前。其目的是验...PPAP(PRODUCTION PART APPROVAL PROCESS生产件批准程序)是QS-9000质量体系产品质量先期策划(APQP)的重要环节，同时本身是QS-9000质量体系的一项重要内容。它位于样件(PROTOTYPE)试验完成通过之后，正式批量投产供货之前。其目的是验证由正式生产状态下设备、工装、过程所制造出的产品能否符合顾客所需的技术标准、供货能力并具有持续满足这些要求的潜在能力。简言之，它是对外证实能力，对内寻求持续改进着手点的关健过程。本文以本厂F15项目实施PPAP所进行的探索为例对此过程从理论认识和实践操作两方面探讨如何更好地实施PPAP，以期规范地进行这项工作，满足顾客的需求。展开更多
Spirohypatone A(1),a spirocyclic PPAP(polycyclic polyprenylated acylphloroglucinol) bearing an unprecedented hexahydro-1’H-spiro[cyclohexane-1,2’-pentalene]-2,4,6-trione core and a new homologue(spirohypatone B,2) w...Spirohypatone A(1),a spirocyclic PPAP(polycyclic polyprenylated acylphloroglucinol) bearing an unprecedented hexahydro-1’H-spiro[cyclohexane-1,2’-pentalene]-2,4,6-trione core and a new homologue(spirohypatone B,2) were isolated from Hypericum patulum together with two known biosynthetic precursors.Compound 1 represents the first spirocyclic PPAP possessing a 5/5/6 carbon ring system,biogenetically derived from the intermediate 3(attack from C-3 to C-12),which was differed from normal spirocyclic PPAPs(attack from C-3 to C-11).In addition,through extensive spectroscopic analysis,an interconversion mechanism of keto-enol of 1 was postulated and confirmed by its methylated reaction.The structures and absolute configurations of 1 and 2 were determined by comprehensive spectroscopic and chemical derivatized methods and X-ray crystallography.Compounds 1,2,and 4 were tested to exhibit cytotoxic activities against several cancer cell lines.展开更多
生产件批准程序(Production Part Approval Program)(PPAP)是为了确定供应商是否已经了解顾客工程设计纪录和规范的要求,生产过程是否具有能力按规定的生产节拍来生产满足顾客要求的产品。 生产件是指在生产现场使用正式的工装、量具、...生产件批准程序(Production Part Approval Program)(PPAP)是为了确定供应商是否已经了解顾客工程设计纪录和规范的要求,生产过程是否具有能力按规定的生产节拍来生产满足顾客要求的产品。 生产件是指在生产现场使用正式的工装、量具、过程、材料、操作者、环境和过程参数(如进给量、速度、循环时间、压力、温度)制造的零件。展开更多
介绍了证明汽车零部件工厂自身制造能力和满足顾客产品要求的有效的五大质量工具之一的生产件批准过程PPAP(Production Part Approval Process)质量工具的适用范围、提交等级及过程要求等,为企业实施TS16949汽车质量管理体系提供了参考...介绍了证明汽车零部件工厂自身制造能力和满足顾客产品要求的有效的五大质量工具之一的生产件批准过程PPAP(Production Part Approval Process)质量工具的适用范围、提交等级及过程要求等,为企业实施TS16949汽车质量管理体系提供了参考。事实证明世界汽车行业供应链中采用TS16949汽车质量管理体系标准确实行之有效。展开更多
文摘PPAP(PRODUCTION PART APPROVAL PROCESS生产件批准程序)是QS-9000质量体系产品质量先期策划(APQP)的重要环节，同时本身是QS-9000质量体系的一项重要内容。它位于样件(PROTOTYPE)试验完成通过之后，正式批量投产供货之前。其目的是验证由正式生产状态下设备、工装、过程所制造出的产品能否符合顾客所需的技术标准、供货能力并具有持续满足这些要求的潜在能力。简言之，它是对外证实能力，对内寻求持续改进着手点的关健过程。本文以本厂F15项目实施PPAP所进行的探索为例对此过程从理论认识和实践操作两方面探讨如何更好地实施PPAP，以期规范地进行这项工作，满足顾客的需求。
基金financially supported by the NSFC-Joint Foundation of Yunnan Province(No.U1902213)the Second Tibetan Plateau Scientific Expedition and Research(STEP)Program(No.2019QZKK0502020303)+1 种基金Southeast Asia Biodiversity Research Institute,CAS(No.2017CASSEABRIQG003)the Natural Sciences Foundation of Yunnan Province(No.2019FA003)。
文摘Spirohypatone A(1),a spirocyclic PPAP(polycyclic polyprenylated acylphloroglucinol) bearing an unprecedented hexahydro-1’H-spiro[cyclohexane-1,2’-pentalene]-2,4,6-trione core and a new homologue(spirohypatone B,2) were isolated from Hypericum patulum together with two known biosynthetic precursors.Compound 1 represents the first spirocyclic PPAP possessing a 5/5/6 carbon ring system,biogenetically derived from the intermediate 3(attack from C-3 to C-12),which was differed from normal spirocyclic PPAPs(attack from C-3 to C-11).In addition,through extensive spectroscopic analysis,an interconversion mechanism of keto-enol of 1 was postulated and confirmed by its methylated reaction.The structures and absolute configurations of 1 and 2 were determined by comprehensive spectroscopic and chemical derivatized methods and X-ray crystallography.Compounds 1,2,and 4 were tested to exhibit cytotoxic activities against several cancer cell lines.
文摘生产件批准程序(Production Part Approval Program)(PPAP)是为了确定供应商是否已经了解顾客工程设计纪录和规范的要求,生产过程是否具有能力按规定的生产节拍来生产满足顾客要求的产品。 生产件是指在生产现场使用正式的工装、量具、过程、材料、操作者、环境和过程参数(如进给量、速度、循环时间、压力、温度)制造的零件。
文摘介绍了证明汽车零部件工厂自身制造能力和满足顾客产品要求的有效的五大质量工具之一的生产件批准过程PPAP(Production Part Approval Process)质量工具的适用范围、提交等级及过程要求等,为企业实施TS16949汽车质量管理体系提供了参考。事实证明世界汽车行业供应链中采用TS16949汽车质量管理体系标准确实行之有效。
