工序能力指数测算表Process Capability Calculation 工序能力指数测算表 上海采埃孚伦福德ZFLemforderShanghaiChassistechCo.,Ltd Processcapabilityindexmeasurementlist 最初originally图号drawingnumber工序名称processname供应商代码supplier名称name取样地点sampleplace零件名称partnember量具gauge □OTS□Prelaunch □ Production 供应...
Examples of process capability index calculation Is it still confusing? Let's discuss an example. Soups at your buffet must be served between 64–80 °C, as per your customer's specifications 🍲. The mean temperature of the soups is usually 72 °C, and the process of reheating has a st...
工序能力指数测算表 Process capability index measurement list □ OTS □ Pre - launch □ Production 供应商名称 supplier name 最初 originally 供应商代码 supplier code 产品型号 product type 图号 drawing number 名称 name 工序号 process number 工序名称 process name 取样地点 sample place 零件号 part numb...
Fig. 1. Capability Index calculationA common short-cut method of estimating the standard deviation is used in this example, where a table value is combined with the average range. This is useful where subgroup, average and range measurements are already made for a Control Chart. If an ...
Process capability expressions are sensitive to more than just the process capability. When a capability index requires normality of the individual items produced and stability of the process, it is essential to have evidence that these conditions exist. This means that a test for normality is not...
Example 8.7 Using the data from Example 8.3 and 8.6, determine the capability of the boring process using a Cpk value. Example 8.3 An SPC study has been implemented for a process involving the boring of a Ø100 mm bore. The nominal bore is 100 ± 0.1 mm. There are three shifts per ...
Fig. 1. Cpm calculation Set up an optimum environment before measuring the Process Capability, rather than measuring under normal working conditions. For example, use new tools, most skilled people, graded materials, slower execution, etc. This will give a measure of thepotentialof the process. ...
ProcessCapabilityStudyFlow LogicalSequenceforProcessCapabilityStudy Lettheprocesstellyouaboutitself.Usecontrolchart..DataAnalysisFlow Istheprocessinstatisticalcontrol YES NO Workontheprocesstobringitintostatisticalcontrolbyremovingundesirablespecialcauses,onebyone CollectionofdataDataAnalysisStep1CAStandardizationCalculation...
processcapability(cp,cpk,ppk)资料.ppt,Two Types of Processes All processes have: Natural (random) variability = due to common causes The Two Causes of Variation Common Causes: Causes that are implemented in the process due to the design of the process, a
Process Capability.ppt,GB_WK1_16_ProcCap_V2 Module 2.5 Process Capability You Are Here Goals Know basic methods for assessing process capability Understand the properties of a Normal Curve that are important to process capability calculations Know how to