SPC after the « project » Stage
How and when to make the transition from the project mode of the SPC approach to its daily use? Who should take the baton? These questions arise for all types of project, but we have some answers for you. Leading…
How and when to make the transition from the project mode of the SPC approach to its daily use? Who should take the baton? These questions arise for all types of project, but we have some answers for you. Leading…
In this article, we will briefly discuss some of the commonly held misconceptions about SPC. In every manufacturing sector, there are people who for one reason or another are not convinced by the benefits that SPC can bring. This is…
Multi-head processes are a common means of production that enable several parts to be produced in a single process cycle. Examples could include multi-spindle lathes, injection moulding, dosing and foundry applications – basically any process where multiple parts are manufactured…
Attributive control of aspect defects in an SPC approach is done using the classical attribute tracking charts NP (number of non-conforming parts), C (number of non-conformities), P (proportion of non-conforming parts) or U (proportion of non-conformities per unit). If a…
Attribute-based inspection is used whenever a part cannot be characterised by a number or a dimension. The result of the control will therefore be a status (good / not good) and not a measurement. Examples of status: good / not…
OK, this will be the final part of this series where we have looked at some of the key things you need to consider when launching a new SPC project. Last time, we started to add some detail to the…
During part 2 of this short series I highlighted the importance of having a structured process to ensure the success of the SPC project. During this final part, I’ll outline some of the key components and consideration for each step.…
Todays blog follows on from part 1 where I introduced some of the challenges which you might face when trying to roll out SPC in your company. As you can see from the various points raised, many of them are…
In this post I would like to deal with what is probably the biggest hurdle for most engineers when trying to implement SPC, which is the general negativity surrounding this subject in many organisations. Everyone has an opinion on why…
In this article, we will discuss two concepts in the field of Quality: incoming inspection and SPC. What links exist between the two? What are the common functions? Reception control vs SPC, let's go! Reception control and SPC functions We…