Process Control
Process control is important for establishing what aspects of a process are important to deliver customer satisfaction. Moreover, it is necessary to ensure that these aspects are properly in control, in order to deliver the required outcomes.
Process control major problems
There are four major problems in a process control system,
It doesn’t work:
This means 100% inspection is not 100% effective. However, the rejection of some good products will always be there, no matter how good the inspector, or sent for rework due to fatigue. Moreover, it also includes boredom or a dozen other factors.
It is expensive:
The system is costly in terms of manpower. Moreover, enough inspectors must get employe to ensure that inspection does not become a bottleneck in the production system.
It is too late:
Before diagnosis, the products have already been made. And, there is sufficient lag between production and inspection that any feedback would be meaningless.
It misplaces responsibility:
- Responsibility for quality devolves from the person making the item to the inspector of the item whilst the control of quality. And, it remains where it always will remain, with the person in control of the production process.
- Moreover, the only one with the ability to affect the final quality of the product has no incentive to pursue such improvements.
System problems
- The logical way to overcome the problems associated with this type of system is to apply preventative techniques at the operation stage. In addition, to ensure that the production is according to the required quality.
- Moreover, the approaches are based on Statistical Process Control (SPC) which is a statistical method of data collection and analysis. However, that works in such a way as to monitor the operation and control it to its maximum potential.
- And, this enables the operator to be carried out in the confidence that the final product will be good.
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