Is there any sort of numeric guideline regarding how may times a product feature can fail before a product audit is done?
Products defects in some industries are very tolerant, so defects rarely trigger any action. e.g.
An MDT failure in a Circuit Assemble shop. (note: MDT is a pretest before final inspection – failures are just scrapped. No action unless exceed $ point).
Graded product (e.g. Food – nice fruits go to produce aisle, bruised fruits go to juicing).
In some industries, a feature can be labeled as ’critical’, and if a defect is encountered, a production line stoppage will occur with an 8D style investigation initiated and addressed before restart.
If provide more details of the type of feature, product, and industry, maybe can give recommendation.
So we don't really have an FMEA for any product(sadly) but this feature on our product is really important. We make our product in batches, so this particular batch had a DPU of 63%, so its's pretty severe. I just want to make sure the product is made correctly the next time
How does operators know how to make the product?
- Does their company provide drawings or specifications?
- Does customer provide drawings or specifications?
- Is it made to a generally available industry standard?
- Is it made base on handed down information from/during training?
- other? explain.
How does job orders make it to production (to the operators)?
- Use of a Job traveler
- Kanban system
- Copy of PO from customer sent to operators
- Operation software send message (ERP, MRP, or such)
- Continuity production (they make the same product each day, so need to to tell them what or how much to make each day)