Process control problems and solutions
Process control problems and solutions
Principles of process control
Process Standards Document
Process Control Charts
- How are control charts constructed?
- What causes short term variability?
- What are the wider uses of the Process Control Charts?
- What are the differences between good and poor quality control charts?
- What are Temporary Change record sheets?
Monitors
Control of Processes
Mixing of doughs
- What should be included on a mixer operator's control record?
- What changes may occur at mixing?
- How should scrap dough be used?
- How should biscuit recycle be used?
Dough piece forming
- How may the feed from a sheeter be automatically controlled?
- How may the feed to a gauge roll be controlled?
Laminating
Baking
- What affects the baking time and what checks are needed?
- How should monitoring instruments be linked to automatic plant adjustment?
- How should biscuit weight be measured at the oven exit?
- What affects biscuit weight?
- How should biscuit size be measured at the oven exit?
- What affects biscuit length?
- What affects biscuit spread?
- What affects biscuit thickness?
- How should biscuit colour be measured at the oven exit?
- What affects biscuit colour?
- What biscuit appearance characters should be checked?
- What affects biscuit surface blisters?
- What affects biscuit surface cracking?
- What affects cavitation under baked biscuits?
- How should biscuit moisture be measured at the oven exit?
- What affects biscuit moisture content?
Oil spraying
Secondary processes
Cream sandwiching
Chocolate coating
- How may the chocolate pick up be checked?
- How can the degree of chocolate temper be checked?
- What affects chocolate quality on biscuits?
Wafers
- Why do wafer sheets stick to the baking plates?
- How should wafer baking plates be cleaned?
- What affects wafer sheet weight?
- What can be done to prevent "shelling" of wafers?
- What happens if the moisture content across a sheet is not uniform?
- How and why are wafer sheets conditioned?
- How are wafer sheet weights and moistures adjusted and controlled?
- How may the gap setting of wafer baking plates be adjusted?
Packaging