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16. Quality Control – SPC – Quality Management
16.1 Quality control
Quality control is carried out by the operators themselves.
The product's characteristics are defined in a set of specifications in which the customer sets out his requirements:
Measurable parameters are defined by nominal values, tolerances and measurement methodology: thickness, width, length, weight, flatness, curvature, corrugations, black spots, mechanical strength, shrinkage;
Parameters that cannot be measured or are difficult to measure are defined by comparison with a reference (color, opacity) or by appreciation (polished, matte, shiny surface finish);
visual defects that can be tolerated are listed, along with...
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Quality Control – SPC – Quality Management
Notion of production costs
Bibliography
Software tools
Contour TM Die (EDI)
BEMflow, Boundary Element Fluid and Heat Transfer Simulation Program
Inverted preland Die (Cloeren)
Websites
Octal
Rauwendall
The Madison Group
Verbruggen...
Standards and norms
- Management environnemental. Exigences et lignes directrices pour son utilisation. - ISO 14000 - Nov. 2004
- Food safety management systems – Requirements for all organisms in the food chain. - NF EN ISO 22000 - Oct. 2005
Directory
Manufacturers – suppliers (non-exhaustive list)
Robert Barr, Inc.
HPM
Extrusion Dies Industry, LLC
Statistical and economic data
Figure 1 compares the performance of two equivalent systems in terms of instantaneous available flow:
1 production unit, 1,300 kg/h, investment value €1.5 M ;
2 production units...
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