Technical knowledge for purchasers: essential basic know-how

Excursus: Interface between product development and production process

Reading and understanding technical drawings

• Introduction "Technical drawing".
  • Drawing types, drawing formats, title blocks, display formats, etc.
• Representation of components/workpieces.
  • Representation using various projection methods, representation using sections, etc.
• Standard-compliant dimensioning of workpieces.
• Tolerances for dimensions (according to 2768-1).
  • Nominal dimension, deviation, limit and actual dimensions, tolerance classes, general tolerances, etc.
• Tolerances for shape and position (according to 2768-2).
• Surface finish.
• Tolerance principles.
• Fits.
  • Clearance fit, interference fit, transition fit.
• Soldered and welded joints.

Mechanical manufacturing processes and machine tools

• The most important manufacturing processes in the metalworking industry.
  • Primary molding (casting, sintering, extrusion, etc.).
  • Forming (bending, deep drawing, rolling, forging, etc.).
  • Cutting (turning, milling, shear cutting, grinding, etc.).
  • Joining (bonding, welding, soldering).
  • Coating process, fabric changes.
• Differentiation of the various manufacturing processes.
  • Casting or machining?
  • Laser cutting, nibbling or punching?
• Testing technology.
  • Measurement deviations, mechanical and electronic measuring devices, surface testing methods.
• Various machine tools and processing machines.

Excursus: Production management