Skills and Know how:

Development

Design & Development

+ CAO systems with PTEC CREO & CATIA
+ Analysis systems: ANSYS-WORKBENCH, LS DYNA SC TETRA CFO simulation

Prototype Development and Production

+ Tube lines
+ Auto lathe lines
+ Fully capable prototype shop
+ Machining center CNC
+ 3D printing

Test & Analysis

+ Tightening, stress & strain hardening
+ Metallographic analysis
+ Endoscopic analysis
+ Mechanical & chemical testing
+ Tightness testing
+ Climate chambers
+ Salt spray tests
+ Cleanliness testing bench
+ Shock and vibration simulation for durability testing

Manufacturing processes

Machining

 

Milling Duncha manufacturing strength:

3, 4 and 5 axis CNC Gun Drill machine

4 Axis Milling: 

  • 550 x 400 x 425 mm
  • Max Spindle Speed: 12 000

Models: CHIRON FZ15 W (1)

5 Axis Milling:

  • 800 x 800 x 550mm
  • Max spindle Speed 10 000
    • Models: Hermle C42 (2)
  • 550x 400x 400 mm
  • Max spindle Speed 15 000

Models: CHIRON FZ 12 (1)

1 Gun Drilling:

  • Pressure 100 bars
  • Ø maxi 18mm (Material 1000 Mpa)
  • Lg maxi 700 mm

Models: IXION TLW 3-700.2 (1)

Turning Duncha manufacturing strength:

Single Spindle

• Chuck Size: 250mm
• Models: MAZAK QT 200 (1)

    Twin Spindle

    • Models:

      • STAR SR32 (1)
      • STAR SB 20 (8)
      • BIGLIA B545 YS (1)

      Automatized line:

      Turning, control, Cleaning & Packaging

        Part dimensions:

        Slug/piece = ∅ 210mm – Lg 500mm
        From bar = ∅ 20mm – Lg 200mm (some possibility in ∅ 32mm – Lg 300mm)

        Accuracy achieved:

        Less 2 decimal ➔ Hundredths (0.01) or Micron (µ)

          Tube process within Duncha manufacturing strength:

          Forming by cold pressing

          • 3 automatic machines burger (70000 t/days)
          • 3 manual forming machines (Crippa and silfax)

            Tube Bending

            • 5 cnc including 2 managed by robot (staubli)
            • About 10 automatic bending stations

              Autofretting

              • 5 aquarese machines
              • 12 automatic autofretting stations

                Washing and Cleanroom

                • Particle size: less than 150 micron

                Assembly line:

                • Washing, Clean room (< 150 micron)
                • Assembling and testing
                •  Welding
                • Automation (In-House Engineering

                Other processes within Duncha manufacturing strength:

                ECM:

                • Single Spindle
                • WORKING AREA Size:  1000x800x800 mm
                • Models: SERMATEC (1)

                AUTOFRETTAGE:

                • Pressure From 5000 bars to 9000 bars
                • Precision: +/- 100 bars
                • Models:  Internal development (x2)

                CLEANING: 

                • Carrousel cleaning Machine
                • Clean Room (75m2) (2)
                • Cleanliness inspection VDA19 & ISO/DIS 16232
                • Models: CHIRON FZ15 (1)

                ASSEMBLY / TESTING: 

                • Pressure Sensor testing
                • PCV pressure testing
                • High pressure leakage testing
                • Models : Internal development (X2)

                CONTROL/ MEASUREMENT

                3D MEASUREMENT EQUIPMENT

                Certifications:

                IATF 16949 – AS9100 (Rev D) – ISO14001