Castings

Machining

patterns

quality

Hand moulding shop

  • maximum weight of a casting: 16 000 kg
  • dimensions of caisson mould: 9000 x 3000 mm
  • dimensions of moulding box: 4000 x 3500 mm
  • single-piece work and small-batch production
  • casting accuracy class: ČSN EN ISO 8062-3, CT 10-14
  • full mould casting LLG up to 13 t and LKG up to 6 t

Machine moulding shop

  • maximum weight of a casting: 300 kg
  • dimensions of moulding box: 1200 x 1000 x 350/350 mm
  • production in series: 500 - 10 000 pc/year
  • casting accuracy class: ČSN EN ISO 8062-3, CT 9-10

Lamellar cast iron (grey iron)

identification of cast iron (ČSN EN 1561) equivalent material
according tensile strength according hardness Czech Republic Germany USA
grade number grade number ČSN DIN 1691 ASTM A48
EN-GJL-150 EN-JL1020
5.1200
EN-GJL-HB175 EN-JL2020
5.1201
42 2415 GG-15 Class 25
EN-GJL-200 EN-JL1030
5.1300
EN-GJL-HB195 EN-JL2030
5.1304
42 2420 GG-20 Class 30
EN-GJL-250 EN-JL1040
5.1301
EN-GJL-HB215 EN-JL2040
5.1305
42 2425 GG-25 Class 40
EN-GJL-300 EN-JL1050
5.1302
EN-GJL-HB235 EN-JL2050
5.1306
42 2430 GG-30 Class 45, 50
EN-GJL-350 EN-JL1060
5.1303
EN-GJL-HB255 EN-JL2060
5.1307
42 2435 GG-35 Class 55, 60

Nodular cast iron (ductile iron)

identification of cast iron (ČSN EN 1563) equivalent material
according tensile strength Czech Republic Germany USA
grade number ČSN DIN 1693 ASTM A48
EN-GJS-400-18LT EN-JS1025
5.3103
42 2314 GGG-40.3 Gr. 60-40-18
EN-GJS-400-18 EN-JS1020
5.3105
42 2314 GGG-40.3 Gr. 60-40-18
EN-GJS-400-15 EN-JS1030
5.3106
42 2304 GGG-40 Gr. 65-45-12
EN-GJS-450-10 EN-JS1040
5.3107
EN-GJS-500-7 EN-JS1050
5.3200
42 2305 GGG-50 Gr. 70-50-05
EN-GJS-600-3 EN-JS1060
5.3201
42 2306 GGG-60 Gr. 80-60-03
EN-GJS-700-2 EN-JS1070
5.3300
42 2307 GGG-70 Gr. 100-70-03
EN-GJS-800-2 EN-JS1080
5.3301
42 2308 GGG-80 Gr. 120-90-02

Machining

  • roughing and final machining of parts up to weight 20 000 kg
  • max. dimension of workpiece 10 000 x 3 000 x 2 150 mm
  • heat treatment of castings and weldments at annealing furnace

Machining centre Makino a81nx

  • clamping surface 630 x 630 x 1 000 mm
  • max. weight of workpiece 1 200 kg
  • accuracy of positioning 0,01 mm

Gantry milling centre FRF (Q) 300

 

  • clamping surface 10 000 x 3 000 mm, z = 1 450 mm
  • max. weight of workpiece 20 000 kg
  • accuracy of positioning 0,02 mm

Patterns

  • maximum dimensions of a part to be milled: 2 500x 1200x 320 mm
  • materials: epoxy and polyurethane resins casted
  • synthetic resin
  • class of execution and grade of accuracy: ČSN EN 12890, DIN 1511

Quality

  • single certificates displayed
  • quality management system in accordance with EN ISO 9001:2008
  • sand, metallographic and material laboratory
  • metal analysis performed with SPECTROMAXx
  • determination of carbon and sulphur executed by LECO
  • non-destructive testing (visual, ultrasound, magnetic and penetration tests)
  • dimensional inspection, including 3D-scanning and 3D-touch measurement
  • inspection documents (certificates) according to EN 10204:
  • chemical analysis
  • hardness
  • tensile strength, yield strength and ductility
  • impact strength
  • metallographic structure of material
  • mat. certificates of inspecting companies are available via special link

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