Sand Casting

Equipment

Impro is a globally recognized manufacturer of high-value-added and complex sand castings for diverse end markets. We are equipped with advanced process technologies and state-of-the-art equipment throughout the manufacturing operations.

Full-Service Sand Casting

Impro offers one-stop solutions for all your sand casting needs. We provide a full suite of state-of-the-art process technology and equipment throughout our multiple facilities.
Listed below are Impro’s sand casting equipment and process capabilities.

Core Making

Hot-box core making

  • used for medium- and high-volume production
  • Machines: KC800, KC600, and KC400
  • Sand injection pressure: 0.4–0.6 MPa
  • Max. sand core weight: 40 kg

Cold-box core making

  • used for medium- and high-volume production
  • Machines: 80L Cold-Box Core Making Machine and 450L Cold-Box Core Making Machine
  • Max. sand injection pressure: 0.6 MPa
  • Max. sand core weight: 500 kg
  • Max. size: 1,600 × 1,600 mm

Molding

Resin-sand process

-We own three resin-sand production lines as well as manual molding machines

IMF Automatic Molding Line: for large parts or small-volume production

  • Automatic molding system (molding, coating and drying system
  • 4 molds/hour
  • Flask size: 4,200 × 3,200 × 1,000/1,000 mm
  • Product weight: 1~8 T

IMF Automatic Molding Line: for medium-sized parts

  • 4 molds/hour
  • Flask size: 1,600 × 1,200 × 1200 mm
  • Product weight: 50–500 kg

IMF Automatic Molding Line: for small parts

  • 10 molds/hour
  • Flask size: 1,200×800×500/500 mm
  • Product weight: 1–50 kg

Green sand process

-We own two FBO Automatic Production lines and a Z149 production line

FBO Automatic Molding Line

  • 80-120 molds/hour
  • Flask size: 610×508×250/250 mm
  • Product weight: 0.5–20 kg

Z149 Molding Line

  • 60 molds/hour
  • Flask size: 900×700×300/300 mm
  • Product weight: 1–100 kg

Pouring

  • Melting furnace volume: 1–6 tons
  • Normal ductile iron: GGG35~80
  • Normal gray iron: GG15~35
  • Heat-resistant ductile iron: SIMO D-5S
  • High-strength and -toughness ductile iron: ADI
  • Compacted graphite cast iron: CGI 400; CGI 450 (pearlite) and 350 (ferrite)

Heat Treatment

Relief annealing

  • Max. temperature: 700°C
  • Size: 7,200 × 2,500 × 1,700 mm
  • Max. load: 35,000 kg

Impro offers a full range of sand casting solutions. If you would like to know more about our technology and sand casting process capabilities, please contact us today.

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