After the pouring, a knock-out operation is performed to split the metallic assembly (casting + feeding system + feeders) from the surrounding moulding sand.

Once the piece is free of extra material, a shot blasting operation is performed, followed by several cutting and fettling stages. Our fettling department is well equipped with:

• 2 portable cutters Ø 508
• 1 cutterØ 608
• 1 cutter Ø 508
• 1 saw
• 1 face wheel Ø 600
• 1 tank L 2500 L 150
• 1 tank L 2000 L 150
• 1 shot blasting machine Ø 2000 h 1800
• 2 fettling drums
• 1 sandblaster

SRI has its own heat treatment facility which allows full control of the manufacturing and development of coppers precipitation hardening with the advantage to improve the reactivity and delivery times:

1 Thermidor mobile hearth drying, type FSM 7 713 (1200° C electric heaters)
loading : width 700 height 700 length

for quenching and tempering air, water and oil