%PDF-1.3 1 0 obj << /Type /Catalog /Outlines 2 0 R /Pages 3 0 R >> endobj 2 0 obj << /Type /Outlines /Count 0 >> endobj 3 0 obj << /Type /Pages /Kids [6 0 R ] /Count 1 /Resources << /ProcSet 4 0 R /Font << /F1 8 0 R /F2 9 0 R >> >> /MediaBox [0.000 0.000 612.000 792.000] >> endobj 4 0 obj [/PDF /Text ] endobj 5 0 obj << /Creator (DOMPDF) /CreationDate (D:20211130183935+00'00') /ModDate (D:20211130183935+00'00') /Title (Report 11-2021) >> endobj 6 0 obj << /Type /Page /Parent 3 0 R /Contents 7 0 R >> endobj 7 0 obj << /Length 2513 >> stream 0.882 0.000 0.176 rg BT 34.016 732.493 Td /F1 18.0 Tf [(Inorganically bonded core sand is separated and conveyed by )] TJ ET BT 34.016 715.705 Td /F1 18.0 Tf [(JOEST-technology)] TJ ET BT 34.016 691.416 Td /F2 9.0 Tf [(Categories: )] TJ ET 0.200 0.200 0.200 rg BT 82.535 691.416 Td /F2 9.0 Tf [( JST,Foundry & Steel Industry )] TJ ET 0.000 0.000 0.000 rg BT 34.016 674.627 Td /F2 9.0 Tf [(Published December 05,2019)] TJ ET 0.200 0.200 0.200 rg BT 34.016 626.338 Td /F2 9.0 Tf [(Reclaimed sand attrition units and sand transportation troughs for leading German automobile manufacturer)] TJ ET BT 34.016 600.550 Td /F2 9.0 Tf [(JOEST receives an order subdivided into multiple stages from a leading German automobile manufacturer, the first of which includes )] TJ ET BT 34.016 583.761 Td /F2 9.0 Tf [(five modularly designed reclaimed sand attrition islands for inorganically bonded core sand from an aluminium foundry.)] TJ ET BT 34.016 557.972 Td /F2 9.0 Tf [(In order to manufacture complex cast iron parts for automobile engines and parts for electric cars from aluminium, a commonly applied )] TJ ET BT 34.016 541.183 Td /F2 9.0 Tf [(process is the gravity die casting process. In the process, the outer contours of the cast iron part is manufactures in two parts as a )] TJ ET BT 34.016 524.395 Td /F2 9.0 Tf [(permanent mould. The interior of the mould consists of chemically bonded core sand. When the cast iron part solidifies, the core sand )] TJ ET BT 34.016 507.606 Td /F2 9.0 Tf [(residue is extracted using powerful mechanical oscillations.)] TJ ET BT 34.016 481.817 Td /F2 9.0 Tf [(The accumulated core sand is collected to so called island points using sand conveying troughs, which are located at multiple )] TJ ET BT 34.016 465.028 Td /F2 9.0 Tf [(extraction points in the ceiling. The sand is then grinded be the reclaimed sand attrition units. The sand that is now broken down into )] TJ ET BT 34.016 448.240 Td /F2 9.0 Tf [(single grains is now conveyed through a pipeline to a collection silo by pneumatic thrust conveyor using pressured air.)] TJ ET BT 34.016 422.451 Td /F2 9.0 Tf [(The delivery of the first stage contains five reclaimed sand attrition units in total and is scheduled for the end of 2019. JOEST says )] TJ ET BT 34.016 405.662 Td /F2 9.0 Tf [(thank you for the trust and is looking forward to a successful implementation.)] TJ ET BT 34.016 358.873 Td /F2 9.0 Tf [(Tags: JST Group,Core Sand Seperation,Foundry Sand,JOEST Vibration Technology)] TJ ET endstream endobj 8 0 obj << /Type /Font /Subtype /Type1 /Name /F1 /BaseFont /Helvetica-Bold /Encoding /WinAnsiEncoding >> endobj 9 0 obj << /Type /Font /Subtype /Type1 /Name /F2 /BaseFont /Helvetica /Encoding /WinAnsiEncoding >> endobj xref 0 10 0000000000 65535 f 0000000008 00000 n 0000000073 00000 n 0000000119 00000 n 0000000283 00000 n 0000000312 00000 n 0000000450 00000 n 0000000513 00000 n 0000003078 00000 n 0000003190 00000 n trailer << /Size 10 /Root 1 0 R /Info 5 0 R >> startxref 3297 %%EOF December 12, 2019 Inorganically bonded core sand is separated and conveyed by JOEST-technology » JÖST GmbH + Co. KG

Inorganically bonded core sand is separated and conveyed by JOEST-technology

Categories: Published 12/5/2019

Reclaimed sand attrition units and sand transportation troughs for leading German automobile manufacturer

JOEST receives an order subdivided into multiple stages from a leading German automobile manufacturer, the first of which includes five modularly designed reclaimed sand attrition islands for inorganically bonded core sand from an aluminium foundry.

In order to manufacture complex cast iron parts for automobile engines and parts for electric cars from aluminium, a commonly applied process is the gravity die casting process. In the process, the outer contours of the cast iron part is manufactures in two parts as a permanent mould. The interior of the mould consists of chemically bonded core sand. When the cast iron part solidifies, the core sand residue is extracted using powerful mechanical oscillations.

The accumulated core sand is collected to so called “island points” using sand conveying troughs, which are located at multiple extraction points in the ceiling. The sand is then grinded be the reclaimed sand attrition units. The sand that is now broken down into single grains is now conveyed through a pipeline to a collection silo by pneumatic thrust conveyor using pressured air.

The delivery of the first stage contains five reclaimed sand attrition units in total and is scheduled for the end of 2019. JOEST says thank you for the trust and is looking forward to a successful implementation.



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