Solid rocket engine semi-dumbbell annular groove grain forming die and forming method

The invention provides a solid rocket engine semi-dumbbell annular groove grain forming die and method, and belongs to the technical field of solid rocket engines. By means of the method, rapid forming of the special semi-dumbbell annular groove grain structure can be achieved, and the application r...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN YUFU, GUO FENGNAN, SUN DECHUAN, NIU FUKAI, XIA GUANGQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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