Method of drawing light metals and alloys at very high speeds

Details Method of drawing light metals and alloys at very high speeds Method of drawing light metals and alloys at very high speeds

1977-01-07

1978-01-17

Combs, E. M.

Metal deforming

With cleaning, descaling, or lubrication of work or product

Lubricating

106 47R, 252 25, B21C 902

Patent

active

040685136

ABSTRACT:
The invention concerns the conversion of light alloys.
By lubricating the die with a vitreous substance based on alkaline phosphate and alkaline tetraborate, alloys based on aluminium or magnesium can be hot-drawn at speeds of at least 100 meters per minute and up to 300 meters per minute.
The invention can be applied to drawing aluminium alloys, particularly those of series 2,000, 5,000 and 7,000.

REFERENCES:
patent: 3481749 (1969-12-01), Godron

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