Process for the production of precision castings

Details Process for the production of precision castings Process for the production of precision castings

1984-06-04

1986-11-18

Godici, Nicholas P.

Metal founding

Process

Shaping a forming surface

164 14, 164 44, 164 61, 164519, B22D 900

Patent

active

046230149

ABSTRACT:
Process for the production of precision castings with well-defined reproduction of detail and a great accuracy of measurement, by which the pattern to be reproduced is equipped with a drainage apparatus, having at least one duct extending outside the molding box, and the molding material containing phosphate as the bonding agent is poured in the molding box and solidified. After the pattern is removed from the solidified mold, by the introduction of compressed gas, the water of the solidified material is pressed out, and after calcining at a temperature of at least 250.degree. C., the mold is connected to a vacuum line and evacuated. The molten metal mass is then poured into the mold while the vacuum is maintained and solidified.

REFERENCES:
patent: 3825058 (1974-07-01), Miura et al.
patent: 3923525 (1975-12-01), Toeniskoetter et al.

Affiliated with

Also associated with

Rating

Process for the production of precision castings does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the production of precision castings, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of precision castings will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1612688