FIELD: metallurgy.
SUBSTANCE: invention concerns powder metallurgy, particularly it relates to manufacturing of powdery sealing rings for cylinders of diesel engines on the basis of copper. Into powdery copper it is introduced 0.4-0.6 wt % of sulphate zinc and 1.5-3.0 wt % of industrial oil and mixed. Sealing rings are formed at 3.5-4 t/cm2 and are sintered in inert atmosphere at 850-980°C during 1-2 hours.
EFFECT: method provides for upgraded quality of products and increased yield.
1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF RECEIVING OF ANTIFRICTION POWDER MATERIAL ON BASIS OF COPPER | 2008 |
|
RU2378404C2 |
| COMPOSITION OF ANTI-FRICTION POWDER MATERIALS ON BASE OF COPPER | 2008 |
|
RU2396144C2 |
| METHOD OF FABRICATING SEAL RINGS | 2012 |
|
RU2507022C2 |
| ANTIFRICTION MATERIAL AND METHOD OF ITS PRODUCTION | 2011 |
|
RU2470082C1 |
| WORN-IN SEAL MATERIAL OF TURBOMACHINE | 2018 |
|
RU2696985C1 |
| METHOD FOR MANUFACTURING ELEMENT OF RUNNING-IN SEAL OF TURBOMACHINE | 2020 |
|
RU2754943C1 |
| METHOD OF MAKING COLLECTOR PLATES | 2019 |
|
RU2710758C1 |
| METHOD TO PRODUCE SINTERED IRON-BASED ANTIFRICTION PARTS | 2008 |
|
RU2388578C2 |
| ANTIFRICTION COPPER-BASE POWDER MATERIALS PRODUCTION METHOD | 2005 |
|
RU2285582C1 |
| METHOD FOR OBTAINING POWDER MATERIAL ON BASIS OF COPPER | 2011 |
|
RU2460816C1 |
