תהליכי ניקוי והכנת פני שטח. מטרות תהליכי ניקוי והכנת פני שטח ניקוי כהכנה לצביעה ניקוי כהכנה לציפוי.

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Presentation transcript:

תהליכי ניקוי והכנת פני שטח

מטרות תהליכי ניקוי והכנת פני שטח ניקוי כהכנה לצביעה ניקוי כהכנה לציפוי

Cleaning Process Selection In selecting a metal cleaning process, many factors must be considered, including: · The nature of the soil to be removed · The substrate to be cleaned (i.e., ferrous, nonferrous, etc.) · The importance of the condition of the surface to the end use of the part · The degree of cleanliness required · The existing capabilities of available facilities · The environmental impact of the cleaning process · Cost considerations · The total surface area to be cleaned · Effects of previous processes · Rust inhibition requirements · Materials handling factors · Surface requirements of subsequent operations, such as phosphate conversion coating, painting, or plating. בחירת תהליך הניקוי

שלושת השלבים המסת הזיהום שטיפת פני השטח ייבוש

שיטות ניקוי - חומרים ניקוי ע"י ממיס ניקוי ע"י סבונים –דטרגנטים ניקוי מכני ניקוי ע"י חומצות

שיטות ניקוי - מכונות ציוד ניקוי אולטראסוני בטבילה ציוד ניקוי בהתזה, באוויר ובנוזל ציוד ניקוי בטבילה ותנועה מכנית. ניקוי באדים

סוגי זיהומים עיקריים Types of soil may be broadly classified into six groups: pigmented drawing compounds, unpigmented oil and grease, chips and cutting fluids, polishing and buffing compounds, rust and scale, and miscellaneous surface contaminants, such as lapping compounds and residue from magnetic particle inspection. These six types of soil are dealt with separately in the order listed

Table 1 Comparative attributes of selected cleaning processes Rated on a scale where 10 = best and 1 = worst

השפעות סביבתיות ממיסים אורגניים – אוזון ואפקט החממה סבונים חומצות