הידעת? מהם "השערות" שיש בצמיגים?

מכירים את "השערות" שיש בצמיג חדש? חשבתם פעם מה המטרה שלהן? במידה וכן אז הגיע הזמן להבהיר את העניין: אין להן שום מטרה למרות שזה מראה שהצמיג ממש חדש. אז אם אין להם מטרה למה עושים אותן אתם שואלים?

זהו תוצר לוואי של תהליך היצור. את הצמיגים מכינים באמצעות תבניות אליהן יוצקים את הגומי. כדי שהתבנית תתמלא במלואה בחומר (בגומי נוזלי) דוחפים את החומר בלחץ אוויר שיגיע לכל המקומות בתבנית, האוויר צריך לצאת החוצה בצורה כלשהי אז עשו בתבנית חורים קטנים דרכם יכול האוויר לצאת. כשהוא יוצא הוא "מושך" איתו מעט חומר נוזלי שמתייבש ויוצר את השערות האלו...

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#CONSTRUCTION #DIESELPOWER