การตรวจสอบเกลียวเพลาปั๊ม: ตรวจสอบความถูกต้อง สภาพ และความพอดีก่อนการประกอบ
Pump shaft thread inspection combines thread identification, visual examination, appropriate gauging and a documented acceptance decision. Confirm the drawing, thread designation, handedness and mating part before attempting assembly. Record damaged crests, root indications, corrosion, burrs and incomplete engagement without forcing a nut or coupling onto the shaft. A nut that starts by hand does not establish that the whole thread is correct, and a thread gauge result does not automatically approve every other shaft feature. Use the actual component requirements to decide...
