3 A Identify Each Of The Seals As Shown In Figure Q3 A And Describe Typical Working Conditions Such As Temperature 1 (51.5 KiB) Viewed 25 times
3. (a) Identify each of the seals as shown in Figure Q3 (a) and describe typical working conditions such as temperature, pressure and speed, in which each identified seal is suited. [6 marks] i) ii) iii) Pump Housing w Posting Shu Figure Q3 (a) (b) Figure Q3 (b) shows a planetary gear train. Tooth numbers for the gear train are N2 = 14, N3 = 18, and N4 = 14. The input shaft a that coupled to the gear 2 rotates clockwise at 400 rev/min and output shaft is coupled to the arm 6. Figure Q3 (6) i) Determine the tooth number of the internal gear 5. [2 marks]
ii) Determine the speed and rotation direction of output shaft b if the gear 5 is fixed [2 marks] iii) Calculate the centre-to-centre distance between gears 2 and 4 if the module of gears is 3 mm. [2 marks]
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