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Gaya Inersia

Gaya Inersia. Gaya inersia merupakan gaya kelembaman pada suatu elemen mesin yang sangat tergantung pada besarnya massa . Semakin besar massa komponen mesin , maka semakin besar pula gaya inersianya. Contoh.

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Gaya Inersia

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  1. Gaya Inersia Gaya inersiamerupakangayakelembamanpadasuatuelemenmesin yang sangattergantungpadabesarnyamassa. Semakinbesarmassakomponenmesin, makasemakinbesar pula gayainersianya

  2. Contoh Mekanisme Engkol peluncur , Gambar 1a, diketahui batang 2 berputarmelawanjarumjam sebesar10 radian/detik. Dan θ2= 60°. Massa batang 2 adalah5 kg ; massabatang 3 = 10 kg; danbatang 4 = 4 kg . Momeninersiadaribatang 2 = 0,345 kg-m2; momeninersiadari Batang 3 = 0,454 kg-m2; Momeninersiadaribatang 4 = 0,065 kg-m2. Data-data ukuranbatangadalah O2A = 20cm, AB = 60cm, O2G2 = 14cm, AG3 = 25cm. Tentukanbesarnyagaya-gayaresultandangaya-gayainersia padamasing-masingbatang, akibatputaranbatang 2 yang konstan tersebut.

  3. Jawab 1. Gambar mekanisme dilukis dengan skala 1 : 10. lihat gambar 1

  4. 2. Analisakecepatan. 1).VA = ω2. O2A = 10 rad/detik´ 20 cm = 200 cm/detik= 2 m/detik, ^ O2A 2). VB = VA + VBA ; VB : horisontalVBA: ^ AB 3). Melukispoligonkecepatan, gambar 1b, skalakecepatan1 cm = 1m/detik didapat: VB = 2,05 m/detik = 205 cm/detik. VBA= 1,05 m/detik = 105 cm/detik

  5. 3. AnalisaPercepatan

  6. 4. Menentukanpercepatanpadatiap-tiaptitikberatbatang

  7. 5. Membuatpoligontitikberat

  8. 6. Menentukangayainersia

  9. Proseslengkapnya

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