Calculo De Cadena.docx

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CALCULO DE CADENA: Datos: 𝑁 = 16𝐻𝑝 𝑛1 = 300 [π‘Ÿπ‘π‘š] 𝑛2 = 875 [π‘Ÿπ‘π‘š] 𝑧1 = 19 [𝑑𝑖𝑒𝑛𝑑𝑒𝑠] 𝐢𝑑 = 1200 [π‘šπ‘š] Factor de relaciΓ³n: 𝑖=

𝑛1 875 = = 2,92 𝑛2 300

Numero de dientes de la Rueda: 𝑖=

𝑧1 = 𝑧2 = 𝑖 βˆ— 𝑧1 = 2,92 βˆ— 19 = 55,1 [𝑑𝑖𝑒𝑛𝑑𝑒𝑠] 𝑧2

Coeficiente π‘²πŸ :

𝐾1 =

19 19 = =1 𝑧1 19

Coeficiente π‘²πŸ : 𝐾2 = 1

Coeficiente π‘²πŸ‘ : Numero de eslabones aproximado:

π‘›π‘’π‘šπ‘’π‘Ÿπ‘œ π‘’π‘ π‘™π‘Žπ‘π‘œπ‘›π‘’π‘  = 𝐾3 = 0,95

3000 25,4

= 118 [π‘’π‘ π‘™π‘Žπ‘π‘œπ‘›π‘’π‘ ]

Coeficiente π‘²πŸ’ : 𝐾4 = 1 (Compresor de aire)

Coeficiente π‘²πŸ“ : Vida ΓΊtil de la maquina: 20000 [Horas] 𝐾5 = 1,4

Potencia corregida: 𝑃𝑐 = 𝐾1 βˆ— 𝐾2 βˆ— 𝐾3 βˆ— 𝐾4 βˆ— 𝐾5 βˆ— 𝑁 𝑃𝑐 = 1 βˆ— 1 βˆ— 0,95 βˆ— 1 βˆ— 1,4 βˆ— 16 = 21,28 [πΎπ‘Š] 𝑃𝑐 = 21,28 [πΎπ‘Š] 𝑛 = 300 [π‘Ÿπ‘π‘š] Tipo de cadena por norma ISO 606(Serie Europea):

𝟐𝟎 βˆ’ 𝑩

Para cadena:

20 βˆ’ 𝐡

Paso = 31,75[mm]

DiΓ‘metro del PiΓ±Γ³n: 𝑑=

π‘ƒπ‘Žπ‘ π‘œ 31,75 πœ‹ = πœ‹ = 192,9[π‘šπ‘š] sin( 𝑧 ) sin( 19) 1

Radio del PiΓ±Γ³n: π‘Ÿ=

𝑑 192,9 = = 96,45[π‘šπ‘š] 2 2

DiÑmetro de la Rueda: 𝐷=

π‘ƒπ‘Žπ‘ π‘œ 31,75 πœ‹ = πœ‹ = 557,16[π‘šπ‘š] sin( 𝑧 ) sin( ) 55 2

Radio de la Rueda: π‘Ÿ=

𝐷 557,16 = = 278,58[π‘šπ‘š] 2 2

Longitud de la Cadena: 𝐿 𝐢 𝑍1 + 𝑍2 =2βˆ—( )+ + 𝑃 𝑃 2 𝐿 1200 19 + 55,1 =2βˆ—( )+ + 𝑃 31,75 2

(𝑍1 βˆ’ 𝑍2 )2 2βˆ—πœ‹ βˆ—π‘ƒ 𝐢 (19 βˆ’ 55,1)2 βˆ— 31,75 2βˆ—πœ‹ 1200

𝐿 = 118,05[π‘’π‘ π‘™π‘Žπ‘π‘œπ‘›π‘’π‘ ] 𝑃

𝑳 = 𝑷 βˆ— πŸπŸπŸ–, πŸ“ = πŸ‘πŸ•πŸ’πŸ–, 𝟎𝟐 [π’Žπ’Ž] β†’ π‘³π’π’π’ˆπ’Šπ’•π’–π’… 𝒅𝒆 𝒍𝒂 π‘ͺ𝒂𝒅𝒆𝒏𝒂

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