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calculo de un tornillo sin fin corona
calculo de un tornillo sin fin corona
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Jun 04, 2015
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calculo de un tornillo sin fin corona
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Language:
en
Added:
Jun 04, 2015
Slides:
6 pages
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Slide 1
CALCULO TORNILLO SIN FIN CORONA
DATOS:
Eje 90° TORNILLO SIN FIN
M=2
Zt=2
Zr=50
Angulo= 4°
PASO NORMAL DEL TORNILLO MODULO AXIAL
Pnt=π . Mnt Mdt=Mn/cosα =
2
??????��4
=2
Pnt=π . 2 = 6.28
MODULO NORMAL MODULO CIRCUNFERENCIAL
Mnt= Mnt . Senβ Mct= Mat . Tanβ
Mnt= 2 Sen(4)= 0.13 Mct= 2 Tan(2)= 0.069
PASO CIRCUNFERENCIAL DIÁMETRO PRIMITIVO
Pct=π .Mct Dpt=
??????� .??????��
3.14 .�??????� ??????
=
(2)6.28
3.14 .�??????� (4)
Pct= π . 0.069= 0.216 Dpt=57.34
DIÁMETRO EXTERIOR DIÁMETRO INTERIOR
Det= Dpt+2Mn Dit=Det-2Δ??????
Det= 57.34 + 2(2)= 61.34 Dit= 61.34 – 2(2.16 x 2 )= 52.7
GRUESO DEL FILETE LONGITUD MINIMA DE LA ROSCA
????????????=
??????��
2
=
6.28
2
=3.14 Lrt= Pnt (4.5 + 50/50)
PASO AXIAL DE LA HELICE
HT=Zt . Pn
HT= 2. 6.28 =12.56
Slide 2
Corona
PASO NORMAL DE LA CORONA MODULO AXIAL
Pnt=π . Mnt Mdt=Mn/cosα =
2
??????��4
=2
Pnt=π . 2 = 6.28
MODULO NORMAL MODULO CIRCUNFERENCIAL
Mnt= Mnt . Senβ Mct= Mat . Tanβ
Mnt= 2 Sen(4)= 0.13 Mct= 2 Tan(2)= 0.069
PASO CIRCUNFERENCIAL DIÁMETRO PRIMITIVO
Pct=π .Mct Dpt= 2.50
Pct= π . 0.069= 0.216 Dpt=100
DIÁMETRO EXTERIOR DIÁMETRO INTERIOR
Det= Dpt+2Mn Dit=Det-2Δ??????
Det= 100 + 2(2)= 104 Dit= 104 – 2(2.16 x 2 )= 95.36
Slide 3
CALCULO TORNILLO SIN FIN CORONA
DATOS:
Eje 90° TORNILLO SIN FIN
M=1.75
Zt=2
Zr=45
Angulo= 5°
PASO NORMAL DEL TORNILLO MODULO AXIAL
Pnt=π . Mnt Mdt=Mn/cosα =
1.75
??????��5
=1.75
Pnt=π . 1.75 = 5.49
MODULO NORMAL MODULO CIRCUNFERENCIAL
Mnt= Mnt . Senβ Mct= Mat . Tanβ
Mnt= 1.75 Sen(5)= 0.15 Mct= 1.75 Tan(5)= 0.1531
PASO CIRCUNFERENCIAL DIÁMETRO PRIMITIVO
Pct=π .Mct Dpt=
??????� .??????��
3.14 .�??????� ??????
=
(2)(5.49)
3.14 .�??????� (5)
Pct= π . 0.1531= 0.48 Dpt=40.12
DIÁMETRO EXTERIOR DIÁMETRO INTERIOR
Det= Dpt+2Mn Dit=Det-2Δ??????
Det= 40.12 + 2(1.75)= 43.62 Dit= 43.62 – 2(2.16 x 1.75 )= 36.06
GRUESO DEL FILETE LONGITUD MINIMA DE LA ROSCA
????????????=
??????��
2
=
6.28
2
=3.14 Lrt= Pnt (4.5 + 50/50)
PASO AXIAL DE LA HELICE
HT=Zt . Pn
HT= 2. 5.49 =10.98
Slide 4
Corona
PASO NORMAL DE LA CORONA MODULO AXIAL
Pnt=π . Mnt Mdt=Mn/cosα =
1.75
??????��5
=1.75
Pnt=π . 1.75 = 5.49
MODULO NORMAL MODULO CIRCUNFERENCIAL
Mnt= Mnt . Senβ Mct= Mat . Tanβ
Mnt= 1.75 Sen(5)= 0.15 Mct= 1.75 Tan(5)= 0.1531
PASO CIRCUNFERENCIAL DIÁMETRO PRIMITIVO
Pct=π .Mct Dpt= 1.75 ?????? 45
Pct= π . 0.1531= 0.48 Dpt=78.75
DIÁMETRO EXTERIOR DIÁMETRO INTERIOR
Det= Dpt+2Mn Dit=Det-2Δ??????
Det= 78.75 + 2(1.75)= 82.25 Dit= 82.25 – 2(2.16 x 1.75 )= 74.69
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