Calcul Reductor Winch

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    WINCH FORE

    WIRE CAPACITY CALULATION OF WINCHDRUM Date: 06/06/14

    Project/yardno:

    Wire type:

    INPUT:

    Wire diameter (dw) = 40 mm Type:Drum diameter (D) = 406 mm 10.2 x dw

    Drum length (L) = 500 mm 12.5 x dw

    Extra space on drum (for stre = 100 mm 2.5 x dw

    Pull 1st layer = 50.0 Ton (1) Ton (2)

    Speed 1st layer = 10.0 m/min (1) m/min (2)

    Hold.force 2nd layer = Ton rpm. speed 1: 7.14

    Mom necesar toba= 111500 Nm

    OUTPUT:

    Layer Layer Store- ength Shield Pull Speed Pull Speed Holding Brake holding torq

    diam. length n drm diameter (1) (1) (2) (2) force

    wire Total Minimal

    mm m m mm ton m/min ton m/min ton N*m

    First 446 16 16 686 50.0 10.0 0.0

    Second 515 19 35 755 43.3 11.6 0.0Third 585 21 56 825 38.1 13.1 0.0

    Fourth 654 24 79 894 34.1 14.7 0.0

    Fifth 723 26 106 963 30.8 16.2 0.0

    Sixth 792 29 134 1032 28.1 17.8 0.0

    Seventh 862 31 165 1102 25.9 19.3 0.0

    Eighth 931 34 199 1171 24.0 20.9 0.0

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    i= 151.22

    h= 0.86

    Q= 35 l/min 11.375 KW

    Dp= 195.0 bar

    Vg1= 19.6 cm3

    hv= 0.95 n1= 1696 rpm N1ap= 11.22 rpm

    hmh= 0.97 M1intrare= 59 Nm M1ap= 7677 Nm 15.72 m/min0.92 18.2 m/min

    P= 10.49 Kw 20.6 m/min

    23.0 m/min

    25.5 m/min

    27.9 m/min

    30 m/min

    33 m/min

    With brake FL350

    Mom fr. 89 Nm 89

    V1

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    e

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    3.4 tons 34428 N

    3.0 tons

    2.6 tons

    2.3 tons

    2.1 tons

    1.9 tons1.8 tons

    1.6 tons

    F1

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    REDUCTION GEAR CALCULATION dwg.

    1. Basic input parameters Pinion Wheel Pinion Wheel P

    1.1 Transferred power P=

    1.2 Rotational speed n2=n1/u n1(2)= 1696.4286 298.44577 298.44577 57.861934 57.

    1.3 Torsional moment M1(2)=30000 P/(pn1(2)) M1(2)= 59.029728 335.5374 335.5374 1730.6666 173

    1.4 Gear ratio (necessary) uneedful= 6.3759514 6.375951 5.3132928 5.313293 4

    2. Options of material, loading conditions,operational and production parameters

    Material Type

    Normalized low carbon steels/ cast steels Wrought normalized low carbon steels

    Cast steels

    Cast iron materials Black malleable cast iron (perlitic structure)

    Nodular cast iron (perlitic, bainitic, ferritic

    Grey cast iron

    Through-hardened wrought steels Carbon steels, alloy steels

    Through-hardened cast steels Carbon steels, alloy steels

    Case-hardened wrought steels

    Flame or induction hardened wrought or cast steels

    Nitrided wrought steels/ nitriding steels/ through-hardening steels, nitrided Nitriding steels

    Through hardening steels

    Wrought steels, nitrocarburized Through hardening steels

    2.1 Material of the pinion

    2.2 Treatment Pinion

    2.3 Material of the wheel

    2.4 Treatment Wheel

    2.5 Tooth hardness -Side 52HRC 48HRC 52HRC 48HRC 5

    2.6 Tooth hardness -Core HB= 240 220 260 240

    2.7 Accuracy grade - ISO 1328

    2.8 Coeffficient of one-off overloading Kas=

    2.9 Nominal number of hours sevice hL=

    2.10 Factor of safety from pittings SH=

    2.11 Factor of safety from tooth breakage SF=

    2.12 Application factor KA KA=

    2.13 Load distribution factor Kg Kg=

    3. Parameters of the cutting tool and tooth profile

    St

    GGG (perl., ba

    GG

    V

    NV (nitr.

    V (cast)

    Step 1 Step 2

    10.49 10.4866067

    St (cast)

    GTS (per

    Abbreviati

    1.4

    Eh

    IF

    NT (nitr.)

    1.2 1.2

    NV (nitroca

    1000 1000

    7 7

    1 1

    1.1 1.1

    1 1

    1.4

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    3.1 Basic rack tooth profiles for involute teeth of cylindrical gears according =>

    3.2 Pressure angle a=

    3.3 Addendum of tool ha0*= 1.25 1.25 1.25 1.25

    3.4 Dedendum of tool hf0*= 1 1 1 1

    3.5 Fillet radius of tool ra0*= 0.38 0.38 0.38 0.38

    3.6 Root fillet radius of tool rf0*= 0.38 0.38 0.38 0.38

    3.7 Chamfer of root cha*= 0 0 0 0

    3.8 Chamfer of root chb*= 0 0 0 0

    3.9 Protuberance hight d0*= 0 0 0 0

    3.10 Unit head clearance anp*= 0 0 0 03.11 Addendum-Coefficient of the height of the tooth head ha*= 1 1 1 1

    3.12 Unit head clearance c*= 0.25 0.25 0.25 0.25

    4. Basic dimensions of gearing

    4.1 Number of teeth Pinion z1= 19 19

    4.2 Number of teeth Wheel z2= znec=121,1 108 znec=101 98 zn

    4.3 Actual gear ratio u=z2/z1 u=

    4.4 Module in normal section mn=

    4.5 Addendum of basic rack of cylindrical gear haP=m ha* haP= 3 3.75 5 5

    4.6 Dedendum of basic rack of cylindrical gear hfP=m (ha*+c*) hfP= 3.75 3.75 6.25 6.25

    4.7 Normal pressure angle of the basic rack for cylindrical gear aPn= 20 20 20 20

    4.8 Pressure angle in normal section an=4.9 Helix angle b=

    4.10 Module in transverse section mt=mn/cos b mt=

    4.11 Circular pitch p=p mn p=

    4.9 Transverse circular pitch pt=p mt pt=

    4.10 Base circular pitch ptb=pt cosat ptb=

    4.11 Reference center distance a=[(z1+z2)/2]*[mn/cosb] a=

    4.12 Production center distance av=

    4.13 Working center distance aw=4.14 Pressure angle in transverse section at=arctg[tgan/cosb] at=

    4.15 invat=tgat-at invat=

    20 20

    5

    9.424777961 15.70796327

    9.804591196

    0

    20 20

    5.684210526 5.157894737

    3

    16

    20.73857148 20

    3.120898308 5

    ISO/R 53-1974 ISO/R 53-1974

    198.177 292.500

    199.000 292.500

    15.70796327

    9.16931114 14.76065717

    0.016681675 0.014904384

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    4.16 Pressure angle at the pitch cylinder anw=

    4.17 Transverse pressure angle at the pitch cylinder atw=arccos[(a/aw)*cosat] atw=

    4.18 invatw=tgatw-atw invatw=

    4.19 Base helix angle bb=arcsin(sinbcosan) bb=

    4.20 bw=arctg[dw/d tgb] bw= 16.063022 16.063022 0 0

    4.21 Addendum modification coefficient xS=[(invatw-invat)*(z2+z1)]/[2tgan] xS=

    4.22 Sum of addendum modification coefficient x2=xS-x1 x1(2)= 0.2782384 0 0.25 -0.25

    4.23 Pitch circle diameter d1(2)=mtz1(2) d1(2)= 59.29707 337.057 95 490

    4.24 Work pitch diameter dw1(2)=2awz1(2)/[z2+z1] dw1(2)= 59.543307 338.45669 95 4904.25 Base circle diameter db1(2)=d1(2)cosat db1(2)= 55.454965 315.2177 89.270799 460.4493

    4.26 Root circle diameter of gear wheel df1(2)=d1(2)-2mn(ha*+c*-x1(2)) df1(2)= 53.4665 329.557 85 475

    4.27 Tooth depth without shortening href=[2ha*+c*]mn href=

    4.28 Tooth depth shortened hsh=aw-0,5(df1+df2)-mnc* hsh= 6.7382424 6.7382424 11.25 11.25

    4.29 Tooth shortening Dh=h-hsh Dh= 0.0117576 0.0117576 0 0

    4.30 Tip diameter of gear wheel (without shortening of tooth) da ref1(2)=df1(2)+2href da ref1(2)= 66.966498 343.05702 107.5 497.5

    4.31 Tip diameter of gear wheel (with shortening of tooth) da sh1(2)=df1(2)+2hsh da sh1(2)= 66.942983 343.0335 107.5 497.5

    4.32 Tip diameter of gear wheel da1(2)= 66.94298 343.0335 107.5 497.5

    4.33 Addendum ha1(2)=(da1(2)-d1(2))/2 ha= 3.8229575 2.9882424 6.25 3.75

    4.34 Dedendum hf1(2)=(d1(2)-df1(2))/2 hf= 2.9152849 3.75 5 7.5

    4.35 Width of Pinion/Wheel b1(2)= 56 52 64 60

    4.36 Working face width bw=min(b1;b2) bw=

    4.37 The ratio of the pinion width to its diameter yd=bw/d1(2) yd= 0.8769405 0.1542766 0.6315789 0.1224494.38 Face width ratio ya=bw/aw ya=

    5. Chek dimensions of gearing

    5.1 Pressure angle ax1(2)from the measuring point of thelength over teeth (on the cilinder of diameter dx1(2)=d1(2)+2x1(2)mn)

    cosax1(2)=z1(2)cosat/[z1(2)+2x1(2)cosb] ax1(2)= 24.550232 20.738571 23.709215 19.176435.2 Theoretical number of measured teeth

    Nc1(2)=(tgax1(2)/cos2bb-2x1(2)tgan/z1(2)-invat) z1(2)/p Nc1(2)= 2.7958935 13.379207 2.5079296 10.44163

    5.3 Number of measured teeth N1(2)=INTEGER (Nc1(2)+0,5) N1(2)= 3 14 3 11

    5.4 Base tangent length Wn1(2)=mn[p(N1(2)-0,5)+2 x1(2)tgan+z1(2)invat] cosan Wn1(2)= 23.605476 124.64023 39.08722 160.99455.5 Minimum face width needful for measuring bw nec=Wn1(2)sinbb bw nec= 6.1141581 32.283614 0 0

    6. Supplement parameters of gearing

    6.1 Virtual number of teeth of a helical gear zn1 2 =z1 2/[cos2bbcosb] zn1(2)= 21.187099 120.43193 19 98

    6.2 Virtual reference diameter dn1 2 =d1 2/ cos2

    bb dn1(2)= 63.561 361.296 95.000 490.0006.3 Virtual tip diameter dan1(2)=dn1(2)+da1(2)-d1(2) dan1(2)= 71.207 367.272 107.500 497.500

    6.4 Virtual base diameter dbn1(2)=dn1(2)cosan dbn1(2)= 59.728 339.507 89.271 460.449

    7. Qualitative indices of gearing

    6.750 11.250

    0.018276486 0.014904384

    15.01158754 0

    21.35559052 20

    0.261306533 0.205128205

    0.278238369 0

    52 60

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    7.1 Transverse contact ratio ea={[(da12-db1

    2)1/2

    +(da22-db2

    2)1/2

    ]-2awsinatw}/[2pmtcosat] ea=

    7.2 Overlap ratio eb=bwsinb/[pmn] eb=

    7.3 Total contact ratio eg=ea+eb eg=

    7.4 Virtual transverse contact ratio ean=ea/cos2bb ean=

    7.5 Single pitch deviation acc. ISO 1328-1:1995 fpt= 12 14 13 16

    7.6 Total cumulative pitch deviation acc. ISO 1328-1:1995 Fp= 38 65 39 66

    7.7 Total profile deviation acc. ISO 1328-1:1995 Fa= 16 21 19 24

    7.8 Total helix deviation acc. ISO 1328-1:1996 Fb= 20 22 20 22

    Profile form deviation,