CALCULO DE ROSCAS ACME GENERAL PURPOSE 2G.

Diametro Nominal 1/2 ( ROSCA DER. ______ ROSCA IZQ. ___X___ )Numero H. P. P. 8 ( DE 2 HASTA 10 H.P.P.)Paso 1/8Avance 1/8

DATOS:ROSCAS EXTERNAS (TORNILLOS)

Max. Min.Diam. Mayor. 0.5000 0.4938 Ø 1/2 in Diam. Paso. 0.4318 0.4170 Diam. Menor. 0.3550 0.3327 Ancho de la Cresta (FCS) 0.0449 Ancho de la Raiz (FRS) 0.0426

ROSCAS INTERNAS (TUERCAS)

Max. Min.Diam. Mayor. 0.5400 0.5200 Diam. Paso. 0.4523 0.4375 Diam. Menor. 0.3813 0.3750 Ancho de la Cresta (FCN) 0.0463 Ancho de la Raiz (FRN) 0.0412

Notas: A) Si no se indica otra cosa, las tablas corresponden al estandar ANSI B1.8h=P/2

Rosca ACME (ACME Thread)

una entrada, izquierda (single star, left)Ø Max. (Ø Major.):

ING. ANTONIO RUIZ VIEYRA HA: ENE 05,04

ING. RUBEN PAREDES GARCIA HA: ENE 05,04

( ROSCA DER. ______ ROSCA IZQ. ___X___ )

1/8 in 1/8 in

1.1161

Rosca ACME (ACME Thread)Paso (Pitch) Avance (Lead)

una entrada, izquierda (single star, left)Ø Max. (Ø Major.):

ENE 05,04

ENE 05,04

Ø Screw 1/2 Hilos por Pulgada 11Paso 0.0909H=0.866025·P 0.0787Ø Pitch=Ø Screw-0.5H 0.4213Ø Minor=Ø Screw-(2*H) 0.3425

Formulas for Stress Areas and Lengths of Engagement of Screw ThreadsAt

Knmax

Esmin

Le

Ø Screw NPT 2n 11p= 0.0909090909

1.8909090909β= 1.7833ThreadsH=0.866026p 0.0787509091h1=0.800000p 0.0727272727α= 30

E0=Ø Screw-(0.05 Ø Screw+1.1)p

bar 14.5038 psilbf-ft 1.3560 N.m

lbf 0.0044 kNpsi 703.0696 kg/m²

A Multiply

Bby

C To Obtain

MACHUELO ESTANDAR MACHUELO MILIMETRICOTDS=Tap Drill Size TDS=Tap Drill SizeD=Diametro mayor de machuelo (in). D=Diametro mayor (mm).N=Numero de hilos por pulgada. P=Paso (mm).

D 3/8 in D 22 mmN 16 Paso 2.5TDS 5/16 in TDS 19.50 mm

Twist Drill SizesNumber or Letter Fraction Decimal Equivalent

80 0.013579 0.014578 0.0160

1/64 0.015677 0.018076 0.020075 0.021074 0.022573 0.024072 0.025071 0.026070 0.028069 0.029068 0.0310

1/32 0.031367 0.032066 0.033065 0.035064 0.036063 0.037062 0.038061 0.0390

»60 0.040059 0.041058 0.042057 0.043056 0.0465

3/64 0.046955 0.052054 0.0550

NDTDS

1 PasoDTDS

53 0.0595 1/16 0.0625

52 0.063551 0.067050 0.070049 0.073048 0.0760

5/64 0.078147 0.078546 0.081045 0.082044 0.086043 0.089042 0.0935

3/32 0.093741 0.096040 0.098039 0.099538 0.101537 0.104036 0.1065

7/64 0.109435 0.110034 0.111033 0.113032 0.116031 0.1200

1/8 0.125030 0.128529 0.136028 0.1405

9/64 0.140627 0.144026 0.147025 0.149524 0.152023 0.1540

5/32 0.156222 0.157021 0.159020 0.161019 0.166018 0.1695

11/64 0.171917 0.1730

16 0.177015 0.180014 0.182013 0.1850

3/16 0.187512 0.189011 0.191010 0.1935

9 0.19608 0.19907 0.2010

13/64 0.20316 0.20405 0.20554 0.20903 0.2130

7/32 0.21872 0.2210

»1 0.2280A 0.2340

15/64 0.2344B 0.2380C 0.2420D 0.2460E 1/4 0.2500F 0.2570G 0.2610

17/64 0.2656H 0.2660I 0.2720J 0.2770K 0.2810

9/32 0.2812L 0.2900

M 0.2950 19/64 0.2969

N 0.3020 5/16 0.3125

O 0.3160P 0.3230

21/64 0.3281Q 0.3320R 0.3390

11/32 0.3438S 0.3480

T 0.3580 23/64 0.3594

U 0.3680 3/8 0.3760

V 0.3770W 0.3860

25/64 0.3906X 0.3970Y 0.4040

13/32 0.4062Z 0.4130

27/64 0.4219 7/16 0.4375 29/64 0.4331 15/32 0.4688 31/64 0.4844 1/2 0.5000

MACHUELO MILIMETRICO

PasoDTDS

INTERIOR

AA 13% CrAAA 13% Cr

A MONELUT 13% Cr316 316HF ST 6304 304HC HC3HF 316A20 CN7M4HF 3042HF 3211HF ST 21

A20H CN7M810 8810AHF MONEL625 625

3HFL ST 6HB HB

317LH ST 6T9 T9

21HF ST 6321F ST 6825 825317 317HFS ST 6

347HF ST 623HF ST 21

3HF+HF ST 6317H 317347 347304L 304LUOP MONEL51H ST 6317L 317LW1 W1

3LHF 316L347H 347718 718

625HF ST 61AH 31803

317LS 317L8367HF+HF ST 6

321 32131803 31803

3TC TC

COMPUERTADISCO

4HF+HF ST 6316L 316LHCH HCNUC NUC

CLASIFICACION NORMA ASTMWCB A216WC6 A217WC9 A217C5 A217CF8 A351CF8M A351LCB A352LC2 A352LC3 A352C12 A217WC1 A217WCC A216LC1 A352CA15 A217CN7M A351WC5 A217CF8C A351CF3M A351M35-1 A494CG3M A351WC11 A217CF3 A351CT15C A3514A A890C12A A2171B / CD4MCU A995CN3MN A7444A / CD3MN A9956A / CD3MWCUN A995

MATERIALES INTERIORESTIPO CLASE

ST6Stellite 6

13%Cr Stainless Steel 410316 Stainless Steel 316304 Stainless Steel 304HC Hastelloy "C"

CN7M Acero al Cromo-Niquel321 Stainless Steel 321ST21 Stellite 21A20 Stainless Steel Alloy 20

347 Stainless Steel 347321 Stainless Steel 321

8810 Stainless Steel 8810625 Inconel 625

410T Stainless Steel 410 (Dureza 200-275 BHN)316L Stainless Steel 316LHB Hastelloy "B"

317L Stainless Steel 31717 4PH Stainless Steel 17 4PH

317 Stainless Steel 317825 Incoloy 825304L Stainless Steel 304LK500 Monel K500

31803 Stainless Steel 31803718 Inconel 718

8367 Stainless Steel 8367TC Carburo de TungstenoW1 Walweld-100NUC Nucalloy

ANILLO CASQUILLO

13% Cr 13% CrMONEL 13% CrMONEL MONEL

ST 6 13% Cr316 316ST 6 13% Cr304 304HC HC

ST 6 316CN7M CN7MST 6 304ST 6 321

ST 21 13% CrST 6 A208810 8810ST 6 MONEL625 625ST 6 316LHB HB

ST 6 317LT9 HC

ST 6 317ST 6 321825 825317 317ST 6 ST 6ST 6 347

ST 21 825ST 6 316ST 6 317347 347304L 304L

K500+TFE MONELST 6 31803317L 317LW1 HCST 6 316LST 6 347718 316ST 6 625ST 6 31803ST 6 317LST 6 8367321 321

31803 31803ST 6 ST 6

ST 6 304316L 316LST 6 HCNUC 410

TIPO Tensile strength, ksi [MPa]ACERO AL CARBON 60 to 85 [415 to 585]ACERO AL CROMO MOLIBDENO 70 to 95 [485 to 655]ACERO AL CROMO MOLIBDENO 70 to 95 [485 to 655]ACERO AL CROMO MOLIBDENO 90 to 115 [795 to 620]ACERO INOXIDABLE 70 [485]ACERO INOXIDABLE 70 [485]ACERO AL CARBON PARA BAJAS TEMP. -50°F (-46°C) 65.0 to 90.0 [450 to 620]ACERO AL CARBON PARA BAJAS TEMP. -100°F (-73°C) 70.0 to 95.0 [485 to 655]ACERO AL CARBON PARA BAJAS TEMP. -150°F (-101°C) 70.0 to 95.0 [485 to 655]ACERO AL CROMO MOLIBDENO 90 to 115 [620 to 795]ACERO AL CORMO MOLIBDENO 65 to 90 [450 to 620]ACERO AL CARBON 70 to 95 [485 to 655]ACERO AL CARBON-MOLIBDENO PARA BAJAS TEMP. -75°F (-59°C) 65.0 to 90.0 [450 to 620]ACERO AL CROMO 90 to 115 [620 to 795]ACERO AL CROMO NIQUEL 62 [425]ACERO AL NIQUEL CROMO MOLIBDENO 70 to 95 [485 to 655]ACERO INOXIDABLE 70 [485]ACERO INOXIDABLE 70 [485]FUNDICION MONEL 65 [450]ACERO INOXIDABLE 75 [515]ACERO AL CROMO 80 to 105 [550 to 725]ACERO INOXIDABLE 65 [450]ACERO INOXIDABLE 63 [435]ACERO INOXIDABLE DUPLEX 90 [620]ACERO AL CROMO MOLIBDENO 85 to 110 [585 to 760]ACERO INOXIDABLE DUPLEX 100 [690]ACERO AL HIERRO-CROMO NIQUEL 80 [550]ACERO INOXIDABLE DUPLEX 90 [620]ACERO INOXIDABLE DUPLEX 100 [690]

BODY-BONET-VOVER BOLTINGVALVE MATERIAL

MATERIAL BASE VALVULA ASTM A216/WCBCUERPO ASTM A216/WCB NACEBONETE O TAPA ASTM A216/WCCCOMPUERTA O DISCO ASTM A216/WCC NACEHORQUILLA ASTM A352/LCBMATERIAL DE INTERIORES ASTM A352/LCB NACECOMPUERTA O DIACO ASTM A352/LCCASIENTOS ANILLOS ASTM A352/LCC NACEVASTAGOS ASTM A217/WC6

ASTM A217/WC6 NACE DISCO ASTM A217/WC9ASIENTO O ANILLO ASTM A217/WC9 NACEFLECHA ASTM A217/C5ROLDANA DE DISCO ASTM A217/C5 NACE

ASTM A217/C12ASTM A217/C12 NACEASTM A351/CF8ASTM A351/CF8 NACE ASTM A351/CF8MASTM A 351/CF8M NACEASTM A351/CF8CASTM A351/CF8C NACE

Coating BoltPLATINGCadmium

ZincChromium

TinSilver

Pocket Guide to Flage Fittings and Piping Data Pag. 18

VÁSTAGO FLECHA TCA. DISCO SEGURO

13% Cr 13% Cr 13% Cr 13% Cr 13% Cr13% Cr 13% Cr 13% Cr 13% Cr 13% CrMONEL MONEL MONEL MONEL MONEL13% Cr 13% Cr 13% Cr 13% Cr 13% Cr

316 316 316 316 31613% Cr 13% Cr 13% Cr 13% Cr 13% Cr

304 304 304 304 304HC HC HC HC HC316 316 316 316 316

CN7M CN7M CN7M CN7M CN7M304 304 304 304 304321 321 321 321 321316 316 13% Cr 13% Cr 13% CrA20 A20 A20 A20 A208810 8810 8810 8810 8810

MONEL MONEL MONEL MONEL MONEL625 625 625 625 625316L 316L 316L 316L 316LHB HB HB HB HB

317L 317L 317L 317L 317L17 4PH - - - -

317 317 317 317 317321 321 321 321 321825 825 825 825 825317 317 317 317 317

13% Cr 13% Cr 13% Cr 13% Cr 13% Cr347 347 347 347 347825 825 825 825 825316 316 316 316 316317 317 317 317 317347 347 347 347 347304L 304L 304L 304L 304LK500 K500 MONEL MONEL MONEL

31803 31803 31803 31803 31803317L 317L 317L 317L 317L

17 4PH - - - -316L 316L 316L 316L 316L347 347 347 347 347718 316 316 316 316625 625 625 625 625

31803 31803 31803 31803 31803317L 317L 317L 317L 317L8367 8367 8367 8367 8367321 321 321 321 321

31803 31803 31803 31803 31803316 + TC 316 316 316 316

ROLDANA DISCO

304 304 304 304 304316L 316L 316L 316L 316LHC HC HC HC HC

410 T 410 T 410 410 410

Yield strength,A min, ksi [MPa] Data Sheet30 [205] A21640 [275] A21740 [275] A21760 [415] A21730 [205] A35130 [205] A351

35.0 [240] A35240.0 [275] A35240.0 [275] A35260 [415] A21735 [240] A21740 [275] A216

35.0 [240] A35265 [450] A21725 [170] A35140 [275] A21730 [205] A35130 [205] A35125 [170] A49435 [240] A35150 [345] A21728 [195] A35125 [170] A35160 [415] A89060 [415] A21770 [485] A99538 [260] A74460 [415] A99565 [450] A995

BODY-BONET-VOVER BOLTINGBOLT MATERIAL NUT MATERIAL

INTERIORCPO

ASTM A193/B7 ASTM A194/2H 1ra. BRIDA

ASTM A193/B7M ASTM A194/2HM A CUASTM A193/B7 ASTM A194/2H AA 410ASTM A193/B7M ASTM A194/2HM AAA CUASTM A320/L7 ASTM A197/7 UT ST6ASTM A320/L7M ASTM A194/7M 316 316ASTM A320/L7 ASTM A194/7 HF ST6ASTM A320/L7M ASTM A194/7M 304 304ASTM A193/B16 ASTM A194/7 HC HC

ASTM A193/B7M ASTM A194/7M 3HF ST6ASTM A193/B16 ASTM A194/7 A20 A20ASTM A193/B7M ASTM A194/7M 4HF ST6ASTM A193/B16 ASTM A194/7 2HF ST6ASTM A193/B7M ASTM A194/7M 1HF ST21ASTM A193/B16 ASTM A194/7 7HF ST6ASTM A193/B7M ASTM A194/7M A20H ST6ASTM A193/B8 ASTM A194/8 810 8810ASTM A193/B8 CL-1 ASTM A194/8A 5HF ST6ASTM A193/B8 ASTM A194/8 AHF ST6ASTM A193/B8 CL-1 ASTM A194/8A 625 625ASTM A193/B8 ASTM A194/8 3HFL ST6ASTM A193/D8 CL-1 ASTM A194/8A T9 T9

21HF ST6825 825

Coating Bolt 317 317MARKING 347HF ST6

B7 23HF ST21L7 3HF+HF ST6

B16 317H ST6B8 347 347

B8M 304L 304LPocket Guide to Flage Fittings and Piping Data Pag. 18 UOP K500+TFE

51H ST6317L 317LW1 W1HFS ST6

321H ST6HB HB

317LH ST6321F ST63LHF ST6347H ST6718 718

625HF ST61AH ST6

317LS ST68367HF+HF ST6

321 32131803H ST6

3TC ST64HF+HF ST6

316L 316LHCH ST6NUC NUC

BONETE

DIAM. BRIDA

CU410410410316410304HC

316A20304321410347A208810347

NICU625316LHC317825317347825316317347304LNICU

31803317LHCST6321HB

317L321316L3477186251A

317L8367321

31803316304316LHC410

Wrench Size for Nut= (Bolt Diameter X 1.5)+1/8

Bolt Diameter 1/2 Wrench Size for Nut 7/8

Term Abbreviation or symbol BS 8888Across flats A/FAssembly ASSYCentres CRSCentre Line:

a) on a view and across a centre line ℄b) in a note CL

Centre of Gravity CGChamfer or chamfered (in note) CHAMCheese head CH HDCountersunk/countersink CSKCountersunk head CSK HDCounterbore CBORECylinder or cylindrical CYLDiameter:

a)In a note DIAb)Preceding a dimension Ø

Dimension DIMDrawing DRGEqually spaced EQUI SPExternal EXTFigure FIGFull indicated movement FIMHexagon HEXHexagon head HEX HDInsulated Or Insulation INSULInternal INTLeast Material Condition:

a)In A Note LMCb)Part Of Geometrical Tolerance L

Left Hand LHLong LGMachine MCMaterial MATLMaximum MAXMaximum Material Condition:

a)In A Note MMCb)Part Of Geometrical Tolerance M

Minimum MINNot To Scale (In A Note And Underline) NTSNumber NO.Patter Number PATT NO.Pitch Circle Diameter PCDRadius:

a)In A Note RAD

b)Preceding A Dimension RReference REFRequired REQDRight Hand RHRound Head RD HDScrew Or Screwed SCRSheet (Referring To A Drawing Sheet) SHSketch (Prefix To A Drawing Number) SKSpecification SPECSpherical Diameter (Only Preceding A Dimension) SØSpherical Radius (Only Preceding A Dimension) SRSpotface SFACESquare:

a) In A Note SQb)Preceding A Dimension □

Standard STDTaper (on diameter or width)Thread THDTolerance TOLTypical or typically TYPUndercut UCUTVolumen VOLWeight WT

CAP SCREW

Nominal size D M3 M4 M5 M6 M8 M10 M12 M16 M20Head diameter A 5.5 7 8.5 10 13 16 18 24 30Head depth H 3 4 5 6 8 10 12 16 20Key engagement K 1.3 2 2.7 3.3 4.3 5.5 6.6 8.8 10.7Socket size J 2.5 3 4 5 6 8 10 14 17

Dimension Tornilleria σ 125000

m 255.65

3 gravity 14.7

f 3758.055 15032.22fs 4 1178097.25

0.112959040.1250

AT

NS

dS