So / Kibaruyaw & Kow / Silindri jilama fanga jatebɔ: Formula, misaliw ani sugandili gafe

Silindri jilama fanga jatebɔ: Formula, misaliw ani sugandili gafe

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Ji fanga injiniyɛri la, tigitigi de bɛ baara kɛcogo ɲɛfɔ. Silindri seko jateminɛni ka da sistɛmu tansiyɔn tɔgɔlama kan sanni ka kɛ jatebɔ misali tigitigi ye, o bɛ na ni masinw tiɲɛni ye, lakana faratiw, walima musakabaw la minnu tɛ mako ɲɛ. Fanga wajibiyalenw jatebɔbaliya bɛ na ni silinda belebelebaw ye minnu bɛ jɔ doni kɔrɔ. O cogo kelen na, silinda minnu bonya ka bon, olu bɛ pɔnpe belebelebaw de wajibiya, u jɔcogo gɛlɛnw, ani ji hakɛ caya kojugu, o bɛ sistɛmu sennakow fiyɛ. Silindri min bonya ka dɔgɔ, o tɛ se ka masala wajibiyalen lamaga, o bɛ kɛ sababu ye ka ji tɛmɛ ka tɛmɛ dɛmɛnanw fɛ ani ka funteni kojugu lase. Silindri dɔ ɲɛfɔli min ka foro ka bon kojugu, o bɛ yɔrɔ farikoloma tiɲɛ, wa a bɛ jibɔ hakɛ caman de wajibiya walasa ka se ka laɲini cycle waatiw gosi. Nin gafe in bɛ jatebɔ siratigɛ tigitigiw di ji silinda fanga jatebɔ. An bɛ jatebɔ kɛ cogo min na diɲɛ kɔnɔ masinw ka baarakɛbaliya lakikaw kan, an bɛ o ɲɛfɔ ka ɲɛ ani ka fɛɛrɛ jateminɛcogo dɔ di walasa ka silinda ɲuman ɲɛfɔ i ka baarakɛcogo magow kama.

Takeaways (Takeaways) kunbabaw

  • Teori ni sɔrɔ lakika : Formula jɔnjɔn (Force = Pressure × Area) bɛ teori basigilen di; bɔli yɛrɛ bɛ dɔgɔya cogoya la 5% fo 10% ka da sigilan sɔgɔli kan ani kɔnɔna tansiyɔn jigincogo kan.

  • Directional Variance : Retraction (pull) fanga ka dɔgɔn a danma ka tɛmɛ extension (push) fanga kan standard double-acting cylinders kɔnɔ ka da a kan piston bere bɛ hakɛ min minɛ.

  • Single vs. Double-Acting Dynamics: Silindri kelen-kelenw ka kan ka jatebɔ kɛ ressort-return resistance kan, o min bɛ bɔ teori puse fanga bɛɛ lajɛlen na.

  • Sisitɛmu Jagokɛcogo: Ka fanga laɲini kɛrɛnkɛrɛnnen sɔrɔ, o bɛ a ɲini ka bɔgɔdaga hakɛ ni sistɛmu tansiyɔn balansi—bɔri belebelebaw bɛ baara kɛ ni degun dɔgɔmanw ye nka u bɛ yɔrɔ farikoloma ni ji hakɛ caman de wajibiya.

  • Faratiw dɔgɔyali : Fanga jatebɔw ka kan ka kɛ ɲɔgɔn fɛ ni sɔgɔsɔgɔninjɛ janya ni jiginni cogoya jateminɛw ye walasa ka balawu bere bali ka wuli doni girinmanw kɔrɔ.

Tablo kɔnɔkow

Silindri jibolisira fanga ka fiziki jɔnjɔn

Walasa ka ji fanga sigicogo dɔ ɲɛfɔ ka ɲɛ, aw ka kan ka farikolo sariyakolow faamu minnu bɛ ji kɛcogo ɲɛnabɔ kasobon kɔnɔ. Jiko siratigɛw bɛ baara Kɛ ni jikuruw ka ɲɔgɔndɛmɛbaliya sariyakolo ye. O jogo in b’a To u bɛ fanga belebeleba Lase yɔrɔjanw na minnu bɛ Se ka Yɛlɛma k’a sɔrɔ fanga bɔnɛba ma Bɔ u la.

Pascal ka sariya min bɛ silinda jilamaw kan

Ji fanga jatebɔ bɛɛ jusigilan bɛ Pascal ka sariya de kan. O sariyasen in b’a Fɔ ko degun min bɛ Kɛ ji la min datugulen dòn, min tɛ Se ka Dɔgɔya, o bɛ Tɛmɛ cogo kelen na, wa a tɛ Dɔgɔya sira bɛɛ fɛ ji bɛɛ la. Ni ji pɔnpe ye tulu wajibiya ka don silinda bara kɔnɔ, ji bɛ degun. O ji min bɛ degun, o bɛ fanga kelen kɛ silinda kogow la, a laban dawolo la ani pisini ɲɛda la. Ikomi silinda bara ni a dakunw sirilen don kosɛbɛ, ji in degun bɛ pisini lamagatɔ wajibiya a ka taama ka jigin barili kɔnɔ cogo tilennen na. O wale in bɛ ji fanga sɛmɛntiya k’a ɲɛsin masin lamaga ma.

Yɛlɛmaba minnu bɛ kɛ fanga jatebɔ la

Sani i ka jatebɔ-fɔcogo o formula (jatebɔ-fɔcogo) Kɛ, i ka fɛnɲɛnɛma-yɔrɔ kolomaw Sìgi sen kan minnu bɛ jatebɔ la. Unitw ɲagamini walima o basigilen jateminɛw faamuyabaliya bɛna kɛ sababu ye ka hakɛ fili juguw kɛ butiki kɔnɔ.

  • F (Force): Masina bɔli bɛɛ lajɛlen min bɛ bɔ silinda fɛ. O bɛ puse walima sama fanga yɛrɛ jira min bɛ sɔrɔ walasa ka doni dɔ lamaga. Imperial systems kɔnɔ, fanga bɛ suman pounds-force (lbf) walima US Tons la izini girinmanw baara kama. Metric systems kɔnɔ, an b’a suman Newtons (N) walima kiloNewtons (kN) la.

  • P (Pressure): Sitimɛ baarakɛcogo tansiyɔn min bɛ silinda da la. O ye jikuru fanga seko ye. Aw ka kan ka baara kɛ ni degun ye min bɛ sɔrɔ kurunbonkarila la, aw kana baara kɛ ni ji pɔnpe hakɛ dantɛmɛnen dɔrɔn ye. A ka c’a la, tansiyɔn bɛ suman ni Pounds per Square Inch (PSI) walima Bar ye.

  • A (Effective Area): Piston yɔrɔ min bɛ kɛ ni ji degunlen ye. O ye farikolo yɔrɔ ye, ji tansiyɔn bɛ baara Kɛ yɔrɔ min na walasa ka lamaga Kɛ. Yɔrɔ nafama bɛ suman ni santimɛtɛrɛ kɛrɛnkɛrɛnnen ye (in⊃2;) walima milimɛtɛrɛ kɛrɛnkɛrɛnnen (mm²).

Basi-Equation (daɲɛgafe basigilen) ye

Jɛɲɔgɔnya min bɛ nin fɛn saba ninnu ni ɲɔgɔn cɛ, o bɛ jira ni core fluid power formula ye: F = P × A. Force equals Pressure multiplied by Area. O bɛnkan in b’a Jira ko i bɛ Se ka dɔ Fàra silinda dɔ ka masin bɔli kan ni i ye dɔ Fàra sistɛmu tansiyɔn kan walima ka dɔ Fàra pisini sanfɛla kan. Jatebla bɛɛ min bɛ Kɛ o kɔ fɛ, o bɛ Sɔ̀rɔ o jatebɔ jɛɲɔgɔnya jɔnjɔn in kan.

Silindri jilama fanga jatebɔ senfɛ-senfɛ

Ka basigi-daɲɛw Kɛ diɲɛ kɔnɔ fɛnɲɛnɛma-minɛn lakikaw kan, o bɛ jatebɔ kɛrɛnkɛrɛnnenw de wajibiya jateminɛcogo la. Silindaw bɛ baara kɛ sira fila fɛ—u janya ni u kɔsegin. Yɔrɔ min bɛ sɔrɔ, o bɛ Changé ka kɛɲɛ ni taama sira ye.

Jatebɔ fanga bonya (Push) .

Extension stroke waati, jiji bɛ don silinda ka finimugu dakun na (fiyentɔ laban). Ji bɛ digi pisini yɔrɔ lamininen bɛɛ kan. Walasa ka o yɔrɔ in sɔrɔ, aw bɛ sɛrɛkili dɔ yɔrɔ jate ka kɛɲɛ ni silinda kɔnɔna foro cɛmancɛ ye.

Formula min bɛ foro dafalen yɔrɔ la, o ye : Yɔrɔ = π × r⊃2; (yɔrɔ min na r ye radius ye, walima a cɛmancɛ tilancɛ). Ni o tɛ, aw bɛ baara kɛ ni Area = π × (Diameter/2)⊃2;. Misali la, silinda min kɔnɔna ye santimɛtɛrɛ 4 ye, o janya ye santimɛtɛrɛ 2 ye. Ni an ye radiyali kɛrɛnkɛrɛn, o bɛ 4 di.Ni an cayara ni Pi (3,14159) ye, o bɛ kɛ sababu ye ka foro yɔrɔ dafalen sɔrɔ min ye insi kɛrɛnkɛrɛnnen 12,56 ye.

Ni aw ye piston surface area dafalen sɔrɔ, aw bɛ a kɛ F = P × A equation (F = P × A equation) kan. Ni aw ka sistɛmu bɛ baara kɛ ni 2500 PSI ye, aw bɛ 2500 caya ni 12,56 ye walasa ka teori janya fanga dɔn min ye 31400 lbf ye.

Jatebɔ fanga min bɛ kɔsegin (Pull) silinda minnu bɛ baara kɛ siɲɛ fila

Silindri minnu bɛ baara kɛ siɲɛ fila, olu bɛ baara kɛ ni ji tansiyɔn ye walasa ka janya ani ka kɔsegin. Kɔnɔnafili waati la, ji bɛ don silinda bere laban na. Piston bere ka kɛli farikolo la, o bɛ yɔrɔ minɛ, o bɛ dɔ bɔ piston sanfɛla yɔrɔ hakɛ la min bɛ se ka kɛ walasa ji min bɛ degun, o ka se ka baara kɛ a kan. An bɛ o yɔrɔ dɔgɔyalen in Weele ko yɔrɔ min bɛ Kɛ ni 'kɔnɔna ye.

Walasa ka nɛgɛso yɔrɔ jatebɔ, fɔlɔ ka bere tigɛyɔrɔ jateminɛ ni sɛrɛkili yɔrɔ formula kelen ye: Bere yɔrɔ = π × (Bɔri cɛmancɛ/2)⊃2;. O kɔ fɛ, aw bɛ o bere yɔrɔ in Bɔ foro yɔrɔ dafalen na min jatebɔra ka Tɛmɛ. Formula min bɛ sɔrɔ o la, o ye : Yɔrɔ nafama = Bore yɔrɔ dafalen - Bere yɔrɔ.

Ikomi yɔrɔ nafama bɛ dɔgɔya tuma bɛɛ kɔsegin waati, silinda minnu bɛ baara kɛ siɲɛ fila, olu bɛ fanga danfara sɔrɔ u yɛrɛ la. Pul stroke bɛ fanga dɔgɔya tuma bɛɛ ka tɛmɛ push stroke kan ni sistɛmu tansiyɔn kelen tigitigi ye. Ɛntɛrinɛti ɲɛmɔgɔw bɛ o danfara in jateminɛ ni u bɛ baarakɛminɛnw dilan minnu bɛ sama kosɛbɛ, i n’a fɔ digilifɛnw walima fɛnw kɔrɔtacogo.

Jatebɔ kɛli silinda kelen-kelenw kan

Silindri minnu bɛ baara kɛ siɲɛ kelen, olu bɛ ji degun kɛ walasa ka bere janya nka u bɛ u jigi da kɔnɔna masin resɔrɔn kan walima kɛnɛma doni girinya kan walasa k’a kɔsegin. Ni jatebɔ fanga bɛ kɛ resɔn-segin silinda la, resɔrɔn yɛrɛ bɛ masin-rezisti jira min bɛ ji-ji kɛlɛ.

Walasa ka bɔli yɛrɛyɛrɛ dɔn min bɛ se ka baara kɛ, aw bɛ resɔrɔn ka rezisti fanga bɔ fanga teorilenba la. Formula bɛ kɛ : Fanga jɛlen = (P × A) - Rezisti de ressort. Spring resistance bɛ ɲɔgɔn ta ka kɛɲɛ ni ressort bɛ digi fo yɔrɔ min na. O kɔrɔ ye ko minnu bɛ sɔrɔ ji silinda fanga bɛ dɔgɔya tiɲɛ na dɔɔni ni silinda sera a janyalen laban na.

Unit (yɔrɔ caman tigɛli) ani Standardisation (Sɔrɔdasi)

Fluid power components bɛ dilan diɲɛ kɔnɔ. Ɛntɛrinɛti ɲɛmɔgɔw bɛ to ka taama Imperial ni Metric unitw cɛ. Ni i ma se ka unitw sɛmɛntiya ka ɲɛ, o bɛ jatebɔw tiɲɛ, wa o bɛ na ni foro dɛsɛw ye. Jiginni na, fɛn caman tigɛli tabali bɛ yen min bɛ kɛ ka kɛɲɛ ni sariya ye walasa ka jatebɔ kɛcogo ɲuman sabati.

Sumanikɛlan

Unit Impériale (Unité impériale).

Metric Unit (Mɛtirili Unit).

Formula min bɛ mɔgɔw ladɔnniya

Gɛrɛntɛ

PSI (Kili kelen kelen na) .

Dɔlɔminyɔrɔ

1 Bar = 14,5038 PSI ye

Yɔrɔ / A cɛmancɛ

Santimɛtɛrɛ (in) .

Milimɛtɛrɛ (mm) .

1 Insi = milimɛtɛrɛ 25,4

Ka karaba

Kilo-fanga (lbf) .

Newtonw (N) .

1 lbf = 4,44822 N ye

Fanga gɛlɛn

Kilo-fanga (lbf) .

Ameriki Tonw

Ameriki Tonw = lbf / 2000

Ka ɲɛsin presse ni girinw kɔrɔtacogo ɲɛfɔli ma, jatebɔ kɛli bɔli la Ameriki Tonw na, o ye izini sariya ye. Ni aw ye kilo-fanga (lbf) bɛɛ lajɛlen dɔn, aw bɛ o jate tila ni 2000 ye walasa ka tɔni hakɛ tigitigi sɔrɔ.

Walasa ka foro jatebɔw teliya, aw ye nin NFPA bore hakɛ jateminɛtabali sariyalen lajɛ. A bɛ teori puse yɔrɔ jira izini silinda hakɛw la minnu bɛ kɛ ɲɔgɔn fɛ.

Bore Diamètre (Inches) Bamako, Mali.

Radius (Inches) .

Push Area (Santimɛtɛrɛ kɛrɛnkɛrɛnnen) .

Fanga min bɛ 3000 PSI (lbf) la .

1.50

0.75

1.76

5 280 ye

2.00

1.00

3.14

9 420 ye

2.50

1.25

4.91

14 730 ye

3.25

1.625

8.30

24 900 ye

4.00

2.00

12.56

37 680 ye

5.00

2.50

19.63

58 890 ye

Silindri jilama fanga jatebɔ ani ɛntɛrinɛti dilanni

Diɲɛ kɔnɔko lakikaw: Teori ni bɔli fanga lakika

F = P × A formula bɛ hakilinata basigilen di. Nka, jibolisiraw tɛ baara kɛ yɔrɔ la min tɛ fɛn ye. Diɲɛ lakika masinw ni jiko fanga dɔgɔyali bɛ garanti di ko fanga yɛrɛ min bɛ lase doni ma, o bɛna dɔgɔya tuma bɛɛ ka tɛmɛ jatebɔ miiriya b’a jira cogo min na.

9cb1669d-6581-496e-b8d5-7f64871fdcac.jpg. Bamako, Mali

Statique (Breakaway) ni Dinamique (Boli) Friction

Ji silinda bɛɛ bɛ a jigi da kɔnɔna sigilanw kan walasa ji kana tɛmɛ pisini fɛ ani ka bɔ bere glande kɔnɔ. O sigilanw, minnu ka teli ka dilan ni poliyuritan, PTFE walima nitirili lastikuw ye, olu bɛ farikolo-ɲɛnajɛ lase nɛgɛ barili ma min sɔgɔlen don ani bere min dilannen don ni chrome ye. O sɔgɔsɔgɔninjɛ bɛ ji fanga kɛlɛ k’a ɲɛsin a yɛrɛ ma.

Kɔrɔbɔli tɛ kɛ tuma bɛɛ. Static friction, walima breakaway friction, o ye resistance ye min bɛ sɔrɔ ni i bɛ lamaga daminɛ ka bɔ jɔyɔrɔ salen na. Breakaway friction ka bon kosɛbɛ ka tɛmɛ dynamic running friction kan, o min bɛ kɛ ni silinda bɛ lamaga kaban. Walasa ka fɛn ɲɛfɔcogo lakananen sɔrɔ, i ka jiginɛ dɔ kɛ ka kɛɲɛ ni izini ka sariya ye i ka jateminɛw la minnu bɛ kɛ ni hakilina ye. Aw bɛ a jira ko fanga bɛɛ bɛna bɔ 5% fo 10% ka da sigilan sɔgɔsɔgɔli kan, ka kɛɲɛ ni sigilan muɲuliw sirili ye ani jikuruw sɔgɔli ye.

Sistɛmu tansiyɔn jiginni (ΔP) .

Jateminɛw ka teli ka fili ka baara kɛ ni ji pɔnpe ka tansiyɔn hakɛ danma ye i n'a fɔ 'P' fɛn caman sɛgɛsɛgɛli. Tiɲɛ na, ji bɛ fanga bɔnɛ a la n’a bɛ taama o sigida la. Ni ji tulu bɛ tɛmɛ tubabukan na, ka 90 degere fɛnw bila sira kan, ka tɛmɛ sira jiralanw ka dantigɛlanw fɛ, a bɛ tansiyɔn jigin.

Ni ji sera silinda da yɛrɛ la, baarakɛcogo tansiyɔn bɛ se ka dɔgɔya PSI kɛmɛ caman na ka tɛmɛ pɔnpe bɔli kan. Fanga jatebɔ tigitigiw bɛ a ɲini ka tansiyɔn jateminɛnan dɔ sigi silinda da la k’a ɲɛsin a ma baara kɛtuma na walasa ka tansiyɔn sɔrɔlen lakika dɔn, sanni ka i jigi da pɔnpe ka kunnafonidilan kan.

Kɔnɔnatumuw ka jateminɛw

Silindri min bɛ baara kɛ siɲɛ fila, ji ka kan ka bɔ silinda fan fɛ min tɛ degun sɔrɔ, ni pisini bɛ taa. Janya waati, ji min bɛ bere laban na, o ka kan ka bɔ kurunbonkarila la ni fanga ye, ka tɛmɛ segin siraw fɛ, ka segin ka don jidagayɔrɔ la. Seginkanni pɔnpe ka dantigɛli cogoya bɛ kɔ degun bila mɔgɔ la.

O kɔ-degun in bɛ gɛlɛya sɔrɔ pisini fan fɛ min tɛ degun sɔrɔ, o bɛ kɛ sababu ye ka rezisti danma dɔ Dabɔ min bɛ Bɔ fanga bɔli jɛlen na. Kɔkolo tansiyɔn bɛ kɛ dantigɛliba ye sigidaw la minnu ka segin-ka-bɔnye siraw ka dɔgɔn walima minnu bɛ dantigɛli kɛ kosɛbɛ.

Jatebla kɛcogo misaliw

Ni an ye o hakilina in waleya ko kɛlenw na, o bɛ bonya taabolo ɲɛfɔ. Nin misali nataw b’a jira cogo min na ka diɲɛ kɔnɔ gɛlɛyaw ɲɛnabɔ ni ji fanga minɛnw kofɔlen don.

Misali 1: Silindri bonyali ka ɲɛsin fɛn gɛlɛnw kɔrɔtacogo ma (Push) .

Ɲɛjirali: Aw bɛ ka fɛnw kɔrɔtacogo dɔ labɛn min ka kan ka doni 15.000 lb gɛrɛ ka jɔ. Ji fanga yɔrɔ bɛ 3000 PSI dannamɔgɔ di silinda da la. Aw ka kan ka bore hakɛ fitinin min ka kan ka kɛ, o dɔn.

  1. Yɔrɔ nafama wajibiyalen sigi sen kan ni formula koloma caman caman cili ye: Yɔrɔ = Fanga / Degun.

  2. Aw bɛ 15.000 lb doni tila ni 3000 PSI sitɛmu tansiyɔn ye. O bɛ kɛ sababu ye ka yɔrɔ wajibiyalen sɔrɔ teori la min ye santimɛtɛrɛ kɛrɛnkɛrɛnnen 5,0 ye.

  3. Factor in a 10% safety margin walasa ka jate kɛ sigilan sɔgɔli ni masinw sirili la. Aw bɛ dɔ fara yɔrɔ wajibiyalen kan ka se santimɛtɛrɛ kɛrɛnkɛrɛnnen 5,5 ma.

  4. Aw bɛ foro cɛmancɛ wajibiyalen sɔrɔ ni formula ye: Diameter = √((Area / π) × 4).

  5. Aw bɛ √((5,5 / 3,14159) × 4) jate walasa ka foro cɛmancɛ hakɛ wajibiyalen sɔrɔ min bɛ se santimɛtɛrɛ 2,64 ma.

  6. Ikomi silinda bɛ dilan hakɛ dantigɛlenw na, aw bɛ NFPA bore silinda 3,25 inch standard dɔ lamini ani ka a jira o baara in kama.

Misali 2: Silindri fila-fila jirali presse (Pull/Retract & Tonnage) kama .

Ɲɛjirali: I bɛ ka samacogo dɔ labɛn presse dɔ kama min bɛ kɔsegin fanga 11 780 lbf tigitigi de wajibiya. K’a sababu kɛ yɔrɔ farikoloma dɛsɛ ye, i bɛ dan kɛ bore hakɛ cayalenba la min bɛ se santimɛtɛrɛ 4 ma. O kɛcogo bɛ bere gɛlɛn dɔ de wajibiya min janya ye santimɛtɛrɛ 2 ye walasa a kana kɔrɔta. Aw ka kan ka jatebɔ kɛ sistɛmu tansiyɔn wajibiyalen na ani ka tɔni hakɛ tigitigi dɔn.

  1. Aw bɛ silinda min janya ye santimɛtɛrɛ 4 ye, o kɔnɔna bɛɛ jatebɔ. A janya ye santimɛtɛrɛ 2 ye. Yɔrɔ = π × 2⊃2;, min bɛ bɛn santimɛtɛrɛ kɛrɛnkɛrɛnnen 12,56 ma.

  2. Aw bɛ bere yɔrɔ jate. O bere min ye santimɛtɛrɛ 2 ye, o janya ye santimɛtɛrɛ 1 ye. Yɔrɔ = π × 1⊃2;, min bɛ bɛn 3,14 ma.

  3. Aw bɛ bere yɔrɔ bɔ foro yɔrɔ la walasa ka yɔrɔ nafama sɔrɔ min bɛ kɛ ni nɛgɛ ye: 12,56 - 3,14 = 9,42 insi kɛrɛnkɛrɛnnen.

  4. Aw bɛ degun wajibiyalen dɔn ni Degun = Fanga / Yɔrɔ ye. Aw bɛ 11 780 lbf wajibiyalen tila ni 9,42 inch square inch nafama yɔrɔ ye. Sisitɛmu ka kan ka 1250,5 PSI tigitigi di bere-da-yɔrɔ la walasa ka sama fanga ɲininen sɔrɔ.

  5. Aw bɛ bɔli laban sɛmɛntiya ka kɛ tɔni tigitigi ye ni 11.780 lbf tilali ye 2000 ye. Presse bɛna baara kɛ ni 5,89 US Tons ɲɔgɔn sama fanga ye.

Misali 3: Mobili minɛnw ka boom silinda (Tansiyɔnba) .

Ko kɛlen: Excavateur boom bɛ fanga belebeleba de wajibiya walasa ka bɔgɔ min sɔgɔlen don, o kari. O sitɛmu bɛ baara kɛ ni tansiyɔnba ye min ye 4500 PSI ye. Silindri in bɛ ni 5 inch bore ye. Aw ka kan ka teori puse fanga sɔrɔ.

  1. Aw bɛ 5-inch bore radius ɲini, o ye 2,5 inch ye.

  2. Jatebɔ kɛ yɔrɔ min na: 3,14159 × (2,5)⊃2; = 19,63 ye santimɛtɛrɛ kɛrɛnkɛrɛnnen ye.

  3. Aw bɛ yɔrɔ caya ni degun ye: 19,63 × 4.500 = 88.335 lbf.

  4. Aw bɛ 5% sɔgɔli dɔgɔyali kɛ sigilanw na minnu bɛ baara kɛ kosɛbɛ: 88.335 × 0,95 = 83.918 lbf baarakɛ fanga yɛrɛ la.

Ɛntɛrinɛti jateminɛ: Jateblaw bamanankan na ka kɛ silinda sugandili ye

Jateblaw kɛli ye sistɛmu dilanni dakun fɔlɔ dɔrɔn de ye. O jatedenw bamanankan na ka kɛ fɛnɲɛnɛmako ɲɛfɔli ye min bɛ kɛ farikolo la, o bɛ ɲini ka sistɛmu jagokɛcogo, sigicogo dantigɛliw, ani fɛn dilanni gɛlɛyaw jateminɛ.

Formula Manuel vs. Jateblaw nizɛri

Nizɛri ji fanga jatebɔlan minnu bɛ dilan dilanbagabaw fɛ, olu bɛ prototyping seko teliyalenw di. U b’a to ɛntɛrinɛti injiniyɛriw ka fɛn caman don fɛn caman na ani ka basigi hakɛ jateminɛw lawuli o yɔrɔnin bɛɛ. O baarakɛminɛnw bɛ baara kɛ ka ɲɛ seko ni dɔnko kalan fɔlɔw la.

Nka, jatebɔlan digitɛriw bɛ cogoya ɲumanw ta. U tɛ se ka jateminɛ kɛ i ka masin dilanni na, i ka pɔnpew labɛncogo kɛrɛnkɛrɛnnenw, minnu bɛ da sumanw kan, walima minnu bɛ ɲɔgɔn sɔgɔsɔgɔ cogo kɛrɛnkɛrɛnnenw na. Aw bɛ baarakɛminɛnw bɔlenw sɛgɛsɛgɛ ni bololabaarakɛlaw ka jatebɔw ye walasa ka a jira ko sistɛmu kɛrɛnkɛrɛnnenw ka baarakɛbaliya bɛɛ sɛbɛnnen don ka ɲɛ ani ka bɛn.

Bore Size vs. Baarakɛcogo tansiyɔn Jagokɛlaw

Ni i mago bɛ fanga laɲini kɛrɛnkɛrɛnnen dɔ la, i bɛ ɲɛsin ɛntɛrinɛti latigɛ matiriyali danfaralen dɔ ma: yala i bɛ dɔ fara sistɛmu tansiyɔn kan, walima i bɛ dɔ fara silinda bore hakɛ kan wa?

Ni aw bɛ dɔ fara sistɛmu tansiyɔn kan, o b’a to aw bɛ se ka baara kɛ ni silinda fitinin ye min ka nɔgɔn. O bɛ yɔrɔ farikoloma nafamaw kisi masin fitininw dilanni na. Tansiyɔnba bɛ kɛ sababu ye ka tubabufura gɛlɛnw, pɔnpe barikamaw ani fɛn kɛrɛnkɛrɛnnenw de wajibiya, o bɛ dɔ fara sistɛmu musaka bɛɛ kan ani a ka gɛlɛya kan.

Ka sitɛmu tansiyɔn jigin, o bɛ a ɲini ka bore silinda belebeleba dɔ ɲɛfɔ walasa ka fanga laɲini kelen in gosi. Hali ni a ka c’a la, tansiyɔn dɔgɔya yɔrɔw sɔngɔ man gɛlɛn, wa u tɛ sɛgɛn kosɛbɛ, silinda belebeleba bɛ ji hakɛ caman de wajibiya. O bɛ jidagayɔrɔba de wajibiya ani pɔnpe min bɛ ji bɔ kosɛbɛ walasa ka cycle waatiw mara minnu bɛ sɔn.

Rod Buckling ani Stroke janya dantigɛliw

Fanga bɛrɛbɛrɛ jatebɔ ye sen fɔlɔ dɔrɔn de ye. Ni silinda dɔ janyalen don walasa ka doni girinman dɔ gɛrɛntɛ, pisini bere bɛ kɛ i n’a fɔ jɔn nɔgɔlen dɔ degun kɔrɔ. Silindri minnu bɛ taa janya la, minnu bɛ girinya belebelebaw gɛlɛya, olu bɛ se ka kɔrɔta kosɛbɛ, o min bɛ wele ko bere sɔgɔli.

Walasa ka bere bali ka foli degun kɔrɔ, aw bɛ jatebɔ filanan kɛ ni Euler ka kolosinsinnan formula ye. Nin formula in bɛ bere in ka fɛnɲɛnɛma-ko sɛgɛsɛgɛli Kɛ, a ka 'sènbɔli waati, a ka 'sèn janya min tɛ Dɛmɛ, ani a jɔcogo kɛrɛnkɛrɛnnen. Ni buckling jatebɔ b’a jira ko dɛsɛ farati bɛ yen, aw bɛ silinda dɔ fɔ min janya ka bon, hali ni ji fanga jatebɔw b’a jira ko bere fitinin bɛna bɔ.

Standard Off-the-Shelf vs. Silindriw minnu dilannen don ni mɔgɔw sago ye

Ni fɛɛrɛbɔlanw datugulen don, aw bɛ a latigɛ fɛnɲɛnamafagalanw ni fɛnɲɛnamafagalanw cɛ minnu bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye. Silindri standard tie-rod walima welded bɛ dilan ni bore commune ni bere faralen ye ɲɔgɔn kan. U musaka ka dɔgɔ, u bɛ sɔrɔ nɔgɔya la, wa u sɔrɔli ka nɔgɔn ka sigilanw sɔrɔ minnu bɛ se ka bila u nɔ na. Ni aw ka jatebɔw bɛ bɛn ni hakɛ dantigɛlenw ye, hakɛ dantigɛlenw de ye sugandili ɲuman ye.

Ni i ka baarakɛminɛn bɛ fanga ni senna-taama hakɛ kɛrɛnkɛrɛnnenw de wajibiya, baarakɛcogo degunba, walima jiginni cogoya kɛrɛnkɛrɛnnenw, minnu tɛ se ka kɛ katalogu jɔnjɔnw na, i ka wari bila silindaw la minnu dilannen don ni masin ye. Ladamuni injiniyɛri b’a to yɔrɔ nafama jatebɔlen tigitigi bɛ se ka sɔrɔ k’a sɔrɔ a ma masinw jateminɛcogo tiɲɛ.

Farati minnu bɛ a sigili la ani a kunbɛncogo

Hali silinda minnu jatebɔlen don ka ɲɛ, olu bɛ tiɲɛ ka kɔn waati ɲɛ ni u waleyara ka ɲɛ. Baarakɛcogo farati minnu bɛ diɲɛ kɔnɔ, olu bɛ degunw lase mɔgɔw ma, jatebɔ formulaw tɛ minnu jate u yɛrɛ la.

Side Loading (Kɛrɛfɛla doni).

Ji-silinda bɛ fanga labɔ kosɛbɛ sira tilennen fɛ pisini bere ka aksidan fɛ. Ni fanga bɛ kɛ kɛrɛ fɛ, walima ka a to doni ka wuli kɛrɛfɛ, o bɛ kɛ sababu ye ka doni kɛ kɛrɛfɛ. O degun min tɛ kelen ye, o bɛ bere wajibiya ka gland fan kelen kɛ, o bɛ kɛ sababu ye ka sigilan sɛgɛn teliya la, min tɛ kelen ye, silinda tubabukan na, ani a laban na, ji bɛ tɛmɛ.

Walasa ka kɛrɛfɛ doni nɔgɔya, aw bɛ jiginni cogoya bɛnnenw fɔ minnu bɛ a to a ka se ka doni dɔɔni dɔɔni. Ni aw ye biriki sɛrɛkiliw, trunnion mounts walima clevis brackets fara ɲɔgɔn kan, o bɛ a to silinda bɛ se ka wuli dɔɔni. O bɛ kɛrɛfɛla lamaga-lamagali Minɛ ani k’a To fanga bɛ To 'yɔrɔ la cogo dafalen na sɔgɔsɔgɔninjɛ bɛɛ la. Ni aw bɛ sɔgɔsɔgɔninjɛ janw kɛ, aw bɛ a lajɛ ka kɔnɔna jɔlanw fara a kan walasa ka dɔ fara biriki yɔrɔ kan piston ni glande cɛ.

Shock Loads ani Pressure Spikes (Sɔgɔsɔgɔninjɛ doniw).

A ka c’a la, jatebɔw bɛ doni jɔlenw walima doni teliyalenw jate. Tiɲɛ na, izini baarakɛminɛnw bɛ to ka doni dynamique shock loads sɔrɔ. Ni aw ye girinya girinman dɔ bila silinda dɛmɛnan dɔ kan, walima ka masin jɔyɔrɔ gɛlɛn dɔ gosi teliya la, o bɛ kɛ sababu ye ka degun wuli yɔrɔnin kelen barika kɔnɔ.

O bɔgɔdaga fangamaw bɛ tɛmɛ nɔgɔya la jatebɔlen degun kan ni hakɛ saba walima naani ye, o yɔrɔnin bɛɛ la, u bɛ sigilanw fiyɛ walima ka nɛgɛbere pɛrɛn. Walasa ka o sistɛmu lakana, aw bɛ cross-port relief valves (dakunw cɛmancɛ dɛmɛnanw) don ɲɔgɔn na ka surunya silinda portw la walasa ka degun tɛmɛnenw bɔ o yɔrɔnin bɛɛ. Silindri minnu bɛ baara kɛ sigidaw la minnu bɛ sɔgɔsɔgɔ kosɛbɛ, olu ka kan ka ɲɛfɔ ni fɛnw ye minnu fanga ka bon ani lakanafɛnw ye minnu bɛ kɛ ni fanga ye, minnu bɛ 3:1 walima 4:1 pɛrɛnni hakɛw ɲini ka kɛɲɛ ni baarakɛcogo tansiyɔn tɔgɔlama ye.

Kuncɛli

  1. Aw bɛ baarakɛcogo tansiyɔn yɛrɛ suman ka ɲɛsin silinda da la ni jateminɛkɛlan ye min bɛ se ka jateminɛ kɛ walasa ka sanfɛla tansiyɔn jigincogo jateminɛ.

  2. Aw bɛ yɔrɔ nafama wajibiyalen jateminɛ ka da aw ka doni hakɛ cayalenba kan, o kɔ aw bɛ lakana hakɛ 10% fara a kan walasa ka sigilan sɔgɔli ni masinw sirili musaka bɔ.

  3. Aw bɛ Euler ka koloma formula boli aw ka bere sugandilen cɛmancɛ ni a sɔgɔli janya kan walasa ka a sɛgɛsɛgɛ ko silinda tɛna siri ni janya maksimali ye.

  4. Aw bɛ lajɛ ni ji fanga dilanbaga dɔ ye walasa ka sigilan foroko ni a sigicogo laban ka kɛɲɛ ni aw ka sigida cogoya kɛrɛnkɛrɛnnenw ye.

Ɲininkaliw

J: I bɛ ji silinda fanga jate cogo di?

A: I bɛ fanga jate ni formula jɔnjɔn ye: Fanga = Tansiyɔn × Yɔrɔ (F = P × A). Aw bɛ sistɛmu baarakɛcogo tansiyɔn caya (PSI walima Bar la) ni pisini yɔrɔ nafama ye (insi kɛrɛnkɛrɛnnen walima milimɛtɛrɛ kɛrɛnkɛrɛnnen na) min bɛ ji degunlen na.

J: Mun na kɔsegin fanga ka dɔgɔ ni janya fanga ye ji silinda la min bɛ baara kɛ siɲɛ fila?

A: Kɔsegin fanga ka dɔgɔn bawo pisini bere farikoloma bɛ yɔrɔ minɛ silinda bara kɔnɔ. O bɛ dɔ bɔ dugukolo yɔrɔ bɛɛ lajɛlen na min bɛ se ka kɛ ji degunlen na walasa a ka se ka gɛrɛ a la samali waati, o bɛ na ni fanga bɛɛ lajɛlen dɔgɔyali ye.

J: Formula jumɛn bɛ yɔrɔ nafama na ji silinda kɔnɔ?

A: Ka ɲɛsin janya (push) sɔgɔli ma, yɔrɔ formula nafama ye Area = π × r⊃2;. Walasa ka kɔsegin (pull) sɔgɔ, aw ka kan ka bere yɔrɔ bɔ. Formula bɛ kɛ : Yɔrɔ = (π × r⊃2; silinda foroko la) - (π × r⊃2; piston bere la).

J: Ne bɛ se ka ji silinda fanga sɛmɛntiya cogo di ka kɛ tɔni ye?

A: Ni i ye fanga bɔli bɛɛ jatebɔ kɛ kilo-fanga (lbf) la, i bɛ o jate tila ni 2000 ye. O bɛ sumanikɛlan sɛmɛntiya ka kɛ Ameriki Tonw ye, o ye mɛtɛrɛ jɔnjɔn ye min bɛ kɛ ka presse baarakɛcogo ɲɛfɔ ani ka fɛn girinmanw kɔrɔta.

J: Fanga joli bɛ bɔnɛ sɔgɔsɔgɔninjɛ la jiko siratigɛ la?

A: I n’a fɔ ɛntɛrinɛti sariya min bɛ kɛ ka kɛɲɛ ni sariya ye, aw bɛ a jira ko fanga teori bɛ bɔnɛ 5% fo 10% na ka da kɔnɔna sɔgɔsɔgɔninjɛ kan. O bɔnɛ bɛ danfara ka kɛɲɛ ni sigilan suguya kɛrɛnkɛrɛnnen ye, ji sɔgɔli, ani silinda labɛncogo tigitigi.

J: Ne bɛ se ka bore hakɛ bɛnnen sugandi cogo di ne ka fanga wajibiyalen na?

A: Aw bɛ aw ka fanga wajibiyalen tila aw ka sistɛmu degun sɔrɔlen na walasa ka yɔrɔ nafama sɔrɔ min bɛ se ka kɛ. Ni aw ye laɲini yɔrɔ sɔrɔ, aw bɛ formula Diameter = √((Area / π) × 4) kɛ ka foro diameter wajibiyalen jatebɔ, o kɔ aw bɛ a lamini fo ka se hakɛ dantigɛlen ma min ka surun aw la.

J: Yala ne bɛ se ka dɔ fara ji silinda fanga kan k’a sɔrɔ ne ma silinda Changé wa?

A: Ɔwɔ, fanga bɛ se ka bonya dɔrɔn ni silinda ma Changé ni sitɛmu baarakɛcogo tansiyɔn kɔrɔtalen don pɔnpe la. Nka, aw ka kan ka fɔlɔ k’a lajɛ ni silinda bara, bere, sigilanw ani ɲɔgɔndan tubabufuraw jatera ka ɲɛ walasa ka PSI camanba minɛ.

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