Qaababka xisaabinta ee ku habboon ee loo isticmaalo soo saarista xiraha:
1. Xisaabinta iyo dulqaadka dhexroorka dunta dibadda ee 60° profile (Heerarka Qaranka GB 197/196)
a. Xisaabinta cabbirrada aasaasiga ah ee dhexroorka garoonka
Baaxadda aasaasiga ah ee dhexroorka dunta dunta = dhexroorka dunta weyn – pitch × qiimaha isku xidhka.
Oraahda qaacidada ah: d/DP×0.6495
Tusaale: Xisaabinta dhexroorka garoonka dunta dibadda ee M8
8-1.25×0.6495=8-0.8119≈7.188
b. Dulqaadka dhexroorka dunta dibadda ee sida caadiga ah loo isticmaalo 6h (ku salaysan garoonka)
Qiimaha xadka sare waa "0"
Qiimaha xadka hoose waa P0.8-0.095 P1.00-0.112 P1.25-0.118
P1.5-0.132 P1.75-0.150 P2.0-0.16
P2.5-0.17
Qaaciddada xisaabinta xadka sare waa cabbirka aasaasiga ah, iyo qaacidada xisaabinta xadka hoose ee d2-hes-Td2 waa dhexroorka aasaasiga ah ee dhexroorka-u-dulqaadashada.
M8's fasalka 6aad qiimaha dulqaadka dhexroorka garoonka: qiimaha xadka sare 7.188 qiimaha xadka hoose: 7.188-0.118=7.07.
C. Weecinta aasaasiga ah ee dhexroorka garoonka ee dunta heerka 6g ee inta badan la isticmaalo: (ku salaysan garoonka)
P 0.80-0.024 P 1.00-0.026 P1.25-0.028 P1.5-0.032
P1.75-0.034 P2-0.038 P2.5-0.042
Qaaciddada xisaabinta qiimaha xadka sare ee d2-ges waa cabbirka-wareejinta aasaasiga ah
Qaaciddada xisaabinta qiimaha xadka hoose ee d2-ges-Td2 waa cabbir-wareejin-dulqaad aasaasi ah
Tusaale ahaan, qiimaha dulqaadka dhexroorka darajada 6g ee M8: qiimaha xadka sare: 7.188-0.028=7.16 iyo qiimaha xadka hoose: 7.188-0.028-0.118=7.042.
Fiiro gaar ah: ① Dulqaadyada dunta ee kor ku xusan waxay ku saleysan yihiin dunta qallafsan, waxaana jira isbeddello ku yimaada dulqaadka dunta ee dunta ganaaxa, laakiin waxay yihiin dulqaad weyn, sidaas darteed xakamaynta si waafaqsan tani kama dhaafi doonto xadka qeexitaanka, markaa ma aha mid mid ugu calaamadeeyay korka. baxay
② In wax soo saarka dhabta ah, dhexroorka usha silica ah ee dunta ah waa 0.04-0.08 ka weyn dhexroor garoonka dun dunta loogu talagalay sida waafaqsan saxnaanta shuruudaha design iyo xoogga extrusion ee qalabka processing dunta. Tani waa qiimaha dhexroorka usha la safeeyey ee dunta leh. Tusaale ahaan dhexroorka dunta M8 ee shirkadeena 6g dunta dunta lagu safeeyey dhab ahaantii waa 7.08-7.13, kaas oo ku dhex jira xadkan.
③ Iyadoo la tixgelinayo baahida habka wax soo saarka, xadka hoose ee xaddidaadda xakamaynta dhexroorka garoonka ee wax soo saarka dhabta ah ee dunta dibadda iyada oo aan lahayn daaweynta kulaylka iyo daaweynta dusha sare waa in lagu hayaa heerka 6h sida ugu macquulsan.
2. Xisaabinta iyo dulqaadka dhexroorka garoonka ee 60° dunta gudaha (GB 197/196)
a. Fasalka 6H dulqaad dhexroorka dunta dunta (oo ku salaysan garoonka)
Xadka sare:
P0.8+0.125 P1.00+0.150 P1.25+0.16 P1.5+0.180
P1.25+0.00 P2.0+0.212 P2.5+0.224
Qiimaha xadka hoose waa "0",
Qaaciddada xisaabinta qiimaha xadka sare 2+TD2 waa cabbirka aasaasiga ah + dulqaadka.
Tusaale ahaan, dhexroorka garoonka ee dunta gudaha ee M8-6H waa: 7.188+0.160=7.348. Qiimaha xadka sare: 7.188 waa qiimaha xadka hoose.
b. Habka xisaabinta ee dhexroorka garoonka aasaasiga ah ee dunta gudaha waxay la mid tahay tan dunta dibadda.
Taasi waa, D2 = DP × 0.6495, taas oo ah, dhexroorka garoon ee dunta gudaha waxay la mid tahay dhexroorka weyn ee dunta - qiimaha saxda ah × qiimaha.
c. Weecinta aasaasiga ah ee dhexroorka garoonka ee 6G dunta darajada E1 (ku salaysan garoonka)
P0.8+0.024 P1.00+0.026 P1.25+0.028 P1.5+0.032
P1.75+0.034 P1.00+0.026 P2.5+0.042
Tusaale: M8 6G darajada dunta gudaha dhexroorka dhexroorka xadka sare: 7.188+0.026+0.16=7.374
Qiimaha xadka hoose:7.188+0.026=7.214
Qaaciddada xadka sare ee qiimaha 2+GE1+TD2 waa cabbirka aasaasiga ah ee dhexroorka garoonka+ leexinta+dulqaadka
Qaaciddada xadka hoose ee xadka 2+GE1 waa cabbirka dhexroorka garoonka + weecasho
3. Xisaabinta iyo dulqaadka dhexroorka weyn ee dunta dibadda (GB 197/196)
a. Xadka sare ee dhexroorka 6h ee dunta dibadda
Taasi waa, qiimaha dhexroorka dunta. Tusaale ahaan, M8 waa φ8.00 iyo dulqaadka xadka sare waa "0".
b. Dulqaadka ugu hooseeya ee dhexroorka 6h ee dunta dibadda (oo ku salaysan garoonka)
P0.8-0.15 P1.00-0.18 P1.25-0.212 P1.5-0.236 P1.75-0.265
P2.0-0.28 P2.5-0.335
Habka xisaabinta ee xadka hoose ee dhexroorka weyni waa: d-Td, taas oo ah dulqaadka aasaasiga ah ee dhexroorka weyn ee dunta.
Tusaale: M8 dunta dibadda 6h cabbirka dhexroorka weyn: xadka sare waa φ8, xadka hoose waa φ8-0.212=φ7.788
c. Xisaabinta iyo dulqaadka 6g dhexroorka weyn ee dunta dibadda
leexashada tixraaca ee fasalka 6g dunta dibadda (ku salaysan garoonka)
P0.8-0.024 P1.00-0.026 P1.25-0.028 P1.5-0.032 P1.25-0.024 P1.75 -0.034
P2.0-0.038 P2.5-0.042
Habka xisaabinta xadka sare ee d-ges waa cabbirka aasaasiga ah ee dhexroorka weyn ee duntu - weecasho tixraaceed
Qaaciddada xisaabinta xadka hoose ee d-ges-Td waa cabbirka aasaasiga ah ee dhexroorka dunta weyn - leexashada datum - dulqaadka.
Tusaale: M8 dunta dibadda 6g darajada weyn ee dhexroorka sare qiimaha φ8-0.028=φ7.972.
Qiimaha xadka hooseφ8-0.028-0.212=φ7.76
Fiiro gaar ah: ① Dhexroorka dunta waxaa lagu go'aamiyaa dhexroorka usha dunta leh ee la safan yahay iyo heerka uu le'eg yahay astaanta iligga ee saxanka duuban ee dunta, qiimaheeduna waxa uu u dhigmaa dhexroorka dunta dunta oo ku salaysan Qalab farsamaynta maran iyo dun isku mid ah. Taasi waa, haddii dhexroorka dhexe uu yar yahay, dhexroorka weyni wuu weynaan doonaa, taa beddelkeeda haddii dhexroorka dhexe uu weyn yahay, dhexroorka weyni wuu yaraan doonaa.
② Qaybaha u baahan daaweynta kulaylka iyo daaweynta dusha sare, iyada oo la tixgelinayo habka farsamaynta, dhexroorka dunta waa in la xakameeyaa si uu uga sarreeyo xadka hoose ee fasalka 6h iyo 0.04mm inta lagu jiro wax soo saarka dhabta ah. Tusaale ahaan, dunta dibadda ee M8 waa xoqin (rogid) Dhexroorka weyn ee siligga waa inuu ka sarreeyaa φ7.83 oo ka hooseeya 7.95.
4. Xisaabinta iyo dulqaadka dhexroorka dunta gudaha
a. Xisaabinta cabbirka aasaasiga ah ee dunta gudaha dhexroor yar (D1)
Cabbirka dunta aasaasiga ah = cabbirka aasaasiga ah ee dunta gudaha – pitch × coefficient
Tusaale: Dhexroorka aasaasiga ah ee dunta gudaha M8 waa 8-1.25×1.0825=6.646875≈6.647
b. Xisaabinta dulqaadka dhexroorka yar (oo ku salaysan garoonka) iyo qiimaha dhexroorka yar ee dunta gudaha 6H
P0.8 +0 2 P1.0 +0. 236 P1.25 +0.265 P1.5 +0.3 P1.75 +0.335
P2.0 +0.375 P2.5 +0.48
Qaabka weecinta xadka hoose ee 6H dunta gudaha D1+HE1 waa cabbirka aasaasiga ah ee dunta gudaha dhexroor yar + weecan.
Fiiro gaar ah: Qiimaha eexda hoose ee heerka 6H waa "0"
Habka xisaabinta ee qiimaha xadka sare ee fasalka 6H dunta gudaha waa = D1+HE1+TD1, taas oo ah cabbirka aasaasiga ah ee dhexroorka yar ee dunta gudaha + leexinta + dulqaadka.
Tusaale: Xadka sare ee dhexroorka yar ee 6H fasalka M8 dunta gudaha waa 6.647+0=6.647
Xadka hoose ee dhexroorka yar ee 6H fasalka M8 dunta gudaha waa 6.647+0+0.265=6.912
c. Xisaabinta leexinta aasaasiga ah ee dhexroorka yar ee dunta gudaha darajada 6G (ku salaysan garoonka) iyo qiimaha dhexroor yar
P0.8 +0.024 P1.0 +0.026 P1.25 +0.028 P1.5 +0.032 P1.75 +0.034
P2.0 +0.038 P2.5 +0.042
Qaabka loogu talagalay xadka hoose ee dhexroorka yar ee 6G dunta gudaha = D1 + GE1, taas oo ah cabbirka aasaasiga ah ee dunta gudaha + weecan.
Tusaale: Xadka hoose ee dhexroorka yar ee 6G fasalka M8 dunta gudaha waa 6.647+0.028=6.675
Qaacidada qiimaha xadka sare ee 6G fasalka M8 dhexroor dunta gudaha D1+GE1+TD1 waa cabbirka aasaasiga ah ee dunta gudaha + weecasho + dulqaad.
Tusaale: Xadka sare ee dhexroorka yar ee darajada 6G ee dunta gudaha M8 waa 6.647+0.028+0.265=6.94
Fiiro gaar ah: ① Dhererka garoonka ee dunta gudaha waxay si toos ah ula xiriirtaa xilliga xajinta dunta gudaha, markaa waa inay ku jirtaa xadka sare ee fasalka 6H inta lagu jiro wax soo saarka maran.
② Inta lagu jiro farsamaynta xargaha gudaha, dhexroorka yar ee dhexroorka gudaha ayaa saameyn ku yeelan doona waxtarka isticmaalka qalabka mashiinka - tuubada. Marka loo eego dhinaca isticmaalka, dhexroorka yar yar, ayaa ka sii fiican, laakiin marka la tixgelinayo si guud, dhexroorka yar ayaa guud ahaan loo isticmaalaa. Haddii ay tahay qayb bir ah ama aluminium ah, xadka hoose ee xadka dhexe ee dhexroorka yar waa in la isticmaalo.
③ Dhexroorka yar ee dunta gudaha 6G waxaa loo hirgelin karaa 6H wax soo saarka maran. Heerka saxda ah wuxuu inta badan tixgelinayaa dahaarka dhexroorka garoonka dunta. Sidaa darteed, kaliya dhexroorka garoonka ee tuubada ayaa la tixgeliyaa inta lagu jiro farsamaynta dunta iyada oo aan la tixgelinayn dhexroorka yar ee daloolka iftiinka.
5. Qaaciddada xisaabinta ee habka hal-ku-dhigga ee tusmaynta madaxa
Qaaciddada xisaabinta ee habka hal-ku-dhigga: n=40/Z
n: waa tirada kacaanka ee madaxa qaybintu u rogi lahaa
Z: jajab siman oo ka mid ah qalabka shaqada
40: Tirada go'an ee qaybinta madaxa
Tusaale: Xisaabinta shiididda lix geesoodka
Ku beddel qaacidada: n=40/6
Xisaabinta: ① Fududee jajabka: Soo hel qaybiyaha ugu yar 2 oo u qaybi, yacni, u qaybi lambariyaha iyo qiimeeye 2 isku mar si aad u hesho 20/3. Iyadoo la dhimayo jajabka, qaybaheeda siman ayaa isbeddelaya.
② Xisaabi jajabka: Waqtigaan, waxay kuxirantahay qiyamka tireeyaha iyo hooseeyaha; haddii tirooyinka iyo kala qaybiyahu ay weyn yihiin, xisaabi.
20÷3=6(2/3) waa n qiimaha, taas oo ah, madaxa qaybinta waa in loo rogaa 6 (2/3) jeer. Waqtigan xaadirka ah, jajabku wuxuu noqday tiro isku dhafan; qaybta is dhexgalka ee tirada isku qasan, 6, waa tirada qaybinta Madaxu waa inuu noqdaa 6 wareeg oo buuxa. Jajabka 2/3 ee leh jajab kaliya wuxuu noqon karaa 2/3 hal wareeg, waana in dib loo xisaabiyaa wakhtigan.
③ Xisaabinta xulashada saxanka tusmaynta: Xisaabinta wax ka yar hal goobaabin waa in la xaqiijiyo iyadoo la kaashanayo saxanka tusmaynta ee madaxa tilmaanta. Tallaabada ugu horreysa ee xisaabinta waa in la ballaariyo jajabka 2/3 isku mar. Tusaale ahaan: haddii jajabku la kordhiyo 14 jeer isku mar, jajabku waa 28/42; haddii la balaadhiyo 10 jeer isku mar, dhibcuhu waa 20/30; Haddii la balaadhiyo 13 jeer isku mar, dhibcuhu waa 26/39… Balaadhinta balaadhinta iridda qaybinta waa in lagu doortaa iyadoo loo eegayo tirada godadka saxanka tilmaamayaasha.
Waqtigaan waa inaad fiiro gaar ah u yeelataa:
①Tirada godadka ee loo xushay saxanka tusmaynta waa in loo qaybiyaa hooseeyaha 3. Tusaale ahaan, tusaale ahaan, 42 godad waa 14 jeer 3, 30 godad waa 10 jeer 3, 39 waa 13 jeer 3…
② Balaadhinta jajabku waa in ay ahaataa mid tirada iyo kala qaybisagu isku mar la ballaadhiyo oo qaybahooda isla eg aanay isbeddelin, sida tusaale ahaan.
28/42=2/3×14=(2×14)/(3×14); 20/30=2/3×10=(2×10)/(3×10);
26/39=2/3×13=(2×13)/(3×13)
Hooseeyaha 42 ee 28/42 ayaa la tusmeeyay iyadoo la isticmaalayo 42 dalool ee lambarka tusaha; nambarada 28 ayaa horay ugu sii socda godka meelaynta ee giraangiraha sare ka dibna wuxuu u wareegayaa godka 28, taas oo ah, 29 dalool waa godka meelaynta giraangiraha hadda, iyo 20/30 waa 30 godka 10aad ama daloolka 11aad waa meelaynta daloolka epicycle. 26/39 waa meelaynta godka epicycle ka dib markii saxan 39-dalool hore loo soo jeediyo iyo daloolka 26aad waa daloolka 27aad.
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Marka aad wax shiiddo lix afargees (lix qaybood oo siman), waxaad isticmaali kartaa 42 godad, 30 godad, 39 godad iyo godadka kale ee si siman loo qaybiyo 3 tusmooyin ahaan: qalliinku waa in la rogo gacanta 6 jeer, ka dibna horay loogu sii wado meelaynta. godadka giraangiraha sare. Kadibna u rog 28+1/10+1/26+! dalool ilaa 29/11/27 dalool sidii godka meelaynta ee epicycle.
Tusaalaha 2: Xisaabinta shiididda qalabka 15-ilig ah.
Ku beddel qaacidada: n=40/15
Xisaabi n=2(2/3)
U rog 2 wareeg oo buuxa ka dibna dooro godadka tusaha ee loo qaybin karo 3, sida 24, 30, 39, 42.51.54.57, 66, iwm. Kadibna horay u sii jeedi saxanka 16, 20, 26, 28, 34, 36, 38 , 44 Ku dar 1 dalool, kuwaas oo ah godadka 17, 21, 27, 29, 35, 37, 39, iyo 45 sida meelaynta godadka epicycle.
Tusaale 3: Xisaabinta tusmaynta 82 ilkood.
Ku beddel qaacidada: n=40/82
Xisaabi n=20/41
Taasi waa: kaliya dooro saxan 41-dalool ah, ka dibna u rog 20+1 ama 21 godad godka meelaynta taayirrada sare sida godka meelaynta giraangiraha hadda.
Tusaalaha 4: Xisaabinta tusmada shiididda 51 ilkood
Beddel qaacidada n=40/51. Maadaama dhibcaha aan la xisaabin karin wakhtigan, waxaad si toos ah u dooran kartaa godka, taas oo ah, dooro saxanka 51-daloolka, ka dibna u rog 51+1 ama 52 godad godka booska giraangiraha sare sida godka booska giraangiraha hadda . Taasi waa.
Tusaalaha 5: Xisaabinta tusmaynta 100-ka ilkood ee miidda.
Ku beddel qaacidada n=40/100
Xisaabi n=4/10=12/30
Taasi waa, dooro saxan tilmaame ah oo 30-dalool ah, ka dibna u rog 12+1 ama 13 godad godka meelaynta taayirrada sare sida godka meelaynta giraangiraha hadda.
Haddii dhammaan taarikada tilmaamuhu aysan lahayn tirada godadka loo baahan yahay xisaabinta, habka tusmaynta isku-dhafka ah waa in loo adeegsadaa xisaabinta, taas oo aan ku jirin habka xisaabinta. Wax soo saarka dhabta ah, hobbing gear guud ahaan waa la isticmaalaa, sababtoo ah hawlgalka dhabta ah ka dib xisaabinta indexing ka mid ah waa mid aad u dhib badan.
6. Qaaciddada xisaabinta ee saddex geesood oo goobaabin ku qoran
① Soo hel lixda dhinac ee ka soo horjeeda goobada D (korka S)
S=0.866D waa dhexroor × 0.866 (isku xidhka)
② Ka hel dhexroorka goobada (D) dhanka ka soo horjeeda saddex geesoodka (korka S)
D=1.1547S waa dhanka kasoo horjeeda × 1.1547
7. Qaababka xisaabinta ee lix dhinac oo iska soo horjeeda iyo geesaha inta lagu jiro habka ciwaanka qabow
① Soo hel dhinaca ka soo horjeeda (S) ee saddex geesoodka dibadda si aad u hesho xagal ka soo horjeeda e
e=1.13s waa dhanka kasoo horjeeda × 1.13
② Ka hel xagasha ka soo horjeeda (e) ee saddex geesoodka gudaha dhanka ka soo horjeeda
e=1.14s waa dhanka ka soo horjeeda × 1.14
③ Xisaabi dhexroorka alaabta madaxa ee geesta ka soo horjeeda (D) dhanka ka soo horjeeda ee laba geesoodka
Dhexroorka goobada (D) waa in loo xisaabiyaa iyadoo loo eegayo (qaaciidada labaad ee 6) lixda dhinac ee iska soo horjeeda (s-plane) iyo qiimaheeda xaruntu waa in si habboon loo kordhiyaa, taas oo ah, D≥1.1547s. Qadarka xarunta la dhimay ayaa la qiyaasi karaa oo kaliya.
8. Qaacidada xisaabinta ee afar geesaha ku qoran goobada
① Ka soo hel dhinaca ka soo horjeeda labajibbaaran (S dusha sare) goobada (D)
S=0.7071D waa dhexroor ×0.7071
② Ka hel goobada (D) dhinacyada iska soo horjeeda ee afarta geesood (S dusha sare)
D=1.414S waa dhanka kasoo horjeeda ×1.414
9. Hababka xisaabinta ee afarta dhinac ee iska soo horjeeda iyo geesaha iska soo horjeeda ee habka ciwaanka qabow
① Soo hel xagal ka soo horjeeda (e) dhanka ka soo horjeeda (S) ee afar geesaha dibadda
e=1.4s, taas oo ah, dhanka ka soo horjeeda (-yada) × 1.4 cabbirka
② Soo hel xagasha kasoo horjeeda (e) ee afarta dhinac (yada) gudaha
e=1.45s waa dhinaca ka soo horjeeda (-yada) × 1.45 iskuxirnaan
10. Qaaciddada xisaabinta mugga laba geesoodka ah
s20.866×H/m/k macnaheedu waa dhinac kasoo horjeeda×0.866× dhererka ama dhumucda.
11. Qaaciddada xisaabinta ee mugga koorta la jarjaray (koobta)
0.262H (D2+d2+D×d) waa 0.262× dhererka ×(dhexroorka madaxa weyn × dhexroorka madaxa weyn+ dhexroorka madaxa yar × dhexroor madaxa yar
12. Qaaciddada xisaabinta mugga ee jirka maqan ee wareegsan (sida madaxa wareega wareega)
3.1416h2(Rh/3) waa 3.1416× dhererka×(radius-height÷3).
13. Qaaciddada xisaabinta ee cabbiraadda tuubada ee dunta gudaha
1. Xisaabinta dhexroorka weyn ee tuubada D0
D0=D+(0.866025P/8)×(0.5~1.3), taaso ah, cabbirka aasaasiga ah ee dunta dhexroorka wayn ee tuubada+0.866025 pitch÷8×0.5 ilaa 1.3.
Fiiro gaar ah: Doorashada 0.5 ilaa 1.3 waa in la xaqiijiyaa iyadoo loo eegayo cabbirka garoonka. Marka uu bato qiimaha garoonku, waa in la isticmaalo isku xidhka yar. Taas lidkeeda,
Inta yar ee qiimaha garoonku yahay, way sii weynaan doontaa isku xidhka.
2. Xisaabinta dhexroorka garoonka tuubada (D2)
D2=(3×0.866025P)/8 taas oo ah taabo garoonka=3×0.866025×thread pitch÷8
3. Xisaabinta dhexroorka tuubada (D1)
D1=(5×0.866025P)/8 taasi waa, taabo dhexroor=5×0.866025×thread pitch÷8
14. Qaaciddada xisaabinta dhererka agabka loo isticmaalo qaabaynta madaxa qabow ee qaabab kala duwan
La yaqaan: Qaaciddada mugga goobada waa dhexroorka × dhexroorka × 0.7854 × dhererka ama radius × radius × 3.1416 × dhererka. Taasi waa d2×0.7854×L ama R2×3.1416×L
Marka la xisaabinayo, mugga alaabta loo baahan yahay waa X÷ Dhexroor ÷ Dhexroor ÷ 0.7854 ama X÷radius÷radius÷3.1416, oo ah dhererka quudinta.
Qaaciddada tiirka=X/(3.1416R2) ama X/0.7854d2
X ee qaacidadu waxay ka dhigan tahay mugga loo baahan yahay ee alaabta;
L waxay matalaysaa qiimaha dhererka quudinta dhabta ah;
R/d waxa ay matalaysaa radius ama dhexroorka dhabta ah ee walxaha la quudiyo.
Waqtiga boostada: Nov-06-2023
