Usoro mgbako dị mkpa ejiri na mmepụta fastener:
1. Ngụkọta na ndidi nke mpụga eri pitch dayameta nke 60° profaịlụ (National Standard GB 197/196)
a. Mgbakọ nke isi akụkụ nke pitch dayameta
Nha isi nke dayameta pitch pitch = eri isi dayameta – pitch × ọnụọgụ ọnụọgụ.
Okwu usoro: d/DP×0.6495
Ọmụmaatụ: Ngụkọta dayameta pitch nke eriri mpụga M8
8-1.25×0.6495=8-0.8119≈7.188
b. Nlegide dayameta eriri pitịịt dị n'èzí nke a na-ejikarị (dabere na pitch)
Ọnụ ego kacha elu bụ "0"
Uru oke ala bụ 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
Usoro mgbako mgbako nke elu bụ nha bụ isi, yana usoro mgbako mgbako dị ala d2-hes-Td2 bụ isi dayameta-iche- ndidi.
M8's 6h ọkwa pitch pitch dayameta uru: elu oke uru 7.188 ala ịgba uru: 7.188-0.118=7.07.
C. Ndabere nke ngbanwe nke dayameta pitch nke eriri mpụga ọkwa 6g a na-ejikarị: (dabere na pitch)
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
Usoro mgbako ọnụ ahịa oke elu d2-ges bụ isi nha-iche
Usoro mgbako ọnụ ahịa dị ala d2-ges-Td2 bụ nnabata nha nha-nhapụ
Ọmụmaatụ, 6g ọkwa pitch dayameta uru ndidi nke M8: elu oke uru: 7.188-0.028=7.16 na ala ịgba uru: 7.188-0.028-0.118=7.042.
Cheta na: ① The n'elu eri tolerances dabeere na keadighi rarii eri, na e nwere ụfọdụ mgbanwe na eri tolerances nke ezi eri, ma ha bụ nnọọ ibu tolerances, otú njikwa dị ka nke a agaghị agafe nkọwapụta ókè, n'ihi ya, ha na-adịghị. akara otu otu na n'elu. pụọ.
② Na mmepụta n'ezie, dayameta nke eriri a na-egbuke egbuke bụ 0.04-0.08 karịa nke a haziri ahazi na dayameta olulu dị ka ihe ziri ezi nke chọrọ imewe na ike extrusion nke ngwa nhazi eri. Nke a bụ uru nke dayameta nke eri na-egbu maramara. Dị ka ihe atụ The dayameta nke ụlọ ọrụ anyị M8 mpụga eri 6g ọkwa threaded polished mkpanaka bụ n'ezie 7.08-7.13, nke bụ n'ime nke a nso.
③ N'iburu n'uche mkpa nke usoro mmepụta ihe, njedebe dị ala nke njedebe nkwụsị nke nkwụsị nke nkwụsị nke mmepụta nke eriri ndị dị n'èzí na-enweghị ọgwụgwọ okpomọkụ na ọgwụgwọ elu kwesịrị idobe na ọkwa 6h dị ka o kwere mee.
2. Ngụkọta na ndidi nke pitch dayameta nke 60° esịtidem eri (GB 197/196)
a. klaasị 6H eriri pitch ndidi dayameta (dabere na pitch)
Oke oke:
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
Uru oke ala bụ "0",
Usoro mgbako ọnụ ahịa oke elu 2+TD2 bụ nha nha + ndidi.
Dịka ọmụmaatụ, dayameta pitch nke eriri ime M8-6H bụ: 7.188+0.160=7.348. Uru oke oke: 7.188 bụ ọnụ ahịa oke ala.
b. Usoro mgbako maka nkiti pitch dayameta nke esịtidem eri bụ otu ihe ahụ na nke mpụga eri.
Nke ahụ bụ, D2 = DP × 0.6495, ya bụ, dayameta pitch nke eriri dị n'ime ya hà nhata isi dayameta nke eriri - pitch × ọnụọgụ ọnụọgụ.
c. Ngbanwe ndabere nke dayameta pitch nke eriri 6G ọkwa E1 (dabere na pitch)
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
Ọmụmatụ: M8 6G ọkwa esịtidem eriri pitch dayameta nke elu: 7.188+0.026+0.16=7.374
Uru oke ala: 7.188+0.026=7.214
Usoro uru oke elu 2+GE1+TD2 bụ nha bụ isi nke dayameta pitch+deviation+ ndidi.
Usoro uru oke ala 2+GE1 bụ nha dayameta pitch + iche
3. Ngụkọta na ndidi nke mpụga eri isi dayameta (GB 197/196)
a. Oke oke nke 6h isi dayameta nke eriri mpụga
Ya bụ, uru dayameta eri. Ọmụmaatụ, M8 bụ φ8.00 na oke oke ndidi bụ “0″.
b. Nkwadebe dị ala nke dayameta 6h nke eriri mpụga (dabere na pitch)
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
Usoro mgbako maka oke ala nke nnukwu dayameta bụ: d-Td, nke bụ isi nha- ndidi nke nnukwu dayameta nke eri ahụ.
Ọmụmaatụ: M8 eri mpụta 6h nnukwu dayameta nha: oke elu bụ φ8, oke ala bụ φ8-0.212=φ7.788
c. Mgbakọ na nnabata nke 6g isi dayameta nke eriri mpụga
Ntụgharị uche nke grade 6g eri mpụga (dabere na pitch)
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
Usoro mgbako mgbako nke elu d-ges bụ nha bụ isi nke dayameta isi nke eri - ntụgharị ntụaka
Usoro mgbako mgbako dị ala d-ges-Td bụ nha nke isi dayameta nke eri ahụ - ngbanwe datum - nnabata.
Ọmụmaatụ: M8 eri mpụta 6g ọkwa isi dayameta elu oke uru φ8-0.028=φ7.972.
Uru oke ala φ8-0.028-0.212=φ7.76
Rịba ama: ① A na-ekpebi isi dayameta nke eri ahụ site na dayameta nke mkpanaka na-egbu maramara na ogo nke profaịlụ eze na-eyi nke eriri na-atụgharị efere / roller, na uru ya na-adaba na dayameta pitch nke eri ahụ dabere na otu oghere na eriri nhazi ngwaọrụ. Ya bụ, ọ bụrụ na dayameta etiti dị ntakịrị, nnukwu dayameta ga-abụ nnukwu, ma ọzọ ma ọ bụrụ na dayameta etiti buru ibu, nnukwu dayameta ga-adị ntakịrị.
② Maka akụkụ ndị chọrọ ọgwụgwọ okpomọkụ na ọgwụgwọ elu, na-eburu n'uche usoro nhazi ahụ, ekwesịrị ịchịkwa eriri eri ka ọ dị elu karịa njedebe nke ọkwa 6h gbakwunyere 0.04mm n'oge mmepụta n'ezie. Dịka ọmụmaatụ, eriri mpụga nke M8 na-agbagharị (na-atụgharị) Isi dayameta nke waya kwesịrị ịdị n'elu φ7.83 na n'okpuru 7.95.
4. Ngụkọta na ndidi nke esịtidem eri dayameta
a. Ngụkọ nha nke isi nke eriri ime obere dayameta (D1)
Nha eri bụ isi = nha bụ isi nke eriri ime – pitch × ọnụọgụ
Ọmụmaatụ: The isi dayameta nke esịtidem eri M8 bụ 8-1.25×1.0825=6.646875≈6.647
b. Ngụkọta nke ntachi obi ntachi obi (dabere na pitch) yana uru obere dayameta nke eriri ime 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
The ala ịgba deviation usoro nke 6H ọkwa esịtidem eri D1+HE1 bụ isi size nke esịtidem eri obere dayameta + deviation.
Mara: Uru eleda anya ala nke ọkwa 6H bụ “0″
Usoro mgbako maka uru oke elu nke klaasị 6H n'ime eriri bụ = D1+HE1+TD1, nke bụ nha nha nke obere dayameta nke eriri ime + iche + ndidi.
Ọmụmatụ: Oke elu nke obere dayameta nke 6H grade M8 esịtidem eri bụ 6.647+0=6.647
Oke ala nke obere dayameta nke 6H ọkwa M8 ime eri bụ 6.647+0+0.265=6.912
c. Ngụkọta mgbako nke isi ngbanwe nke obere dayameta nke eriri ime 6G ọkwa (dabere na pitch) yana uru obere dayameta.
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
Usoro maka oke ala nke obere dayameta nke 6G grade inside thread = D1 + GE1, nke bụ nha nha nke eriri dị n'ime + iche.
Ọmụmaatụ: Oke ala nke obere dayameta nke 6G grade M8 esịtidem eri bụ 6.647+0.028=6.675
Usoro uru oke elu nke 6G ọkwa M8 esịtidem eri dayameta D1+GE1+TD1 bụ isi size nke esịtidem eri + deviation + ndidi.
Ọmụmaatụ: Oke elu nke obere dayameta nke 6G grade M8 esịtidem eri bụ 6.647+0.028+0.265=6.94
Rịba ama: ① Ogo elu nke eriri dị n'ime na-ejikọta ya na oge na-ebu ibu nke eriri dị n'ime, ya mere ọ kwesịrị ịdị n'ime oke elu nke ọkwa 6H n'oge mmepụta oghere.
② N'oge nhazi nke eriri dị n'ime, obere dayameta nke eriri dị n'ime ya ga-enwe mmetụta na-arụ ọrụ nke ọma nke ngwa ngwa - mgbata. Site n'echiche nke ojiji, obere dayameta, ka mma, ma mgbe ị na-atụle n'ụzọ zuru ezu, a na-ejikarị obere dayameta eme ihe. Ọ bụrụ na ọ bụ ihe nkedo ma ọ bụ akụkụ aluminom, a ga-eji njedebe dị ala na njedebe etiti nke obere dayameta.
③ The obere dayameta nke esịtidem eri 6G nwere ike emejuputa atumatu dị ka 6H na oghere mmepụta. Ọkwa ziri ezi na-eleba anya na mkpuchi nke dayameta pitch nke eri ahụ. Ya mere, a na-atụle naanị dayameta pitch nke mgbata n'oge nhazi eri na-atụleghị obere dayameta nke oghere ọkụ.
5. Usoro mgbako nke otu usoro ntinye aha nke isi
Usoro ngụkọ nke otu usoro ntinye aha: n=40/Z
n: bụ ọnụọgụ mgbanwe nke isi nkewa kwesịrị ịtụgharị
Z: nha nha nha nke ihe eji arụ ọrụ
40: Oghere ọnụ ọgụgụ isi nkewa
Ọmụmaatụ: Mgbakọ igwe igwe hexagonal
Dochie n'ime usoro: n=40/6
Mgbakọ: ① Mee ka nkebi dị mfe: Chọta nkesa kacha nta 2 wee kewaa ya, ya bụ, kewaa ọnụọgụ na ọnụọgụ abụọ n'otu oge iji nweta 20/3. Ka ọ na-ebelata obere ntakiri ahụ, akụkụ ya hà ka agbanweghị.
② Gbakọọ ụmụ irighiri ihe: N'oge a, ọ dabere na ụkpụrụ nke ọnụọgụ na ọnụ ọgụgụ; ọ bụrụ na ọnụọgụgụ na ọnụ ọgụgụ buru ibu, gbakọọ.
20÷3=6(2/3) bụ uru n, ya bụ, isi nkewa ga-atụgharị ugboro 6 (2/3). N'oge a, ihe ntanye ahụ aghọwo ọnụọgụ agwakọta; akụkụ integer nke ọnụọgụ agwakọta, 6, bụ ọnụọgụ nkewa Isi kwesịrị ịtụgharị 6 n'uju. Nkeji 2/3 nwere obere ntakiri nwere ike ịbụ naanị 2/3 nke otu ntụgharị, a ga-agbakọkwa ya n'oge a.
③ Ngụkọta nhọrọ nke efere indexing: Ngụkọta nke ihe na-erughị otu okirikiri ga-emerịrị site n'enyemaka nke efere ntụnye nke isi ihe nrịbama. Nzọụkwụ mbụ na mgbako bụ ịgbasa akụkụ nke 2/3 n'otu oge ahụ. Dịka ọmụmaatụ: ọ bụrụ na a na-agbasa akụkụ nke akụkụ 14 n'otu oge, akụkụ ahụ bụ 28/42; ọ bụrụ na a gbasaa ugboro 10 n'otu oge, akara bụ 20/30; ọ bụrụ na a gbasaa ugboro 13 n'otu oge ahụ, akara ahụ bụ 26/39 ... A ga-ahọrọ ọtụtụ mgbasawanye nke ọnụ ụzọ nkewa dị ka ọnụ ọgụgụ nke oghere dị na indexing efere.
N'oge a, ị kwesịrị ịṅa ntị na:
① Ọnụ ọgụgụ nke oghere ahọpụtara maka efere indexing ga-ekewa site na denominator 3. Dịka ọmụmaatụ, na ihe atụ gara aga, oghere 42 bụ 14 ugboro 3, oghere 30 bụ 10 ugboro 3, 39 bụ 13 ugboro 3 ...
② Mgbasa nke ntakiri ga-abụrịrị nke na a na-agbasa ọnụọgụ na ọnụ ọgụgụ n'otu oge ma akụkụ ha nhata na-anọgide na-agbanweghị, dịka na ọmụmaatụ.
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)
A na-edepụta akara 42 nke 28/42 site na iji oghere 42 nke nọmba ndeksi; ọnụọgụgụ 28 na-aga n'ihu na oghere ntinye nke wiil elu wee tụgharịa site na oghere 28, ya bụ, oghere 29 bụ oghere nke oghere nke wiil dị ugbu a, na 20/30 nọ na 30 A na-atụgharị efere ntụnye oghere n'ihu. na oghere nke iri ma ọ bụ oghere nke iri na otu bụ oghere n'ọnọdu nke epicycle. 26/39 bụ oghere n'ọnọdu nke epicycle ka atụgharịchara efere indexing oghere 39 na oghere nke 26 bụ oghere nke iri abụọ na asaa.
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Mgbe ị na-egwe ọka isii square (akụkụ isii hà nhata), ị nwere ike iji oghere 42, oghere 30, oghere 39 na oghere ndị ọzọ na-ekewa 3 dị ka indexes: ọrụ ahụ bụ ịgbanye aka 6 ugboro, wee gaa n'ihu na nhazi. oghere nke wheel elu. Mgbe ahụ tụgharịa 28+1/10+1/26+! oghere ruo oghere 29/11/27 dị ka oghere n'ọnọdu nke epicycle.
Ọmụmaatụ 2: Mgbakọ maka igwe igwe ihe nwere ezé iri na ise.
Dochie n'ime usoro: n=40/15
Gbakọọ n=2(2/3)
Tụgharịa okirikiri abụọ zuru oke wee họrọ oghere ntụnye nke ga-ekewa site na 3, dị ka 24, 30, 39, 42.51.54.57, 66, wdg. wee tụgharịa gaa n'ihu na efere orifice 16, 20, 26, 28, 34, 36, 38 , 44 Tinye 1 oghere, ya bụ oghere 17, 21, 27, 29, 35, 37, 39, na 45 dị ka oghere oghere nke epicycle.
Ọmụmaatụ 3: Ngụkọ nke indexing maka egwe ọka 82 ezé.
Dochie n'ime usoro: n=40/82
Gbakọọ n=20/41
Nke ahụ bụ: họrọ naanị efere ntụnye oghere 41, wee tụgharịa oghere 20+1 ma ọ bụ 21 n'elu oghere n'ọkwa wheel dị ka oghere nke wiil ugbu a.
Ọmụmaatụ 4: Ngụkọ ndepụta maka igwe igwe ezé 51
Dochie usoro n=40/51. Ebe ọ bụ na enweghị ike ịgbakọ akara ahụ n'oge a, naanị ị nwere ike họrọ oghere ahụ ozugbo, ya bụ, họrọ efere indexing nke oghere 51, wee tụgharịa 51 + 1 ma ọ bụ 52 oghere na oghere nke elu wheel dị ka oghere ntinye wiil ugbu a. . Ya bụ.
Ọmụmaatụ 5: Ngụkọ nke indexing maka egwe ọka 100 ezé.
Dochie n'ime usoro n=40/100
Gbakọọ n=4/10=12/30
Ya bụ, họrọ efere indexing nke oghere 30, wee tụgharịa oghere 12 + 1 ma ọ bụ 13 n'elu oghere nke elu wheel dị ka oghere oghere nke wiil ugbu a.
Ọ bụrụ na efere indexing niile enweghị ọnụ ọgụgụ nke oghere achọrọ maka mgbako, a ga-eji usoro ntinye ihe ntinye ihe maka mgbako, nke na-adịghị etinye na usoro nchịkọta a. N'ime mmepụta n'ezie, a na-ejikarị gia hobbing eme ihe, n'ihi na arụ ọrụ n'ezie mgbe mkpokọta indexing na-arụ ọrụ adịghị mma.
6. Usoro mgbako maka hexagon edere na okirikiri
① Chọta akụkụ isii na-emegide nke okirikiri D (S elu)
S=0.866D bụ dayameta × 0.866 (ọnụọgụ)
② Chọta dayameta nke gburugburu (D) site na akụkụ nke ọzọ nke hexagon (S elu)
D=1.1547S bụ akụkụ nke ọzọ × 1.1547 (ọnụọgụ)
7. Usoro mgbako maka akụkụ isii megidere ya na diagonals na usoro isiokwu oyi
① Chọta akụkụ nke ọzọ (S) nke mpụta hexagon ka ịchọta akụkụ nke ọzọ e
e = 1.13s bụ akụkụ nke ọzọ × 1.13
② Chọta akụkụ na-abụghị (e) nke hexagon dị n'ime site na akụkụ nke ọzọ (s)
e = 1.14s bụ akụkụ nke ọzọ × 1.14 (ọnụọgụ)
③ Gbakọọ dayameta isi ihe dị n'akụkụ akụkụ (D) site n'akụkụ nke ọzọ (s) nke hexagon mpụta.
Ekwesịrị ịgbakọ dayameta nke okirikiri (D) dị ka (usoro nke abụọ na 6) akụkụ isii na-emegide ya (s-plane) yana uru etiti ya ga-abawanye nke ọma, ya bụ, D≥1.1547s. Enwere ike ịme atụmatụ ego etiti akwụ ụgwọ naanị.
8. Usoro mgbako maka square edere na okirikiri
① Chọta akụkụ nke ọzọ nke square (S elu) site na gburugburu (D)
S=0.7071D bụ dayameta × 0.7071
② Chọta okirikiri (D) site n'akụkụ nke ọzọ nke square anọ (S elu)
D = 1.414S bụ akụkụ nke ọzọ × 1.414
9. Usoro mgbako maka akụkụ anọ na-emegide onwe ya na akụkụ ndị ọzọ nke usoro isiokwu oyi
① Chọta akụkụ na-abụghị (e) nke akụkụ nke ọzọ (S) nke square mpụta
e=1.4s, ya bụ, akụkụ nke ọzọ (s) × 1.4 paramita
② Chọta akụkụ na-abụghị (e) nke akụkụ anọ dị n'ime (s)
e = 1.45s bụ akụkụ nke ọzọ (s) × 1.45 ọnụọgụ
10. Usoro mgbako nke olu hexagonal
s20.866 × H / m / k pụtara n'akụkụ akụkụ × akụkụ dị n'akụkụ × 0.866 × ịdị elu ma ọ bụ ọkpụrụkpụ.
11. Usoro mgbako maka olu cone gbajiri agbaji (cone)
0.262H (D2+d2+D ×d) bụ 0.262× ịdị elu ×(nnukwu isi dayameta × nnukwu isi dayameta+obere isi dayameta ×obere isi dayameta+ nnukwu isi dayameta ×obere isi dayameta).
12. Usoro mgbako olu nke ahụ na-efu efu (dị ka isi semicircular)
3.1416h2 (Rh/3) bụ 3.1416 × ịdị elu × elu × (radius-elu ÷3).
13. Usoro mgbako maka nhazi akụkụ nke taps maka eriri ime
1. Ngụkọta mgbata isi dayameta D0
D0=D+(0.866025P/8)×(0.5~1.3), ya bu, isi size nke nnukwu dayameta eri nke mgbata+0.866025 pitch÷8×0.5 ka 1.3.
Rịba ama: Nhọrọ nke 0.5 ruo 1.3 kwesịrị ịkwado dịka nha nke pitch. Ka ọnụ ahịa pitch buru ibu, ka ekwesịrị iji ọnụọgụ ọnụọgụ dị ntakịrị. Na ntụle,
Ka ọnụ ahịa pitch dị ntakịrị, ọnụọgụ ọnụọgụ ga-abawanye.
2. Ngụkọta dayameta ụda mgbata (D2)
D2=(3×0.866025P)/8 ya bụ, kpatụ pitch=3×0.866025×thread pitch÷8
3. Ngụkọta dayameta mgbata (D1)
D1=(5×0.866025P)/8 ya bụ, kpatụ dayameta=5×0.866025×thread pitch÷8
14. Mgbakọ usoro maka ogologo nke ihe eji oyi heading ịkpụzi dị iche iche shapes
Mara: Usoro maka olu okirikiri bụ dayameta × dayameta × 0.7854 × ogologo ma ọ bụ radius × radius × 3.1416 × ogologo. Nke ahụ bụ d2×0.7854×L ma ọ bụ R2×3.1416×L
Mgbe ị na-agbakọ, olu ihe achọrọ bụ X÷diameter ÷ dayameta ÷ 0.7854 ma ọ bụ X÷radius÷radius÷3.1416, nke bụ ogologo nri.
Usoro kọlụm=X/(3.1416R2) ma ọ bụ X/0.7854d2
X na usoro na-anọchi anya olu ihe achọrọ;
L na-anọchi anya uru ogologo nri n'ezie;
R/d na-anọchi anya ezigbo radius ma ọ bụ dayameta nke ihe a na-enye nri.
Oge nzipu: Nov-06-2023
