\9312?s¨¢id le sn¨¢itheanna deiridh a machnamh ag G32:
Foramharc: Is sn¨¢itheanna dronuilleoga iad na sn¨¢itheanna deiridh, agus ¨²s¨¢ideann an chuck f¨¦inmhe¨¢nach (sn¨¢itheach diosca) den lathe an strucht¨²r seo. N¨ªl a not a ¨ªocht ch¨®id shonrach ag an gcine¨¢l seo, anota¨ªocht t¨¦acs de ghn¨¢th.
Is l¨¦ar¨¢id sc¨¦im¨¦adach ¨¦ F¨ªor 2- 8 den sn¨¢ithe deiridh aghaidh
![Uirlis mheais¨ªne CNC(pic1)](/uploads/allimg/20240502/3-2405020H021R1.png)
Is l¨¦ar¨¢n sc¨¦imeach ¨¦ F¨ªor (a) strucht¨²r forioml¨¢n na sn¨¢ite deiridh aghaidh, agus is l¨¦ar¨¢n p¨¢irteach m¨¦adaithe ¨¦ F¨ªor (b) den sn¨¢ite deiridh aghaidh. Sonra¨ªtear gur g¨¢ 0. 1 mm breise a chur nuair at¨¢ doimhneacht na sn¨¢ite n¨ªos l¨² n¨¢ 5 mm.
Treo rothlaithe na sn¨¢itheanna deiridh a chinneadh:
I gc¨¢s an phr¨ªomhfhuinneog ag troid ar aghaidh, t¨¢ troid ¨®n taobh amuigh chuig an taobh istigh le sn¨¢it ar dheis (ar dheis) agus is sn¨¢it ar chl¨¦ (ar dheis).
Form¨¢id an teagaisc: G32 X- F_ (Is ¨¦ X comhord¨² an phointe deiridh ghearrtha, is ¨¦ F ceann de na sn¨¢ite)
R¨¢iteas an chl¨¢ir (ach an rann¨¢n sn¨¢ithe den aghaidh deiridh)
G99 M3 S500 T0202; (Gearrth¨®ir Slot B=3mm)
G0 X100 M8;
Z-0.5;
G32 X40 F3.0;
G0 Z3;
X100;
Z-0.7;
G32 X40 (L¨¦ar¨¢id leithead an lamh 2-9) F3.0 ¨¢ chur san ¨¢ireamh;
G0 Z3;
X100;
Z-1.0;
G32 X40 F3.0;
G0 Z3;
X100;
Z-1.5;
G32 X40 F3.0;
G0 Z3;
X100;
Z-2.0;
G32 X40 F3.0;
G0 Z3;
X100;
Z-2.5;
G32 X40 F3.0;
G0 Z3;
X100;
Z-3.1;
G32 X40 F3.0;
G0 Z90;
M5;
M30;
![Uirlis mheais¨ªne CNC(pic2)](/uploads/allimg/20240502/3-2405020H024211.png)
N¨®ta: Ba cheart go mbeadh an su¨ªomh comhsheasmhach leis na huaire seo.
\\ 9313; Iontr¨¢il go Pr¨®ise¨¢il Thr¨¢id¨ª Athr¨®ga
?s¨¢id roinnt c¨®rais CNC int¨ªre, amhail Guangzhou CNC (GSK), teagaisc G32 nuair a dh¨¦antar sn¨¢itheanna athraitheacha pitch a dh¨¦anamh. Mar a thaispe¨¢ntar i bhfigi¨²ir 2-10:
![Uirlis mheais¨ªne CNC(pic3)](/uploads/allimg/20240502/3-2405020H026202.png)
F¨ªor 2- 10 L¨¦ar¨¢id sheasmhach de sh¨¢bh¨¢il athr¨®ga pitch
R¨ªomh uimhri¨²il:
Is ¨¦ 1.34=5.2 mm airde na fiann (luach diam¨¦adair) M274;
Is ¨¦ 1.312=15.6mm airde na fiann (luach diam¨¦adair) M2712;
T¨¢ airde na fiann bunaithe ar airde ¨ªosta na fiann:
Mar sin, is ¨¦ an diam¨¦adar mionsonraithe 27-5.2=21.8mm.
Agus sn¨¢itheanna piochta athraitheacha ¨¢ gcur, socr¨®far luas na sn¨¢itheanna le huasluas na sn¨¢itheanna (P=12).
R¨¢iteas an chl¨¢ir (rann¨®g amh¨¢in sn¨¢ithe)
G99 M3 S200 T0202;
G0 X30;
Z3;
X26;
G32 Z-20 F4.0;
G32 Z-56 F12;
G0 X30;
Z3;
X25.6;
G32 Z- 20 F4.0;
G32 Z- 56 F12;
;
G32 X30;
Z3;
X21. 8;
G32 Z- 20 F4;
G32 Z- 56 F12;
G0 X30;
Z90;
M5;
M30;
Tagra¨ªonn an t- amhail sn¨¢itheach pitch athraitheach luach pitch tagartha sonraithe F ag tos¨² ¨®n sn¨¢itheach a ghearrtar isteach, agus ansin d¨¦antar difr¨ªocht pitch K (m¨¦ad¨² n¨® laghd¨²) a ghini¨²int gach pitch eile
I roinnt c¨®rais CNC allmhairithe amhail FANUC, t¨¢ teagaisc shonrach G34 ann maidir le sn¨¢itheanna athr¨®ga pitch a mheicni¨².
Form¨¢id teagaisc: G34 X_Z_F_K_;
Is ionaid deiridphointe an sn¨¢ithe iad X agus Z, is ¨¦ F an ceannasach i dtreo na haise fada ag an bpointe tosaigh, is ¨¦ K an m¨¦ad¨² agus laghd¨² ar luach luach in aghaidh rothla na sn¨¢ithe, agus is ¨¦ raon na n-orduithe luach K 0.0001-500.000mm, mar a thaispe¨¢ntar sa fhigi¨²r seo a leanas.
![Uirlis mheais¨ªne CNC(pic4)](/uploads/allimg/20240502/3-2405020H02b52.png)
Mar shampla, is 5 mm ¨¦ an luach tosaigh, is 1 mm ¨¦ an m¨¦ad¨² tosaigh, is 50mm ¨¦ an fad sn¨¢ite, agus G34 Z-50 ¨¦ an cl¨¢r F5. K1.
¢Û Sn¨¢itheanna ilsn¨¢itheacha a phr¨®ise¨¢il
?s¨¢idtear sn¨¢itheanna ill¨ªnte i gcoitinne chun sn¨¢itheanna ill¨ªnte a tharchur agus is sn¨¢itheanna d¨ªreacha iad. Is f¨¦idir sn¨¢itheanna ill¨ªnte a mh¨²chadh CNC a dh¨¦anamh tr¨ª fhor¨²itin¨ª a ghlaoch tr¨ª G92 a ¨²s¨¢id. Taca¨ªonn uirlis¨ª r¨ªomhaire allmhairithe teagaisc G32 freisin le sn¨¢itheanna ill¨ªnte a mh¨²chadh, agus is f¨¦idir teagaisc G76 a ¨²s¨¢id freisin chun sn¨¢itheanna ill¨ªnte a mh
Glacann G92 fochr¨²tl¨ªn¨ª chun meicni¨² ilsn¨¢itheacha a phr¨®ise¨¢il mar a thaispe¨¢ntar i F¨ªor 2-11.
![Uirlis mheais¨ªne CNC(pic5)](/uploads/allimg/20240502/3-2405020H030123.png)
An bhr¨ª a l¨¦ir¨ªtear sa fhigi¨²r: M279/3
Idir na nithe sin, is ¨¦ M27 an diam¨¦adar ainmni¨²il, is ¨¦ 9 an luach sn¨¢ite, agus is ¨¦ 3 an pitch.
Mar gheall ar: lead=l¨ªon na l¨ªnte pitch, d¨¢ bhr¨ª sin: is ¨¦ seo sn¨¢id tr¨ª sreang.
R¨ªomh uimhri¨²il:
M¨¦adar m¨®r=27-0.133=26.61mm;
Mionmhar=27-1.33=23.1 mm;
R¨¢iteas an chl¨¢ir (rann¨®g amh¨¢in sn¨¢ithe)
Fochl¨¢r (O0046)
G92 X26 Z- 40 F9;
X25.7;
X25.4;
X25.2;
X25. 0;
;
X23. 1;
M99;
±è°ù¨ª´Ç³¾³ó³¦³ó±ô¨¢°ù
G99 M3 S700 T0202;
G0 X30 M8;
Z3;
M98 P0046;
G0 X30;
Z6;
M98 P0046;
G0 X30;
Z9;
M98 P0046;
G0 Z90;
M5;
M30;
Z3. Z6. Z9. M¨¦adaigh pitch amh¨¢in in aghaidh an shuite¨¢la (P=3)
Taca¨ªonn roinnt c¨®rais le gr¨¦as¨¢n G32 a dh¨¦anamh freisin le sn¨¢itheanna athraitheacha pitch
Form¨¢id teagaisc: G32 X_Z_F_Q_;
I gc¨¢s ina bhfuil X agus Z ionaid deiridphointe an sn¨¢ite, is ¨¦ F an sn¨¢ite luach, agus is ¨¦ Q an uillinn tosaigh an sn¨¢ite. Is ¨¦ an m¨¦ad¨² 0.001, n¨ª f¨¦idir pointe deach¨²lach a shonr¨²; M¨¢s rud ¨¦ go bhfuil sn¨¢itheach d¨²bailte ¨¢ phr¨®ise¨¢il agus go bhfuil 180 sn¨¢itheach comhfhreagrach ann, sonraigh Q180000
N¨ª luach m¨®dach ¨¦ uillinn tosaigh Q agus n¨ª m¨®r ¨¦ a shonr¨² gach uair, mura gcuirfidh an c¨®ras ¨¦ mar 0
T¨¢ meicni¨² ilsn¨¢itheacha ¨¦ifeachtach le haghaidh teagaisc G32, G34, G92 agus G76.
\ 9315Pr¨®ise¨¢ilsn¨¢itheanna trapezoidal
Ar sh¨¢bh¨¢il CNC, is f¨¦idir teagaisc maidir le timthriall ghearrtha sn¨¢itheanna G76 a ¨²s¨¢id chun sn¨¢itheanna trape¨®ideacha a mheais¨ªn¨ª ag baint ¨²s¨¢ide as modhanna amhail gearrtha oblaice agus c¨¦imnithe, ach t¨¢ deacrachta¨ª teicni¨²la ¨¢irithe ann. D¨¢ bhr¨ª sin, bunaithe ar taith¨ª fhadt¨¦armach praitici¨²il, forbra¨ªodh sraith r¨ªomhanna beachta de shonra¨ª cl¨¢rsceidealaithe a ¨²s¨¢ideann sraith foirml¨ª empirici¨²la. Tr¨ª teagaisc ghearrtha sn¨¢itheanna G32 a ¨²s¨¢id agus fo-ghn¨¢thanna a ghlaoch, agus modhanna s¨¢bh¨¢ilte a shocr¨² sna fo-ghn¨¢thanna, is f¨¦idir sn¨¢itheanna trape¨®ideacha c¨¢ilithe a phr¨®ise¨¢il go s¨¢
Anail¨ªs ar scileanna cl¨¢rsceidealaithe agus m¨¢ine¨¢la:
(1) Agus an lamh ¨¢ mhilli¨², tabhair aird ar a ¨¢irithi¨² go mbeidh uillinn ghearrthaobh na huirlise casadh comhsheasmhach leis an uillinn crutha fiann, agus n¨ª m¨®r leithead na huirlise ghearrthaobh a bheith n¨ªos l¨² n¨¢ leithead na bun f¨¢is.
(2) Bain triail as an bhfarraige idir na fianna le linn an phr¨®isis casadh a dh¨¦anamh go leor m¨®r chun a ¨¢irithi¨² go nd¨¦anfar cip a bhaint go r¨¦idh le imeall ghearrthaisce amh¨¢in den uirlis casadh. T¨¢ s¨¦ molta go mbeadh luath bunleithead sn¨¢ite trapezoidal de 1.7 mm le pitch 5 mm agus barr glasta an lamhaigh de 1.2-1.4 mm. D'fh¨¦adfadh barr iomarcach an lamhaigh a bheith r¨®bheag idir barr an lamhaigh agus an taobh fianaise, rud a dh¨¦anann s¨¦ deacair dramha¨ªola a bhaint agus is d¨®igh d¨®ibh gearrtha; Is f¨¦idir le leid uirlis¨ª r¨®-bheag laghd¨² a dh¨¦anamh ar dh¨ªcheall an leid uirlis¨ª, rud a d'fh¨¦adfadh ¨¦igean a dh¨¦anamh le h¨¦ascaill agus rud a bhaineann le drochmhainneacht an dromchla, rud a dh¨¦anann s¨¦ deacair an cruinneas a rial¨².
(3) Tabhair aird ar shu¨ªomh na huirlise casadh sula gcuirfear an sn¨¢itheach ar ais. Ba cheart go mbeadh an fad ¨® dheasc na huirlise go dt¨ª barr na fianna n¨ªos m¨® n¨¢ airde na fianna h. M¨¢ bh¨ªonn s¨¦ n¨ªos l¨² n¨¢ airde na fianna h, beidh s¨¦ ina ch¨²is le sruth¨² idir dheasc na huirlise agus barr na fianna sna sn¨¢itheacha le linn na c¨¦ime post-sn¨¢itheach, agus mar thoradh
(4) Fo-ghn¨¢thain a fhorbairt agus a ghlaoch, ar f¨¦idir fo-ghn¨¢thain amh¨¢in n¨® fo-ghn¨¢thain ¨¦ags¨²la a ¨²s¨¢id.
1. Sonra¨ª cl¨¢rsceidealaithe a r¨ªomh
(1) Luach an phointe su¨ªmh X den bholach=diam¨¦adar ainmni¨²il+(0.5P+ac) 2+1, ¨¢it is ¨¦ P an pic, is ¨¦ ac an t-imr¨¦iteach ar dheasc na fiann, agus is ¨¦ 0.5P+ac an t-airde na fiann. @ info: whatsthis
![Uirlis mheais¨ªne CNC(pic6)](/uploads/allimg/20240502/3-2405020H0301L.png)
(2) An ch¨¦ad luach X pointe ghearrtha, X=diam¨¦adar ainmni¨²il - me¨¢ndeviation of upper and lower parts -0.2
(3) Mionmhar=diam¨¦adar ainmni¨²il - (0. 5P+ac) 2
(4) breise¨¢n pr¨®ise¨¢la=(luach X an ch¨¦ad phointe ghearrtha - mionmh¨¦adar)/m¨¦id fotha X-treo (luach diam¨¨adar)+1
(5) luach U=X den phointe ¨¢iti¨²ch¨¢in folamh - luach X den ch¨¦ad phointe ghearrtha.
2. Conair ghearrtha: go ginear¨¢lta, ¨²s¨¢idtear an modh ghearrtha ar chl¨¦ agus ar dheis chun sn¨¢itheanna trape¨®ideacha a phr¨®ise¨¢il, agus is f¨¦idir na sn¨¢itheanna sin a bhfuil picti¨²ir beaga a roinnt i dtreo crua, taobh¨² leath-beacht agus taobh¨² beacht; Is f¨¦idir na cinn a bhfuil picti¨²ir mh¨®ra a roinnt i troid ghuais, troid leath ghuais, troid leath-beacht, agus troid beacht. Agus an modh gearrtha ar chl¨¦ agus ar dheis ¨¢ ¨²s¨¢id, nuair a ghlaonnar an fochruth¨¢n uair amh¨¢in, iontr¨¢il an uirlis casadh doimhneacht ghearrtha agus bogann s¨¦ buille amh¨¢in ar dheis tar ¨¦is uirlis amh¨¢in a casadh ar chl¨¦, agus ansin casadh s¨¦ uirlis eile. Agus an fochruth¨¢n ¨¢ ghlaoch ar¨ªs, iontr¨¢il an uirlis casadh doimhneacht eile agus bogann s¨¦ buille amh¨¢in ar dheis tar ¨¦is uirlis amh¨¢in a casadh ar chl¨¦, agus ansin casadh s¨¦ uirlis eile go
![Uirlis mheais¨ªne CNC(pic7)](/uploads/allimg/20240502/3-2405020H032413.png)
[Sampla de mh¨¦iseach¨¢n sn¨¢itheacha trapezoidal] Mar a thaispe¨¢ntar sa fhigi¨²r th¨ªos, is cuid de mh¨¦iseach¨¢n sn¨¢itheacha trapezoidal ¨¦.
![Uirlis mheais¨ªne CNC(pic8)](/uploads/allimg/20240502/3-2405020H034a1.png)
3. Sonra¨ª a r¨ªomh le haghaidh sn¨¢itheanna trape¨®ideacha a dh¨¦anamh
(1) Luach crua pointe su¨ªmh X
X=diam¨¦adar ainmni¨²il+(0.5P+ac) 2+1=36+(0.56+0.5) 2+1=44
(2) Seice¨¢il an t¨¢bla chun luachanna d¨ªobh¨¢il is airde agus is ¨ªsle den diam¨¦adar ainmni¨²il a chinneadh: is ¨¦ an d¨ªobh¨¢il is airde 0, is ¨¦ an d¨ªobh¨¢il is ¨ªsle - 0. 375 agus is ¨¦ an me¨¢nluach - 0. 2. Is ¨¦ luach X an ch¨¦ad phointe ghearrtha 36- 0. 2- 0. 2=35. 6
(3) Mionmhar=diam¨¦adar ainmni¨²il - (0. 5P+ac) 2=36- (0. 56+0. 5) 2=29.
(4) breise¨¢n pr¨®ise¨¢la=(luach X den ch¨¦ad phointe ghearrtha - mionmh¨¦adar)/m¨¦id fotha treo X (luach diam¨¨adar)+1=(35.9-29)/0.1+1=67
(5) U=Luach crua pointe su¨ªmh X - Luach an ch¨¦ad phointe ghearrtha X=44- 35. 6=8. 4
4. ?irigh m¨¦id na sn¨¢ite trapezoidal agus seice¨¢il an t¨¢bla chun a tolerance a chinneadh
M¨¦adar m¨®r D=36
De r¨¦ir an t¨¢bla, d ¨¦antar an tolaitheacht d a chinneadh mar d-0.5p=36-3=33, mar sin d=33
Airde na dtog h=0.5p+ac=3.5
Miom¨¦adar d=d, me¨¢n - 2h=29
Leithead crown f=0. 336p=2. 196
Bunleithead an deoch w=0. 366p 0. 536a=2. 196- 0. 268=1. 928
Ar bhonn taith¨ª, is r¨¦as¨²nta sn¨¢ithe trapezoidal a ¨²s¨¢id le leithead barr uirlis¨ª f=1.5 mm.
Leis slata tomhais 3.1 mm a ¨²s¨¢id chun diam¨¦adar l¨¢rnach a thomhas, cinntear an gn¨¦ tomhais M=d+4.864d-1.866p=36.88 agus an tolaitheacht (0-0.355) bunaithe ar an limist¨¦ar tolaitheachta diam¨¦adair l¨¢rnach, mar thoradh ar M=36.525-36.88
5. Scr¨ªobh cl¨¢ir CNC
G99 M3 S300 T0101;
G0 X44 Z8; (44 ¨¦ luach X an phointe ¨¢iti¨²ch¨¢in folamh)
M8;
M98 P470002; (Is ¨¦ l¨ªon na n-uirlis¨ª meicni¨²ch¨¢in garbh 47)
M98 P200003; (Is ¨¦ l¨ªon na n-uirlis¨ª meicni¨²ch¨¢in beachta 20)
M9;
G0 X100 Z100;
M30
Scr¨ªobh fo- ghn¨¢thanna machnaithe garbh
O0002
G0 U-8.4; (is ¨¦ 8. 4 an luach U)
G32 Z- 37 F6;
G0 U8.4;
Z7.7;
U-8.4;
G32 Z- 37 F6;
G0 U8.4;
Z8.3;
U-8.4;
G32 U0 Z- 37 F6;
G0 U8.3;
Z8;
M99;
Cl¨¢ir mheicni¨²ch¨¢in beachta ¨¢ scr¨ªobh
O0003;
G0 U-8.4;
G32 Z- 37 F6;
G0 U8.4;
Z7.9;
U-8.4;
G32 U0 Z- 37 F6;
G0 U8.4;
Z8.1;
U-8.4;
G32 U0 Z- 37 F6;
G0 U8.3;
Z8;
M99;
F¨¦adfar an p¨ªosa oibre thuasluaite a chl¨¢rsceideal¨² freisin le fochruth¨¢in G92.
±è°ù¨ª´Ç³¾³ó³¦³ó±ô¨¢°ù
@ info: whatsthis
G00 X44 Z6; (Sroicheann gearrth¨®ir na dtr¨¢id¨ª diam¨¦adar go tapa) ¦µ 44mm Aghaidh Deiridh Amach 3mm)
M98 P60002; (Glaonna c¨®ras O0002 fo-ghn¨¢th 6 uair)
M98 P80003; (Glaonna leath carra garbh O0003 fo-ghn¨¢th 8 uair)
M98 P80004; (Glacann carr leath-chr¨ªochnaitheach an ±è°ù¨ª´Ç³¾³ó³¦³ó±ô¨¢°ù O0004 fo-ghn¨¢th 8 uair)
M98 P80005; (Glaonna feithicl¨ª le carr O0005 fo-ghn¨¢th 8 uair)
G0 X100 Z100; (Filleann gearrth¨®ir na dtr¨¢id¨ª go tapa go dt¨ª an pointe tosaigh den chl¨¢r)
@ info: whatsthis
O0002 (Fo-ghn¨¢th carra crua)
G00 U-0.5; (Troim crua le gach doimhneacht fotha)
M98 P0006; (Fo-ghn¨¢th bun¨²sach O0006 ¨¢ ghlaoch)
M99; (Cr¨ªochna¨ªonn an fo- ghn¨¢th agus tugann s¨¦ ar ais go dt¨ª an ±è°ù¨ª´Ç³¾³ó³¦³ó±ô¨¢°ù)
O0003; (Foghn¨¢th carra leath garbh)
G00 U-0.3; (Troim leath garbh le gach doimhneacht fotha)
M98 P0006; (Fo-ghn¨¢th bun¨²sach O0006 ¨¢ ghlaoch)
M99; (Cr¨ªochna¨ªonn an fo- ghn¨¢th agus tugann s¨¦ ar ais go dt¨ª an ±è°ù¨ª´Ç³¾³ó³¦³ó±ô¨¢°ù)
O0004; (Fo- ghn¨¢th carra leathchruideachta)
G0 U-0.15; (Troim leath-beacht le gach doimhneacht fotha)
M98 P0006; (Fo-ghn¨¢th bun¨²sach O0006 ¨¢ ghlaoch)
M99; (Cr¨ªochna¨ªonn an fo- ghn¨¢th agus tugann s¨¦ ar ais go dt¨ª an ±è°ù¨ª´Ç³¾³ó³¦³ó±ô¨¢°ù)
O0005 (fo-ghn¨¢th carra beachta)
G0 U-0.05; (Beartas ag troid le gach doimhneacht fotha)
M98 P0006; (Fo-ghn¨¢th bun¨²sach O0006 ¨¢ ghlaoch)
M99; (Cr¨ªochna¨ªonn an fo- ghn¨¢th agus tugann s¨¦ ar ais go dt¨ª an ±è°ù¨ª´Ç³¾³ó³¦³ó±ô¨¢°ù)
O0006 (Fo- ghn¨¢th bun¨²sach)
G92 U- 8 Z- 37 F6; (Taobh cl¨¦ an sn¨¢ithe ¨¢ tharraingt)
G00 W0.43; (Bogann an scian sn¨¢itheaithe 0.43mm go tapa chun taobh an denta dheis a bhaint amach)
G92 U- 8 Z- 37 F6; (Taobh deas an sn¨¢ithe ¨¢ tharraingt)
G0 W-0.43; (Bog - 0. 43mm chun dul ar ais go dt¨ª an su¨ªomh ais ar an taobh cl¨¦ den sn¨¢it)
M99; (Cr¨ªochna¨ªonn an fo- ghn¨¢th agus tugann s¨¦ ar ais go dt¨ª an ±è°ù¨ª´Ç³¾³ó³¦³ó±ô¨¢°ù)
An f¨¦idir linn aird a thabhairt d¨® roinnt sula n-fh¨¢gann muid? Nuashonraigh f¨ªse¨¢in chl¨¢rsceidealaithe UG gach l¨¢.
![Uirlis mheais¨ªne CNC(pic9)](/uploads/allimg/20240502/3-2405020H034H2.png)