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trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC
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trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC

Am scaoilte£º2024-07-25     L¨ªon na n- amhairc :


Is cine¨¢l trealaimh ¨¦ trealamh Worm a dh¨¦anann measc le measc agus a bhfuil pr¨®if¨ªl speisialta fiann aige. Cuireann g¨¦archl¨¢r hobbing i gcr¨ªch go ginear¨¢lta an gearrtha a ghearradh ar ghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrianghrian Le d¨¦ana¨ª, d' fhiosraigh cairde conas an uillinn suite¨¢la a choigeart¨² agus na r¨¦amhch¨²raim¨ª a bheidh le d¨¦anamh nuair a dh¨¦antar trealaimh worm a mheicni¨² le gearrth¨®ir¨ª rollaithe. Inniu, labhairt ar an ¨¢bhar seo.

trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic1)

Nuair a dh¨¦antar trealaimh chr¨ªochnaitheacha worm a mhonar¨², is f¨¦idir trealamh a thabhairt i gcr¨ªch tar ¨¦is trealamh a thabhairt i gcr¨ªch n¨® gearr a ghearradh.

Gl¨¦as Hobbing trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic2)

Nuair a ¨²s¨¢idtear gearrth¨®ir roll¨¢la gearra worm le paraim¨¦adair bhun¨²sacha c¨¦anna leis an bhfoirm oibre, gearra¨ªtear an pr¨®if¨ªl fiann de r¨¦ir phrionsabal an mhodha ghini¨²ch¨¢in. M¨¢ ¨²s¨¢idtear an modh fotha radalta chun gearr a rolladh, an gearrth¨®ir rollaithe agus an p¨ªosa oibre a roll ¨² i bp¨¦ire de r¨¦ir c¨®imheas trasdula Z 2/Z 1 (is ¨¦ Z 1 l¨ªon na sn¨¢itheanna ar an gcoirm oibre, is ¨¦ Z 2 l¨ªon na bhfoinne ar an roth worm), ag teacht i gceangal go comhlean¨²nach go dt¨ª go mbeidh an fad l¨¢rnach cothrom leis an bhfad l¨¢rnach nuair a bheidh an m¨¦arch oibre agus an m¨¦arch roth worm. Agus an modh fotha ¨¢bhartha ¨¢ ¨²s¨¢id aige le haghaidh hobbing trealaimh, i dteannta rothl¨² uirlis¨ª a ¨¢irithi¨², n¨ª m¨®r fotha ais a bheith ag an uirlis mheais¨ªne freisin; ag an am c¨¦anna, n¨ª m¨®r do chl¨¢r oibre an uirlis mheais¨ªne rothl¨² breise comhfhreagrach a mh¨¦ad¨² freisin chun gluaiseacht ghini¨²ch¨¢in a bhaint amach, a ¨¦il¨ªonn ¨²s¨¢id slabhra¨ª D¨¢ bhr¨ª sin, is gn¨¢ch nach bhfuil cruinneacht mheicni¨²ch¨¢in an mhodh fotha ¨¢bhartha chomh maith le modh fotha radalta, ach t¨¢ c¨¢il¨ªocht dromchla na fiann n¨ªos fearr agus n¨ª bheidh feinim¨¦an gearrtha fr¨¦amh ann. Is f¨¦idir leibh¨¦al 6-8 (JB162-60) a bhaint amach i gcoitinne le cruinneas trealaimh na bhfoirme a rolladh agus a ghearradh. T¨¢ g¨¢ le h¨²s¨¢id trealaimh mionsonraithe a bhaineann le gearra¨ª mionsonraithe le h¨²s¨¢id gearra¨ª mionsonraithe ar mheais¨ªn¨ª mionsonraithe mionsonraithe mionsonraithe. Is f¨¦idir feist¨ª ceartaithe earr¨¢id¨ª slabhra trasdula meicni¨²la n¨® leictreonacha a shuite¨¢il freisin ar mheais¨ªn¨ª mionsonraithe chun cruinneas meicni¨²la a fheabhs¨², le cruinneas m¨¢ine¨¢la uasta suas le leibh¨¦al 3.

Name

T¨¢ scian eitilte coibh¨¦iseach le fiann amh¨¢in de ghearrth¨®ir rollaithe trealaimh worm. N¨ª fh¨¦adfaidh gearrtha scian eitilte ach modh fotha ¨¢bhartha a ¨²s¨¢id. Ar an mheais¨ªn hobbing, is f¨¦idir leis an scian eitilte rothl¨² amh¨¢in agus is f¨¦idir le roth worm rothl¨² Z 1 fiann. Ina theannta sin, is f¨¦idir le fotha ¨¢bhartha an scian eitilte agus rothl¨² breise an t¨¢bla oibre pr¨®if¨ªl fiann cheart a ghearradh freisin de r¨¦ir phrionsabal an mhodh d¨ªfholaithe, le cruinneas 7- 8 leibh¨¦al. Is ¨¦asca sci¨²in eitilte a mhonar¨², ach t¨¢ t¨¢irgi¨²lacht ¨ªseal acu maidir le fianna a ghearradh, rud a chuireann siad oiri¨²nach chun iad a ¨²s¨¢id i dt¨¢irgeadh p¨ªosa amh¨¢in agus i obair deisithe.

trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic3)

Is ionann na bunpharaim¨¦adair den ghearrth¨®ir sciathraithe trealaimh agus na paraim¨¦adair den orm oibre. Is gn¨¢ch go nd¨¦anfar sci¨²radh trealaimh an mh¨ªochair tr¨ª mheais¨ªn sci¨²raithe, a d¡¯fh¨¦adfadh s¨¦ a thiom¨¢int ag gearrth¨®ir sci¨²raithe chun sci¨²radh saor a dh¨¦anamh ar na fianna sci¨²raithe an mh¨ªochair, n¨® sci¨²radh go f¨®rsach na fianna faoi rial¨² an slabhra trasdula uirlis¨ª an mheais¨ªne, rud a fheabhsa¨ªonn c¨¢il¨ªocht agus cruinneas dromchla na fianna tar ¨¦is sci¨²radh.

Tar ¨¦is fianais an ghairme worm a hon¨² agus a mhilli¨² n¨® iad a ghearradh le scian eitilte, d'fhonn c¨¢il¨ªocht dromchla na fianaise a fheabhs¨² agus d'fhonn teagmh¨¢il idir an ghairme worm agus an ghairme worm le linn mas¨², hon¨² n¨® mhilli¨² a dh¨¦anamh ar an meais¨ªn hobbing. Is ¨¦ard at¨¢ i uirlis¨ª honing n¨¢ worm honing a dh¨¦antar tr¨ª mheascadh de bhraisce, pl¨¢stach, agus ra¨ªs a chaitheamh ar shubstr¨¢t. Le linn scillithe trealaimh, ¨²s¨¢idtear worm scillithe a dh¨¦antar d' iarann chaitheamh chun an roth worm a scilli¨² le braisce.

Is modhanna pr¨®ise¨¢la ¨¦ags¨²la iad na modhanna thuas le haghaidh trealaimh worm. Is ¨¦ an t¨¦ama at¨¢ ann inniu: conas a shuite¨¢il an gearrth¨®ir rollaithe trealaimh worm le linn trealaimh worm a roll¨² agus a ghearradh, agus cad saincheisteanna a chuirfear aird ar nuair a rolltar agus a ghearradh:

Giuirl¨¦id earraigh ghearrtha rolla 1. Giuirl¨¦id earraigh rothla gn¨¢th

trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic4)

De ghnghnghnghnd, nuaagus agus geargeargeargeargeargeargeargeargeargeargear worm a phphphphr¨®r¨®r¨®tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢tr¨¢thathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathathaa ¨¢irithi¨² go nd¨¦anfar m¨¦asc ceart leis an trealamh worm.

Nuair a rollann gearr worm le gearr rollaithe go rialta, t¨¢ an gearr rollaithe i su¨ªomh oibre an gearra worm oibre, is ¨¦ sin, t¨¢ an uirlis i staid cothrom¨¢nach agus meallacha leis an gearr worm i sp¨¢s deimhneach c¨¦imnithe. Gearrann s¨¦ isteach go mall ¨®n dtreo rad¨¢la, agus nuair a shroicheann s¨¦ an fad l¨¢rnach oibre, cr¨ªochn¨®far na fianna rollaithe agus cr¨ªochn¨®far an gearr worm.

2. gearrth¨®ir¨ª roll¨¢la earra¨ª earra¨ª a bhfuil m¨¦ad¨² diam¨¦adair acu (gearrth¨®ir¨ª roll¨¢la earra¨ª a bhfuil m¨¦ad¨² ar diam¨¦adar seachtrach m¨®r), ach i dt¨¢irgeacht iarbh¨ªr, fuarthas amach go bhfuil ¨¦ifeacht mheasc¨¢la earra¨ª earra¨ª earra¨ª earra¨ª neamhsh¨¢sach go minic ag gearrth¨®ir¨ª roll¨¢la traidisi¨²nta, agus go bhfuil deacair freisin an torque trasdula a chomhl¨ªonadh leis na riachtanais at¨¢ ag s¨²il leo. Seo th¨ªos tugtar isteach gearr ar na saintr¨¦ithe, ar phrionsabail bhun¨²sacha deartha agus ar mhodhanna cearta ¨²s¨¢ide an ghearrthaisce rollaithe gearrai maoirse m¨¦adaithe.

Glacann an gearrth¨®ir rothlaithe earraigh m¨®rmh¨¦adair le dearadh na teoireachta teagmh¨¢la ¨¢iti¨²il, agus is beag¨¢n n¨ªos m¨® n¨¢ ciorcal picti¨²il an gearrth¨®ra rothlaithe n¨¢ ciorcal picti¨²il an earraigh oibre (nach d¨²bailte), mar sin i dteideal nach teagmh¨¢il ¨¢iti¨²il ¨¦ ach "teagmh¨¢il pointe". Mar sin f¨¦in, le linn luchtaithe agus ¨²s¨¢ide, de bharr d¨ªfhorm¨¢ide elastaigh, d¨¦antar teagmh¨¢il phointe i dteagmh¨¢il le dromchla ¨¢iti¨²il beag, agus t¨¢ dromchla teagmh¨¢la ¨¦illi

D¨¦anann an trasdul teagmh¨¢la pointe seo an m¨ªbhunt¨¢iste a bhaineann le droch-fheidhm¨ªocht l¨¦imhse¨¢la mar gheall ar l¨ªne teagmh¨¢la l¨¢ithreach an ph¨¦ire trealaimh earraigh l¨ªne teagmh¨¢la at¨¢ gar do threo luais choibhneasta, agus ar an gcaoi sin feabhas a chur ar ¨¦ifeacht¨²lacht trasdula an ch¨®rais rotha¨ª; Ar an taobh eile, mar gheall ar an ¨ªogaireacht laghdaithe ar ch¨¢il¨ªocht tarchurtha do mhonar¨² agus suite¨¢il earr¨¢id¨ª p¨¢ir¨ª trealaimh worm, laghda¨ªtear na ceanglais maidir le cruinneas monar¨² agus suite¨¢la p¨¢ir¨ª trealaimh worm. Ceada¨ªonn s¨¦ freisin go mbeidh n¨ªos m¨® ama athch¨²rs¨¢la ag an gearrth¨®ir roll¨¢la earraigh, agus saol ²õ±ð¾±°ù²ú³ó¨ª²õe an gearrth¨®ra roll¨¢la a fhad¨² go h¨¦ifeachtach. I gc¨¢sanna ¨¢irithe, is r¨®-bheag an ciorcal pitch den ghl¨¦as worm, rud a dh¨¦anann s¨¦ deacair an gearrth¨®ir rollaithe a mhonar¨² agus go bhfuil droch-neart aige.

(3) Buna¨ªtear prionsabal deartha an ghearrtha¨ª rothlaithe gearra worm a bhfuil m¨¦ad¨² ar diameter bunaithe ar phrionsabal mas¨¢la gearra h¨¦ilici¨²la, ionas go mbeidh gn¨¢thbhunchuid an ghearrtha¨ª rothlaigh bun¨²sach cothrom le prionsabal an ghearrtha¨ª oibre. Tar ¨¦is an diam¨¦adar a mh¨¦ad¨², fanann gn¨¢thongl an bhr¨²ise ag an gciongl bhun¨²sach pitch worm an ghearrth¨®ir rollaithe gan athr¨², mar at ¨¢ leis an gciongl oibre, fanann l¨ªon na gceann gan athr¨², agus is ¨¦ gn¨¢thongl an d¨¢ cheann c¨¦anna.

Go ginear¨¢lta, roghna¨ªtear an m¨¦ad¨² c¨¦atad¨¢in den chiorcal roinnte ar dt¨²s, agus t¨¢ roghn¨² an m¨¦ad¨² diam¨¦adair de ghn¨¢th bunaithe ar thr¨¦imhs¨ª agus taith¨ª. T¨¢ a mh¨¦id bainteach leis an gcine¨¢l trealaimh worm at¨¢ ¨¢ phr¨®ise¨¢il agus m¨¦id an limist¨¦ir teagmh¨¢la. Go ginear¨¢lta, nuair at¨¢ an trealaimh worm ceannteideal amh¨¢in, d¨¦antar an luach n¨ªos m¨® agus nuair at¨¢ s¨¦ ilcheannteideal, d¨¦antar an luach n¨ªos l¨². Ar nd¨®igh, is f¨¦idir ¨¦ a r¨ªomh freisin, ach t¨¢ an pr¨®iseas r¨ªomha coibhneasta.

An gaol idir an m¨¦ad¨² ar diam¨¦adar agus an limist¨¦ar teagmh¨¢la de trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic5)

trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic6)

De ghn¨¢th, t¨¢ an m¨¦ad¨² ar an diam¨¦adar go coibhneasach m¨®r agus bunaithe ar thaith¨ª, is f¨¦idir m¨¦ad¨² ar an diam¨¦adar 20% n¨® fi¨² n¨ªos m¨® a bhaint amach. ?irigh an m¨¦ad¨² ar an diam¨¦adar de r¨¦ir an cheanglais seo.

Tabhair faoi bhr¨¢id: gl¨¦as worm m x, ¦Á x (¦Á n), d (r), ¦Ë, n (i gc¨¢s ina bhfuil m an mod¨²l, ¦Á an uillinn bhr¨²ise, d an diam¨¦adar ciorcal pitch, r an rada, ¦Ë an uillinn sn¨¢ite, agus n l¨ªon na gceanna), agus leithead an gl¨¦as worm b2. L¨¦ir¨ªonn aon shuibscr¨ªbhinn in a bhfuil 'o' sa siombail uirlis ghearrtha, agus l¨¦ir¨ªonn aon shuibscr¨ªbhinn gan 'o' gearr worm oibre; Is ionann an shuibscr¨ªbhinn x an treo ais, n an gn¨¢ththreo, agus 2 an gearr worm.

Uillinn sp¨ªolach an orm: ¦Â=90- ¦Ë

M¨¢s Fr ¨¦ an m¨¦ad¨² ar rada¨ª pitch an ghearrtha¨ª rollaithe, agus is ¨¦ an m¨¦ad¨² ar rada¨ª pitch an ghearrtha¨ª rollaithe tar ¨¦is an diam¨¦adar a mh¨¦ad¨², ansin:

ro=r+Fr

cos ¦Âo=rcos ¦Â£©/ro

³¾³æ´Ç=³¾³æ²õ¾±²Ô¦Â/²õ¾±²Ô¦Â´Ç

Is ¨¦ an m¨¦ad¨² comhfhreagrach den fhad l¨¢rnach le linn hobbing gear:

¦¤´¡=¹ó°ù

Uillinn suite¨¢la hobbing gear: SA=¦Â 0- ¦Â

Tar ¨¦is an gearrth¨®ir rollaithe a athtalamh le shield, n¨ª m¨®r uillinn suite¨¢la a athr¨ªomh mar gheall ar laghd¨² diam¨¦adair seachtrach an gearrth¨®ra rollaithe. Go ginear¨¢lta, cuireann dearadh na gcurt¨®ir¨ª rollaithe san ¨¢ireamh saincheist na scillithe. Mar sin, sa phr¨®iseas deartha, cuirfear luach breise ¦¤ r (cumas br¨ªola, de ghn¨¢th thart ar 0.1M) leis an luach roimhe seo. Sa phointe seo:

°ù´Ç'=°ù´Ç+¦¤°ù

do'=2ro'

tan ¦Âo&# 39;=tan( ¦Âo)(ro+¦¤r)/ro

¦Ë´Ç'=90-¦Â´Ç'

¦¤´¡'=¹ó°ù+¦¤°ù

Ar an bpointe seo, ba cheart uillinn suite¨¢la a bheith: SA'= ¦Â-¦Âo'

(4) De r¨¦ir na bprionsabal deartha thuas, is ¨¦ an pr¨ªomhdifr¨ªocht idir an gearrth¨®ir rothlaithe earraigh m¨¦adaithe diam¨¦adair agus an gn¨¢thch¨²rth¨®ir rothlaithe nach bhfuil mod¨²l an gearrth¨®ir rothlaithe m¨¦adaithe diam¨¦adair cothrom a thuilleadh le mod¨²l an gearrth¨®ir bhunaidh earraigh, ach beag¨¢n n¨ªos l¨² n¨¢ mod¨²l an gearrth¨®ir bhunaidh earraigh; T¨¢ uillinn na sn¨¢ite difri¨²il freisin ¨®n luach bunaidh.

Difr¨ªochta¨ª strucht¨²racha idir gearrth¨®ir¨ª gearrtha maoirme m¨¦adaithe agus gearrth¨®ir¨ª traidisi¨²nta gearrtha maoirme

trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic7)

Difr¨ªochta¨ª i n-¨²s¨¢id gearrth¨®ir¨ª gearrtha maoirme m¨¦adaithe agus gearrth¨®ir¨ª traidisi¨²nta gearrtha maoirme

trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic8)

5. Treoracha maidir le h¨²s¨¢id an ghearrth¨®ir roll¨¢la earraigh m¨¦adaithe diam¨¦adair: Mar gheall ar an bhf¨ªric nach bhfuil uillinn sn¨¢ite an ghearrth¨®ir roll¨¢la earraigh earraigh m¨¦adaithe diam¨¦adair comhionann le uillinn sn¨¢ite an ghearrth¨®ir worm oibre a thuilleadh, n¨ª bheidh an scian a thuilleadh cothrom¨¢nach nuair a dh¨¦antar an gearr worm a mheicni¨², ach n¨ª m¨®r ¨¦ a choigeart¨² tr¨ª uillinn beag suite¨¢la (aird ar an tre N¨ªl fad l¨¢r an ghl¨¦is comhionann le fad l¨¢r an ghl¨¦is, ach beag¨¢n n¨ªos m¨® n¨¢ fad l¨¢r an ghl¨¦is. Tar ¨¦is an scilli¨², d¨¦anann diam¨¦adar an lamhaigh n¨ªos l¨² agus athra¨ªonn na paraim¨¦adair, mar thoradh ar athruithe sna m¨ªreanna thuas le linn gach pr¨®isis rollaithe. D¨¢ bhr¨ª sin, nuair a ¨²s¨¢idtear gearrth¨®ir rollaithe m¨¦adaithe diam¨¦adair le gearra¨ª maoirm, is g¨¢ na spota¨ª teagmh¨¢la a bhrath ar an gc¨¦ad gearr ormhaigh. Bunaithe ar choinn¨ªoll na bpoint¨ª teagmh¨¢la, is f¨¦idir uillinn suite¨¢la an gearrth¨®ra rollaithe a choigeart¨² chun a ¨¢irithi¨² go bhfuil spota¨ª teagmh¨¢la an gearra ormhaigh i l¨¢r an gearra ormhaigh sula dtos¨®idh s¨¦ go hoifigi¨²il an gearr

Chun a ¨¢irithi¨² go gcomhl¨ªonann uillinn na h¨¦ilice den trealamh worma a phr¨®ise¨¢iltear ag an gearrth¨®ir roll¨¢la m¨¦adaithe diam¨¦adra ceanglais an tarraingthe, n¨ª m¨®r d'inneachar an gearrth¨®ra roll¨¢la a rothl¨² tr¨ª uillinn nuair a suite¨¢iltear an gearrth¨®ir roll¨¢la m¨¦adaithe diam¨¦adra. Maidir le conas a athra¨ªonn na paraim¨¦adair phr¨®isis sin, sol¨¢thr¨®idh sol¨¢thr¨®ir¨ª uirlis¨ª i gcoitinne t¨¢bla coigeartaithe paraim¨¦adar.

Tabhair aird: (1) Tar ¨¦is an uirlis a mhilli¨², is g¨¢ luach trasmhara seachtrach an ghearrthara rollaithe a thomhas ar¨ªs.

(2) ?iritheoidh t¨² uillinn cheart suite¨¢la agus fad l¨¢rnach.

(3) Faigh faoi bhr¨¢id na bpoint¨ª mallaithe agus coigeartaigh uillinn suite¨¢la ar bhealach tr¨¢th¨²il.

M¨¢s rud ¨¦ go raibh an t-alt seo cabhrach duit, tabhair cos¨²il leis. Go raibh maith agat!

Is Woodykissme m¨¦, agus roinntem ¨¢bhar a bhaineann le trasdul meicni¨²il agus pr¨®ise¨¢il trealaimh go rialta agam. T¨¢ s¨²il agam pl¨¦ a dh¨¦anamh le gach duine:

Modhanna deartha agus pr¨®ise¨¢la trealaimh, mar aon le saincheisteanna gaolmhara maidir le dearadh, monar¨² agus ¨²s¨¢id uirlis¨ª gearrtha a ¨²s¨¢idtear chun trealaimh a phr¨®ise¨¢il.

Modhanna deartha agus r¨ªomha le haghaidh uirlis¨ª gearrtha, forbairt cl¨¢r feidhmchl¨¢ir gaolmhara, forbairt theicni¨²il CAD agus saincheisteanna teicni¨²la a bhaineann le tarraingt uathoibr¨ªoch. I dt¨¦arma¨ª cur i bhfeidhm uirlis¨ª, na paraim¨¦adair ghearrtha, na c¨®t¨¢in agus saol ²õ±ð¾±°ù²ú³ó¨ª²õe an uirlis¨ª, chomh maith leis na fadhbanna a bh¨ª ag teacht ar aghaidh le linn machin¨¦ireachta agus a r¨¦itigh.

trealamh earraigh tarchurtha meicni¨²ch¨¢in CNC(pic9)