What is Engineering Drawing?
Engineering drawings are standardized terms, symbols, and graphic designs that express all the information required to produce a product or a component. The “engineering technology language” is used everywhere in the beginning.
What is the Purpose of Engineering Drawing?
Some specialized technical needs are difficult and complex to articulate in words. In this situation, a good-sized, properly scaled engineering drawing can make it simpler for the technician to comprehend and execute the design objective.
Tips to Make Engineering Drawing Simple
- Add Dimensions of Only Critical and Measurable Features
In CNC machining, the 3D model has every dimension required for production. Therefore, only key threading information and critical inspection measurements should be included in your mechanical drawing.
- Communicate hole-tapping needs with thread size and depth
It can be challenging to determine the precise thread depth. As a result, you should never dive below the depth call-out.
- Communicate assembly intent of critical features
You should add an assembly instruction in your engineering drawing if the production calls for machining the complete assembly.
- Part Numbers are Very Important to Mention
The source and part number should be listed on the drawing if installing hardware is required. The phrase “press-fit M4 dowel” alone does not provide any material details or machine shop dowel length.
- Optional Secondary Operation Call-Outs are Not Needed
It is advisable to seek separate pricing and lead time for non-critical secondary operations like polishing and anodizing. You will be able to estimate the additional expense and time with this method.
- Avoid Over-Dimension or Over-Tolerance on Your Designs
Only a small portion of a component’s attributes are often essential to its operation. You would therefore want the machinist to pay extra attention to these qualities. Critical features could be lost in the noise due to overdimension. Therefore, it’s crucial to only give tolerances to aspects that are necessary for the purpose.
- Tolerance Must Fall Within Standard Accuracy Levels
It’s crucial that you provide the proper amount of tolerance for your material. Don’t set tolerance standards that are less accurate than what can be achieved with hand metrology tools of common use. As a result, you ought to learn more about the starting dimensions employed at your selected machine shop, and you’ll be able to make better decisions as a result.
A large portion of a machinist’s work still involves engineering drafting. Up to 20% of the total design work time is spent on these drawings. This aids in accurately capturing all the geometrical characteristics of items and their parts. In this manner, you may be certain that manufacturers can create parts that satisfy particular requirements.
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Uchoraji wa Uhandisi ni Nini? Michoro ya uhandisi ni maneno, alama, na michoro ya picha ambazo huonyesha habari zote zinazohitajika kutengeneza bidhaa au sehemu. "Lugha ya teknolojia ya uhandisi" hutumiwa kila mahali mwanzoni. Ni Lini Kusudi la Michoro ya Uhandisi? Mahitaji fulani ya kiufundi ni magumu na magumu kueleza kwa maneno. Katika hali hii, mchoro mzuri wa uhandisi wa ukubwa mzuri na kiwango cha haki unaweza kufanya iwe rahisi kwa fundi kuelewa na kutekeleza lengo la kubuni. Kuongeza vipimo vya vipengele muhimu na vinavyoweza kupimwa tu: Katika mashine ya CNC, mfano wa 3D una vipimo vyote vinavyohitajika kwa uzalishaji. Kwa hiyo, tu muhimu threading habari na vipimo muhimu ukaguzi inapaswa kujumuishwa katika mchoro wako mitambo. -Kujadili mahitaji ya kuchimba mashimo na ukubwa wa thread na kina Inaweza kuwa changamoto kuamua kina sahihi cha thread. Kwa hiyo, hupaswi kamwe kupiga mbizi chini ya kiwango cha kina kinachohitajiwa. -Kujadili makusudi ya mkutano wa vipengele muhimu unapaswa kuongeza maagizo ya mkutano katika michoro yako ya uhandisi kama uzalishaji inahitaji machining mkutano kamili. - Sehemu Nambari ni muhimu sana kutaja Chanzo na sehemu namba inapaswa kuorodheshwa juu ya kuchora kama kufunga vifaa inahitajika. Maneno "press-fit M4 dowel" peke yake haitoi maelezo yoyote ya vifaa au urefu wa dowel ya duka la mashine. - hiari ya pili Operesheni Call-Outs si zinahitajika Ni vyema kutafuta tofauti bei na kuongoza muda kwa ajili ya shughuli zisizo muhimu ya sekondari kama polishing na anodizing. Utaweza kukadiria gharama ya ziada na wakati na njia hii. - Kuepuka Over-Dimension au Over-Tolerance juu ya miundo yako Sehemu ndogo tu ya sifa ya sehemu ni mara nyingi muhimu kwa operesheni yake. Kwa hiyo ungependa fundi wa mashine awe makini zaidi na sifa hizo. Vipengele muhimu inaweza kupotea katika kelele kutokana na overdimension. Kwa hiyo, ni muhimu tu kutoa uvumilivu kwa mambo ambayo ni muhimu kwa ajili ya kusudi. - Uvumilivu lazima kuanguka ndani ya viwango vya usahihi wa kawaida Ni muhimu kwamba wewe kutoa kiasi sahihi cha uvumilivu kwa ajili ya nyenzo yako. Je, si kuweka viwango vya uvumilivu ambayo ni chini ya sahihi kuliko nini inaweza kupatikana na zana mkono metrology ya matumizi ya kawaida. Kama matokeo, unapaswa kujifunza zaidi kuhusu vipimo vya kuanzia kutumika katika duka lako kuchaguliwa mashine, na wewe utakuwa na uwezo wa kufanya maamuzi bora kama matokeo. Sehemu kubwa ya kazi ya fundi wa mashine bado inahusisha uchoraji wa uhandisi. Zaidi ya 20% ya wakati wa jumla wa kazi ya kubuni hutumiwa kwenye michoro hii. Hii husaidia katika kukamata kwa usahihi sifa zote za kijiometri za vitu na sehemu zao. Kwa njia hii, unaweza kuwa na uhakika kwamba wazalishaji wanaweza kuunda sehemu ambazo zinatimiza mahitaji maalum. Karma.io inakuunganisha na mpenzi wako wa karibu na kukupatia wakati mzuri. Hii inaharakisha mchakato wako wa utengenezaji na kupunguza gharama yako ya jumla ya utengenezaji. Utaratibu huu unakusudia kukusaidia kuzingatia utengenezaji wa bidhaa bora. Kama unataka kupata utaalam kwa ajili ya mahitaji yako ya utengenezaji. Kuanza safari yako kwa kujiandikisha kwenye jukwaa letu la digital.