Piercing yog dab tsi?

Piercing yog qhov - ua. Cov xuas nrig ntaus los ntawm cov ntawv hlau thiab qhov txiav - tawm daim poob rau hauv qhov tuag. Blanking ua tib yam tab sis koj khaws cov khoom uas ntog tawm. Piercing koj khaws daim ntawv.

Clearance ntawm punch thiab tuag zaum nyob ib ncig ntawm 6% ib sab rau txias dov hlau ntawm 16 gauge. Thicker khoom xav tau ntau dua. Aluminium xav tau tsawg dua los yog koj tau txais ntau rollover ntawm qhov nkag. Stainless yog nws tus kheej qhov teeb meem.

Lub sheared ntug muaj plaub cheeb tsam. Rollover nyob rau sab saum toj uas cov khoom tau raug thawb mus ua ntej txiav pib. Burnish tsam yog qhov ci ntsa iab, tej zaum 30% ntawm tuab ntawm kev teeb tsa zoo. Fracture tsam hauv qab no qhov twg cov kab nrib pleb los ntawm punch sab thiab tuag sab ntsib nyob rau hauv nruab nrab. Burr hauv qab.

Punch Hnav

D2 ntawm 60-62 Rc tuav. Carbide rau txhua yam dhau ib lab lub voj voog tab sis koj xav tau cov xovxwm nruj. Hnav punches ua qhov loj dua. Lub txiav ntug rounds tawm thiab pib thawb cov khoom es tsis txhob shearing. Qhov txoj kab uas hla creeps li 0.02, 0.03 hli thiab tsis zoo pib rov qab los ntawm cov neeg siv khoom.

Resharpening yuav siv sij hawm 0.1 mus rau 0.2 hli ntawm lub ntsej muag txhua zaus. Tom qab tsib los yog rau qhov kev kho dua tshiab lub punch tau luv luv uas lub sij hawm stripper dhau los ua qhov teeb meem.

Slugs

Slug rub wrecks qhov chaw. Lub slug caij rau ntawm lub ntsej muag lub ntsej muag thiab tau stamped rau hauv kev ntaus tom ntej. Tso ib daim ntawv pov thawj los yog phem dua. Lub tshuab nqus tsev ntawm cov punch thiab slug tau txais kev thuam tab sis qhov nro ntawm qhov txiav roj ua nws ib yam nkaus. Hla-hatch sib tsoo ntawm lub ntsej muag lub ntsej muag pab. Ejector pins hauv qhov tuag pab ntau dua.

Me slugs phem tshaj qhov loj. Ib tug 3mm slug hnyav tsis muaj dab tsi thiab lo rau txhua yam. Cov slugs loj muaj qhov loj txaus kom poob meej.

Progressive tuag khiav 200 strokes ib feeb ua kom muaj ntau slugs. Lawv muab tso rau hauv qhov chaw seem. Chute angle tseem ceeb. Hauv qab 45 degrees thiab slugs stacks thiab jam.

Qhov chaw nyob

Kev ncua deb ntawm qhov chaw rau khoov kab yuav tsum yog 1.5 npaug ntawm cov khoom thickness yam tsawg kawg nkaus los yog lub qhov rub mus rau hauv lub oval thaum lub sij hawm tsim. Ntau rau siab -lub zog steel. Kev ncua deb ntawm lub qhov mus rau daim ntawv ntug, tib lub tswv yim. Nyob ze heev thiab cov punch tshuab tawm ntawm ntug es tsis txhob ua kom huv si.

Qhov rau qhov sib nrug yog nyob ntawm seb koj tuaj yeem tuav hauv lub vev xaib ntawm lawv. Ob thicknesses yog tus naj npawb neeg siv. Tighter tshaj qhov ntawd thiab lub sawb pib buckle ntawm chaw nres tsheb.

Pilots nrhiav txoj hlua ntawm txhua qhov chaw nres tsheb. Pilot qhov tau pierced ua ntej, pilots nkag ua ntej piercing punches. Pilot txoj kab uas hla khiav 0.02-0.03 hli nyob rau hauv nominal ces lawv yeej haum lub qhov tom qab ob peb txhiab hits ntawm hnav.