N'elu roughness

The elu roughness bụ otu n'ime ndị isi ibiere eleru ike nke akụkụ. Mbibi chere ihu ibe n'okpuru nduzi nke agbanwe ibu ruru ka a ukwuu ruo n'ókè nke nchegbu ịta. Nke ikpeazụ, n'aka,-adị mgbe e nwere ụfọdụ. The ala elu roughness, na ala ihe gbasara nke puru nke guzobere cracks ruru metal ike ọgwụgwụ. Nhazi akụkụ (gụchara, polishing, lapping, wdg) na-eme ka a dị ịrịba ama-abawanye nke ike ọgwụgwụ ike ịgba.

The ala elu roughness, mma anticorrosion Njirimara nke ihe. Nke a dị mkpa karịsịa mgbe ebe nhazi nke ngwaahịa bụ ekwe omume ime ihe na-echebe mkpuchi. Ndị dị otú ahụ n'ụzọ zuru ezu, akpan akpan, nwere ike ekewet engine cylinders.

Low elu roughness dị mkpa nke ukwuu na pairings na izute ọnọdụ nke thermal conductivity, tightness. A na-enwekwu ike iji na-egosipụta akpa, ìhè na ultrasonic ife. Na mgbakwunye, na ọnwụ na-aghọ nta karịa akpa ume na resonating systems waveguides-aghọ ala capacitance electrodes; mbelata dị ka gas absorption na outgassing na agụụ ngwaọrụ na-facilitated, si otú nhicha akụkụ nke adsorbed ájá ahụ, Alụlụụ, gas.

Eleru n'elu quality ọkachamara kwuru nghazi edoghi kpụrụ mgbe machining ma ọ bụ ndị ọzọ ọgwụgwọ. Nke a akụrụngwa nwere mmetụta ogo ike nke pịa njikọ, landings n'aka anwụ ngwa ngwa. Mmebe ga-atụle n'isiokwu na-elekwasị anya ọrịa strok na oké egwu ikpe. Ndị dị otú ahụ a mkpa nwere ike ihe atụ, bilie na njikọ na direction nke ije nke ugboelu nke gas ma ọ bụ mmiri mmiri na workpiece ma ọ bụ nduzi nke ikwu ngagharị (eji) nke conjugates. Belata wear na kacha nta ekwe omume mgbe abịa ntụziaka nke mkpumkpu akụkụ na a eji direction.

The waviness nke elu na a ala roughness mgbe niile izute elu kpomkwem na bụ n'ihi bụghị nanị na-na-arụ ọrụ ọnọdụ nke conjugate ọcha, ma na-na ọ dị mkpa iji nweta a pụrụ ịdabere na ya pụta maka nha na n'ichepụta. Dị otú ahụ workpieces nwere ike iji mee ka ngwaahịa mara mma anya ma ọ bụ na-enye na mma nke ọdịnaya ihe onye dị ọcha.

N'ihe nke elu roughness na rụrụ ma ọ bụrụ na ọ dị mkpa. Indicators na-setịpụrụ dị na ọtọ nzube nke ngwaahịa. Ọ bụrụ na ihe ndị a chọrọ maka àgwà nkọwa na-adịghị mere, mgbe ahụ, na-achịkwa na-adịghị rụrụ na larịị nke roughness. Ọ ga-kwuru na ndị na-azọrọ na-adịghị na-agụnye ihe ntule nke ntụpọ (ọnụnọ nke shells, n'ihi na ihe atụ). Na nke a, mmejuputa akara nke elu roughness, akara mmetụta nke ntụpọ na-ekwe n'isi. Mgbe ụfọdụ, ihe ndị a chọrọ nwere ike ịtọ ka nke onye akụkụ nke otu.

roughness nwale e rụrụ na profaịlụ ụfọdụ (a transverse). Iji mepụta nke a sectional ụgbọelu. Na nzube nke kewara ndị ọzọ roughness ụfọdụ na dịtụ nnukwu nzọụkwụ, ya ule na rụrụ n'ime otu, kama mmachi ebe.

Quantification na normalisation a rụrụ site isii kwa. N'ihi ya, na-ewere n'ime akaụntụ atọ elu oke maka eleru elu roughness (Ra, Rz, Rmax), abụọ stepper (S, SM), na index, nke na-ekpebi ikwu ogologo nke support profaịlụ (TP).