Maererano nedata, mbambo dzezvipikiri dzakatanga kufarirwa muUnited States neEurope, asi muma1930, American Voss Foucault ndiye akatanga kunyorera patent. Kubva ipapo, mbambo dzezvipikiri dzakapararira pasi rose.
Mazuvano, patinogadzirisa nzwara dzedu, tinobvisa zvipikiri. Nekudaro, michina yekuchekesa mbambo yaive yakagadzirwa muzana remakore rechi20. Saka, vanhu vekare vaigadzira sei zvipikiri apo pakanga pasina zvokuchekesa zvipikiri? Nhasi, aYaQin diamond drill mutengesiichakuzivisai magadzirirwo ezvipikiri nevekare.
Sezvo chirevo chichienda: Vanhu vanokura bvudzi vakasununguka uye misumari inokura zvakasununguka. Kutaura zvazviri, kureba kwembambo kunoenderanawo nezera. Maererano nedheta, misumari yevacheche inokura inenge 0.7 mm pavhiki. Sezvavanokura, kukura kwavo kunowedzera. Mushure mevakuru, misumari inokura neavhareji ye 1 kusvika 1.4 mm pavhiki, asi vanhu vazhinji vanokura misumari yavo mushure memakore makumi matatu.
Mukuwedzera, misumari inokura nokukurumidza muzhizha, inononoka muchando, inokurumidza mangwanani, uye inononoka usiku. Kugara uchikwesha kuchakurumidzawo kukura kwembambo, saka vanhu vakajaira mbambo dzekurudyi vanokura nekukurumidza kupfuura avo vari kuruboshwe. Kukura kwembambo imwe neimwe haina kunyatsofanana, kazhinji kureba kwemunwe, kukurumidza kukura kwembambo.
Izvi zvakavanzika zvidiki zviri padivi pedu, asi vanhu vazhinji havana kuzviwana.
Mazuvano, kana nzwara dzevanhu dzakura, vanenge voshandisa zvipikiri zvekuchekeresa. Saka vanhu vekare vaigadzira sei zvipikiri apo pakanga pasina zvokuchekeresa zvipikiri? Daily Chinese Characters mupepeti akatarisa neruzivo ndokuwana mhinduro.
Maererano nezvinyorwa, vanhu vachiri muzera retsoko, kungofanana nemhuka dzomusango dzanhasi, dzakadai semhumhi, mbada, uye dindingwe, dzinokuya nzara dzadzo pahuni, hunde dzemiti, uye matombo. Nekudaro, mushure mekunge vanhu vatanga kushandisa maturusi, muStone Age, zvipikiri zvevanhu zvakatemwa pamatombo kana dombo rejecha.
Munguva yeBronze Age, vanhu vakatanga kukwenenzvera nzara dzavo pamapanga ebhuronzi. Gare gare, vanhu vakagadzira faira. Iri faira ririkure kure nefaira ranhasi, kureva kuti pane tunhu tudiki twakabuditsa pabronze, zvozokwiza pairi. Gare gare, vanhu vakawana chigero.
Parizvino, zvigero zvakafukunurwa mumakuva ekare eWestern Han Dynasty muLuoyang zvave zviripo kwemakore anopfuura 2,100. Muzana ramakore rechitanhatu AD, zvigero zvakaunzwa kuJapan kubva kuChina uye zvakatanga kugadzirwa uye kushandiswa zvakanyanya munguva yeEdo.
Usati wacheka zvipikiri, zvakanakisisa kubata ganda rakafa uye calluses pazvipikiri kuti zvipikiri zvikure zviri nani. TheYaQin diamond drillyakaputirwa neakasimba, asingasviki madhaimondi epolycrystalline uye akaiswa patsvimbo yesimbi isina tsvina, iyo inogona kukurumidza uye zvinobudirira kubvisa ganda rakafa uye calluses pazvipikiri. Inogonawo kushandiswa kurapa cuticle. Inogona kuva nemhando dzakasiyana dzemaumbirwo kuti ienderane nebasa rinodiwa.
Nguva yekutumira: Aug-20-2021