Bahlahisi ba DONGSHAO naheng ea China ba fana ka lihlahisoa tsa boleng bo holimo, o amohelehile ho reka li-Square Washers tsa boleng bo holimo ka theko e ntle.
Joaloka e mong oa baetsi ba litsebi, DONGSHAO e ka thabela ho u fa li-Washer tsa Square tsa boleng bo holimo. 'Me re tla u fa litšebeletso tse ntle ka ho fetisisa tsa ka mor'a ho rekisa le ho fana ka thepa ka nako. Li-washer tsa eona tsa lisekoere hangata li sebelisoa tšimong ea tlhahiso ea mechini le boenjiniere ba kaho, e sebelisetsoang ho hasanya kapa ho eketsa sebaka sa ho ikopanya le liboutu ho qoba kotsi e bakoang ke ho lokoloha ha liboutu le linate. Li-washer tsa rona tsa lisekoere li sebelisa tlhahlobo e tiileng ea thepa le taolo e phahameng ea tlhahiso e nepahetseng ho netefatsa botsitso le ts'epahalo ea tsona. Ka nako e ts'oanang, re fana ka ts'ehetso ea botekgeniki ea litsebi le phepelo e potlakileng le karabelo ea litšebeletso, e le hore bareki ba tiisehe le ho ba bonolo.
(mm) | Φ10 | F12 | F16 | Φ20 | F22 | F24 | F27 | Φ30 | F33 | F36 | F39 | F42 | F45 | F48 | F52 |
d mets | 11 | 13.5 | 17.5 | 22 | 24 | 26 | 30 | 33 | 36 | 39 | 42 | 45 | 48 | 52 | 56 |
d max | 11.43 | 13.93 | 18.2 | 22.84 | 24.84 | 26.84 | 30.84 | 34 | 37 | 40 | 43 | 46 | 49 | 53.2 | 57.2 |
s max | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 95 | 100 | 110 | 125 | 135 | 140 | 150 | 160 |
s min | 28.7 | 38.4 | 48.4 | 58.1 | 68.1 | 78.1 | 87.8 | 92.8 | 97.8 | 107.8 | 122.5 | 132.5 | 137.5 | 147.5 | 157.5 |
h max | 3.6 | 4.6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 9.2 | 9.2 | 9.2 | 9.2 | 11.2 | 11.2 |
h min | 2.4 | 3.4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6.8 | 6.8 | 6.8 | 6.8 | 8.8 | 8.8 |