12mm En818-8 High Level Strength Strength Alloy Lifting Chain for Hoist
12mm En818-8 High Level Strength Strength Alloy Lifting Chain for Hoist
Kāwai
Te whakauru i a maatau hua hou, 12mm En818-8 te kaha teitei o te mekameka hiki whakarewa. I hangaia tenei mekameka hiki ki te whakatutuki i nga whakaritenga whakaarahanga tino kaha me te aro ki te haumaru me te mauroa.
Ko te rahi o te mekameka 12mm ka taea e ia te hapai i nga kawenga taumaha me te pupuri i te kaha me te pumau. He mea tino pai mo te hiki miihini taumaha, taonga hanga, etahi atu mea taumaha ranei i roto i nga whare putunga, wheketere me nga waahi hanga.
He aha te mea motuhake o tenei mekameka ko tana whai ki te paerewa En818-8. Ko tenei paerewa o te ao ka whakarite kia tutuki nga mekameka ki nga paerewa kounga teitei me te haumaru. He mea hanga motuhake mo te hiki i nga tono me te whakamatau i nga whakamatautau hei whakarite i tona pono i roto i nga taiao tino wero.
Ko te kaha nui o te mekameka tetahi o ona ahuatanga matua. He mea hanga mai i te koranu motuhake e whakanui ana i tona kaha katoa me te mauroa, me te whakarite ka taea e ia te tu atu i nga kawenga tino taumaha me te kore e whakararu i te haumaru. Ma tenei ka tino pai mo nga mahi hiki taumaha.
Taupānga
Ko te haumaru te mea tuatahi mo nga taputapu hiki i nga wa katoa, a kaore tenei mekameka e pouri. I hoahoatia me nga ahuatanga haumaru penei i nga here haumaru kia mau tonu te utaina i roto i te huarahi hiki. Ko te kaha nui o te mekameka me te ū ki nga paerewa haumaru he pai te whiriwhiri mo tetahi mahi hiki.
I tua atu i tona kaha me nga ahuatanga haumaru, ko tenei mekameka hiki whakarewa he tino pai te parenga waikura me te mau kakahu. Ko te tikanga ko te mekameka ka mau tonu tana mahi ahakoa i roto i nga taiao kino, ka waiho hei haumi mo te wa roa.
Ko te whakakotahi i te rahi 12mm, te hanganga ture En818-8, te kaha teitei, te hanga koranu me te mauroa whakamihi, ko tenei mekameka hiki te tino whiriwhiri mo o hiahia hiki katoa. Whakawhirinaki ki tona kounga ka waiho kia pai ake, kia haumaru ake hoki o mahi hiki.
Hua e Pa ana
Tawhā mekameka
I runga i te hangarau hanga mekameka whakarewa SCIC G80 & G100, he pai ta matou whakaroa atu i ta matou rarangi hua ki te pai o te pai o te katakina te mekameka hoist Grade T (Momo T, DAT & DT), mo te whakamahi i roto i nga mekameka rangatū a-ringa me te mana kaha.
Whakaaturanga 1: he mekameka / hononga hono
Kī
| 1 | Whakawhitihia te raina waenganui o te hononga | l | ko te roanga o te reo maha |
| p | ko te pitch | dm | ko te diameter o nga rawa ka ine |
| ds | ko te diameter weld | e | ko te roa te rahinga e pa ana ki te whakapiri |
| w3 | ko te whanui o roto i te weld | w2 | ko te whanui o waho i runga i te weld |
Ripanga 1: mekameka whakaneke / rahi hono (mm)
| Nominal size dn | Material diamaketolerance | Pitch | Width | Gaugelengthof 11xpn | Wtawhito diamake ds max. | |||
| pn | tolerance1) | internal w3 min. | external w2 max. | l | tolerance1) | |||
| 4 | ±0.2 | 12 | 0.25 | 4.8 | 13.6 | 132 | 0.6 | 4.3 |
| 5 | ±0.2 | 15 | 0.3 | 6.0 | 17.0 | 165 | 0.8 | 5.4 |
| 6 | ±0.2 | 18 | 0.35 | 7.2 | 20.4 | 198 | 1.0 | 6.5 |
| 7 | ±0.3 | 21 | 0.4 | 8.4 | 23.8 | 231 | 1.1 | 7.6 |
| 8 | ±0.3 | 24 | 0.5 | 9.6 | 27.2 | 264 | 1.3 | 8.6 |
| 9 | ±0.4 | 27 | 0.5 | 10.8 | 30.6 | 297 | 1.4 | 9.7 |
| 10 | ±0.4 | 30 | 0.6 | 12.0 | 34.0 | 330 | 1.6 | 10.8 |
| 11 | ±0.4 | 33 | 0.6 | 13.2 | 37.4 | 363 | 1.7 | 11.9 |
| 12 | ±0.5 | 36 | 0.7 | 14.4 | 40.8 | 396 | 1.9 | 13.0 |
| 13 | ±0.5 | 39 | 0.8 | 15.6 | 44.2 | 429 | 2.1 | 14.0 |
| 14 | ±0.6 | 42 | 0.8 | 16.8 | 47.6 | 462 | 2.2 | 15.1 |
| 16 | ±0.6 | 48 | 0.9 | 19.2 | 54.4 | 528 | 2.5 | 17.3 |
| 18 | ±0.9 | 54 | 1.0 | 21.6 | 61.2 | 594 | 2.9 | 19.4 |
| 20 | ±1.0 | 60 | 1.2 | 24.0 | 68.0 | 660 | 3.2 | 21.6 |
| 22 | ±1.1 | 66 | 1.3 | 26.4 | 74.8 | 726 | 3.5 | 23.8 |
| 1)Thesetolerancesareusuallydividedinto+2/3and–1/3forbothtiaindividuallinkandthestandardgaugelength. | ||||||||
Ripanga 2: te tepe kawenga mahi o te mekameka (WLL)
| Nominal size dn mm | Chain type T t | Chain type DAT t | Chain type DT t |
| 4 5 6 | 0.5 0.8 1.1 | 0.4 0.63 0.9 | 0.25 0.4 0.56 |
| 7 8 9 | 1.5 2 2.5 | 1.2 1.6 2 | 0.75 1 1.25 |
| 10 11 12 | 3.2 3.8 4.5 | 2.5 3 3.6 | 1.6 1.9 2.2 |
| 13 14 16 | 5.3 6 8 | 4.2 5 6.3 | 2.6 3 4 |
| 18 20 22 | 10 12.5 15 | 8 10 12.5 | 5 6.3 7.5 |
| mean stress N/mm2 | 200 | 160 | 100 |
Ripanga 3: te hanga mekameka whakaneke i nga mana tohu me nga kaha pakaru
| Nominal size dn mm | Manufacturing proof force (MPF) kN mi roto. | Breaking force (BF) kN mi roto. |
| 4 | 12.6 | 20.1 |
| 5 | 19.6 | 31.4 |
| 6 | 28.3 | 45.2 |
| 7 | 38.5 | 61.6 |
| 8 | 50.3 | 80.4 |
| 9 | 63.6 | 102 |
| 10 | 78.5 | 126 |
| 11 | 95 | 152 |
| 12 | 113 | 181 |
| 13 | 133 | 212 |
| 14 | 154 | 246 |
| 16 | 201 | 322 |
| 18 | 254 | 407 |
| 20 | 314 | 503 |
| 22 | 380 | 608 |
Ripanga 4: te whakaroa mutunga me te pakeke o te mata
|
| hokist chain types | ||
| T | DAT | DT | |
| Total ultimate whakaroan A%min | 10 | 10 | 5 |
| Surface hardness min dn < 7 mm, HV 5 dn = 7 mm to 11 mm, HV 10 dn > 11 mm, HV 10 |
360 360 360 |
500 500 450 |
550 550 500 |
Te Tirohanga Pae
To Tatou Ratonga
