Prawf Uchel Gadwyn Codi Alloy Dur G80
Prawf Uchel Gadwyn Codi Alloy Dur G80
Categori
Codi a lashing, cadwyn, cadwyn ddolen fer, codi cadwyn cyswllt crwn, cadwyn Gradd 80, cadwyn G80, sling cadwyn, cadwyni sling, cadwyn goddefgarwch canolig DIN 818-2 ar gyfer slingiau cadwyn Gradd 8, cadwyn dur aloi
Cais
Codi a lashing, llwythi codi, llwythi rhwymo
Gwneir cadwyni codi SCIC Gradd 80 (G80) yn unol â safonau EN 818-2, gyda dur aloi manganîs molybdenwm cromiwm nicel yn unol â safonau DIN 17115; weldio wedi'u dylunio'n dda / monitro & gwres-triniaeth sicrhau cadwyni priodweddau mecanyddol gan gynnwys grym prawf, torri grym, elongation & caledwch.
Ffigur 1: Gradd 80 dimensiynau cyswllt cadwyn
Tabl 1: Gradd 80 (G80) dimensiynau cadwyn, EN 818-2
| diamedr | traw | lled | pwysau uned | |||
| enwol | goddefgarwch | p (mm) | goddefgarwch | mewnol W1 | allanol W2 | |
| 6 | ± 0.24 | 18 | ± 0.5 | 7.8 | 22.2 | 0.8 |
| 7 | ± 0.28 | 21 | ± 0.6 | 9.1 | 25.9 | 1.1 |
| 8 | ± 0.32 | 24 | ± 0.7 | 10.4 | 29.6 | 1.4 |
| 10 | ± 0.4 | 30 | ± 0.9 | 13 | 37 | 2.2 |
| 13 | ± 0.52 | 39 | ± 1.2 | 16.9 | 48.1 | 4.1 |
| 16 | ± 0.64 | 48 | ± 1.4 | 20.8 | 59.2 | 6.2 |
| 18 | ± 0.9 | 54 | ± 1.6 | 23.4 | 66.6 | 8 |
| 19 | ±1 | 57 | ± 1.7 | 24.7 | 70.3 | 9 |
| 20 | ±1 | 60 | ± 1.8 | 26 | 74 | 9.9 |
| 22 | ± 1.1 | 66 | ± 2.0 | 28.6 | 81.4 | 12 |
| 23 | ± 1.2 | 69 | ± 2.1 | 29.9 | 85.1 | 13.1 |
| 24 | ± 1.2 | 72 | ± 2.1 | 30 | 84 | 14.5 |
| 25 | ± 1.3 | 75 | ± 2.2 | 32.5 | 92.5 | 15.6 |
| 26 | ± 1.3 | 78 | ± 2.3 | 33.8 | 96.2 | 16.8 |
| 28 | ± 1.4 | 84 | ± 2.5 | 36.4 | 104 | 19.5 |
| 30 | ± 1.5 | 90 | ± 2.7 | 37.5 | 105 | 22.1 |
| 32 | ± 1.6 | 96 | ± 2.9 | 41.6 | 118 | 25.4 |
| 36 | ± 1.8 | 108 | ± 3.2 | 46.8 | 133 | 32.1 |
| 38 | ± 1.9 | 114 | ± 3.4 | 49.4 | 140.6 | 35.8 |
| 40 | ±2 | 120 | ± 4.0 | 52 | 148 | 39.7 |
| 45 | ± 2.3 | 135 | ± 4.0 | 58.5 | 167 | 52.2 |
| 48 | ± 2.4 | 144 | ± 4.3 | 62.4 | 177.6 | 57.2 |
| 50 | ± 2.6 | 150 | ± 4.5 | 65 | 185 | 62 |
Tabl 2: Priodweddau mecanyddol cadwyn Gradd 80 (G80), EN 818-2
| diamedr | terfyn llwyth gweithio | grym prawf gweithgynhyrchu | min. grym torri |
| 6 | 1.12 | 28.3 | 45.2 |
| 7 | 1.5 | 38.5 | 61.6 |
| 8 | 2 | 50.3 | 80.4 |
| 10 | 3.15 | 78.5 | 126 |
| 13 | 5.3 | 133 | 212 |
| 16 | 8 | 201 | 322 |
| 18 | 10 | 254 | 407 |
| 19 | 11.2 | 284 | 454 |
| 20 | 12.5 | 314 | 503 |
| 22 | 15 | 380 | 608 |
| 23 | 16 | 415 | 665 |
| 24 | 18 | 452 | 723 |
| 25 | 20 | 491 | 785 |
| 26 | 21.2 | 531 | 850 |
| 28 | 25 | 616 | 985 |
| 30 | 28 | 706 | 1130 |
| 32 | 31.5 | 804 | 1290 |
| 36 | 40 | 1020 | 1630. llarieidd-dra eg |
| 38 | 45 | 1130 | 1810. llarieidd-dra eg |
| 40 | 50 | 1260. llarieidd-dra eg | 2010 |
| 45 | 63 | 1590 | 2540 |
| 48 | 72 | 1800. llathredd eg | 2890 |
| 50 | 78.5 | 1963 | 3140. llarieidd-dra eg |
| nodiadau: lleiafswm yw'r elongation terfynol wrth dorri grym. 20%; | |||
| newid Terfyn Llwyth Gwaith mewn perthynas â thymheredd | |
| Tymheredd (°C) | WLL % |
| -40 i 200 | 100% |
| 200 i 300 | 90% |
| 300 i 400 | 75% |
| dros 400 | annerbyniol |
