Dyletswydd Trwm Gradd G80 Aloi Haearn Galfanedig Rownd Dolen Cadwyn Llwyth Codi Weldiedig Cynnig Arbennig
Dyletswydd Trwm Gradd G80 Aloi Haearn Galfanedig Rownd Dolen Cadwyn Llwyth Codi Weldiedig Cynnig Arbennig
Categori
Cais
Cynhyrchion Cysylltiedig
Paramedr Cadwyn
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 |