Karatasi ya Shaba
Utangulizi wa Bidhaa
Karatasi ya Shaba inayotokana na shaba ya kielektroniki, zinki na kufuatilia vipengele kama malighafi, kupitia usindikaji kwa ingot, kuviringisha moto, kuviringisha baridi, matibabu ya joto, kusafisha uso, kukata, kumalizia na kisha kufungasha. Utendaji wa michakato ya nyenzo, plastiki, mali ya mitambo, upinzani wa kutu, utendaji na bati nzuri. Imetumika sana katika umeme, magari, mawasiliano, vifaa, mapambo na tasnia zingine
Vigezo kuu vya Kiufundi
2-1 Muundo wa Kemikali
| Jina | Aloi No. | Muundo wa Kemikali (%, Max.) | ||||||||
| Cu | Fe | Pb | Al | Mn | Sn | Ni | Zn | Uchafu | ||
| Shaba | H96 | 95.0-97.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 |
| H90 | 88.0-91.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 | |
| H85 | 84.0-86.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 | |
| H70 | 68.5-71.5 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 | |
| H68 | 67.0-70.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 | |
| H65 | 63.5-68.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 | |
| H63 | 62.0-65.0 | 0.15 | 0.08 | --- | --- | --- | 0.5 | Rem | 0.5 | |
| H62 | 60.5-63.5 | 0.15 | 0.08 | --- | --- | --- | 0.5 | Rem | 0.5 | |
2-2 Jedwali la Aloi
| Jina | China | ISO | ASTM | JIS |
| Shaba | H96 | CuZn5 | C21000 | C2100 |
| H90 | CuZn10 | C22000 | C2200 | |
| H85 | CuZn15 | C23000 | C2300 | |
| H70 | CuZn30 | C26000 | C2600 | |
| H68 | --- | --- | --- | |
| H65 | CuZn35 | C27000 | C2700 | |
| H63 | CuZn37 | C27200 | C2720 | |
| H62 | CuZn40 | C28000 | C2800 |
Vipengele vya 2-3
2-3-1Kitengo cha Uainishaji: mm
| Jina | Aloi No.(Uchina) | Hasira | Ukubwa(mm) | ||
| Unene | Upana | Urefu | |||
| Shaba | H59 H62 H63 H65 H68 H70 | R | 4～8 | 600~1000 | ≤3000 |
| H62 H65 H68 | Y Y2 | 0.2 ~0.49 | 600 | 1000~2000 | |
| 0.5-3.0 | 600~1000 | 1000~3000 | |||
Alama ya hasira:O. Laini;1/4H. 1/4 Ngumu;1/2H. 1/2 Ngumu;H. Ngumu; EH. Ugumu sana;R. Moto Umevingirwa.
2-3-2 Kitengo cha Kuvumiliana: mm
| Unene | Upana | |||||
| Unene Ruhusu Mkengeuko ± | Upana Ruhusu Mkengeuko ± | |||||
| ＜400 | 600 | ＜1000 | ＜400 | 600 | ＜1000 | |
| 0.5~0.8 | 0.035 | 0.050 | 0.080 | 0.3 | 0.3 | 1.5 |
| 0.8~1.2 | 0.040 | 0.060 | 0.090 | 0.3 | 0.5 | 1.5 |
| 1.2~2.0 | 0.050 | 0.080 | 0.100 | 0.3 | 0.5 | 2.5 |
| 2.0~3.2 | 0.060 | 0.100 | 0.120 | 0.5 | 0.5 | 2.5 |
| Hasira | Nguvu ya Mkazo N/mm2 | Kurefusha ≥% | Ugumu HV | |
| M | (O) | ≥290 | 35 | --- |
| Y4 | (1/4H) | 325-410 | 30 | 75-125 |
| Y2 | (1/2H) | 340-470 | 20 | 85-145 |
| Y | (H) | 390-630 | 10 | 105-175 |
| T | (EH) | ≥490 | 2.5 | ≥145 |
| R | --- | --- | --- | |
Alama ya hasira:M. Laini;Y4. 1/4 Ngumu;Y2. Ngumu;Y. Ngumu; T. Ngumu sana.
Mbinu ya Utengenezaji
