Vipimo vya mwongozo ni zana muhimu zinazotumika kutengeneza na kuvunja bomba. Kubadilisha taya za lug na hatua za latch zinaweza kurekebisha ukubwa tofauti wa utunzaji wa vitunguu. Zimeundwa na kutengenezwa kulingana na uainishaji wa API Spec 7K kwa vifaa vya kuchimba visima na vyema.
No.of latch lug taya | Hatua ya latch | Ukubwa wa ukubwa | Ilikadiriwa torque kn · m | |
katika | mm | |||
1# | 1 | 3-1/2 ~ 4-1/8 | 88.9 ~ 104.78 | 75 |
2 | 4-1/8 ~ 5 | 104.78 ~ 127 | ||
2# | 1 | 4-1/4 ~ 5-1/4 | 107.95 ~ 133.35 | |
2 | 5 ~ 5-3/4 | 127 ~ 146.05 | ||
3 | 6 ~ 6-3/4 | 152.4 ~ 171.45 | ||
3# | 1 | 6-5/8 ~ 7-1/4 | 168.28 ~ 184.15 | 75 |
2 | 7-3/8 ~ 8 | 187.33 ~ 203.2 | ||
3 | 8-1/2 ~ 9 | 215.9 ~ 228.6 | ||
4# | 1 | 9 ~ 9-5/8 | 228.6 ~ 244.48 | 55 |
2 | 10-5/8 ~ 10-3/4 | 269.88 ~ 273.05 | ||
5# | 1 | 11-3/4 | 298.45 | |
6# | 1 | 12-3/4 ~ 13 | 323.85 ~ 330.2 | 40 |
7# | 1 | 13-3/8 | 339.73 |