Countersinks ???????????????

Countersinks ????????????????????????????????????????????????????????????????????????????????????????????????, Countersink ??????? Countersink ?????

????????????????????????? countersinks, ???, ???????????????????????? ? ??????????????????????????????? ??????????????????????? countersunk ????????????????? countersunk ???????????????????????????????????????????????????????????? Countersink.

Countersinks ???????????????

????? countersinks ???????????????

?????????? Counterbore ??????????????????? Countersink ????????????????:

(1)?????????? Countersink: ????????????????? Countersink ???????????? Countersink COUNTERBORE ?????????????????????????????????????????????????????????????????????????? ???????????????????? countersinks ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????? Countersink ???????????????????

(2)???????? Countersink: ????????????????? Countersink ??? COUNTERBORE ????? ???????????????????????? countersunk ??????????????????????????????????? COUNTERBORE ????? (2φ) 60 °, 75 °, 90 °??? 120 °??????????????????????????? 90 ????

Countersinks ??????	Countersinks tapered
????? Countersinks ???????????????

(3) countersinks End: countersinks ????????????????????????? Countersink ????? ??????????????????? COUNTERBORE ?????????????????? Perpendicularity ????????????????????????????????? centerline ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

??????????????? countersinks ?????????????????????????????????????? COUNTERBORE ?????????????????????????????????????????????? Countersink

Countersinks End	?????? Countersinks ???????????????????????????????
????? countersinks ???????????????

Chinatungsten Online???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ???????????????????????????????????????????? [email protected], [email protected] .