?????????? Polycrystalline Diamond Compact (PDC BIT) ???? ????? ??????? ??????, ?????? ?????? ??? ???. THE ????? PDC ???? ?????? ???? ???? ?????? ?????? ????? ?????, ??????? ?????????? ?????. ?????? ??????? ???? ???? ????????, ???? PDC ??????? ????? ????? ??? ????? ?????? ???, ???? ????? ???? ??????? ???? ??????? ???? ?? ????????.

???? ?????? ?????? ?? ???? ????? PDC ??? ?????? ?????? ?????? ??????, ????? ?????? ?????? ?????? ????? ????. ???? ?? ???? ????? ????? ?? ??????? ???????, ???????, ??????? ?????? ?????? ????? ???????? ?? ??????? ?? ????? PDC.

???? ??????? ?? ????? PDC

?????? ?????? ?????? ?? ??? PDC ?????? ????? ????? ??????? ?????? ???. ?? ???? ?????? ??? ???? ?? ???????, ????? ?? ?????? ?????? ?????? ????? ????? ????????.

????? ????

????? PDC ???? ??? ?????? ???????:

1. ??? ?????? -????? ?????? ?? ??? ?- PDC, ?????? ???? ??? ????? ???? ?? ???? ??? ?????? ??? ???? ????, ????? ?????? ??????? ???? ????.

2. ??????? ????? (????? PDC) - ????? ?????? ?? ????? ???? -??????, ??????? ?? ????? ?????? ?????? ?????? ?????? ???.

3. ?????? ?????? ????????? - ?????? ???? ?? ?????? ?????? ??????? ???????.

4. ???? ?? - ?????? ????? ?? ??? ???? ??????? ?? ??????? ??? ????? ???? ????? ?????? ?? ???? ????.

?????? ????? ?? ??????? ??????

?????? ?????? ?? ??? PDC ??????? ?????? PDC, ???????? ??????? ????? ???????? ?????? ??? ???? ???? ?????????. ??????? ??? ?? ??? ?????? ????? ???????? ?? ?????? ?????? ????:

• ???? ???? - ????? ??????? ?? ??????? ??? ????? ?? ????? ??????.

• ???? ???? ????? - ????? ????? ???? ???? ??????? ?? ??????? ?? ?????? ?????? ?? ?????????? ??????.

• ?????????? ?? ???? - ?????? ?????? ??????? ?? ????? ?? ??????? ?????? ?? ????.

????? ?????? ?????? ????????

?????? ?????????? ?????? ?? PDC ????? ????? ????? ?????? ?? ?????? ??????. ????? ??????? ????? ?????? ?????? ????:

• ???? ?? ??????? - ????? ??? ????? ????? ?????? ?????? ????.

• ??? ??????? ??????? - ?????? ?? ??????? ?????? ?? ????? ?? ???????.

• ?????? ?? ?????? - ????? ???????? ??? ??????? ??????.

??????? ????? ?? ????? PDC

?????? ?????? ?? ??? PDC ????? ????? ?? ????? ????? ??? ?? ????? ?? ?????, ?? ????? ???? ?????? ???????? ???? ??????? ????? ????. ???? ???? ?? ?????? ?????? ?????:

1. ??????? ?? ????????

• ????? ?- PDC ???? ???? ?? ???? ????, ??????? ??? ??????? ????? ?????.

2. ????? ????

• ?????? ??????? ???? ???? ??????? ?? ????, ?????? PDC ????? ??????, ?????? ??????? ?????? ???? ??????? ????.

3. ???? ?????

• ???? ???????? ???? ??? ???????, ????? ???? ??? ???? ????? ?? ???????.

????? ????? ??????? ?????? ??? ??? ?????? ????? ?????? ???? ?????? ?????? ??????, ?? ????? ?? ????? ?- PDC ??????? ???? ???? ????? ???????? ??????? ????? ????.

????? ???? ???????? ?? ?????? ??????

???? ?????? ??????? ?? ?????? ?????? ?? ??? PDC, ???? ???? ????, ????? ??????, ??????? ??????? ???????? ????????.

1. ???? ???? ??????? ????

???????? ?? ???? PDC ??? ???? ?????? ?????? ????? ?- PDC ???. ????? ????? ???????? ??????? ??????? ????? ????? ??????? ???? ????. ???????? ??????? ?????:

• ????? ??????? ???? -????????? ?????? ????? (TSP) - ??????? ?????? ???? ???? ????.

• ?????????? ???? ??????? - ????? ?????? ????? ??????? ??????.

2. ?????? ????? ?????? ????

?????? ?? ????? PDC ????? ??????? ?????? ?????? ?? ?????? ??????. ??????? ???????? ???? ??????: ?????

?? ??????	?? ????????
?????? ????	?????? ????? ???? ????? ?? ??????? ??????? ???? ?? ????? ?????? ?? ????? ??????.
????? ????? ?????	????? ????? ???? ????? ?? ??????????, ????? ????? ????? ???? ????? ?? ???????.
???? ????	?????? ?????? ???? ?????? ?????? ???? ????, ????? ????? ???? ??????? ????? ???? ????.

3. ?????? ?????

????? ?? ?????? ????? ????? ?????? ????????? ?? ??? PDC. ??????? ?????? ??????:

• ???? ?? ?????? (WOB) - WOB ???? ???? ????? ?? ?????? ?? ???? ????? ?? ?????? ?? ????.

• ?????? ????? (RPM) - ????? ???? ???? ???? ?? ????? ?????? ?? ???? ?????? ?? ????? ????.

• ??? ????? ??? - ??? ????? ???? ????? ????? ???? ????? ???????.

4. ??????? ????????

???? ???????? ???? ????? ????? ??????? ?? ???????? ?? ???? ????? PDC. ?????? ????? ?????? ?????? ?????? ????????:

??? ????????	????? ?????? PDC ?????
?????? ????	?????? ???? ?????, ?????? ????? ?????????.
?????? ???????? ???	????? ???? ??????, ????? ???????? ????????.
?????? ???? ???????	?????? ???????, ???? ?? ?? ???.

?????????

THE PDC BIT ???? ????? ??????? ?????? ?? ?????? ?????? ????? ???, ?????? ?????? ??????? ????? ???????. ?? ??? ????? ????? PDC ???? ??????? ?????? ????? ?????? ?????, ??????? ?????? ????? ?????? ????? ?????? ????, ?????? ???????? ???? ?????? ???????.

???? ?????? ?????? ?? ???? ????? PDC ?????? ??????? ????? ???? ?????? ??????? ?????? ??????? ??????? ?????? ?????????? ?????. ??? ??????????? ?????? ??????, ??????? ?????? ?????? PDC ??????? ????? ??? ???? ?? ?????? ?????? ??????? ??????.

????? ??????

1. ?? ?????? ?????? ?????? ?????? ?? PDC?

????? ?? PDC ?????? ?????? ????? ?????? ????, ????? ?????? ?????? ?????? ???? ????? ???? ??????? ????? ???? ????, ?? ????? ???? ?????????? ??????? ????? ????.

2. ??? ??? ?????? PDC ??? ????

?????? PDC ?????? ?????? ?????, ???? ????? ?- PDC ??? ?????? ??? ?????? ??? ??? ???? ????, ??????? ??? ?????? ????? ????.

3. ???? ?????? ??????? ?? ???????? ?? ????? PDC?

????? ????? ?????? ???? ????, ????? ??????, ?????? ????? (WOB, RPM ?????? ???) ???????? ????????.

4. ??? ???? ?????? ???? ????? PDC ??? ???? ????????

???? ????? PDC ???????? ??????? ???? ?? ????????, ??????? ??????? ?? ?????? ??????? ?????? ??????? ?? ?????? ???? ???? ???????.

5. ???? ?????? ???? ?? PDC ?????? ?? ?????????

?????? ?????? ?? ??????, ??? ??????? ???????? ?? ??????, ????? ?????? ?- PDC ????? ?? ??????? ??????? ????? ?? ????? ??????.