国产午夜精品喷水久久|亚洲精品视频在线播放|亚洲国产高清女主播二区|亚洲日本97视频在线观看|综合色一色综合久久网vr|韩国一区二区精品免费视频|精品无人国产偷自产在线日本|亚洲欧美高清精品一区二区三区

▲ asked: what reason is often broken drill bit drilling

Net friend answer: broken bits because of overload, [multi-axis drilling tapping device] overload causes include:

1) bit too blunt.

2) feed rate is too large.

3) bottom hole drill [tapping booster] and bottom serious eccentricity.

4) drill wear red knife, feed rate is too large (hydraulic feed the most common)

The above information is for reference:

The 5 elements of thread tapping machine, Dongguan _ Tianjin tapping machine _ Shenzhen tapping machine _ Shanghai tapping machine _ Kunshan tapping machine

Automatic tapping machine is used to do, the advantages of automatic tapping machine!

Drilling machine to play a key role in a mine in Chile

The meat drilling machine, fire officers and soldiers can not be cut daily safety education problems - LAX