精品人妻久久久久久888,久久久久亚洲AV成人无码电影,亚洲免费在线不卡高清视频,中文无码一区二区不卡AV,精品国产你懂的在线观看,日韩精品中文字幕有码,在线看片日本一区二区,成a人片在线观看久亚洲,亚洲无AV码一区二区三区,国产高清精品在线一区二区

ZRC3.5-DHD3.5 impactor technical parameters

Total length

(Excluding drill bit)

Total weight

(Excluding drill bit)

Outer diameter of impactor

Rear connector thread

Drilling range

987mm

23Kg

φ81mm

API(2 3/8)″REG

φ90～φ110

Available working wind pressure

At 1.7MPa

Impact frequency

Recommended speed

Air consumption

1.0～2.5MPa

25HZ

25～40r/min

5～9m3/min

Characteristics of ZRC3.5-DHD3.5 impactor

1. Mainly used in mines requiring drilling operations above 90mm;

2. Designed with the latest rock drilling theory, the impact energy is ideally transmitted, and the single impact energy is large;

3. The internal structure is simple and not easy to damage;

4. Low air consumption, wind and oil saving, fast drilling speed;

5. The internal structure is simple and reasonable, and the maintenance is convenient; the parts have good consistency, high reliability, low overall failure rate, low disassembly frequency, long impact life, and low use cost.