成人午夜做爰高潮片免费吸气女生高潮多爽|美女高潮迭起|免费日本av在线观看|日本人妻有码在线|孕妇肚形状看男女准确吗|日本熟妇人妻hd|使劲快高潮了对白av|在线视频人妻中文字幕|日本av在线看片|欧美高潮爽到抽搐在线,欧美日一区二区在线观看,www美女黄片av,熟妇老太晚色

ZRC3.5-CIR90 impactor technical parameters

Total length

(Excluding drill bit)

Total weight

(Excluding drill bit)

Outer diameter of impactor

Rear connector thread

Drilling range

869mm

23Kg

φ81mm

T48x10

φ90～φ110

Available working wind pressure

Impact frequency

Recommended speed

Air consumption

0.7～1.4MPa

16～18

25～40r/min

6～10 m3/min

Characteristics of ZRC3.5-CIR90 impactor

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

2. Use valveless gas distribution, reliable gas distribution;

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. It is currently one of the most stable impactors in China.