精品少妇一区二区三区免费观-樱花影院电视剧免费-一本一道波多野结衣av黑人-最新亚洲精品国偷自产在线-狠狠色狠狠色综合久久蜜芽

NZG-31A Rail Drilling Machine

性能及特點

The NZG-31A Rail Drilling Machine is a new type drilling machine for railways. Featured by portable, fast in drilling, accurate in positioning, easy and safe for operation. It is an essential too for railway maintenance and rescue operations.

主要技術參數


Rated power:1.1kw

Diameter of drilling hole:31±0.5mm

Rotate speed:200r/min

Accuracy of drilling hole:Less than 0.5mm in position accuracy of drilling hole

Time of drilling hole:Less than 40 seconds to drill a hole

Service life of drilling head:40~50 holes after repairing and grinding one time; under the ordinary wearing condition, one drilling head can be repaired and grinded more than 20 times

Dimensions(L×W×H):640×360×365mm

Weight(without fuel):23kg

? ?