2kw project KHYD40 proof rock drill rock drill factory direct, amazing quality, scream price, you can HOLD live it! ! ! Technical parameters KHYD40dIA KHYD75dIA KHYD140dIAB KHYD150dIAB rated power Kw 2 3 5.5 7.5 Rated voltage V 127/380/660 380/660 380/660 380/660 Rated frequency Hz 50 50 50 50 Rated current A 4.5 6.8 11.6 15.4 Rated speed r / min 2814 142014401440 motor phase number 3333 Rated work continuous S1 continuous continuous S1 S1 S1 continuous insulation rating FFFF spindle rated speed r / min 240 240 240 240 Drilling diameter mm Φ42 (rock) Histon Zoucheng Mining Machinery Co., Ltd. Ring Road West, located in Zoucheng, Shandong Province is the China Coal Industry Association designated national coal mine fully mechanized mining designated suppliers, in recent years, have established the proof Histon Technology Co., Histon machining centers. Formed under the "Vantage" relatively specific guide main business enterprise structure. The main production and operation of explosion-proof electrical, ZLJ hydraulic drills, pneumatic tools, supporting the production, installation and commissioning. To form a coal continue to provide new product development, production and sales of industrial chain, "Histon" sustainable development lay a solid foundation, through nearly 10 years of hard work and capital accumulation, has a number of mechanical products professional senior scientific personnel specialized in mining machinery product development, design and development of fully mechanized coal mining have complete control equipment development, production, marketing integrated capability Service purpose: creating international advanced level products, and services to national coal mine. Manager: Yang Xia QQ:. 1011522527 E-mail: 1011522527@qq.com Website: www.zchhgk.com