... , like boring, drilling, reaming, milling ,utilized in the industries of petrochemicals, refrigeration, metallurgy, shipping building and ... to ensure that the sliding surface of the wear resistance, durable accuracy. Technical specification of Gantry type machining centers 2215HE ... speed: 4500/6000r/min,belt type (speed ratio 2:3 or1:1),imported ZF/BF gear reducer can be chosed(Low speed 1:4,High speed ...