Products organ protective cover in the column of the machine and large machine tools long rail, reasonable structure, even walking, durable, organ protective cover can be designed to take up limited space shape. Product attributes, the edge of the side connecting plate 2, the middle of the connecting plate support frame 3, copper or nylon vane of Nepalese cashmere axis and copper shaft 5, stretch and spring plate (top speed of 120 mm / min), the side relief , aluminum and copper material of the side bracket can safely support the shroud 7, nylon leather, of Defense polyurethane thickener oils and emulsions, hard polyvinyl chloride sheet 10, the plastic cloth 11, an aluminum alloy and stainless steel board the edge of the organ protective cover connecting plate can play a supportive role in the shroud more solid, stretch and spring guard free shrinkage, organ shield surface material can be waterproof, oil, all kinds of liquid. Armor for each organ protective cover folds of aluminum alloy and stainless steel can withstand strong vibration resistant to 900 ° C high temperature without deformation, can also hinder the role of small debris penetration! Trading product attributes determine the product prices.