轧钢机的组成部分
The components of a steel rolling mill
1、工作机座:由轧辊﹑轧辊轴承﹑机架﹑轨座﹑轧辊调整装置﹑上轧辊平衡装置和换辊装置等组成。
1. Working base: It is composed of rolls, roll bearings, frame, rail seat, roll adjustment device, upper roll balancing device and roll changing device, etc.
2、轧辊:是使金属塑性变形的部件 。
2. Rolls: They are components that cause plastic deformation of metals.
3、轧辊轴承:支承轧辊并保持轧辊在机架中的固定位置。轧辊轴承工作负荷重而变化大﹐因此要求轴承摩擦系数小﹐具有足够的强度和刚度﹐而且要便于更换轧辊。不同的轧机选用不同类型的轧辊轴承。滚动轴承的刚性大﹐摩擦系数较小﹐但承压能力较小﹐且外形尺寸较大﹐多用于板带轧机工作辊。滑动轴承有半干摩擦与液体摩擦两种。半干摩擦轧辊轴承主要是胶木﹑铜瓦﹑尼龙瓦轴承﹐比较便宜﹐多用于型材轧机和开坯机。液体摩擦轴承有动压﹑静压和静 - 动压三种。优点是摩擦系数比较小﹐承压能力较大﹐使用工作速度高﹐刚性好﹐缺点是油膜厚度随速度而变化。液体摩擦轴承多用于板带轧机支承辊和其它高速轧机。
3. Roll bearings: Support the rolls and keep them in a fixed position within the frame. The working load of the roller bearings is heavy and varies greatly. Therefore, the bearings are required to have a small coefficient of friction, sufficient strength and rigidity, and be easy to replace the rollers. Different rolling mills select different types of roll bearings. Rolling bearings have high rigidity and a low coefficient of friction, but their pressure-bearing capacity is relatively small. Moreover, they have a large external dimension and are mostly used in the work rolls of plate and strip rolling mills. There are two types of sliding bearings: semi-dry friction and liquid friction. Semi-dry friction roller bearings are mainly bakele, copper bearing and nylon bearing. They are relatively inexpensive and are mostly used in profile rolling mills and blank opening machines. There are three types of liquid friction bearings: dynamic pressure, static pressure and static-dynamic pressure. The advantages are that the coefficient of friction is relatively small, the pressure-bearing capacity is large, the working speed is high, and the rigidity is good. The disadvantage is that the oil film thickness varies with the speed. Liquid friction bearings are mostly used in the support rolls of plate and strip rolling mills and other high-speed rolling mills.
本公司拥有生产设备200余台：φ200,φ180,φ160,φ130落地镗铣床，2m*6m龙门镗铣床，1.6m、2.5m、3.4m、5m立式车床，CQ61200B、T2-011T、C650、C640、C630等卧式车床，1.6M、2.5M、3.4M、5M立式车床，CQ61200B、T2-011T、C650、C640、C630等卧式车床，Y31315B、Y31125、Y9650、Y320齿轮加工设备，SG-80220SD平面磨床。本公司可生产φ250-850轧钢机、齿轮机座、ZD70-ZD260减速机、φ280-480高钢度扎机系列，各种国标联轴器及非标联轴器的设计与制造，J160、J250、J300剪切机以及20t-50t转炉炼钢设备、水电设备、并承接大型成套非标设备的设计与制造。
Our company has over 200 sets of production equipment. φ200,φ180,φ160,φ130 floor boring and milling machines, 2m*6m gantry boring and milling machines, 1.6m, 2.5m, 3.4m, 5m vertical lathes, CQ61200B, T2-011T, C650, C640, C630 and other horizontal lathes, 1.6M, 2.5M, 3.4M, 5M vertical lathes Horizontal lathes such as CQ61200B, T2-011T, C650, C640, and C630, gear processing equipment like Y31315B, Y31125, Y9650, and Y320, and SG-80220SD surface grinding machines. Our company is capable of manufacturing φ250-850 steel rolling mills, gear housings, ZD70-ZD260 reducers, φ280-480 high-stiffness rolling mills series, as well as the design and manufacture of various national standard couplings and non-standard couplings. We undertake the design and manufacture of J160, J250, J300 shearing machines, 20t-50t converter steelmaking equipment, water and electricity equipment, and also undertake the design and manufacture of large-scale complete sets of non-standard equipment.
本公司宗旨：“重合同、守信誉”“交货及时、保证质量”热诚欢迎各界朋友来公司洽谈订货。
Our company's mission: "Honor contracts and keep promises", "Deliver on time and ensure quality". We sincerely welcome friends from all walks of life to come to our company for business negotiations and orders.
