- 什么因素决定压花辊的质量
- 本站编辑：杭州创兴花纹辊发布日期：2019-04-08 12:56 浏览次数：
影响花辊的质量的原因有以下几个方面
1、下料：辊体用无缝钢管，轴用45圆钢，端板用Q235钢板， 按图纸尺寸留出8mm加工余量切料。2、车削加工：车削加工辊体、端板和轴等件的配合部位结合面，按H9/f9配合精度加工。
3、焊接组合辊体内加强筋、两端轴等零件，注意校正两端轴与内套管的同轴度，只焊轴上的内端板。
4、把组合焊接完整的内套装入辊体内，组合焊接内端板与辊体的配合交界处。
5、把外端板装在两端轴上，焊接外端板与轴和辊体的结合面交界处。
6、对焊接组合的辊毛坯进行退火处理，消除内应力。
7、钢辊轴的一端车平端面，钻标准中心孔。
8、车削加工：分粗、精车钢辊体的各部位至图纸要求尺寸。辊体的工作表面粗糙度应不大于1.6μm;辊的工作面对两端轴支撑面(滚动轴承安装部位)径向跳动允差为0.025mm;辊体工作面的圆度为0.036mm;轴承配合圆按k6精度加工。然后架中心架，车端面，钻孔至尺寸。
9、按花纹钢辊的图案要求加工花纹。然后镀硬铬层，厚度为0. 03~0. 05mm。
10、校正钢辊的静平衡。
11、喷砂是采用压缩空气为动力，以形成高速喷射束将喷料(喷丸玻璃珠、钢丸、钢砂、石英砂、金刚砂、铁砂、海砂)高速喷射到被需处理工件表面，使工件表面的外表面的机械性能发生变化，由于磨料对工件表面的冲击和切削作用，使工件的表面获的一定的清洁度和不同的粗糙度，使工件表面的机械性能得到改善，因此提高了工件的抗疲劳性，增加了它和涂层之间的附着力，延长了涂膜的耐久性，也有利于涂料的流平和装饰，把表面的杂质、杂色及氧化层清除掉，同时使介质表面粗化，使基材表面残余应力和提高基材表面硬度的作用。
The reasons that affect the quality of the roller are as follows
1, material: seamless steel pipe for roller body, 45 round steel for shaft, Q235 steel plate for end plate, leaving 8mm machining margin cut material according to drawing size.
2, turning processing: turning processing roll body, end plate and shaft and other parts of the combined parts, according to H9/f9 with precision processing.
3, welding combination roll in the body to strengthen the tendons, both ends of the shaft and other parts, pay attention to correct the coaxial axis of the two ends of the shaft and the inner sleeve, only welding the inner end plate on the shaft.
4, the combined welded complete inner sleeve into the body of the roller, combined welding inner end plate and roller body at the junction.
5, the outer end of the plate is installed on both ends of the shaft, welding the junction of the outer end plate with the shaft and the roller body.
6, the welding combination of roller rough annealing treatment to eliminate internal stress.
7, one end of the steel roller shaft flat end surface, drilling standard center hole.
8, turning processing: divided into thick, refined steel roll body parts to the required dimensions. Roller surface roughness should not be greater than 1.6 μm; The radial beating tolerance difference of the roller facing the axial support surface(rolling bearing installation site) is 0.025 mm; The roundness of the roller face is 0.036 mm; Bearing with round machining by k6 precision. Then frame the center frame, the end of the car, and drill into the size.
9, according to the pattern of the pattern of steel roll requirements for processing patterns. Then the hard Chrome layer is plated with a thickness of 0. 03 ~ 0. 05mm.
10, correct the static balance of steel roller.
11, sandblasting is the use of compressed air as the power, in order to form a high-speed jet beam to spray the injection material(pellet glass beads, steel pellets, steel sand, quartz sand, diamond sand, iron sand, sea sand) at high speed to the surface of the workpiece to be treated. The mechanical properties of the external surface of the workpiece are changed. Due to the impact and cutting of the abrasive on the surface of the workpiece, the surface of the workpiece has a certain degree of cleanliness and different roughness, and the mechanical properties of the workpiece surface have been improved. Therefore, the fatigue resistance of the workpiece is improved, the adhesion between the workpiece and the coating is increased, the durability of the coating is extended, and it is also conducive to the leveling and decoration of the paint, removing the impurities, miscellaneous colors, and oxide layers from the surface, while making the medium surface roughened, The effect of making the surface residual stress of the substrate and increasing the surface hardness of the substrate.
The reasons that affect the quality of the roller are as follows
1, material: seamless steel pipe for roller body, 45 round steel for shaft, Q235 steel plate for end plate, leaving 8mm machining margin cut material according to drawing size.
2, turning processing: turning processing roll body, end plate and shaft and other parts of the combined parts, according to H9/f9 with precision processing.
3, welding combination roll in the body to strengthen the tendons, both ends of the shaft and other parts, pay attention to correct the coaxial axis of the two ends of the shaft and the inner sleeve, only welding the inner end plate on the shaft.
4, the combined welded complete inner sleeve into the body of the roller, combined welding inner end plate and roller body at the junction.
5, the outer end of the plate is installed on both ends of the shaft, welding the junction of the outer end plate with the shaft and the roller body.
6, the welding combination of roller rough annealing treatment to eliminate internal stress.
7, one end of the steel roller shaft flat end surface, drilling standard center hole.
8, turning processing: divided into thick, refined steel roll body parts to the required dimensions. Roller surface roughness should not be greater than 1.6 μm; The radial beating tolerance difference of the roller facing the axial support surface(rolling bearing installation site) is 0.025 mm; The roundness of the roller face is 0.036 mm; Bearing with round machining by k6 precision. Then frame the center frame, the end of the car, and drill into the size.
9, according to the pattern of the pattern of steel roll requirements for processing patterns. Then the hard Chrome layer is plated with a thickness of 0. 03 ~ 0. 05mm.
10, correct the static balance of steel roller.
11, sandblasting is the use of compressed air as the power, in order to form a high-speed jet beam to spray the injection material(pellet glass beads, steel pellets, steel sand, quartz sand, diamond sand, iron sand, sea sand) at high speed to the surface of the workpiece to be treated. The mechanical properties of the external surface of the workpiece are changed. Due to the impact and cutting of the abrasive on the surface of the workpiece, the surface of the workpiece has a certain degree of cleanliness and different roughness, and the mechanical properties of the workpiece surface have been improved. Therefore, the fatigue resistance of the workpiece is improved, the adhesion between the workpiece and the coating is increased, the durability of the coating is extended, and it is also conducive to the leveling and decoration of the paint, removing the impurities, miscellaneous colors, and oxide layers from the surface, while making the medium surface roughened, The effect of making the surface residual stress of the substrate and increasing the surface hardness of the substrate.
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