The key production technology of aluminum sheets are thickness accuracy and shape control , its main application products are drink cans 、 automobile parts , electrolytic condenser 、 small tube for condenser 、 drum for laser printer 铝合金板材之关键生产技术为提高板厚精度及形状控制技术，应用制品主要有饮料罐、汽车零件、电解冷凝器、小断面冷凝管、雷射印表机感光辊筒。
It adopts spacing strip cutting . on the fixed cutter frame and mobile frame of the cutter holder , the lifter lifts or presses the upper cutter holder to meet various cutters for different plate thickness . oil cylinder pushes away the mobile frame so as to change cutters quickly 采用隔套分条机形式,刀轴固定在机架和活动机架上,提升机提升或压下刀轴,从而满足不同板厚的刀片重叠;油缸将活动机架推开,便于快速换刀
This paper observe various of curvature ratio at asymmetrical rolling that mismatch rolling diameter with different specimens thickness , mismatch peripheral speed , reduction , lubrication , and discuss rolling force , rolling torque with rolling speed and reduction 本文主要观察板材于异径压延后弯曲曲率之变化情形，探讨曲率与不同初始板厚、周速比、缩减率及润滑之关系，并讨论压延力、压延扭矩与周速比及缩减率之关系。
The minimum reinforcement rate has little effect on reinforcement in columns . ( b ) when considering the bars in slab participate in beams against negative flexure , four or six times slab - thickness on each side of web can be defined as the effective flange width of slab by intermediate or rare earthquake actions 当考虑板筋对梁端负弯矩承载力的提高作用时，可在设防烈度地震和罕遇地震作用下分别取每一梁侧四倍、六倍板厚范围作为板的有效宽度。
( 1 ) car body stands in quite identical stress level by decreasing the thickness of plates , ameliorating structure and so on in strength affluence position under five cases ; ( 2 ) without changing stress distribution , holes are dug in bearing the weight of positions by wiped off material in order to decrease weight ( 1 )在强度富裕处通过降低板厚、改进结构等手段，使得整车在强度规范的五种工况下，各处均处于较为相当一致的应力水平； ( 2 )在各种承载部位，在不改变其应力分布的前提下开设减重孔，利用去除材料来达到减重的目的。
According to the result of the field observation , the design by load equivalent simplification and plotting out representative local models following spatial strut - and - tie theory are obviously practical , recommendations for design on the basis of the result are put forward , including skipping rafts processing straight transmittal function so as to induce thickness of the plank and use of reinforced steel 实测结果表明，桩筏基础按空间桁架理论通过荷载等效简化并划分成有代表性局部模型的设计方法是可行的，据此，提出了扣除直接传递的荷载设计筏板以减少板厚和配筋等相应的设计建议。
The paper introduced the ultrasonic on - line monitoring system of wood - based panel thickness , and elaborated the measure principle and systems tructure . explicated the structure and principle of work of ultrasonic launching and receiving circuit , presented the program frame and part program of the date processing 介绍了应用于中密度纤维板生产线的超声在线板厚监测系统，阐述了系统测量原理，介绍了系统结构并对超声波发射接收电路的硬件结构和工作原理做了较详细的说明，给出了数据处理系统程序框图和部分程序
We research on the thermal buckling characteristics of double layer membrane which is composed of different materials with different thermal expansion coefficiens under uniform temperature elevation . the energy method is proposed which is used to solve the problem and the symbolic relation between central buckling height and substrate height under small buckling height is also given . it is the primary theory of membrane resonant sensor , which makes the research and development of novel thermal sensor possible 本文对微机械中热胀系数不同的材料构成的双层复合薄板在均匀温升下的挠曲特性进行了研究，提出了在均匀温升下双层薄板热挠曲求解的能量法，并给出了小挠度下中心挠度与板厚的解析关系，为薄膜谐振式传感器温度特性的研究和新型温度传感器的设计与开发打下了基础
The main results show that : ( 1 ) the mechanism of laser bending is very different from that in bending with hard tools . ( 2 ) the bending angle is varied along scanning direction , and there is a deformation wave in the process . ( 3 ) the effects of sheet length on bending can be neglected while the length is more than 10 times of thickness . ( 4 ) the sheet width has much higher influence on the bending process 分析发现：激光弯曲成形时板料的应力状态与机械折弯时有根本不同；当激光束沿直线单向扫描时，板料两端的弯曲角度不同；板料的长度大于10倍板厚或5倍光斑尺寸时，板长对弯曲角度的影响不再显著；沿扫描方向，距离光斑中心3倍光斑尺寸以外的区域，仍然对弯曲变形量产生影响。
For this purpose , the thesis whose research structure is a building with frame - shear wall structure at first two stories and five - floor brick masonry structure at the upper part , adopting the finite - element analysis program - algor99 , calculated and analyzed the anti - seismic behavior influenced by the change of the aseismic wall ' s distance and the transitional floor ' s thickness 为此，本文以一底部为两层框架抗震墙、上部为五层砖混结构房屋为研究对象，运用大型有限元分析软件? ? algor99 ，对由于抗震墙间距和过渡层板厚的变化对结构的抗震性能的影响进行计算分析。
