| 1. | Do you apply the same precision leel and tolerance grade to both short and medium run die design ? if not , what is the normal practice 小量生产与中量生产用之冲裁模,采用同样的设计精度与公差等级吗?如果不是,各为何? |
| 2. | Do you apply the same precision level and tolerance grade to both short and medium run die design ? if not , what is the normal practice 小量生产与中量生产用之冲裁模,采用同样的设计精度与公差等级吗?如果不是,各为何? |
| 3. | The design is therefore more practical and reliable . the design architecture is also tailored to maintain the accuracy while not wasting resources 并在设计中对设计结构进行优化,既做到了资源的合理利用,又保证了设计精度的要求。 |
| 4. | The conventional process is drilling - expanding - reaming , and the design accuracy is achieved by the higher accuracy of the cutting tools and the fixtures 传统工艺采用钻扩铰的工艺路线,并从刀具和工装上下功夫以达到设计精度要求。 |
| 5. | The structure , main uses , design accuracy index , technological process and running process of the facility are briefly expatiated by this facility already built 根据已建成的油、水、气三相流模拟装置,简要阐述了装置的结构,主要用途,及装置的设计精度指标,工艺流程和运行过程。 |
| 6. | The results show that to design a supersonic / hypersonic nozzle of wind tunnel must consider the effect of variable specific heat , which gives reference to nozzle and wind tunnel design 考虑这一因素后,喷管出口马赫数接近设计马赫数,其设计精度有较大提高。本方法可为超音速高超声速喷管设计和反设计提供参考。 |
| 7. | At present , finite element analysis technique has being playing a more and more important role in design of engine components . it can not only shorten design cycle , but also improve design accuracy 当前,有限元技术在发动机零部件设计中发挥着越来越重要的作用,它不仅缩短了设计周期,而且也大大提高了设计精度。 |
| 8. | In the mountain x ' s prospecting and exploiting for mineral resources , the manual design and planning on the paper map in the past is difficult to meet the requirement of the future design , because it is laborious and low efficient and low precise 在x山矿藏资源勘测与开采规划中,过去一直在纸地图上手工设计,其工作效率低、劳动强度大、设计精度低,难以适应今后的设计要求。 |
| 9. | To reduce the weight and cost of finishing mill to the minimum , optimum design computes the important parameters with constrained cyclic coordinate method , and precision is improved further . database is used to maintain data user puts into and infer 而辊系优化推理部分以降低精轧机重量和减少造价为目的,采用约束坐标轮换法对辊系和机架参数进行优化推理,进一步提高设计精度。 |
| 10. | The influences of thermal effect of an axis on its design precision were discussed and the temperature distribution of a rotating axis was obtained by the conventional heat transfer equations that needed a complex solving procedure and gave a blurry distribution rule 摘要考虑了热对提高轴类件设计精度的影响,并通过传统导热微分方程法和一般传热学理论对主轴在运动时热分布进行了分析,指出了传统热微分方程解法复杂,从解析式中难以看出温度分布规律,运用传热学理论解法简单明? ,结果易于反映各参数关系,精确度较高,实用性强。 |