A type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
采用螺距粗的螺丝和螺母实现螺纹型芯自动脱模。
The stresses inside and outside the core of a screw dislocation are obtained.
得到了螺位错芯区内、外的应力场。
NBE solid core screw conveyors are a critical component in the design of a bulk material transfer system.
NBE实芯管式螺旋输送机是在一个散装物料输送系统设计中的关键组成部分。
Through analyzing of a bottle cover structure with inner thread, a type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
通过对一种带有内螺纹的酒瓶盖的结构分析，阐述了采用大导程螺杆和螺母机构实现螺纹型芯自动旋转脱模的设计过程及其工作过程。
Each shaft is connected to screw without core in material pipe, there is opening in middle section of material pipe, there is hopper on opening, and there is agitating device in hopper.
每根主轴都与料管内的无芯螺旋连接，料管中段上部开口，开口上设料斗，料斗内设搅料装置。
Screw with core temperature regulation unit and well barrel cool guaranteed the exact control of technology temperature of material.
螺杆具有芯部温度调节装置及良好的料筒冷却，保证了对物料工艺温度的精确控制。
Objective: Comparing of clinic using of prefabricated screw and cast metal post-and-core of posterior tooth.
目的：比较后牙成品螺纹桩核与铸造桩核的临床应用比较。
Methods: Comparing of strength and retention of prefabricated screw and cast metal post-and-core of posterior tooth after 5 years using.
方法：通过5年的使用观察，比较成品螺纹桩核与铸造桩核固位力和核的强度。
This flexible feature allows the screw conveyor auger and tube to bend around equipment or facility obstructions that would prevent the use of solid core or u-trough conveyor types.
这一灵活的功能允许螺旋输送机灵活地与生产设配配合使用。
AimTo evaluate the clinical effect of the restoration using prefabricated screw post, light-cured composite resin core and porcelain-fused-to-metal crown for residue crown and residue root.
目的总结螺纹根管钉、光固化树脂核、金属烤瓷全冠修复残根残冠的临床经验。
The screw consists of core spindle and several hollow screw segments which can be replaced easily for different materials.
该螺杆由芯轴和几个空心螺杆段组成，对于不同的物料，只需更换其中某些空心螺杆段即可。
Ball screw system adopted to realize the horizontal movement of machine head; using step belt with steel wire core to realize the vertical movement of the machine head; high welding accuracy.
采用滚珠丝杠传动实现机头水平运动，及钢丝芯同步带传动实现机头垂直运动，焊接尺寸精度高；
The specialty of the design is the flexible core-pulling structure that solved the difficult problem of unloading the screw thread and moulding the through hole at the same place.
其特别之处在于采用灵活的抽芯机构解决了在同一位置脱螺纹和成型碰穿孔的复杂问题。
Block installing Device without Axis:The installation of blocks adopts air cylinder to pull the core of axis to install the blocks. The horizontal adjustment adopts the movement of screw.
无轴装版机构：装版采用气缸，拉动芯轴进行装版，横向调节采用螺杆移动。
Block installing Device without Axis:The installation of blocks adopts air cylinder to pull the core of axis to install the blocks. The horizontal adjustment adopts the movement of screw.
无轴装版机构：装版采用气缸，拉动芯轴进行装版，横向调节采用螺杆移动。
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