查询词典 screw-pitch

On decomposing temperature of resin material ,Higher screw speed ,Higher trim force of resin,higher cyclinder temperature. Some resin material may decomposes so it set screw speed in mid-speed such as 45-75

但速度则应取决于原料的分解温度，熔胶速度越快，原料中的剪切力则会越大，料管温度则越高，局部原料产生分解的可能性则会越大

On the basis of introduction of an epicycloid parameter,δ,an equation is derived for cycloid and its screw surface in screw pump.

本文在引入外摆参量δ的基础上建立了螺杆泵摆线和摆线螺面的方程，并通过对δ的研究，提出了螺杆泵的部分设计理论。

In operation, the screw cylindrical surface and the pump cylinder wall formed between the layer of oil film to prevent direct contact between the metal, so that screw tooth surface wear significantly reduced.

在运行中，螺杆外圆表面和泵缸内壁之间形成的一层油膜，可防止金属之间的直接接触，使螺杆齿面的磨损大大减少。

Our company specializing in the production of dual-cone, double-barrel, screw, double-, double-cone plastic extrusion machines, single screw extruder, plastic pipe production lines, plastic profile production lines, plastic sheeting, sheet production line, plastic extrusion To create materials and production lines dedicated to the production of environmental protection Plastic-wood extruder.

我公司专业生产锥双、平双机筒、螺杆，平双、锥双塑料挤出机、单螺杆挤出机、塑料管材生产线、塑料异型材生产线、塑料板、片材生产线、塑料挤出造料生产线及专用于生产环保塑木的挤出机。

According to the similarity criterion, an experimental model was designed which is one-third of 3500mm heavy and medium plate mill pressure screw-pairs in sizes. Electrometric method was adopted to get the load distribution of the thread layers by measuring the bending deformation of the screw teeth.

依据相似准则，制作3500mm中厚板轧机电动压下传动螺纹副1/3的测试模型，采用电测法获取悬臂螺牙弯曲应变值，模拟实际轧制力和过平衡力作用下螺纹副螺牙各层载荷大小及分布。

To improve the machining efficiency and precision of convex screw s,a new method was put forward for inner whirlwind NC enveloping milling of screw curved surface.

使用轴承测量仪器完成对滚子球基面凸度测量、凸形的判定，确定了测量方法，提高测量的准确性及测量效率。

On the basis of measured data processing,error analysis,curve modeling and object modeling,it establishes the mathematical modeling of the screw parts of single screw compressors.

在测量数据处理、误差分析和曲线曲面造型、实体造型技术的基础上，建立了单螺杆空气压缩机螺杆零件的数学模型。

At the same time this paper introduced the surface craft to resist wear of the plastic extruding machine's screw which was similar to the expeller by the contour structure and the working condition in domestic and foreign,pressed out the screw development and the improvement to provide the oil .

介绍了螺旋榨油机榨螺表面抗磨工艺的研究现状，分析了各种工艺的优缺点及研究进展情况；同时介绍了外形结构、工作状况与榨螺相似的塑料挤出机螺杆表面抗磨工艺的研究动向及进展情况，以期为我国螺旋榨油机榨螺表面抗磨工艺的改进提供借鉴。

The system can be used in these aspects. Firstly, it can be a CAD system of screw for single-screw extruder.

本系统可用于以下几个方面：一、作为单螺杆挤出机螺杆设计的计算机辅助设计系统。

MQ-LSC screw conveyer is mainly composed of the following parts: steel screw, driving device, feed hopper, conveyance trough or conveyance pipe, material outlet, frame, etc.

MQ-LSC输送机主要山一根钢质螺旋休、驱动装置、进料斗、输送槽或输送管、出料口、机架等构成。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。