成型

It is found that the forming load including force and moment increases with the thickness reduce of the work piece and the size of the rolling tool.

这些分析结果对于盘型件辗压成型设备的设计和辗压成型工艺参数的确定具有重要参考价值。

No weld plastic storage tanks, motor transport tank, tank transport ship products using the international advanced one-time model of rotating plastic molding process, the product has a total of polyethylene forming a seamless, impact resistance, anti-aging, weight Light, non-leakage, acid, long life, consistent with the health standards, etc., the use of the performance is much better than the traditional glass containers steel, PVC welding containers, polypropylene containers welded, steel-lined rubber, steel-lined steel containers such as glass, ordinary life is a traditional more than twice the FRP, GRP impact is more than three times, to a large extent can be replaced by stainless steel, titanium and other m e t al containers, is the best of today's new generation of high-performance corrosion-resistant chemical liquid storage transportation equipment, and cheap.

无焊缝塑料储罐、汽车运输贮罐、船舶运输贮槽系列产品采用国际先进的旋塑工艺一次性模式成型，产品具有整体聚乙烯一次成型无接缝、抗冲击、抗老化、重量轻、不渗漏、耐酸碱、寿命长、符合卫生标准等优点，使用性能大大优于传统的普通玻璃钢容器、聚氯乙烯焊接容器、聚丙烯焊接容器、钢衬橡胶、钢衬玻璃钢等容器，使用寿命是传统普通玻璃钢的二倍以上，抗冲击是玻璃钢的三倍以上，在相当大的范围内可取代不锈钢、钛等金属制品容器，是当今最理想的新一代高效的化工液体耐腐蚀贮运设备，且价廉物美。

This series of products adopt international advanced one-time model of rotating plastic molding process, the product has a total polyethylene forming a seamless, impact resistance, anti-aging, light weight, non-leakage, acid, long life, consistent with the health standards advantages, the use of the performance is much better than the traditional glass containers steel, PVC welding containers, polypropylene containers welded, steel-lined rubber, steel-lined steel containers such as glass, ordinary life is a traditional glass fiber reinforced plastic for more than twice, impact glass steel more than tripled, to a large extent can be replaced by stainless steel, titanium and other m e t al containers, is the best of today's new generation of high-performance liquid chemical storage and transportation equipment, corrosion resistance, and good value for money.

本系列产品采用国际先进的旋塑工艺一次性模式成型，产品具有整体聚乙烯一次成型无接缝、抗冲击、抗老化、重量轻、不渗漏、耐酸碱、寿命长、符合卫生标准等优点，使用性能大大优于传统的普通玻璃钢容器、聚氯乙烯焊接容器、聚丙烯焊接容器、钢衬橡胶、钢衬玻璃钢等容器，使用寿命是传统普通玻璃钢的二倍以上，抗冲击是玻璃钢的三倍以上，在相当大的范围内可取代不锈钢、钛等金属制品容器，是当今最理想的新一代高效的化工液体耐腐蚀贮运设备，且价廉物美。

One step method of applying silane crosslinked PE technology to aluminium and plastics laminated pipes manufacturing process combines thin aluminium sheet high speed welding and polymer reaction extrusion together,setting up new pipe processing technology.

一步法硅烷交联聚乙烯管材加工技术应用于铝塑复合管成型加工，是将薄壁金属管高速焊接和聚合物反应挤出成型这两个跨专业的新技术有机地结合为一体，从而建立起一种加工新型管材的新兴工业技术。

As at June 1996, the success in China, Dongguan, Guangdong Province set up Shek Pai harvest plastic products factory, with the exception of For the normal operation of the original in Taiwan's precision mold design, development and manufacturing, Hing BUCKLE snap and the injection molding , and further aspects of this promotion inflatable plastic molding production, a more comprehensive profile to match the development of plastic finished products.

随着于1996年6月间，成功在中国之广东省东莞市开设石排丰年塑胶制品厂，除欲原先于台湾正常运作之精密模具设计、开发及制造，兴按扣和扣具之射出成型外，更进一步增进塑胶吹气方面这成型生产，以更全面姿态去配合塑胶成品制品之发展。

The effect of welding parameters of surfacing welding shaping on geometric appearance of seam has been analyzed,also,the single-track multi-layers surfacing welding experiments have been carried out.

分析了堆焊快速成型的基本工艺参数对成型焊缝几何形状的影响，并进行了堆焊单壁墙试验，同时对试样进行了显微组织分析。

Based on polymer processing rheology and single-screw extrusion theories, the precise extrusion theories and techniques were investigated in present paper.

本论文以高聚物加工流变学、高聚物加工工艺学和单螺杆挤出过程理论为基础，论述了精密挤出成型理论和技术及应用前景，研究了实现高聚物精密塑化挤出成型的理论和技术。

An object of the present invention is to provide an apparatus for cutting a sheet-shaped material, which makes it possible to accurately cut the sheet-shaped material without the occurrence of cracks on the finished product side and burrs on the cutting surface of the finished product.

本发明提供了新的一种切割成型纸材料的设备，它可以做到精确切割成型纸材料而不会发生成品纸面上的裂纹和切割面上的粘胶。

SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus for cutting a sheet-shaped material, which makes it possible to accurately cut the sheet-shaped material without the occurrence of cracks on the finished product side and burrs on the cutting surface of the finished product.

本发明小结本发明提供了新的一种切割成型纸材料的设备，它可以做到精确切割成型纸材料而不会发生成品纸面上的裂纹和切割面上的粘胶。

Major Courses: Advanced Mathematics , Physics , Engineering Drawing , Engineering Mechanics, Electrotechnics and Electronics , Mechanical Manufacture Basis , Materials Forming Basis, Mechanical Principle and Design, Mold CAD/CAM Software Application, Plastics Forming Machinery, Sheet Metal Forming Technology and Mold Design, Plastics Mold Design, Mold Manufacture Technology, and so forth.

主要课程：高等数学、大学物理、工程制图、工程力学、电工电子技术，机械制造基础、材料成型基础、机械原理和设计、模具CAD/CAM软件应用、塑料成型机械、冲压工艺及模具设计、塑料模具设计、模具制造技术等课程。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。