The present invention relates to power tools. More particularly, the present invention relates to a hydraulic cylinder actuated tool system having a single hydraulic cylinder actuator and replaceable tools including torque Wrenches, shears,...

This invention relates generally to a torque Wrench and more particularly to a hydraulic torque Wrench having a sealed housing and a removable drive that sealingly engages the torque Wrench.19961 BACKGROUND OF THE INVENTION Hydraulic torque...

Abstract In the design of plastic injection molds, the depressions and protrusions (DP) preventing the removal of molded part from mold are referred to as undercuts. This paper describes an approach to recognize DP feature within the curvatu...

The single most important design objective for a structure or a component of a structure is the provision of adequate strength. The consequences and costs of strength failures are large and therefore the probability of such failures must be...

In injection molding, the polymer melt at high temperature is injected into the mold under high pressure [1]. Thus, the mold material needs to have thermal and mechanical properties capable of withstanding the temperatures and pressures of t...

abstract：Residential landscapes with private gardens are major land covers in cities and their sustainable management is paramount for achieving a resilient urban future.Here we focus on the value of residential ecosystems for biopersity c...

摘要： 本文报道了在调查纤维增强复合材料加固混凝土结构改造关节成效的结果在提高普通钢筋混凝土框架结构的抗震性能水平和抗震性能系数（R）的重要作用。首先确定该纤维增强复...

The mold is the manufacturing industry important craft foundation, in our country, the mold manufacture belongs to the special purpose equipment manufacturing industry. China although very already starts to make the mold and the use mold, bu...

In the design of plastic injection moulds, the presence of undercut features would affect mould cost and structure. In this paper, the definition, classification of undercut features and the related notions to identify them are presented. Ba...

Abstract：Rapid heating cycle molding (RHCM) is a novel plastic injection molding process. It can be used effectively to prevent many defects of products produced in conventional injection molding process. In this paper, the panel of large-...