带保险模块的油缸 3D模型

Cylinder With insurance module, the module used in some extreme cases, to stop down action need to do insurance agency, in the absence of conditions to satisfy, insurance won't open the cylinder, this module will not be able to press work, to protect human, are necessary or important products, we in the design process it is necessary to have this kind of concept, force protection, this is a very important concept in the design, welcome everybody to learn the reference This model into a step or iges universal model to download, please reference!Also includes 3d original files, welcome to download! if you like,you can paypal for you to get this models or if you have any questions also you can email to me.