stock driving stems for all Stimpson type rivet machines as well as other rivet machines. RIVNUT® blind rivet nuts and RIVSTUD® blind rivet studs with hexagon shank can be easily and directly fed in correctly in all. RIVNUT® blind rivets are fed by means of vibrating spiral conveyors or other distribution systems. Its purpose is to push the rivet thru the rivet pockets into and thru the material. This setting head is suitable for automated installation of blind rivet nuts and studs. The top die in a rivet machine is called a driving stem. Rivets and caps are almost always used in applications that are not prepunched ( there is no existing hole in the materials)
The cap and the rivet head look the same and when properly installed with a rivet machine provide a strong hold that has both sides looking the same. carries bottom cap dies.Ī cap die is used in applications that require the same finished look on booth sides. In addition, for applications that require the use a bottom cap, Siska inc. They work well in metal, plastic and leather. They are used for basically any project that requires putting multiple pieces together that already have a hole in them. A common application for receding spindle bottom dies are 3 ring binder assembly. The die can also be made to accommodate a washer if the application calls for one. In softer material a score set is a better option because it digs back into the material and has a very positive hold.
In very rigid material a roll set can be used. The type of setting that is needed is dependent on the work being done. The receding spindle bottom die also comes in the two setting types, the score setting and the roll setting. The male point on the bottom die is spring loaded so during the setting process when the rivet goes thru the different layers of material that are stacked on the point and it then comes in contact with the bottom point, the point recedes into the bottom die allowing the rivet to complete is travel thru the material and set. This type of bottom die is used for assembling multiple parts that are already pre-punched.
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