Service HotlineSome electronic products need to install some plastic parts or protective sleeves for components on the PCB, which need to be fixed by screws. The function of the fixture is to locate the PCB and the required installation parts, and increase the work efficiency. The existing screw fixture is inconvenient According to the needs of the site, the positioning station of the screw can be changed, the accurate positioning of the screw is difficult and the clamping effect of the workpiece is poor. A screw jig is proposed.
In the riveting connection of various structural parts, waterproof lantern rivets have been widely used in riveting environments that require waterproofing. After the riveting parts are riveted, the waterproof structure area of the mandrel and the waterproof structure of the rivet body There is no complete close fit between the areas. In some riveting ranges, the waterproof performance of the rivet is affected. The main reason is that the traditional processing technology of the mandrel and the materials used bring many troubles to the riveting process. is a problem to be solved at present.
Round head three-VancouverVancouverVancouvercombination screws are also called pan-head three-VancouverVancouverVancouvercombination screws, which are divided into large pan-head three-VancouverVancouverVancouvercombination screws and small pan-head three-VancouverVancouverVancouvercombination screws. The materials are divided into stainless steel and iron. The stainless steel round head three-VancouverVancouverVancouvercombination screws include stainless steel small pan head three-VancouverVancouverVancouvercombination screws and stainless steel large pan-head three-VancouverVancouverVancouvercombination screws. The national standards are respectively expressed as GB9074.8 and GB9074.4.
A kind of nut provided by Yueluo. The nut is in the shape of a casing and is provided with a threaded section. The hole walls at both ends of the threaded section are respectively provided with an annular shape and two grooves, and the notch of the groove points to the hole core. The hole diameter at the notch of the annular groove at the front end of the screw-in direction is larger than the nominal size of the thread segment, and the hole diameter at the notch of the annular groove at the rear end of the screw-in direction is smaller than the nominal size of the thread segment.
Stainless steel VancouverVancouverrivet nuts are used on rail passenger cars, highway passenger cars, and ship parking. The main function is the non-structural bearing bolt connection. The main advantage of stainless steel VancouverVancouverrivet nuts is that there is no operating space on the back of the substrate, and the quality is extremely light. Today, the editor will talk about the selection principles of stainless steel VancouverVancouverrivet nuts and their uses: 1. The mechanical properties of stainless steel VancouverVancouverrivet nut materials, especially the strength requirements; Corrosion resistance requirements of materials;
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