What is the tolerance range of precision screws?
What is the tolerance range of precision screws?
Most of the blind hole installation rivets have the characteristics of light weight, reliable connection, high strength, and convenient and quick installation. For example, blind rivets have been widely used in various aerospace vehicles.
pin fixing device, comprising fastening bolts for processing and fixing two workpieces, wherein the pin fixing device further comprises a fixing groove arranged on the workpiece, a positioning hole which is arranged on the workpiece and communicated with the fixing groove, and a positioning hole is arranged in the positioning hole A pin is provided with a pin bushing, the pin bushing is sleeved on the positioning pin, an accommodation space is provided between the pin bushing and the inner wall of the fixing groove, and colloid is filled in the accommodation space. The use of the pin fixing device of Guangdong Yueluo Hardware Industry Co., Ltd. can greatly improve the positioning accuracy of the pin, improve the processing efficiency, reduce the manufacturing cost, testing cost and labor cost, with strong mobility and quick response.
Most of the blind hole installation rivets have the characteristics of light weight, reliable connection, high strength, and convenient and quick installation. For example, blind rivets have been widely used in various aerospace vehicles.
In specific implementation, the axial three-dimensional shape of the nut and the screw head is in the shape of a pentagonal frustum, the elastic surface of the screw is parallel to the center line of the bolt, and the upper contour line is arc-shaped; the screw can be full or partial thread; the top of the screw head The shape is round.
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