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Customized BSO blind hole pressure riveting stud hexagonal pressure riveting nut column pressure riveting screw sleeve 5/8 1/2-13

We have more than ten years of production experience in the screw industry. The main products are: flat head built-in expansion bolts, ingot butterfly screws, full thread screws, fine pitch hexagonal flange nuts, flat head cylindrical pins, special-shaped bolts, pan head bolts and nuts , Carbon Steel Q235 Slotted Round Nut, DIN7984 Bolt, Large Outer Diameter Ring Metal, Butterfly Spring Washer, GB30 White Plated 4.8 Hexagon Screw, T-Block T-Slot T Nut, GB6184 All-Metal Nut, Butt Pair Fasteners such as locking screws, copper countersunk head rivets, etc. have different prices due to different product materials and specifications. Please contact us if necessary.

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Product introduction

Screw Specifications

Screw head table

An embodiment of Guangdong Yueluo Hardware Industry Co., Ltd. provides a screw slotting device, as shown in Figure 1, which includes a workbench 1, a vibrating plate 2 is arranged on the upper part of the workbench 1, and a conveying device 3 is arranged on the vibrating plate 2. Below the discharge port, the slotting device 4 is arranged on one side of the conveying device 3, and the slotting device 4 is provided with a reciprocating cutting wheel 42 that can slot the screws in the conveying device 3 when it extends out. The device 4 is also fixedly provided with a fixed wheel 48 for grinding the grooved screws. Using the screw slotting device, the screws can be automatically sorted by the vibrating plate 2, which improves the production efficiency. The reciprocating motion of the cutting wheel 42 can greatly reduce the probability of knife breakage. Sanding, fixes burrs and roughness.

Customized BSO blind hole pressure riveting stud

In the past production, gaskets were generally obtained from two channels: first, standard gaskets were mostly purchased from the market, and the cost was high; non-standard gaskets, due to the small demand, required separate tooling and molds, which were expensive and long production cycle. It is difficult to purchase; Second, the plate is purchased by the enterprise, and then the washer is formed by the automatic cutting machine. Because the cut nodules and cut marks produced by flame cutting do not meet the requirements for use, the inner and outer diameters need to be reserved 2 ~3mm machining allowance, and then finish the outer diameter and inner diameter by lathe.

Hexagonal standoff

Pressure riveting screw sleeve

The force condition of the screw is broadcasted: 1) Self-weight G; 2) Torque M required to overcome material resistance; 3) Axial force P generated by material pressure. Screw screw screw is generally scrapped due to long-term wear, the gap between the screw and the barrel is too large and cannot be extruded normally, but there are also examples of damage due to improper design or improper operation. Therefore, the screw should also meet certain strength requirements. 4) The dangerous section of the screw is generally at the smallest thread root diameter in the feeding section. According to material mechanics, for plastic materials, the composite stress is calculated by the third strength theory, and its strength conditions are:


In a traditional spring mattress, there are two layers of spring pads that are independent of each other. The manufacturing process of this kind of mattress is complicated, time-consuming and material-consuming, and after long-term use, the springs in the two-layer independent spring cushion are prone to translocation, which deforms the mattress and affects people's sleep.


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