In recent years, rivet nuts have emerged as revolutionary fasteners, designed to address the challenges associated with welding nuts for thin metal sheets and pipes. Developed to combat issues such as melting during welding and slipping internal threads, rivet nuts offer a practical and efficient solution. This article provides an in-depth exploration of rivet nuts, covering types, advantages, and essential precautions for their effective use.
Types of Rivet Nuts:
Rivet nuts are diverse, classified based on material, head type, column, and hole type:
Material:
316 Stainless Steel
316L Stainless Steel
Carbon Steel (08A)
Aluminum
Copper
Head Types:
Flat Head
Countersunk Head
Small Countersunk Head
Flat Head Hexagon
Countersunk Hexagon
Column Types:
Common Round Type
Knurled Round Type
Full Hexagon Type
Semi-Hexagon Type
Hole Types:
Open Type
Closed Type
Advantages of Using Rivet Nuts:
Rivet nuts offer numerous advantages, making them indispensable in various industries:
Versatile Connection:
Ideal for connecting non-structural load-bearing bolts, especially in applications like interior trim parts in railway passenger cars and highway passenger cars.
Surface Coating Compatibility:
Rivet nuts and studs can be installed at any production stage, even on coated or painted surfaces, without the need for additional surface treatment.
Temperature Resistance:
Rivet nuts and studs are not affected by high temperatures during installation, ensuring no damage to components.
Safety and Environmental Benefits:
No harmful gas emission or fire hazard, ensuring a safe working environment and guaranteeing the safety of manufacturers.
Economic Advantages:
Rivet nuts boast economic advantages, requiring less time for production, low costs, and offering overall cost-effectiveness.
Precautions for Using Rivet Nuts:
While rivet nuts offer a seamless solution, attention to certain precautions is crucial during their use:
Equipment Assembly:
Ensure correct assembly of the equipment's mouth screw. Select the appropriate equipment head and rivet bolt based on the dimensions of the rivet nut, verifying the firm connection of connecting parts.
Deformation and Adjustment:
Pay attention to the deformation length or displacement of the riveted nut and adjust the operating lever angle accordingly.
Scale Ring Adjustment:
Use the scale ring to adjust the rivet stroke during operation. When adjusting the length of the rivet bolt, open two handles and adjust the equipment head sleeve for optimal length.
Proper Assembly Sequence:
Follow a specific sequence during assembly, ensuring the nut is squeezed firmly onto the rivet bolt and properly inserted into the pre-drilled hole.
Equipment Maintenance:
Regularly check for loose caps during the operation of manual rivet nut equipment. Tighten them promptly and protect equipment head bolts from damage after use.
Summary:
In summary, rivet nuts offer unparalleled convenience in the assembly of sheet parts without the need for heavy installation tools. Beyond their ease of use, the repetitive connection of rivet nuts and studs without affecting performance establishes them as essential components in modern fastening solutions.
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