Release time：2020-01-16 18:44 Browse：
1. Optimize material selection
High strength stainless steel (such as SUS410, 304, 316): Strong corrosion resistance, suitable for humid or corrosive environments.
Zinc tin alloy nano coating: improves surface hardness and corrosion resistance, and extends service life by 23.
Carbonization treatment: enhances core hardness (HRC32-40) and surface wear resistance (HV600-700).
2. Improve surface treatment process
Dacromet coating: Excellent anti-corrosion performance, but attention should be paid to the coating process to avoid foaming and liquid accumulation (such as optimizing immersion coating and vacuum immersion coating).
Nano coating technology: such as zinc tin alloy nano coating, can significantly improve corrosion resistance, and the salt spray test can reach 2000-8000 hours.
Bright quenching treatment: improves the hardness and toughness of screws, reduces the risk of fracture.
3. Optimize screw structure design
Improve the shape of the drill tail: for example, using a "lightning tail" design (such as the Faside mold) to increase drilling speed and lifespan by 4.
Add lubrication structure: as designed in patent CN220185556U, with built-in lubrication oil channels to reduce friction and wear.
Strengthening thread design: For example, patent CN221170299U adopts a convex ring structure to prevent thread slippage and improve fastening stability.
4. Proper installation and use
Matching drill bit and plate thickness: 8 # drill tail screw (4.2mm) 2 # tail is suitable for steel plates ≤ 3mm, 3 # tail is suitable for thicker materials 4.
Control installation torque: Avoid thread damage caused by over tightening or loosening caused by over loosening.
Avoid repeated use: Due to its self tapping nature, the drill tail screw may experience reduced performance when disassembled multiple times.
5. Maintenance and upkeep
Regular inspection: Replace promptly if rust or looseness is found.
Lubrication and maintenance: As described in patent CN220185556U, lubricating oil 1 can be injected through the built-in lubrication channel.
Avoid corrosive environments: If used in high humidity or chemical environments, stainless steel or nano coated screws are preferred.
