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Locking washer(10) - List of Manufacturers, Suppliers, Companies and Products

Locking washer Product List

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[Case Study] Achieved a design that stabilizes axial force within a 10% error margin.

[Case Study] Achieved a design that stabilizes axial force within a 10% error margin.

Achieved a design that stabilizes axial force within a 10% margin of error with a locking washer and lubricant coating.

We would like to introduce a case where we proposed "Nord-Lock washers + Zorbest coating" to the manufacturing industry. While implementing measures to prevent failures caused by loosening screws, there was a challenge in wanting to achieve high precision in axial force using lubricants, as most anti-loosening products could not be used in conjunction with lubricants. After the proposal, we successfully manufactured vehicle parts with high difficulty in design, contributing to the reduction of labor in the lubricant application process. [Overview of the Challenges] - To meet the demands of the end user (railway company), the design of vehicle parts had to be more stringent than usual. - While wanting to prevent failures caused by loosening screws and achieve high precision in axial force, most anti-loosening products could not be used with lubricants. - Even if there were anti-loosening products that could be used with lubricants, the application process was labor-intensive. *For more details, please refer to the related links or feel free to contact us.

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Locking washer "Nord-Lock washer"

Locking washer "Nord-Lock washer"

A washer that is easy to install and remove, and does not loosen even under intense vibrations.

The "Nord-Lock Washer" is a locking washer with a wedge shape on the inside and radial ribs on the outside. By combining Nord-Lock Washers, a powerful effect is achieved. When the bolt is tightened, the ribs bite into the clamped object and the nut, absorbing any loosening of the bolt and nut due to the wedge effect, which actually increases the tension of the bolt. Additionally, the angle of the inner wedge is designed to be larger than the thread lead angle, ensuring that the nut does not loosen by more than one thread even under severe vibrations. 【Product Lineup】 ■ Nord-Lock Washer SC Material NL8 ■ Nord-Lock Washer SC Material NL10 ■ Nord-Lock Washer SC Material NL18 ■ Nord-Lock Washer SC Material NL27 ■ Nord-Lock Washer SC Material NL33, etc. *Please feel free to contact us for more details.

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Nord-Lock Washer (R) X Series

Nord-Lock Washer (R) X Series

Simultaneously solves rotational and non-rotational looseness! Since it does not rely on friction, it can be used in conjunction with lubricants.

The "Nord-Lock Washer® X Series" is a product that can simultaneously solve two important issues in bolt fastening: "rotation loosening due to vibration" and "non-rotation loosening due to settling or relaxation of materials such as metal." Rotation loosening is prevented by a wedge locking mechanism, while the "spring effect," a feature of the X Series, addresses non-rotation loosening. When the bolt is tightened, the washer, shaped like a disc spring, flattens and grips the joined components. 【Features】 ■ Prevents both rotation loosening and non-rotation loosening simultaneously ■ Can be used with lubricants as it does not rely on friction ■ Provides a loosening prevention effect that is safe, easy, and reliable for anyone *For more details, please refer to the related links or feel free to contact us.

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For secure, reliable, and easy fastening, use Hi-Lock Wedge Lock Washers.

For secure, reliable, and easy fastening, use Hi-Lock Wedge Lock Washers.

Reliable, safe, and easy HEICO-LOCK® standard type.

HEICO-LOCK(R) wedge lock washers protect bolts from rotational loosening not through friction, but by using 'axial force (preload).' Born in Germany, HEICO-LOCK(R) provides high anti-loosening performance and reliability even under intense vibrations and dynamic loads. The anti-loosening effect of the HEICO-LOCK(R) series has been verified through vibration tests in accordance with international standards: - German Industrial Standards (DIN 65151, DIN 25201-4) - U.S. Aerospace Standards (NASM 1312-7) 【Features】 ■ The inner surface of the washer has a wedge-shaped cam surface, while the outer surface has radial teeth. ■ The radial teeth on the outer surface of the washer firmly spike into the bolt/nut and the joined material. ■ The movement of the system occurs only between the wedge-shaped cam surfaces on the inside of the washer. ■ Movement at the wedge-shaped cam surfaces effectively increases the axial force of the bolt. ■ It provides reliable fastening strength under dynamic loads. *Please feel free to contact us for more details.

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  • nut

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Why doesn't HEICO-LOCK® loosen?

Why doesn't HEICO-LOCK® loosen?

Why doesn't HEICO-LOCK® loosen?

Reliable, safe, and easy-to-use HEICO-LOCK(R) locking device An explanation of the principles supporting this locking device. 1. Hardness difference: H (HEICO) > H (material) The surface hardness of the washer is harder than that of the general fastening material and nut/bolt, and it firmly spikes into the surface of the fastening material and bolt/nut. 2. Friction difference: μ (a) > μ (i) Friction coefficient of the wedge-shaped cam surface on the inside of the washer: μ (i) Friction coefficient of the radial tooth surface on the outside of the washer: μ (a) 3. Angle difference: α > β Angle of the cam surface on the inside of HEICO-LOCK(R): α Lead angle of the screw: β 4. Axial force (preload) difference: F (dyn) > F (stat) Dynamic axial force (dyn) in an environment where a load in the loosening direction occurs Static axial force (stat) during tightening The locking effect of the HEICO-LOCK(R) series has been demonstrated through vibration tests in accordance with international standards. - German Industrial Standards (DIN 65151, DIN 25201-4) - U.S. Aerospace Standards (NASM 1312-7)

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  • bolt
  • nut

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