Why use a stop ring?

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Stop rings are essential mechanical elements that allow other components to be attached or positioned laterally on a shaft. Stop rings are mechanical components designed to maintain the precise alignment of moving parts, thus minimizing premature wear and guaranteeing efficient power transmission.

Stop rings in accordance with DIN 705 NFE 22161 standards offer an effective solution for locking elements on shafts. They are commonly used in the paper, printing and packaging industries, especially in conveyor belt applications.

Their high strength and ease of tightening allow for increased efficiency and a reduction in assembly costs. They can also be attached to other components for versatile and economical use.

Thanks to a precise fit and an optimal distribution of the clamping forces, they can be mounted without play and without the risk of damaging the trees.

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How do you install a stop ring?

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The installation does not require special knowledge or skills, simplified assembly, thus maintaining the integrity of the tree.

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Assembly instruction

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• Verify that the hole on the stop ring is flawless.
• Apply a thin coat of oil to the tree if possible.
• Position the stop ring on the shaft where you want it to be.
• Gradually tighten the ring until it is securely attached to the shaft.

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Choose your stop ring

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To ensure reliable power transmission, the choice of stop ring materials is crucial. Opting for top quality materials, such as stainless steel or specific alloys, guarantees corrosion resistance and exceptional durability even in demanding environments.

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The market offers a variety of stop rings, each adapted to specific applications. When choosing stop rings for your transmission system, consider the following factors:

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The material

The standard for stop rings din 705 nfe 22161 made by Gardette is made of 9SMnPb28K steel. On the other hand, on request, we can provide you with various materials.

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• Carbon steels (C22, C45...)
• Low alloy steels (42CrMo4, 16NiCr6...)
• Tool steels (90Mnv8, 100Cr6...)
• Stainless steel (304, 304L, 316Ti...)

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Dimensions and tolerances

Select stop rings with precise dimensions that match the specifications of your shaft. The tight tolerances ensure an optimal fit and uncompromising performance.

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Environmental conditions

Consider the environment in which your system will operate. Stop rings with special coatings or heat treatments may be required to withstand severe conditions, such as extreme temperatures or corrosive atmospheres.

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Loads and speeds

Evaluate the loads and speeds to which your stop rings will be subjected. Choose models that can handle these conditions to ensure a long operational life.