Flexible pole extension for magnetic field transfer

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    Flexible pole extension for magnetic field transfer

      You can use the flexible pole extensions to clamp workpieces with uneven surfaces without deformation and a significant loss of holding force. You can machine the component from 5 sides in one operation. Flexible pole extensions can be adapted to the workpiece shape. They eliminate clamping stress and make it possible to raise the workpiece over the clamping area to allow machining from 5 sides in one clamping operation.

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      How does magnet rental work?How does magnet rental work?

      We will gladly lend you a magnet for 14 days for free; you only pay for the shipping costs to and from you. Please inquire about the current availability of specific sizes in advance and send us your request via the inquiry form.

      Where can I find the product price?Where can I find the product price?

      We will be happy to prepare an exact price offer for you based on your non-binding inquiry. If you prefer a personal consultation, you can also directly contact our sales representatives, whose phone numbers can be found in the Contactssection.

      Product description

      Detailed description:

      Flexible pole extensions are able to eliminate irregularities up to 5 mm in size. They make it possible to obtain workpiece flatness without the necessity of using complex bedding. They must be combined with at least 3 fixed pole extensions to create a supporting plane for the workpiece. By using flexible pole extensions, machining efficiency is increased because you can carry out several operations at the same time thanks to the accessibility from 5 sides. Installation or re-arrangement of the extensions on the work surface of the chuck is easily done with screws.

      Flexible pole extensions drawing

      Documents for Download

      Moveable pole extensions for perfect compensation of uneven workpieces

      Movable (pivoting) pole extensions are an indispensable accessory for electro-permanent magnetic chucks, which solves the problem of clamping dimensionally inaccurate, deformed, or raw materials, such as castings, forgings, and weldments. These clever mechanical elements, manufactured by the Czech producer Walmag, are mounted on the magnetic poles of the chuck and, thanks to their spring-loaded or pivoting mechanism, automatically adapt to unevenness on the underside of the workpiece. In combination with fixed extensions, they thus form an ideal three-point or multi-point system that supports the material in its natural state, without the magnetic force forcibly straightening it beforehand. This completely eliminates internal stress in the material, and after the magnet is released after machining, the part retains one hundred percent flatness and geometric precision without unwanted springing back to its original warped shape.

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      Walmag products are in companies such as

      Service directly in the Czech Republic

      As one of the few companies on the market, we provide complete service, overhauls, and repairs for all our products. We also don't refuse inspections and testing of products from other brands. Our goal is for our magnetic systems to last you as long as possible. Therefore, we provide professional warranty and post-warranty service, repairs, and overhauls of all technologies, as well as operator training.

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      About Walmag

      Your supplier of magnetic applications for over 35 years
      We are a Czech manufacturer of high-quality lifting magnets, magnets for machining workholding, and demagnetizers. We offer warranty and post-warranty service, repairs, and overhauls of all our technologies.

      Why Walmag?

      • We've been manufacturingmagnets in Czechia since 1991

      • We manufactured90,000+ magnets

      • We service magnetsdirectly in Kroměříž

      • Our magnets are in morethan 61 countries worldwide

      Frequently Asked Questions (FAQ)

      Are your products made in the Czech Republic?Are your products made in the Czech Republic?

      Yes, the entire process – from in-house development through design, production, to final assembly and testing – takes place directly in our plant in Kroměříž. This gives us full control over quality and allows us to flexibly tailor products to specific customer requirements.

      What is the difference between permanent, electromagnetic, and electro-permanent systems?What is the difference between permanent, electromagnetic, and electro-permanent systems?

      Permanent Magnets: Operate without electricity, activated mechanically by a lever. They are safe, mobile, and maintenance-free.
      Electromagnets: Generate a magnetic field using coils powered by mains electricity. They possess immense strength, can clamp uneven surfaces, and allow force regulation, but require a constant power supply and backup sources.
      Electro-permanent Magnets: Combine the advantages of both systems. They only require electric current for a fraction of a second for activation (magnetization) and deactivation. During operation itself, they do not need current, making them extremely safe even in the event of a power outage and preventing overheating.

      Can your lifting magnets also be used for handling materials at high temperatures?Can your lifting magnets also be used for handling materials at high temperatures?

      Conventional permanent magnets lose their strength at temperatures above 80 °C. However, for operations with higher temperatures, we offer special series (e.g. HOT lifting magnets) that can safely handle materials with temperatures up to 180 °C.

      Why is it necessary to use a demagnetizer after machining?Why is it necessary to use a demagnetizer after machining?

      Ferromagnetic materials retain residual magnetism after being exposed to a magnetic field (e.g., when clamped onto a magnetic chuck). This causes metal chips and dust to stick to the workpiece, which can damage tools or complicate further processing (e.g., painting, welding). Demagnetizers reliably remove this residual magnetism.

      Do you provide service and revisions for your products?Do you provide service and revisions for your products?

      Yes, for all our technologies, including older BUX, Walker, and Pilana brand products, we provide complete warranty and post-warranty service, repairs, overhauls, and original spare parts. We also perform mandatory periodic certifications, inspections, and load capacity testing of lifting magnets.

      Do you also offer staff training?Do you also offer staff training?

      Yes. As part of the delivery of our magnetic applications and large systems, we provide professional operator training to ensure that working with magnets is as efficient and safe as possible.

      How can I contact you if I am interested in a tailored solution?How can I contact you if I am interested in a tailored solution?

      You can contact us by e-mail at info@walmag.cz, by phone at +420 573 341 641, or directly contact our regional sales managers for the Czech Republic and abroad, whose contact details can be found in the Contact section of our website.

      How is heavy goods (e.g. clamping plates) delivered?How is heavy goods (e.g. clamping plates) delivered?

      Due to the higher weight of our products, we cooperate with specialized pallet and parcel carriers who ensure safe handling.

      How is the safety of lifting magnets purchased from the e-shop guaranteed?How is the safety of lifting magnets purchased from the e-shop guaranteed?

      All lifting magnets comply with the strict ČSN EN 13155 standard and operate with a safety factor of 3+. This means that in a pull-off test (the so-called Air Gap test, which simulates a real air gap/dirt in operation), the magnet can lift more than three times its declared maximum load capacity.

      Where can I find user manuals and technical documentation?Where can I find user manuals and technical documentation?

      Technical sheets, catalogues, and operating instructions for individual products are available either on the product's page or upon request.

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