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What are some innovative workholding solutions for high-speed machining and automation?

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High-speed machining and automation are increasingly important for improving productivity, quality, and flexibility in the manufacturing industry. However, they also pose challenges for workholding, the process of securing and positioning the workpiece for machining operations. Traditional workholding methods, such as clamps, vises, and chucks, may not be able to cope with the high forces, vibrations, and accuracy requirements of modern machining processes. Moreover, they may limit the accessibility and flexibility of the cutting tools and the automation systems. Therefore, innovative workholding solutions are needed to enable high-speed machining and automation in various applications. In this article, we will explore some of these solutions and how they can benefit your manufacturing process.

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Jake Hall

#TheManufacturingMillennial | Manufacturing | Automation | Skilled Trades | Keynote Speaker | Industry 4.0

1 Vacuum workholding

Vacuum workholding is a method of using suction to hold the workpiece on a flat surface, such as a table or a pallet. Vacuum workholding is ideal for thin, flat, or flexible parts that are difficult to clamp or fixture. It also provides a large clamping area and a clear access for the cutting tools and the automation devices. Vacuum workholding can be achieved by using dedicated vacuum tables, vacuum chucks, or vacuum pods. Depending on the size, shape, and material of the workpiece, different types of vacuum systems and seals can be used to create a strong and reliable suction force.

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Anthony Devereux

Chief Executive Officer at Arrow Diamond Tooling
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It is important to remember that, with all vacuum systems, the grip is only as good as the equipment providing it. It must be up to the job! You will only ever have 1Bar (1 Atmosphere 14psi) to work with, any Leake or weaknesses will let you down fast.

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2 Magnetic workholding

Magnetic workholding is a method of using magnetic force to hold the workpiece on a magnetic base, such as a chuck or a plate. Magnetic workholding is suitable for ferromagnetic parts that are hard, thick, or irregular in shape. It also offers a high clamping force and a low distortion of the workpiece. Magnetic workholding can be controlled by using permanent magnets, electromagnets, or electro-permanent magnets. Depending on the polarity, geometry, and intensity of the magnetic field, different types of magnetic systems and poles can be used to adapt to various machining conditions.

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Jake Hall

#TheManufacturingMillennial | Manufacturing | Automation | Skilled Trades | Keynote Speaker | Industry 4.0
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Magnetic workholding systems offer faster and more efficient setup times, increased precision and accuracy, improved productivity, and reduced tool wear and tear. They also allow for easier access to the workpiece and can accommodate various shapes and sizes

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3 Modular workholding

Modular workholding is a method of using standardized and interchangeable components to build customized fixtures for different workpieces. Modular workholding is versatile and flexible for various parts that have complex shapes, features, or tolerances. It also enables a quick and easy changeover and alignment of the fixtures and the workpieces. Modular workholding can be achieved by using modular components, such as base plates, clamps, supports, locators, and adapters. Depending on the configuration, orientation, and connection of the components, different types of modular systems and interfaces can be used to optimize the fixture design and performance.

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4 Hybrid workholding

Hybrid workholding is a method of combining two or more workholding methods to achieve a better result than using a single method. Hybrid workholding is useful for parts that have mixed characteristics, such as different materials, sizes, shapes, or surfaces. It also allows a higher degree of flexibility and adaptability for various machining scenarios. Hybrid workholding can be achieved by using different combinations of workholding methods, such as vacuum and magnetic, magnetic and modular, or vacuum and modular. Depending on the compatibility, integration, and synergy of the workholding methods, different types of hybrid systems and solutions can be used to enhance the workholding efficiency and effectiveness.

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5 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Anthony Devereux

Chief Executive Officer at Arrow Diamond Tooling
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It is also very important to remember. The machine that take s the tool to the work. It is the apparatus that holds the work. In both cases the better they are the better the result. It is also worth noting, it is the cutting tool that does the work. If you want to reduce the vibration and forces involved during the machining process, a tool that has all the attributes required is essential.

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What are some innovative workholding solutions for high-speed machining and automation?

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1 Vacuum workholding

2 Magnetic workholding

3 Modular workholding

4 Hybrid workholding

5 Here’s what else to consider

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