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Hydraulic Chuck High Accuracy Less Labor Intensity High Automatic Level

The hydraulic power chuck is an important functional part of all kinds of CNC turning machines. It is directly installed on the spindle of machine tools. It can get strong and stable clamping force through the hydraulic oil. Compared with manual chucks , power chucks have charactoristic of high accuracy, less labor intensity, high automatic level, etc. With the development of production, power chucks will gradually replace ordinary manual self centering chucks.
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Advantage

The Lathe Chuck offers a multitude of advantages that make it an indispensable tool in lathe operations. Firstly, its versatility stands out prominently. With the option of self-centering or independent jaws, it can handle a diverse range of workpieces. Self-centering jaws are ideal for quickly and easily clamping round workpieces with consistent diameters, such as pipes, rods, and cylindrical components. This feature significantly reduces the setup time, allowing for increased productivity, especially in high-volume production environments. Independent jaws, on the other hand, provide the flexibility to grip irregularly shaped workpieces, enabling intricate machining tasks that would otherwise be challenging or impossible. For example, when working with parts that have odd contours or require precise positioning of off-center features, independent jaws can be adjusted individually to secure the workpiece accurately.


Another key advantage is the high level of precision it provides. The design of the lathe chuck, with its precisely machined components and advanced clamping mechanisms, ensures that the workpiece is held in a fixed and accurate position. This precision is crucial for achieving tight tolerances and high-quality surface finishes. In industries where precision is paramount, such as aerospace and medical device manufacturing, the lathe chuck plays a vital role in producing components that meet strict quality standards. The ability to minimize vibrations and movement during machining also contributes to the extended lifespan of cutting tools, as they experience less stress and wear.


The ease of operation is yet another significant advantage. Key-operated lathe chucks offer a simple and intuitive way to control the clamping force, allowing operators to adjust it according to the specific requirements of the workpiece. Power-driven chucks, on the other hand, provide a faster and more convenient option, especially for heavy-duty applications. With the push of a button or the activation of a switch, the clamping and unclamping process can be completed quickly, reducing the physical effort required from the operator and further enhancing productivity.


Design

The design of the lathe chuck is a harmonious blend of functionality and durability. The body is constructed from sturdy materials like cast iron or forged steel to withstand the rigors of machining operations. The jaws are made from hardened steel to ensure a firm grip on the workpiece while maintaining their shape and integrity over time. The scroll mechanism in self-centering chucks is engineered for smooth and accurate movement of the jaws, while the individual screw mechanisms in independent chucks offer precise adjustment capabilities.


Applications

In the manufacturing of precision instruments, lathe chucks are used to hold delicate components during the machining process. The high precision of the chuck ensures that the final product meets the exacting specifications required for accurate measurements. In the automotive aftermarket, lathe chucks are essential for refurbishing and customizing engine parts, such as resurfacing crankshafts or modifying connecting rods.

For hobbyists and DIY enthusiasts, the lathe chuck enables a wide range of creative projects, from turning wooden bowls and vases to crafting metal jewelry and small mechanical parts. Its versatility and ease of use make it accessible to users with varying levels of experience.

Hydraulic chuck

Dimensions and specifications of 3H-A type are in the red data.

ModelPlunger stroke(mm)Jaw stroke(dia)Clamping range(mm)Max.D.B.pull(KN)Max.clamping force(KN)Max.speed(r/min)Moment of inertia(kg.m2)Matching cyl.Max.pressure(MPa)Weight(Kg)
3H-04105.47-11013.728.480000.01TH-5362.34
3H-05A4105.412-13517.135.870000.02TH-5362.96.77.5
3H-06A5125.515-16821.556.860000.06TH-6462.811.913.7
3H-08A5167.413-21034.385.850000.18TH-8522.822.525.4
3H-08A6167.413-21034.385.850000.18TH-8522.822.523.6
3H-10A6198.831-25442.6110.742000.33TH-10752.734.541.5
3H-10A8198.831-25442.6110.742000.33TH-10752.734.540
3H-12A82310.634-30454.9143.633000.77TH-12912.756.659.5
3H-15A82310.650-38171179.825002.47TH-15122.4120134
3H-15A112310.650-38171179.825002.39TH-15122.4120127
3H-18A112310.650-45071179.820004.78TH-15122.4164178


ModelABCDD1D2EE1FGmax.Gmin.H
3H-04110598570.6--4-263.5-6.517.5
3H-05A4135607111082.663.5139641533116-9620
3H-06A51688191140104.882.563116515451126-11419
3H-08A521091109170133.482.563104.85235214.537.5-1.521.520.5
3H-08A621091103170133.4106.3751505175214.531.5-1.515.520.5
3H-10A6254100120220171.4106.375133.4525758.533.5-10.514.525
3H-10A8254100113220171.4139.719190518758.526.5-10.57.525
3H-12A8304110122220171.4139.71919061891826-15328
3H-15A8381133160300171.4139.719171.4633120844-152128
3H-15A11381133149300235196.8692606221201133-121039
3H-18A11450133149300235196.8692606221201133-121039


ModelJKmax.LL1MNPOmax.Omim.Rmax.Rmin.STU
3H-0412M32x1.53-M101624521411.36.82320.32510-
3H-05A412M40x1.53-M10151531621419.87.826.523.825103-M6
3H-06A520M55x26-M10161637732022.89.33229.331123-M6
3H-08A530M60x26-M12201738952529.814.838.73535146-M10
3H-08A630M60x26-M12201838952529.814.838.73535143-M6
3H-10A645M85x26-M162218431103033.814.35146.640166-M12
3H-10A845M85x26-M162224431103033.814.35146.640163-M8
3H-12A850M100x26-M162325511303045.815.861.35650213-M8
3H-15A850M130x26-M203024631654347.318.28074.76225.5(22)6-M16
3H-15A1160M130x26-M203028631654347.318.28074.76225.5(22)3-M10
3H-18A1160M130x26-M203028631654379.218.28074.76225.5(22)3-M10


Q: What is the difference between a hydraulic and a pneumatic lathe chuck?

A: Hydraulic lathe chucks use hydraulic fluid to generate the clamping force. They typically offer higher clamping forces and more consistent performance, making them suitable for heavy-duty applications. Pneumatic lathe chucks, on the other hand, use compressed air to operate. They are generally faster in terms of clamping and unclamping, and they are often more cost-effective and require less maintenance. However, they may have lower clamping forces compared to hydraulic chucks.

Q: Can I replace the jaws of my lathe chuck?

A: Yes, in most cases, the jaws of a lathe chuck can be replaced. This is especially useful when the jaws are worn out or when you need to use different types of jaws for specific workpieces. Replacement jaws are usually available from the manufacturer or from specialized tool suppliers. Make sure to choose jaws that are compatible with your chuck model and size.

Q: How do I ensure that the workpiece is centered correctly in a self-centering lathe chuck?

A: For a self-centering lathe chuck, ensure that the jaws are clean and free of debris. When inserting the workpiece, make sure it is placed evenly between the jaws. You can also use a dial indicator to check the concentricity of the workpiece. If the workpiece is not centered correctly, try adjusting its position slightly or check if the jaws are worn or damaged.


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