High Precision Vacuum Workholding System Large Size Precision Vacuum Chucks

Specifications

Specification	Magnetic attraction	Width (mm)	Length (mm)	Height (mm)	Weight (kg)
150*150	≥40KG	150	150	80	13.5
150*300	≥40KG	150	300	80	27
150*350	≥40KG	150	350	80	31.5
150*400	≥40KG	150	400	80	36
200*200	≥40KG	200	200	80	24
200*300	≥40KG	200	300	80	36
200*400	≥40KG	200	400	80	48
200*500	≥40KG	200	500	80	60
250*500	≥40KG	250	500	80	75
300*300	≥40KG	300	300	80	54
300*400	≥40KG	300	400	80	72
300*500	≥40KG	300	500	80	90
300*600	≥40KG	300	600	80	108
300*800	≥40KG	300	800	80	144
400*400	≥40KG	400	400	80	96
400*500	≥40KG	400	500	80	120
400*600	≥40KG	400	600	80	144
400*800	≥40KG	400	800	80	192
500*500	≥40KG	500	500	80	150
500*600	≥40KG	500	600	80	180
500*800	≥40KG	500	800	80	240
600*800	≥40KG	600	800	80	288
600*1000	≥40KG	600	1000	80	360

2. Working Principle of the Vacuum Workholding System​

Vacuum Generation and Pressure Differential​

The working principle of the vacuum workholding system is based on the creation of a pressure differential. When a vacuum source, such as a vacuum pump, is connected to the vacuum chuck, air is rapidly drawn out through the ports on the chuck's surface. This creates a region of low pressure beneath the workpiece, while the atmospheric pressure above the workpiece remains constant.​

The resulting pressure differential exerts a downward force on the workpiece, pressing it firmly against the chuck surface. The strength of the vacuum, measured in units such as Pascals or Torr, determines the magnitude of the pressure differential and, consequently, the holding force on the workpiece. The larger the surface area of the workpiece in contact with the chuck, the greater the holding force, as the pressure differential acts over a larger area.​

Adaptive Holding for Different Workpiece Materials​

Large - size precision vacuum chucks are designed to adapt to a wide range of workpiece materials. For smooth - surfaced materials such as metals and plastics, the vacuum creates a strong seal, providing a secure hold. In the case of porous or rough - surfaced materials like wood or certain composites, the vacuum system can be adjusted to account for the material's properties.​

For example, when working with porous materials, a higher vacuum pressure may be required to compensate for the air leakage through the pores. Some advanced vacuum chucks are equipped with sensors that can detect the material type and adjust the vacuum pressure accordingly, ensuring a consistent and secure hold regardless of the workpiece material.​

3. Advantages in Precision Machining​

High - Precision Machining​

In precision machining, accuracy is of utmost importance. The large - size precision vacuum chucks offer a stable and secure workholding solution, minimizing any movement or vibration of the workpiece during machining. The uniform vacuum distribution across the workpiece surface ensures that the machining tool can operate with high precision, resulting in tight tolerances and smooth surface finishes.​

For example, in the aerospace industry, where components such as wing panels and engine parts require extremely tight tolerances, the use of large - size precision vacuum chucks enables the machining of these components with the required accuracy. The stable hold provided by the vacuum chuck also reduces the risk of tool breakage, as the tool is less likely to encounter unexpected forces due to workpiece movement.​

Versatility in Workpiece Handling​

These vacuum chucks are highly versatile in handling different workpiece shapes and sizes. Whether it's a large, flat panel or a complex - shaped component, the vacuum chuck can provide a secure hold. The ability to hold irregularly shaped workpieces is particularly valuable in industries such as mold making, where the vacuum force can conform to the intricate contours of the mold.​

The large - size design also allows for the simultaneous machining of multiple smaller workpieces. By arranging the workpieces on the chuck's surface, manufacturers can increase productivity by machining multiple parts in a single operation. This versatility makes the large - size precision vacuum chucks suitable for a wide range of applications across different industries.​

Gentle Workholding​

One of the significant advantages of vacuum workholding is its gentle nature. Unlike mechanical clamping methods that may apply concentrated forces on the workpiece, which can cause deformation or damage, the vacuum hold distributes the force evenly across the entire surface of the workpiece. This is especially important when working with delicate or thin - walled workpieces, such as those in the electronics or medical device industries.​

For example, when machining a thin - walled aluminum alloy component for a medical device, the gentle vacuum hold ensures that the component remains intact and free from any deformation, while still providing a secure grip for the machining process.​

4. Applications in Different Industries​

Aerospace Industry​

In the aerospace industry, large - size precision vacuum chucks are used for machining a variety of components, including aircraft wings, fuselage sections, and engine parts. The high - precision machining capabilities of the vacuum chucks are essential for meeting the strict quality and safety standards of the aerospace industry. The ability to hold large and complex - shaped components securely also enables the efficient production of these critical aerospace parts.​

Automotive Industry​

In the automotive industry, the vacuum chucks are used for machining large - scale components such as car body panels, engine blocks, and transmission parts. The stable workholding provided by the vacuum chuck ensures accurate machining, which is crucial for maintaining the performance and safety of automobiles. The versatility of the vacuum chuck in handling different materials, including steel, aluminum, and composites, makes it suitable for the diverse range of components produced in the automotive industry.​

Electronics Industry​

In the electronics industry, large - size precision vacuum chucks are used for machining large - format printed circuit boards (PCBs), flat - panel displays, and other electronic components. The gentle workholding of the vacuum chuck is particularly beneficial when handling delicate electronic components, preventing any damage during the machining process. The ability to hold multiple smaller components simultaneously also increases the efficiency of electronics manufacturing.​

5. Customization and Integration​

Customization Options​

Large - size precision vacuum chucks can be customized to meet the specific requirements of different industries and applications. The size, shape, and layout of the vacuum ports can be tailored to fit the dimensions and geometry of the workpieces. Additionally, the vacuum system can be integrated with advanced features such as vacuum pressure sensors, controllers, and automated clamping systems.​

For example, in a manufacturing process where the vacuum pressure needs to be precisely controlled based on the material and machining operation, a vacuum chuck with an integrated pressure sensor and controller can be customized. This allows for real - time monitoring and adjustment of the vacuum pressure, ensuring optimal workholding conditions.​

Integration with CNC Machines​

These vacuum chucks are designed to be easily integrated with Computer Numerical Control (CNC) machines. The integration process typically involves connecting the vacuum source to the chuck and calibrating the CNC machine's control system to work in tandem with the vacuum chuck. In some cases, the CNC machine may be programmed to automatically activate and deactivate the vacuum chuck based on the machining sequence.​

The seamless integration of the vacuum chuck with CNC machines enables precise control over the machining process, as the machine can account for the workholding conditions. This integration also allows for the automation of the machining process, further increasing productivity and reducing the risk of human error.​

6. Installation and Maintenance​

Installation Process​

Installing a large - size precision vacuum chuck involves several steps. First, the chuck needs to be securely mounted on the worktable of the machining equipment. This may require the use of appropriate mounting brackets and fasteners to ensure stability. The vacuum source, such as a vacuum pump, is then connected to the chuck's vacuum ports, and the connections are checked for leaks.​

Once the physical installation is complete, the vacuum system needs to be calibrated to ensure proper vacuum generation and distribution. This may involve adjusting the vacuum pressure, testing the sealing mechanisms, and verifying the performance of any integrated sensors or controllers. In some cases, the machining equipment's control system may need to be configured to recognize and communicate with the vacuum chuck.​

Maintenance Requirements​

Maintenance of large - size precision vacuum chucks is relatively straightforward. Regular inspection of the chuck's surface for any signs of wear, damage, or contamination is essential. The vacuum channels and ports should be cleaned periodically to remove any debris or particles that could affect the vacuum flow. The sealing mechanisms, such as gaskets, should be checked for wear and replaced if necessary.​

The vacuum pump, if used, should be maintained according to the manufacturer's instructions, including regular oil changes, filter replacements, and performance checks. The integrated sensors and controllers, if any, should be calibrated periodically to ensure accurate operation. By following these maintenance procedures, the vacuum chuck can maintain its performance and reliability over an extended period.​

7. Conclusion​

Large - size precision vacuum chucks are an integral part of the vacuum workholding system, offering numerous advantages for modern manufacturing. Their unique design, working principle, and versatility make them suitable for a wide range of industries and applications. Whether it's achieving high - precision machining in the aerospace industry, handling large - scale components in the automotive industry, or protecting delicate electronics components, these vacuum chucks provide a reliable and efficient workholding solution. If you are involved in manufacturing processes that require precise and secure workpiece holding, consider investing in a large - size precision vacuum chuck. Reach out to our team of experts to explore how these chucks can be customized to meet your specific needs and take your manufacturing capabilities to the next level.

Dongguan Hie Hardware Co., Ltd is a metal products enterprise with a profound history of twenty years. We are an integrated entity that combines research and development, manufacturing, sales, and service. We are not only an OEM processing manufacturer for many domestic and foreign mold accessories counterparts but also a pioneer in the field of minimally invasive surgical instruments.

In the design and manufacture of minimally invasive surgical instrument structural components and fine metal combination pipe fittings, we focus on the design and manufacture of minimally invasive surgical structure space components, covering surgical components such as endoscopic structures, ablation structures, puncture analysis, sampling biopsy analysis, endoscopic intervention, suture cutting, heart stents, and vascular stents. Our technical team with twenty years of manufacturing experience has broken through various technical barriers in minimally invasive structure manufacturing, effectively addressing the high complexity of the process of minimally invasive instrument structural components. With advanced manufacturing processes such as multi-pole expansion and contraction, non-standard surface marking, arbitrary latitude bending, step forming, multiple side holes, multi-axis welding, six-axis component forming, pipe body expansion and contraction, micro-tube cutting, multi-level surface perforation, surface partial insulation, surface partial roughness, clean slender inner tubes, and non-sticking liquid in liquid-conducting tubes, we can meet the design needs of various high-difficulty special-shaped parts for customers and have received unanimous recognition and long-term cooperation from domestic and foreign customers. 

In the field of mold accessories manufacturing, our technical backbones have decades of processing experience in mold parts from Japan and Taiwan. The company regularly conducts various skill trainings and grade evaluations to lay a solid foundation for continuous development in the mold parts manufacturing industry and gradually move towards industry standardization and modernization. We always strictly follow the technical standards of manufacturers such as "MISUMI", "Punch", "DME", and "HASCO" for production and inspection. We can also design and provide various standard and non-standard mold accessories according to different customer requirements. We specialize in manufacturing precision photoelectric tooth shafts, screw thread electrodes, pen mold cores, cosmetic parts, precision inserts, cores, bushings, and SKH51/SKD61 series cartridge ejector pin mold accessories, etc. Our products are widely used in fields such as photoelectric, digital electronics, medical packaging instruments, pen making, cosmetic packaging, electrical appliances, automobiles, and mechanical motor shaft manufacturing. In particular, we have significant advantages in non-standard mold accessories processing, various wear-resistant block processing, guide pillar and bushing processing, non-standard insert processing, precision plastic mold accessories processing, etc., providing customers with a full range of solutions for precision mold accessories processing.

The company holds multiple independent product structure manufacturing patents and has passed ISO9001:2015 and ISO13485 quality system certifications. With excellent quality, exquisite craftsmanship, innovative design, and high-quality service, we are committed to creating greater value for customers.