Used grinding machines - cylindrical centerless grinders

CNC	Yes

Type of CNC	FANUC 0iTD

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Grinding wheel width	160 mm
Grinding wheel speed	1200 rpm

Grinding wheel diameter	508 mm
Grinding wheel bore	127 mm

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Introduction to Cylindrical Centerless Grinding Machines

Cylindrical centerless grinding machines are essential tools in the metalworking industry, designed for the precision grinding of cylindrical components without the need for centers to hold the workpiece. This grinding method is highly efficient for producing parts with high accuracy and surface finish, making it indispensable in industries such as automotive, aerospace, medical device manufacturing, and general engineering.

Types of Cylindrical Centerless Grinding Machines

Cylindrical centerless grinding machines come in various configurations, each suited to specific grinding needs and production requirements:

Infeed (Plunge) Grinding: This method involves feeding the workpiece into the grinding wheel to grind specific sections without axial movement. It is ideal for parts with complex shapes and varying diameters.
Throughfeed Grinding: In this method, the workpiece is fed continuously through the grinding wheels, making it suitable for grinding long, cylindrical parts with consistent diameters.
Endfeed Grinding: Combines elements of both infeed and throughfeed grinding. The workpiece is axially fed into the grinding wheels, making it ideal for parts with tapered sections.

Key Features and Specifications

When selecting a cylindrical centerless grinding machine, several key features and specifications should be considered to ensure it meets production needs:

Grinding Capacity: The maximum diameter and length of the workpieces that the machine can handle. This is crucial for ensuring the machine can accommodate the desired part sizes.
Wheel Size and Speed: The size and speed of the grinding wheel affect the grinding process's efficiency and quality. Larger wheels are suitable for high-volume production, while variable speed control allows for flexibility in grinding different materials.
Automation Level: Depending on production volume, the level of automation (manual, semi-automatic, or fully automatic) impacts efficiency and throughput.
Precision and Accuracy: The machine's ability to maintain tight tolerances and achieve high surface finishes, which is essential for high-quality parts.
Coolant System: Effective cooling systems are necessary to dissipate heat generated during grinding, preventing thermal damage to the workpiece and grinding wheels.
Ease of Setup and Operation: User-friendly controls and features that facilitate quick setup and adjustments can enhance productivity and reduce downtime.

Advantages of Using Cylindrical Centerless Grinding Machines

Investing in high-quality cylindrical centerless grinding machines offers numerous benefits:

High Precision and Accuracy: Ensures parts meet exact specifications, which is critical for high-performance applications.
Increased Efficiency: Automated and high-speed grinding processes reduce production times and labor costs.
Versatility: Capable of handling various part sizes and shapes, catering to diverse manufacturing needs.
Improved Surface Finish: Achieves superior surface finishes, reducing the need for additional finishing processes.
Reduced Workpiece Handling: The absence of centers and chucks simplifies loading and unloading, enhancing productivity.

Considerations When Buying a Cylindrical Centerless Grinding Machine

To select the right cylindrical centerless grinding machine for your needs, consider the following factors:

Production Volume: Determine the volume of parts to be produced to choose a machine with suitable capacity and speed.
Part Specifications: Ensure the machine can handle the specific diameters, lengths, and shapes of the parts you need to grind.
Precision Requirements: Match the machine’s precision capabilities with your quality standards.
Budget: Balance the initial investment with long-term operational costs, including maintenance and consumables.
Service and Support: Evaluate the availability of technical support and maintenance services for the machine.
Training: Assess the need for operator training to effectively use the machine’s advanced features.

Popular Brands and Pricing

Several reputable brands manufacture cylindrical centerless grinding machines known for their reliability and performance. Here are a few notable ones:

Studer: Known for high-precision grinding machines, Studer offers a range of models suitable for various applications. Prices typically range from $100,000 to over $500,000, depending on the model and specifications.
Cincinnati: A leading manufacturer of centerless grinding machines, Cincinnati provides robust and efficient solutions. Pricing generally ranges from $80,000 to $450,000.
Danobat: Specializes in advanced grinding technology, offering machines with high automation and precision. Prices typically range from $120,000 to over $600,000.
TGS (Total Grinding Solutions): Provides a variety of centerless grinding machines with a focus on high performance and affordability. Pricing generally falls between $90,000 and $400,000.
Junker: Known for their innovative grinding solutions, Junker machines are used in various high-precision industries. Prices typically range from $150,000 to over $700,000.

Conclusion

Cylindrical centerless grinding machines are essential tools in the metalworking industry for producing high-precision cylindrical parts. With different types such as infeed, throughfeed, and endfeed grinding, selecting the right machine depends on specific production needs and part specifications. Key factors to consider include grinding capacity, wheel size and speed, automation level, precision, coolant system, and ease of operation. Leading brands like Studer, Cincinnati, Danobat, TGS, and Junker offer a range of high-quality cylindrical centerless grinding machines to suit different applications and budgets. By carefully evaluating production volume, part specifications, precision requirements, and budget, businesses can invest in the right cylindrical centerless grinding machine to enhance their manufacturing capabilities and ensure consistent, high-quality part production.

Used grinding machines - cylindrical centerless grinders 140

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Introduction to Cylindrical Centerless Grinding Machines

Types of Cylindrical Centerless Grinding Machines

Key Features and Specifications

Advantages of Using Cylindrical Centerless Grinding Machines

Considerations When Buying a Cylindrical Centerless Grinding Machine

Popular Brands and Pricing

Conclusion

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