Knowledge Column - HonWay Materials -Leading Brand of Diamond Grinding and Polishing Tools in Taiwan

How to Dress Grinding Wheels with Different Bond Type

Different types of grinding wheels have different dressing purposes and methods. For example, traditional abrasive grinding wheels are mainly dressed to remove dulled abrasive grains and restore cutting ability.
Superabrasive grinding wheels, on the other hand, focus on maintaining shape accuracy, improving cutting performance, and preventing surface clogging.
Furthermore, grinding wheels with different bond type, such as resin, metal, ceramic, and electroplated bonds, also have different dressing methods.
This article will explore the dressing requirements and methods of various types of grinding wheels, and analyze the impact of different dressing equipment on machining quality, to help readers choose appropriate dressing strategies and ensure optimal grinding results.

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Breakthrough Zeolite ZMQ-1 Converts Heavy Oil into High-Value Fuels

Knowledge Column, Technological Insights / honway

Recently, a research team from the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences has developed a groundbreaking aluminosilicate zeolite, ZMQ-1. This new material successfully overcomes the limitations of traditional zeolites in processing large molecules, such as pore size constraints, stability issues, and catalytic efficiency. The breakthrough represents a major advancement in catalytic processes within the petrochemical industry. The research findings were published in Nature, highlighting that ZMQ-1 is the first aluminosilicate zeolite with an intrinsically interconnected 28-ring mesoporous structure.

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What Are Truing and Dressing of Grinding Wheels?

A complete guide to grinding wheel technology, Knowledge Column, Science Classroom / honway

In precision machining, grinding wheels serve as the core tool for grinding operations, and their performance directly affects machining quality and efficiency. Truing and dressing of grinding wheels are crucial factors that influence grinding effectiveness.

Most people tend to focus more on factors such as abrasive materials and bonding agents, but in a grinding system, truing and dressing—topics introduced in this article—are often overlooked.

This article explores the fundamental concepts of dressing, the effects of insufficient or excessive dressing, and its application strategies in different production modes. It aims to help readers understand how to choose the appropriate dressing methods based on specific needs, thereby improving machining performance and economic benefits.

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Breakthrough in Titanium Research: Unveiling the Mystery of Metal Strength and Toughness

Knowledge Column, Technological Insights / honway

A research team from Yokohama National University has recently published a groundbreaking study in “Communications Physics”, shedding light on how titanium’s subatomic characteristics influence its unique physical properties. By employing an advanced technique called High Harmonic Generation (HHG), the team overcame limitations of traditional methods. This discovery not only provides fresh perspectives for titanium alloy development but also offers significant insights into materials science.

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Abrasives – Introduction to Cubic Boron Nitride (CBN)

A complete guide to grinding wheel technology, Knowledge Column, Science Classroom / honway

Cubic Boron Nitride (CBN), a synthetic material second only to diamond in hardness, has rapidly become an essential abrasive for processing high-hardness materials due to its exceptional durability, high-temperature stability, and chemical inertness. The extensive applications of CBN not only enhance machining efficiency but also overcome the limitations of diamond abrasives in certain materials and high-temperature processing, making it a critical technological support in industries such as automotive, aerospace, and cutting tool manufacturing.

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Grinding Wheel Dressing and Sharpening Methods

A complete guide to grinding wheel technology, Knowledge Column, Science Classroom / honway

Dressing a grinding wheel refers to using a dressing tool to shape the wheel or remove the dulled surface layer, thereby restoring the grinding performance and correct geometric shape of the working surface. Timely and proper wheel dressing, along with the correct use of a diamond dressing tool, is essential for improving grinding efficiency and ensuring quality.

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Nanofiber-Peptide Innovation: A Revolutionary Waterproof Paper to Replace Plastic

Knowledge Column, Technological Insights / honway

In the global pursuit of eco-friendly alternative materials, researchers from the Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta” at Politecnico di Milano, in collaboration with Aalto University in Finland, VTT Technical Research Centre of Finland, and the CNR SCITEC Research Institute, have successfully developed a sustainable hydrophobic paper combining high strength and waterproof properties. This groundbreaking research offers a biodegradable alternative to conventional petroleum-based materials and presents potential applications in packaging and biomedical devices.

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Selecting the Optimal Abrasive Based on Material Characteristics

A complete guide to grinding wheel technology, Knowledge Column, Science Classroom / honway

Different abrasives offer distinct advantages based on their characteristics and applications. Aluminum oxide abrasives (A, WA), known for their toughness and stability, are suitable for machining materials with high tensile strength, such as mild steel and stainless steel. Silicon carbide abrasives (C, GC), with their high brittleness, excel in processing hard and brittle materials like cast iron and ceramics, especially in operations involving large contact areas. Zirconia abrasives, due to their high toughness, perform exceptionally well under heavy grinding loads, making them ideal for tough austenitic stainless steels. Superabrasives (diamond and CBN), with their extreme hardness, are the optimal choice for machining ultra-hard alloys, ceramics, and difficult-to-machine materials. Choosing the right abrasive not only enhances grinding efficiency but also reduces processing costs and meets diverse machining requirements.

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What is Bonding Degree and How Do I Choose?

A complete guide to grinding wheel technology, Knowledge Column, Science Classroom / honway

The selection of a grinding wheel’s bond strength is a critical aspect of grinding operations. It must be based on grinding theory while considering multiple factors, including the physical properties of the workpiece, the relative speed of the grinding wheel and workpiece, the size of the contact area, the grinding method, and the stability of the mechanical equipment.
Soft workpieces are best suited for hard grinding wheels, while hard workpieces require soft grinding wheels. For high-speed operations, softer bond strengths are preferable, whereas low-speed operations favor harder bond strengths. Workpieces with large contact areas require soft grinding wheels, while those with small contact areas are better suited to hard grinding wheels. Manual grinding and equipment with high vibration call for hard grinding wheels, while stable mechanical grinding is better suited to soft grinding wheels.
Selecting the appropriate bond strength not only enhances grinding efficiency and processing quality but also extends the life of the grinding wheel and reduces costs, providing a foundation for efficient and cost-effective machining.

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Is it my problem or not that the polishing slurry foams a lot?

Knowledge Column, Science Classroom / honway

Appropriate foaming can significantly improve the polishing process, resulting in better surface finish and shorter processing time. However, excessive foaming or a lack of foam can lead to longer processing time or poor polishing results. This article outlines the potential causes of foaming issues, explains their impacts, and provides solutions to improve processing efficiency and workpiece quality.

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