Material classification of precision glass tubes
Precision glass tubes can be divided according to materials: high silicon borosilicate glass tubes, quartz glass tubes, neutral borosilicate glass tubes, crystal glass tubes, ordinary glass tubes, and special glass tubes.
High silicon borosilicate glass tube
Compared with ordinary glass, high-silicon borosilicate glass tubes have no toxic side effects. Its mechanical properties, thermal stability, water resistance, alkali resistance, acid resistance and other properties are greatly improved. It can be widely used in chemical industry, aerospace, military, household, In various fields such as hospitals, it can be made into lamps, dials, telescopes, observation holes for washing machines, microwave oven trays, solar water heaters and other products.
Cutting principle of glass materials
The cutting of glass utilizes the brittleness and residual stress of the glass to create a score at the cutting point to cause stress concentration. Under the action of external force, the fracture line spreads along the direction of the stress, thereby achieving the purpose of cutting the glass. For glass plates and glass tubes that are not too thick, diamond cutting blades or other tough tools can be used to cut and break them directly.At present, there are two kinds of processing of precision glass tubes: one is high temperature with hot processing technology, and the other is precision mechanical shaping with cold processing technology.
Moresuperhard's diamond cutting wheel for precision tubes
Moresuperhard offers resin diamond cutting discs and metal diamond cutting discs specifically for cutting in the glass industry. It can be used to cut glass optical devices such as quartz glass, K9 glass, coated glass, etc. It can also be used to cut various glass tubes, glass spouts, high borosilicate glass tubes, capillary glass tubes, quartz glass, and crystallized glass.
Advantages of cold diamond cutting disc for glass tubes
1. Good self-sharpening, sharp cutting, high efficiency, easy to achieve large cutting depth and large feed
2. The bonding agent is elastic and can improve the processing quality and workpiece finish.
3. Few or no trimming times required
4. The cutting edge is smooth and burr-free
When cutting long glass tubes, both ends of the glass tube must be fixed to avoid edge explosion.
PCD tools are made of polycrystalline diamond tips and cemented carbide substrates sintered at high temperature and high pressure.The production process of PCD tools includes cutting of PCD blanks,welding PCD blanks to cemented carbide substrate ,cutting tools grinding, quality inspection, etc.Moresuperhard can provide all the consumables needed to produce PCD tools.
Cermet are widely used in various industries due to their excellent performance, but their grinding difficulty is often difficult. Although the hardness of metal ceramics is similar to that of cemented carbide, its processing challenges mainly come from high density and low thermal conductivity. This article will explore the characteristics of metal ceramic grinding and how to choose the right grinding wheel and binder to improve processing efficiency.
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