Wear is erosion or sideways displacement of material from its derivative and original position from a solid surface performed by the action of another surface”. Friction is the main source of wear that eventually leads to size inconsistency, allowance increase, degradation of surface appearance. The nature of wear is very complex and the wear rate depends on many variables. At low load, the loss of material will take place through the failure of single grains or part of it. At higher load, the loss of material takes place by cluster of grains being detached. This process is known as abrasion and usually happens at macroscopic level while the first one affect layers on micro or atomic size.
Friction is the force resisting the relative motion of solid surfaces and material elements sliding against each other. An important consequence of friction can be wear which may lead to performance degradation and/or damage to component. The friction between two components converts kinetic energy into heat”. The a.m. definition is borrowed from Wikipedia and it sums up wondrously the drawbacks that occurs at the interface between pieces in motion relatively to one another. The coefficient of friction is a value which describes the ratio of the force of friction between two bodies and the force pressing them together.
The life of PCD components is typically 100 times that of the carbide or HSS predecessor. The low friction co-efficiency of PCD, together with its ultra hardness, ensures that high levels of component accuracy are maintained over the component’s life span.
PCD wear surfaces are used for
• Vee Supports
• Backing Plates
• Gauging Fingers
• Gauging Points
Advantages:
• Reduced whole life costs
• Reduced downtime
• Reduced changeover rates
• Increased component
Semiconductor Industry Solutions
PCD & PCBN Tools Grinding Industry
Diamond Cutting Bruting Polishing
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