Turning carbide rolls is a task that requires efficient cutting and wear resistance. In order to improve cutting efficiency and tool life, using PCD (polycrystalline cubic diamond) diamond composite discs for turning carbide is a common method.
The use of PCD cutter in the turning of cemented carbide rolls (tungsten steel rolls) has yielded remarkable results. the PCD substrates are able to smoothly complete the turning of multiple workpieces, which greatly enhances the processing efficiency.
Cemented carbide is a kind of high hardness metal hard compound alloy material, generally through the refractory metal hard compound and bonded metal through the powder metallurgy process to manufacture and become, widely used in cutting tool materials, such as turning tools, milling cutters, drills, boring tools and so on.
Cemented carbide has a series of advantages such as high hardness, good abrasion resistance, good toughness, heat and corrosion resistance, etc. Generally, it can basically maintain high hardness and abrasion resistance at 500℃, and its hardness decreases at 1000℃, but it also has good hardness.
Here are some suggestions on using PCD diamond composite discs for carbide roll turning:
Selection of suitable diamond PDC substrate: The selection of PCD diamond composite discs should take into account the specific composition and hardness of the cemented carbide. Ensure that the selected tool has sufficient wear resistance and heat resistance to cope with the high hardness and temperature of the cemented carbide.
Reasonable tool geometry: According to the geometry of the tungsten carbide rolls and turning requirements, select the appropriate tool geometry to ensure that the tool can effectively remove material.
Appropriate Cutting Parameters: Determine the appropriate cutting speed, feed rate and depth of cut to ensure that the tool can efficiently remove the carbide material during the turning process. This needs to be optimized for the nature of the carbide and the turning conditions.
Cooling and Lubrication: Because of the high temperatures that can be generated by carbide roll turning, proper cooling and lubrication are critical. Ensure that there is adequate coolant flow to cool the tool and workpiece and minimize heat loss.
Stable Tool Holding and Tool Holder: Ensure the stability of the tool and the rigidity of the tool holder to avoid vibration and resonance, thereby improving the accuracy and surface quality of the turning.
Timely replacement of inserts: The tool life of PCD diamond composite is relatively long, but once the tool is worn out, it should be replaced in time to ensure the cutting performance and workpiece quality.
Safety Precautions: Since carbide roll turning may involve high speed rotating tools and high temperature generation, make sure that the operator follows safety procedures and wears appropriate protective equipment.
Hunan Jetvision Industrial Co.Ltd is one of the leading Tungsten carbide mining manufacturers and suppliers with over 20years experience of carbide button and carbide PDC substrate production and technology, we mainly manufacture, stock and supply carbide PDC substrate, PDC cutter, dome button, Parabolic inserts, Spherical inserts, Conical inserts, Wedged inserts, Spoon inserts, Flat top inserts, Road milling picks inserts, etc. at the best factory prices.
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