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Polycrystalline Diamond Compacts /PDC cutter/PDC bit/Diamond drill bit inserts
Polycrystalline diamond compact (PDC) cutters featuring enhanced bond stability between the carbide and the diamond to reduce delamination of the diamond surface. These cutters are also available with a 3D patterned interface to further reduce damage from impact and shear stress. Composed of micron sized particles of synthetic diamond, sintered and integrally bonded to a cemented tungsten carbide substrate using a hightemperature/ high-pressure process.
Main Advantages
• High density (low porosity)
• High compositional & structural homogeneity
• Excellent bonding between diamond particles
• High wear resistance
• High impact resistance
• High thermal stability
• Optimized interface between diamond and tungsten-carbide layers for excellent binding
• Best overall performance available in the market
Applciations of PDC cutters China wholesale price PDC button cutter for mining size 1313 1308 1613
| -Oil and gas PDC bits as face, gauge, and backup cutters | |||||
| -PDC bits for geothermal drilling | |||||
| -PDC bits for water well drilling | |||||
| -PDC bits for directional drilling | |||||
| -Reaming tools | |||||
| -Core bits | |||||
| -Bearing elements |







| -Oil and gas PDC bits as face, gauge, and backup cutters | |||||
| -PDC bits for geothermal drilling | |||||
| -PDC bits for water well drilling | |||||
| -PDC bits for directional drilling | |||||
| -Reaming tools | |||||
| -Core bits | |||||
| -Bearing elements |




Any demand for PDC button bits welcome to contact Zoe!
Other tungsten carbide mining or drilling tools also available from us.

Test process of a PDC cutter/pdc core drill inserts oil drilling tools matrix body pdc cutter 1313 1308 1616


| How PDC Cutters are made |
| Cutters are made using a combination of high heat and high pressure. Man made diamonds can be grown in 5-10 minutes. Because of this diamond content, a fixed cutter bit may also be known as a diamond drill bit. |
| High heat plus pressure creates a PDC (polycrystalline diamond compact) cutter. |
| Cutters are made from a carbide substrate and diamond grit. High heatof around 2800 degrees and high pressure of approximately 1,000,000 psi forms the compact. A cobalt alloy is also present and acts as a catalyst to the sintering process. The cobalt helps bond the carbide and diamond. |
| During the cooling process, the tungsten carbide shrinks at a rate of 2.5 times faster than the diamond. Controlling this stress, as with most aspects of drill bit design, is called Intellectual Property, and manufacturers rarely, if ever, share their secrets. |
| Large vs. Small Cutters |
| As a general rule, large cutters (19mm to 25mm) are more aggressive than small cutters. However, they may increase torque fluctuations. Additionally, if the BHA has not been designed to handle the increased aggressiveness, instability may result. |
| Smaller cutters (8mm, 10mm, 13mm and 16mm) have been shown to drill at higher ROP than large cutters in certain applications. One such application is limestone. |
| Also, bits designed with smaller cutters but more of them can withstand higher impact loading. |
| Additionally, small cutters produce smaller cuttings while large cutters produce larger cuttings. Large cuttings may cause problems with hole cleaning if the drilling fluid cannot carry the cuttings up the annulus. |

Excellent performance, consistant quality, outstanding value.
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