Selecting a PCD grade for carbide roll and roll ring machining requires more than choosing the hardest available cutting material. The appropriate grade depends on machining allowance, cutting continuity, load conditions, machine rigidity, coolant application, and the required surface finish. UHD Full Face PCD Inserts provide a continuous polycrystalline diamond cutting layer on a carbide substrate, giving manufacturers a larger usable cutting area and the option to rotate through multiple cutting corners where the insert geometry allows.
For carbide rolls and carbide roll rings, UHD offers three Full Face PCD grade options with different grain structures. Each grade is intended to support a different balance between wear resistance, impact resistance, cutting load capacity, and surface-quality requirements.
| PCD Grade | Diamond Grain Characteristic | Primary Selection Focus | Recommended Machining Stage | Typical Carbide Roll Application |
|---|---|---|---|---|
| YD010 | Fine-grain PCD | Wear resistance and surface-quality performance | Continuous finishing | Precision finishing of carbide roll rings under stable cutting conditions |
| YD025 | Medium-grain PCD | Balanced wear resistance and impact resistance | Semi-finishing | Stable carbide roll machining where both durability and load tolerance are needed |
| YD302 | Coarse-grain PCD | Comparatively stronger impact resistance at higher cutting loads | Roughing | Carbide roll or roll ring roughing with larger allowance and heavier cutting demand |
YD010 uses fine diamond grains and is selected when wear resistance and surface finish are the main priorities. It is suited to continuous finishing operations on carbide rolls or roll rings where the machine setup, workholding, and cutting process are stable.
Consider YD010 when: machining allowance is relatively controlled, cutting is continuous, and the finishing target requires a focus on surface quality and dimensional consistency.
YD025 has a medium-grain PCD structure designed to balance wear resistance with impact resistance. This makes it a practical option for semi-finishing and stable machining conditions where the operation carries more load than a final finishing pass.
Consider YD025 when: the process needs a balanced response to wear and cutting impact, with surface quality still important but not the sole selection criterion.
YD302 uses coarse diamond grains and offers comparatively stronger impact resistance for operations involving higher cutting loads. It is intended for rough machining of carbide rolls and roll rings, particularly where a larger machining allowance must be removed.
Consider YD302 when: roughing conditions create greater cutting load, the allowance is larger, or the process requires a grade with a stronger emphasis on impact tolerance.
A Full Face PCD Insert uses a continuous PCD cutting layer across the working face, bonded to a carbide substrate. Compared with designs that use only a localized PCD cutting tip, the full-face structure provides a larger effective PCD cutting area. Depending on insert geometry and the application, multiple cutting corners can be rotated for use.
UHD Full Face PCD Inserts are available in a range of round insert formats for carbide roll machining and related applications. Dimensions below are provided in millimetres. Unlisted sizes and non-standard insert structures can be reviewed according to the holder, workpiece profile, and machining path.
| ISO | L | φIC | S | R |
|---|---|---|---|---|
| RNGN040400 | 4 | 4 | 4.76 | – |
| RNGN050400 | 5 | 5 | 4.76 | – |
| RNGN090400 | 9.525 | 9.525 | 4.76 | – |
| RNMN120400 | 12.7 | 12.7 | 4.76 | – |
| RCGN090700 | 9.525 | 9.525 | 7.94 | – |
| RCGN120700 | 12.7 | 12.7 | 7.94 | – |
| RNMN150700 | 15.875 | 15.875 | 7.94 | – |
PCD insert performance is closely related to the actual machining system. PCD is not automatically the correct choice for high-temperature ferrous materials, severe interrupted cutting, or applications with incomplete material information. Before confirming a Full Face PCD Insert grade, assess the workpiece material, cut depth, feed, speed, cutting continuity, machine rigidity, clamping condition, cooling method, and required surface finish.
Henan UHD Ultrahard Tools Co., Ltd supports carbide roll and roll ring machining projects with PCD grade selection, insert structure review, edge preparation, and non-standard tool design. For applications involving special roll profiles, dedicated holders, automated production equipment, or specific chip-control requirements, UHD can evaluate drawings, current tool information, machining parameters, and production targets to help define an appropriate solution.
To begin a technical review, prepare the workpiece drawing or profile, material details, machining allowance, existing insert type, machine and holder information, cutting parameters, coolant condition, and the target surface-finish requirement.
Informe-nos a peça que você precisa, a quantidade desejada e os requisitos de ferramental. Nossa equipe responderá com uma solução prática.
