Winway is a professional manufacturer and supplier of PCD PCB V-Groove Cutter. This tool features a high-strength alloy-steel substrate with PCD polycrystalline diamond composite segments welded onto the cutting edges. Designed for installation in pairs on V-Cut machines, it produces V-shaped grooves on PCB surfaces while retaining a specified residual thickness without cutting through the board. This facilitates subsequent board breaking and depaneling operations.
The cutter adopts a high-strength alloy-steel substrate with PCD polycrystalline diamond composite segments welded onto the cutting edges. The V-groove angle is determined by the cutter's vertex angle, and two cutters are used in pairs with upper and lower alignment. It is mainly applied to FR-4 copper-clad laminates, high-glass-fiber boards and aluminum-base substrates. Compared with conventional carbide V-Cut cutters, PCD cutting edges offer superior wear resistance. They help maintain consistent V-groove angles and residual thickness during mass production while reducing groove burrs and glass-fiber pulling. The alloy-steel substrate also provides good dynamic balance for high-speed continuous operation. The PCD PCB V-Groove Cutter is suitable for large-batch PCB V-Cut processing.
Driven by the spindle of a V-Cut machine, two cutters rotate at high speed and machine the PCB from the upper and lower sides respectively. The PCD PCB V-Groove Cutter uses paired upper and lower cutting tools to form symmetrical V-shaped grooves.
● V-Groove Formation: The fixed vertex angles of the two cutters form symmetrical V-shaped grooves on the PCB surface.
● Residual Thickness Control: The cutters remove only part of the board thickness, leaving a specified residual layer instead of cutting through the entire board. This allows the panels to be separated during subsequent breaking operations.
● Edge Processing: The PCD diamond cutting edges process the glass-fiber and copper-foil layers, helping reduce groove burrs and glass-fiber fuzzing.
● Consistent Processing: Proper cutter alignment and machine setup help maintain consistent V-groove angles and residual thickness across production batches.
● Stable V-Angle Formation: Precision-ground cutting profiles help maintain consistent groove angles and depth during extended production runs.
● High Wear Resistance: Ultra-hard PCD cutting edges offer longer service life than conventional carbide cutters, helping reduce tool replacement frequency and equipment downtime.
● Polished Cutting Edges: Polished tooth surfaces improve cutting-edge finish and support stable cutting performance.
● Reduced Burr Formation: Mirror-polished cutting edges help minimize groove burrs and reduce the need for additional manual cleaning.
● High Concentricity: A precision-machined tool body helps reduce vibration during high-speed operation and lower the risk of board chipping.
● Flexible Specifications: Multiple outer diameters, tooth counts and V-angle options are available, with non-standard customization supported.
| Ordinal | Outer Diameter ∅D (mm) | Number of Teeth Z | V-Angle | Inner Diameter ∅d (mm) | Thickness B (mm) |
| 01 | 66 / 70 / 76 | 18 / 20 / 24 / 30 | 20° / 30° / 45° / 60° / 90° | 25.4 | 2.0 |
| 02 | 96 / 100 | 20 / 24 / 30 / 36 / 40 | 20° / 30° / 45° / 60° / 90° | 25.4 / 40 | 2.0 |
| 03 | 120 | 20 / 30 / 40 / 50 | 15° / 20° / 30° / 45° / 60° / 90° | 25.4 / 40 | 2.0 |
Parameter Note: The cutting teeth are made of PCD and are mainly suitable for processing CEM1, CEM3, FR2 and FR4 materials. Multiple sizes are available in stock, and special dimensions can be customized.
Used for V-grooving CEM1, CEM3, FR2 and FR4 circuit boards, supporting subsequent panel separation.
Suitable for V-groove processing of rigid circuit boards used in consumer electronic products.
Applied to continuous V-slotting operations for various rigid printed circuit boards in batch manufacturing environments.
● Check Machine Compatibility: Select the outer diameter and inner diameter according to the spindle and mounting specifications of the V-Cut machine.
● Confirm V-Angle: Match the cutter angle with the V-groove angle specified in the customer's PCB drawings.
● Consider Residual Thickness: Confirm the PCB thickness and required residual thickness before selecting the cutter and setting the machine parameters.
● Evaluate Production Volume: For continuous mass-production applications, the PCD PCB V-Groove Cutter offers a wear-resistant cutting solution that can help reduce tool replacement frequency and overall production costs.
Cemented-carbide blank forming → Precise shank concentricity calibration → Custom PCD V-blank cutting → Low-stress vacuum brazing → 5-axis CNC angle grinding → Tooth front-face polishing → Dynamic aging test → Full-size outgoing inspection.
Provide PCB thickness data, required residual thickness and machine model information → Technical matching of V-angle and tip width → Drawing confirmation → Sample testing → Mass production.
Winway implements quality control throughout the production process. Finished products undergo concentricity, angle and cutting-simulation tests before delivery. Warranty coverage is provided under standard working conditions, with free replacement available for non-artificial damage according to the applicable warranty terms.
Additional support includes PCD cutter regrinding services and technical guidance on cutting parameters to help customers maintain stable processing performance.
A1: The PCD PCB V-Groove Cutter offers excellent wear resistance, while its alloy-steel substrate provides good dynamic balance for high-speed mass production. When processing glass-fiber boards, PCD cutting edges generally wear more slowly and can achieve longer service life than conventional tungsten-steel cutters. They also help maintain more consistent V-groove angles and residual thickness, reduce groove burrs and glass-fiber pulling, and lower tool replacement frequency.
A2: Common options include 30°, 45° and 60°. Other angles, including 15°, 20° and 90°, are also available according to the product specifications. Special vertex angles can be customized based on customer drawings.
A3: It is suitable for V-groove processing of CEM1, CEM3, FR2 and FR4 boards, as well as PCB materials such as common copper-clad laminates and high-glass-fiber boards. Aluminum-base substrates are also included in the stated application range.
A4: Service life depends on the glass-fiber content of the board material, machine spindle speed, feed rate and air-blowing or chip-removal conditions. Under comparable working conditions, PCD cutting edges generally last longer than conventional tungsten-steel cutting edges. High-glass-fiber boards may accelerate tool wear.
A5: Not necessarily. Cutter wear, machine spindle runout, insufficient board pressing and worktable misalignment can all cause residual-thickness fluctuations. If the problem occurs with a new cutter, check the machine condition, cutter alignment and board clamping first. Regrinding may be required when the cutting edges become worn after extended use.
A6: Common causes include worn or dull cutting edges, unsuitable feed speed, insufficient air blowing and chip removal, and loose board clamping. Check the cutting parameters and improve chip-removal conditions. If the cutting edges are worn, professional regrinding may be required.
A7: Yes. A worn PCD cutter can be returned for professional regrinding. Proper regrinding can restore its cutting performance and help reduce overall tool procurement costs.
A8: Common causes include loose board clamping and vibration, excessive feed speed, collisions during installation or removal, and impact during handling. Proper mounting, stable workpiece fixing and careful handling help reduce the risk of PCD tooth damage.
A9: It can be used on both new and older V-Cut machines, provided that the cutter dimensions and mounting specifications are compatible. Controlling spindle runout, ensuring firm board clamping and maintaining effective air blowing and chip removal help achieve stable processing performance.
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