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PCD Micro-edge Milling Cutter for Ceramic Machining

Moresuperhard solid PCD micro milling cutters are designed for precision machining of advanced ceramics, including alumina, zirconia, silicon nitride and silicon carbide, in face milling, slotting and profile finishing applications.
Product Type Solid PCD Micro-edge Milling Cutter
Tool Material PCD (Polycrystalline Diamond)
Workpiece Materials Ceramics, including alumina, zirconia, silicon nitride and silicon carbide
Cutting Diameter 1–20 mm
Applications Face milling, slotting, shoulder milling and 2D profile finishing
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“ We use this PCD micro-edge end mill for sintered SiC machining. It greatly reduces edge chipping vs. our old coated tools and delivers consistent surface finish. Tool life is improved; we only adjusted feeds and speeds for our setup. A reliable choice for SiC precision machining. “
——— James Carter, Process Engineer
PCD Multi-edge Milling Cutter for Ceramic Machining
Solid PCD Micro-edge Milling Cutter

Moresuperhard PCD micro milling cutter is designed for precision machining applications in advanced ceramics. Its PCD cutting head and micro cutting edge are suitable for machining ceramic surfaces, grooves, shoulders and 2D profiles.

The cutter can be evaluated for materials such as alumina, zirconia, silicon nitride and silicon carbide ceramics. Tool selection depends on the material grade, sintered condition, workpiece geometry, machining allowance and machine setup.

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Designed for Advanced Ceramic Materials

Ceramics vary in hardness, brittleness, toughness and machinability. The following materials can be considered when selecting a PCD micro milling cutter:

Alumina Ceramic (Al₂O₃)

Alumina ceramic is used in wear-resistant, insulating and heat-resistant components. Potential machining applications include ceramic substrates, structural parts, fixtures, grooves and profiles. Select the cutter diameter and cutting length according to the feature size, machining allowance and workholding conditions.

Zirconia Ceramic (ZrO₂)

Zirconia ceramic is used in precision structural components, wear parts and some medical-related ceramic components. For groove machining, edge finishing or local profile machining, consider the tool diameter, effective cutting length, toolpath and workpiece support, particularly around thin walls and narrow edges.

Silicon Nitride Ceramic (Si₃N₄)

Silicon nitride ceramic is used in high-strength, heat-resistant and wear-resistant components. Tool selection for finish machining should take the material condition, feature geometry and machine setup into account. Trial machining is recommended to confirm the process.

Silicon Carbide Ceramic (SiC)

Silicon carbide ceramic is used in wear-resistant, thermal management and semiconductor-related components. A PCD micro milling cutter may be evaluated for suitable precision milling applications. The workpiece geometry, feature size and machining allowance should be reviewed before selecting a tool.

Other Ceramics and Hard, Brittle Materials

Depending on the application, tool selection may also be evaluated for aluminum nitride ceramic, ceramic composites, glass, sapphire, graphite and cemented carbide. Material composition and manufacturing condition can affect machining results. Please provide the material grade when requesting a recommendation.

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Product Features

Micro Cutting Edge for Precision Applications

The micro cutting edge is suitable for finish machining features such as flat surfaces, grooves, shoulders and 2D profiles. Machining results depend on the material, cutting parameters, workholding and toolpath.

PCD Cutting Head for Wear-Resistant Applications

The PCD cutting head is intended for machining applications where wear resistance is important. Tool life depends on the workpiece material, machining parameters, setup rigidity and cooling conditions.

Multiple Diameters for Different Features

A range of cutter diameters is available to suit different feature widths and workpiece geometries. Consider the required cutting depth, effective cutting length and machine toolholding conditions when selecting a size.

Flat-End Design for Versatile Milling Operations

The flat-end design can be used for face milling, slotting, shoulder milling and 2D profile finishing. For parts with radiused transitions or other specialized contours, confirm the required cutter geometry before ordering.

Typical Applications

The Moresuperhard PCD micro milling cutter can be evaluated for:

  • Ceramic face milling
  • Ceramic groove and slot machining
  • Shoulder and step machining
  • 2D profile finishing
  • Local feature machining on ceramic components
  • Precision machining of other hard, brittle materials

PCD Micro Flat-End Milling Cutter Specifications

Dimensions are in millimeters. Confirm available models, tolerances and supply details with Moresuperhard.

Cutting Diameter d Relief Diameter D1 Effective Cutting Length L1 Relief Length L2 Overall Length L Shank Diameter SD
1.0 0.95 1.2 6.0 45 4.0
2.0 1.95 1.2 6.0 45 4.0
3.0 2.95 2.5 6.0 45 4.0
4.0 3.95 2.5 6.0 45 4.0
6.0 5.95 2.5 10.0 50 6.0
8.0 7.95 2.5 10.0 50 8.0
10.0 9.95 2.5 10.0 50 10.0
12.0 — 2.5 — 50 10.0
14.0 — 2.5 — 50 10.0
16.0 — 4.0 — 60 12.0
20.0 — 4.0 — 60 12.0

“—” indicates that the reference specification does not list a value.

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How to Select a PCD Ceramic Milling Cutter

To help identify a suitable tool, please provide:

  • Ceramic material and grade
  • Material condition, such as sintered or unsintered
  • Workpiece drawing and machining location
  • Feature dimensions, machining depth and allowance
  • Required tolerances, surface finish and edge quality
  • Machine speed range, toolholder and clamping conditions
  • Cooling method, quantity and delivery requirements
Frequently Asked Questions

Can a PCD micro milling cutter machine alumina ceramic?

The cutter can be evaluated for alumina ceramic face, groove, shoulder and profile machining. The suitable model and process depend on the material grade, condition, machining allowance and machine setup.

Is this cutter suitable for zirconia ceramic?

Zirconia ceramic can be considered for tool selection. Since machining behavior varies with composition and material condition, provide the workpiece drawing and machining requirements for evaluation.

Can it machine silicon nitride or silicon carbide ceramic?

Silicon nitride and silicon carbide can be evaluated as hard, brittle workpiece materials. Confirm the application based on the material condition, feature geometry and machine setup. Trial machining is recommended.

What operations is the flat-end cutter used for?

The flat-end design is intended for face milling, slotting, shoulder milling and 2D profile finishing. For radiused or complex contours, confirm the required cutter geometry before ordering.

How do I choose the cutter diameter?

Consider the feature width, profile size, machining depth, effective cutting length and machine toolholding conditions. A workpiece drawing can help identify suitable options.

Contact Moresuperhard

Contact Moresuperhard for PCD micro milling cutter selection for ceramic and hard, brittle material machining. Send us your material grade, workpiece drawing and machining requirements to discuss suitable tool sizes and supply options.

Moresuperhard PCD micro milling cutters for precision machining applications in alumina, zirconia, silicon nitride, silicon carbide and other ceramics.

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