MoreSuperhard materials (PCD diamond and cubic boron nitride) are known for their high hardness, but as industrial teeth, a great many of superhard materials(PCD&PCBN) related products need hole making before they can be used. Such as cutting inserts location hole, PCD diamond scribing wheels’ hole , medical device fluid orifice, water jet nozzle hole, drawing die hole and peeling tools’ hole, other PCD/PCBN wear parts’ hole etc. Our company mainly develops a new making holes’ method for PCD & PCBN materials, and adopts advanced electric processing, laser processing, ultrasonic grinding, honing and other methods to develop different processing technologies for different hole shapes. The hole diameter size can reach the accuracy range of micron meter level and the surface quality of inner hole can achieve the highest mirror effect (Ra0.25).
Cutting inserts hole
It is mainly for machining the locating hole of the solid or compact PCD/PCBN cutting inserts. Generally, it adopts the multi-section hole shape with cone hole joint straight hole, and it can also be customized for machining the hole type.
|
The cutting inserts hole |
The highest accuracy |
Surface roughness |
hole size range |
Others |
|
Composite blade |
0.005 |
Ra0.8 |
1.5-6.0 |
The taper can change |
|
The solid blade |
0.005 |
Ra0.8 |
1.5-6.0 |
The taper can change |
|
Special shaped hole |
0.2 |
Ra0.8 |
1.5-6.0 |
The hole shape can change |
PCD diamond scribing wheels’ hole：
Mainly for the hole processing of diamond scribing wheel, diamond scribing wheel hole is the benchmark for the work of the cutter wheel, especially for the multi-wheel scribing wheels group is more demanding on the hole size precision, we use electric processing, laser processing, plus special grinding and finishing processes, the hole size precision can be up to 0.002mm, and the surface roughness up to Ra0.5.
PCD/PCBN Customized hole processing:
Hole processing range (0.05-25.0) mm
Maximum accuracy up to 0.001mm
Minimum surface roughness up to Ra0.25
Advanced processing equipment
Inspection instrument
Moresuperhard provide quality cnc diamond grinding wheel for grinding rotary cutting tools.1A1,1V1,11V9,12V9 abrasives grinding wheel suit for anca,walter,ewag cnc grinding machine.1. Suitable for high-efficiency grinding processing with rapid feed.2. Good wear resistance and shape retention.3. It has good self-sharpening properties, generates less heat during grinding, reduces burns on the workpiece, and meets the high-precision requirements of the tool.4. No clogging, easy to trim, extend the trimming cycle and reduce processing costs. 5. The cutting edge quality of the grinding workpiece is consistent and the smoothness is high, which ensures stable quality when processing downstream products.
At present, the main diamond processing methods include mechanical polishing, thermochemical polishing, tribochemical polishing, laser polishing, ion beam polishing and chemical mechanical polishing.Due to the anisotropy of diamond, "hard" and "soft" polishing directions have completely different material removal rates.Experimental results show that atomic-level roughness values can be obtained in a shorter time by mechanical polishing in the crystallographic directions <100> and <110> or in another direction deviating from <110> at an angle not exceeding 20°.
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