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Precision hole machining

2022-11-29 14:10:06

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 

Cutting inserts holeCutting 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 diamond scribing wheels’ holePCD diamond scribing wheels’ hole

PCD/PCBN Customized hole processing:

Custom-made holes are mainly for industrial wear - resistant parts, such as nozzles, drawing die, instrument fluid components, etc.

Customized hole processingCustomized hole processing

Customized hole processingCustomized 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

Advanced processing equipmentAdvanced processing equipment

Inspection instrument

inspection instrumentinspection instrument




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