As a Chinese brand of superhard cutting tools certified by ISO standards, we are the suppliers of Mahler in Germany, brebo in Italy, Wanxiang Group in China and GKN in Britain; It can provide cutting tool design and customized development for global high-quality cylinder liner / piston customers; Provide more efficient superhard cutting tools and ceramic blades for the processing of automotive brake discs / drums; At the same time, it provides cutting tools with stable performance in the processing field of automobile gears and automobile hub bearing units. 

（1）External turning process：It is recommended that the solid polycrystalline cubic boron nitride blade BN-S300 grade can be dry-cut, and its tool durability is increased by N times compared with ceramic tools. 
（2）Grooving process：Customized according to customer requirements to obtain longer tool life and higher production efficiency. 
   The case of cylindrical turning is as follows:

	Processing：Finished Outer Circle    Workpiece Material: Boron Cast Iron    Select Inserts：BN-S300  SNMN120412   Cutting Parameters：Vc=850m/min，Fr=0.25mm/r，ap=0.5mm    Processing Methods：Wet Cutting
Tool Material	Cutting Speed	Processing Beat	Single Blade Life
Halnn BN-S300	850m/min	23 Seconds/piece	120 Piece/blade
Other Brand Ceramic Inserts	500m/min	40 Seconds/piece	25 Piece

   The material is aluminum alloy. We recommend Halnn superhard PCD tool, which can be processed at high speed, with stable product quality, high precision and long life. It also provides non-standard customized services.

Halnn CBN Grooving Insert machining Cylinder liner,Machining grooves of boron alloy cast iron cylinder liner, Halnn can offer customized grooving inserts(1.0~6.0mm), Order code, please contact us. Halnn CBN Grooving insert can extand the tool life, and improve the procuction efficiency.The tools used to machine the cylinder liner are as follows：

（1）External turning process：It is recommended that the solid polycrystalline cubic boron nitride blade BN-S300 grade can be dry-cut, and its tool durability is increased by N times compared with ceramic tools. 

（2）Grooving process：Customized according to customer requirements to obtain longer tool life and higher production efficiency. 

   The case of cylindrical turning is as follows:

	Processing：Finished Outer Circle    Workpiece Material: Boron Cast Iron    Select Inserts：BNK30  SNGA120412-8S   Cutting Parameters：Vc=850m/min，Fr=0.2mm/r，ap=0.3mm    Processing Methods：Wet cutting
Tool Material	Cutting Speed	Processing Beat	Single Blade Life
Halnn BN-S300	850m/min	120pcs/blade	Improve 1 times
Other Brand Ceramic inserts	400m/min	25pcs/blade	-----

	Processing：Roughing Outer Circle    Workpiece Material: Boron Cast Iron    Select Inserts：BN-S300  SNMN120412   Cutting Parameters：Vc=850m/min，Fr=0.25mm/r，ap=0.5mm    Processing Methods：Wet cutting
Tool Material	Cutting Speed	Processing Beat	Single Blade Life
Halnn BN-S300	850m/min	23 Seconds/piece	120 Piece/blade
Other Brand Ceramic inserts	500m/min	40 Seconds/piece	25 Piece

Diamond and CBN Honing Stone & Honing Head 

Honing stones are usually installed on the honing head for work.

Various types of vertical honing heads and accessories can be designed and processed according to customer needs or customized according to drawings.

Vertical honing head products have high honing accuracy and simple operation. They are divided into manual adjustment and motorized adjustment.

The honing range is from 12mm to 300mm honing diameter. Its materials are nickel alloy material, aluminum alloy material, and three kinds of rigid material.

According to the honing machine type, honed bore diameter & length, bore type;workpiece material & hardness;stock removal amount;required surface finish and tolerance. Our technician will recommend the most suitable tooling and abrasives specification.

Widely used in cylinders, lawn mower cylinders, hydraulic cylinders, air compressor cylinders, cylinder liners, valve holes, nozzle oil pumps. Engines, air compressors, pump bodies, cylinder bores and liner bores of hydraulic cylinders, and the inner surfaces of other cylindrical through-holes of automobiles, diesel engines, motorcycles, and tractors.

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If you have any questions, please contact our Executive Manager and we will get back to you as soon as possible