High Speed Cutting Gray iron Brake Drum with Halnn Tools CNMO120704 CBN Tool

1. Halnn Tools CBN indexable Insert​ Rough cutting Gray iron Gray iron Brake Drum

According to statistics, in the cost of machine manufacturing industry, the cutting fluid
has occupied 15%, and the costs on cutting tools only have 3%~5%. So the new technology of dry cutting will become one new technology. It not only can lower the total costs, but also can reduce the environment pollution. In the process, the most important is cutting tool material.,In order to achieve high cutting speed and dry cutting type, the cutting tools materials need have High temperature red hardness, stability and low Coefficient of friction. The materials can be only cubic boron nitride in nowadays.

2. Why we Choose Halnn Tools CBN indexable Insert​ Rough cutting Gray iron Gray iron Brake Drum

According to the processing steps and precision requirements of gray cast iron, Halnn has developed three CBN grade inserts . The following is a brief introduction to its performance and advantages.Classified according to the processing procedure:

(1) Roughing process, choose the solid CBN inserts----BN-S30 CBN grade, the advantage is: large cutting depth(ap), good wear resistance, long service life;

(2) Semi-finishing: Select the BN-S300 CBN grade inserts (the appearance of the blade is the same as the BN-S30 CBN grade inserts). The advantage is: high sharpness, high precision and long tool life;

(3) Finishing: The brazed CBN inserts---BN-K20 CBN grade is selected. The advantages are: high cutting speed(Vc), more cutting edge, and more flexible clamping method.

3.CBN indexable Insert Characteristics

Type	Dimension				Standard Chamfer	Grades
	L(mm)	φI.C(mm)	S(mm)	r(mm)		BNK30	BN-S300	BN-S20	BN-S200
CNMO120704	12.9	12.7	7.94	0.4	S02020		●
CNMO120708	12.9	12.7	7.94	0.8			●
CNMO120712	12.9	12.7	7.94	1.2			●

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6.Application Case

The application case of Halnn CBN inserts machining brake disc:

Rough cutting Gray iron Brake Drum CBN insert with Halnn CBN indexable Insert​

Machining Part: Brake Disc

Cutting Data: ap=2.5mm,Fr=0.45mm/r,Vc=350m/min

Cutting Type: Dry Cutting

Machining Effect: The Production rhythm of CBN insert is only 50% of coating carbide insert. And BN-S300 use dry cutting methods, and reduce the environment pollution, which will be more environmental, and it has long usage life.

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7. Our service

Zhengzhou Halnn Superhard Materials Co., Ltd is a high-tech enterprise specializing in the production of ultra-hardened tools, and the leader of professional hard material processing tools in China and the first to research new cutting tools specific for gray cast iron, kinds of wear-resistant steel/cast steel, hardened steel materials.

The predecessor of Halnn Superhard Material Co.,Ltd is Henan Superhard Material Institute which is the earliest to make research on processing the brittle and hard materials with cubic boron nitride tools and High-Grade Diamond Tools. As the pioneer of Industry tools in China, Halnn adhere to the initial business philosophy of "Not seeking large and complete, only insist high-precision and professional". With more than 10 years experience, Halnn has researched one by one new materials grade, new technology and become the most famous cutting tools brand in superhard cutting tools industry.