Finish Milling Engine Block with FC250 gray cast iron materials use SNFN120712 Solid CBN Inserts

1. Halnn Tools BN-S300 Solid CBN Inserts Finish Milling Engine block

With the development of the automotive industry, and the engine industry

develop fast. And Engine Block as the most important component, most belong to mass production. Already 80% of the manufacturers use auto-line CNC Lathe finish all the process, and improve the efficieny obviously. However, it also needs suitable cutting tools. The cutting tools need to be used in high speed condition, and have long tool life.

2. Why we Choose Halnn Tools BN-S300 Solid CBN Inserts Finish Milling Engine block ?

Halnn Tools PCBN tool processing Engine block advantages :

1. The structure design is reasonable, and the cutting edge treatment is diversified and refined.

2. Long life, reduce the number of tool changes, improve processing efficiency, reduce costs and reduce labor intensity.

3. Light cutting, suitable for low speed and deep cutting, improving workpiece quality and extending machine life.

4. High indexing accuracy, reducing tooling time and improving efficiency.

5. Stable processing, small fluctuations, more suitable for automatic assembly line use.

6. Good wear resistance, ensuring smaller size fluctuations of the cylinder liner.

7. Save man-hours and reduce processing costs.

3. BN-S300 Solid CBN Insert Characteristics

5.Detailed Data of SNFN Full form CBN inserts

Type	Dimension				Grades
	L(mm)	φI.C(mm)	S(mm)	R(mm)	BN-K1	BN-S20	BN-S300
SNFN120712	12	12.7	7.94	1.2	●	●	●
SNFN120716	12	12.7	7.94	1.6	●	●	●
SNFN120720	12	12.7	7.94	2.0	◎	◎	◎

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6.Application Case

The application case of Halnn Tools CBN insertS BN-S300 milling Engine block

Machining Materials: Gray Cast Iron Process: Finishing Process Insert Model: BN-S300 SNFN120712 Cutting Data: Vc=1700m/min, Fz=0.12mm/r,ap=0.3mm Machining Process: Dry Cutting
Insert Materials	Vc(m/min)	Tool Life(pieces/blade)	Cutting Fluid
BN-S300	3670	85	No
Imported CBN	3670	80	No

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7.Our service

Pre-Sales Service

l) Prompt reply and 24 hours online,professional team to provide best price and quality product.

l) Same testing support

l ) Every batch of products will be tested to ensure its quality.

After-sales Service

l) The real-time logistics information monitoring

l ) Any questions about the product can be consulted at any time.

l) Product with any problem can return.

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8.Our Certificate

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.