RNMN/RCMX/RCGX Solid CBN Turning Inserts Machining Chilled Cast Iron Rolls/ICDP Rolls

1. Rolls Materials and Abbreviation

• Clear chill cast iron~CC
• Indefinite chill cast iron~IC
• Spheroidal graphite cast iron( Nodular iron)~SG
• Spheroidal graphite Pearlitic cast iron~SGP
• Spheroidal graphite Bainite cast iron~SGB
• Indefinite chill double pour cast iron~ICDP
• High Chromium cast iron~HCI

2. Halnn CBN Grade BN-K1 for Machining Chilled Cast Iron Rolls

Most Rolls are made of Chilled Cast Iron, so Halnn researched special cbn turning insert BN-K1 for machining cast iron rolls, the following is typical application of BN-K1:

3. Cutting Paramters for Machining Cast Iron Rolls with Halnn Solid CBN Turning Inserts

Normally Cast Iron rolls includes high chrome cast iron rolls, chilled cast iron rolls, high chrome alloy cast iron rolls, alloy cast iron rolls and other high hardness cast iron rolls.Halnn CBN Turning Inserts BN-K1 Cutting Parameters as follows:

• Roughing Process, Vc=35~120m/min, ap=1~10mm, Fr=0.15~0.7mm/r
• Finishing Process, Vc=60~180m/min,ap≤1mm, Fr=0.05~0.35mm/r

4. Application Case

BN-K1 Solid CBN Turning Inserts
Machining Materials:	Chilled Cast iron Rolls
Workpiece Hardness:	HSD80
Insert Model:	BN-K1 RNMN200800
Machining Type:	Dry Cutting
Cutting Parameters:	Vc=55m/min,ap=4mm,Fr=1mm/r
Machining Effect
Insert Materials	Feed Rate	Insert Life/blade	Failure Mode
Halnn BN-K1 CBN	1 mm/r	3 pcs	Flank Wear
Ceramic Insert	0.5 mm/r	0.5 pcs	Fracutre

5.Common Models RCGX/RCMX solid cbn inserts for machining cast iron rolls

6. Typical Application

We can offer you all products on different machining condition: such as Rough machining Cylindrical,hole turning, milling,heavy turning, turning groove, and roll repairing.

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.