Hard turning bearings
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The document discusses CBN insert grades for hard turning of bearing components. It provides information on 6 CBN insert grades for machining various hardened steel and superalloy materials. For each grade it lists the recommended hardness range, machining type, materials, and cutting conditions for operations like roughing, semi-finishing and fine finishing of bearings. Common bearing materials include chromium and chromium-molybdenum steels. Information is also provided on tool holders and inserts suitable for specific bearing geometries and processes.
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[Overview]
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Theory of bending
This document provides information on bending theory and design principles for bending operations. It discusses the following key points in 3 sentences:
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V-Bending Presentation
The document summarizes a group project analyzing V-bending of sheet metal using finite element analysis. It includes:
1. Names of the 7 group members and description of their online collaboration methods.
2. An overview of the project which involves modeling V-bending in NX and HyperMesh, running iterations in Abaqus to optimize the design, and comparing solid, shell and continuum shell meshes.
3. Details of the 8 iterations run by group members, with the punch angle and displacement varying to achieve a 90° bend after springback. The best results were obtained with a punch angle of 73.2° and displacement of 9.75mm.
Design and fabrication of bending machine
This document describes the design and fabrication of a portable bending machine. The machine uses a motor attached to a circular plate to rotate two jigs holding a metal rod, bending it into various shapes. It can bend tubes, bars, channels, and squares into curves or other forms. Calculations are provided for bending stresses and required motor torque. The machine is low-cost and easy to operate, making it suitable for portable use in bending metal.
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The document discusses selecting CBN tools for machining hardened gears with a hardness of HRC58-62. Traditional tools cannot process such hard gears due to wear or breakage. The document recommends BN-H10, BN-H20, and BN-S20 grade CBN tools from Halnn for continuous, semi-interrupted, and heavy interrupted cutting respectively. An application example describes using a BN-H20 tool for semi-interrupted cutting of a gear inner hole, achieving a surface roughness of Ra0.8-Ra0.4 without chipping or wear.
Halnn BN-K1 grade CBN inserts Rough Turning Cone Crusher
Cone Crusher is an important component of the crusher. It is mainly used to crush hard and medium hard ore and rock. It is widely used in mining machinery, metallurgy industry, construction industry, chemical industry and other fields.
Halnn bn s30 cbn inserts process gray cast iron
The advantages of Halnn BN-S30 solid CBN inserts,
(1) High hardness
(2) Good wear resistance and impact toughness
(3) Long inserts lifetime
(4) Can achieve high speed cutting
Specification of brazed PCBN inserts, soldering PCBN inserts
Brazed PCBN inserts are idea for machining hard ferrous metals, such as hardened steels, gray cast iron. PCBN inserts are widely used to machine brake discs, engine cylinder liners, engine blocks, break drumsticks, valve seats and guides, gears and mould,etc.
Email: sales@moresuperhard.com
Website: www.moresuperhard.com
Halnn CBN inserts solution for hard turning Gears steel
With the transformation and upgrading of the manufacturing industry, more and more high-hardness and difficult-to-machine materials are used in the manufacturing industry, and in the face of continuous updating of mechanical metal parts and materials, Halnn tools has successively developed BN-H10 and BN-H21 CBN inserts for continuous cutting and interrupted cutting conditions, and has outstanding advantages in the field of hard turning, and provides coatings and wipers CBN inserts
CBN inserts for cast iron parts in automotive industry
This article share you some cbn grade for machhining cast iron,such as BN-K20, BNK30, BN-S300,ect. And also some aplication of cbn inserts machining cast iron materials. It includes the cutting condition, roughness and other parameters. And typical component include brake disc and brake drum, both of them are made of cast iron materials. And with cbn insert, they can be machined with high cutting speed and high efficiency.
solution for hard turning hardened steel gears of cbn tools
Halnn has successively developed BN-H10 and BN-H21CBN tools for continuous cutting and interrupted cutting conditions, and has outstanding advantages in the field of hard turning, and provides coatings and wipers CBN tools
Halnn BN-H11 grade CBN inserts for efficient machining bearings
Halnn BN-H11 grade CBN inserts for efficient machining bearingsHalnn Drilling and Cutting Tooling Solution
As the saying goes, if a worker wants to do something good, he must first sharpen his tools. The cutting tool is the beginning and end of the work of machining the bearing. Choosing the right high-quality cutting tool will bring you not only the smooth completion of the workpiece, but also greatly improve for you. Processing efficiency and saving processing costs.Halnn Cbn inserts solutions for wear resistant castings
This document mainly share Halnn cbn inserts solutions for machining High manganese steel parts, crushing cone, industry pump parts, high chromium cast iron pump, pump houshing, pump body, ect. All belong to wear resistant casting parts, they have interrupt turning condition and most machining condition is bad.
Halnn BN-S20 grade CBN inserts for Turning Mill Rolls
Halnn Superhard CBN inserts is widely used in the processing of mill roll holes due to its excellent cutting performance and stability. It can realize large-capacity cutting and interrupted cutting, compared with traditional carbide tool production. The efficiency is doubled and the application of dry cutting results in a significant reduction in production costs.
CBN Inserts and PCD Tools for Mill Rolls Machining (Heavy Turning)
CBN Inserts and PCD Tools for Mill Rolls Machining (Heavy Turning)Halnn Drilling and Cutting Tooling Solution
This document discusses CBN/PCD tools for machining mill rolls. It provides information on:
1. Common types of mill rolls and their hardness levels.
2. Recommended CBN and PCD insert grades from Halnn for different roll materials, along with example cutting parameters.
3. Details on Halnn's CBN grades BN-K1, BN-S20, and BNK30 that are suited for cast iron, hardened steel, and cast iron rolls respectively.
4. The advantages of Halnn's solid CBN inserts for machining cast rolls and forged steel rolls.The advantages of cbn insert hard turning parts
Halnn is a professional manufacturer of cbn insert .This article will show you the characteristic of hard turning ,the technology of hard turning and 3 kinds of cutting tools can be used for hard turning insert .The most suitable cutting tools for hard turning hardened steel is CBN insert .
why can CBN inserts machining the workpiece hardness above hrc60
why can CBN inserts machining the workpiece hardness above hrc60Halnn Drilling and Cutting Tooling Solution
CBN inserts are a superhard material synthesized by hand. Its hardness is second only to diamond. It is a high-pressure and high-pressure sintered cutting tool. It has high hardness, wear resistance and thermal stability. It is widely used in ferrous metal and alloy material processing industry.Halnn CBN inserts efficient hard turning bearing steel
Halnn CBN inserts are unique in the field of hard turning hard steel, such as gear steel, bearing steel, die steel and other materials for turning, milling to promote significant efficiency, and production costs have dropped significantly. For example, Halnn CBN inserts BN-H10 grade hard turning Gcr15 bearing steel, compared with a European brand CBN inserts single piece cost reduced by 55%.
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CBN tools for hard turning gears(Hardened steel parts)
CBN tools for hard turning gears(Hardened steel parts)
Cutting tool solutions and application of machining different materials mill ...
Cutting tool solutions and application of machining different materials mill ...
Advantages of Halnn CBN inserts milling hard materials
Advantages of Halnn CBN inserts milling hard materials
Hard turning gear selection bn h20 grade cbn tools
Hard turning gear selection bn h20 grade cbn tools
Halnn BN-K1 grade CBN inserts Rough Turning Cone Crusher
Halnn BN-K1 grade CBN inserts Rough Turning Cone Crusher
Specification of brazed PCBN inserts, soldering PCBN inserts
Specification of brazed PCBN inserts, soldering PCBN inserts
Halnn CBN inserts solution for hard turning Gears steel
Halnn CBN inserts solution for hard turning Gears steel
CBN inserts for cast iron parts in automotive industry
CBN inserts for cast iron parts in automotive industry
solution for hard turning hardened steel gears of cbn tools
solution for hard turning hardened steel gears of cbn tools
Halnn BN-H11 grade CBN inserts for efficient machining bearings
Halnn BN-H11 grade CBN inserts for efficient machining bearings
Halnn Cbn inserts solutions for wear resistant castings
Halnn Cbn inserts solutions for wear resistant castings
Halnn BN-S20 grade CBN inserts for Turning Mill Rolls
Halnn BN-S20 grade CBN inserts for Turning Mill Rolls
CBN Inserts and PCD Tools for Mill Rolls Machining (Heavy Turning)
CBN Inserts and PCD Tools for Mill Rolls Machining (Heavy Turning)
why can CBN inserts machining the workpiece hardness above hrc60
why can CBN inserts machining the workpiece hardness above hrc60
Halnn CBN inserts efficient hard turning bearing steel
Halnn CBN inserts efficient hard turning bearing steel
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Hard turning bearings
- 3. CBN Grade for Hard Turning Bearing Insert Grade Machining Hardness Processing Condition Machining Materials Machining Type BN-S20 HRC45~68 Roughing Semi-Finishing Hardened Steel Interrupt Cutting Contiunous Cutting BN-S200 HRC45~68 Semi-Finishing Fine Finishing Hardened Steel, Superalloy Continuous Cutting BN-H21 HRC62~68 Fine Finishing Hardened Steel Heavy Interrupt Turning Continuous Cutting BN-H10 HRC45~68 Fine Finisihing Hardened Steel High Strength Cast Iron Continuous Cutting BN-H20 HRC45~63 Fine Finishing Hardened Steel Interrupt Cutting Continuous Cutting BN-H11 HRC45~63 Fine Finishing Hardened Steel Continuous Cutting
- 4. Bearing Common Materials 1. Cr9 (100C5/105Cr4/51100) 2. Cr15 (100C6/100Cr6/52100) 3. 42CrMo (4140/42CD4/42CrMo4) For Bearings in different industries, they will be different materials, which include Cr9,Cr15,42CrMo, ect. Halnn already research cbn grades (BN-H20,BN-H11,BN-H10 and BN- H11) for these materials, and also can be used for different process: Roughing, Finishing and Interrupt turning). 35% Wind Power Bearing Automotive Bearing Bearing Ring Metallurgical Bearing Compressor Bearing
- 5. Roughing Bearing Surface Tool Holder:CSDNN Insert Model: BN-S20 SNMN150716/SNGN120712 Machining Surface Shoulder Tool Holder:CCLNR/L 90° Insert Model: BN-S20 CNGN120412/CNGN120408 Machining Channel parts Tool Holder: CRDNN Insert Model: BN-S20 RNGN120400/RNGN090300 Machining Channel Part Tool Holder: CRDNN Insert Model: BN-S20 RCGX120700/RCGX090700 1 2 3 4
- 7. When turning instead of gringding, Total Working allowance is above 1mm, we recommend BN-S20 CNGN120408, It also suit for turning Bearing Ring with small large allowance. 1 2
- 8. 1 2 BN-S20
- 9. Cutting Data for Hard Turning Bearing Insert Grade Machining Type Cutting Speed (Vc) Cutting Depth (ap) Feed Rate (Fr) BN-S20 Interrupt Cutting Continuous Vutting 50~200 60~250 0.5~10 <1 0.15~1.0 0.05~0.35 BN-S200 Continuous Cutting 50~200 60~250 1~10 <1 0.15~1.0 0.05~0.35 BN-H21 Heavy Interrupt Turning Continuous Cutting 60~250 <0.5 0.05~0.35 BN-H10 Continuous Cutting 60~250 <1 0.05~0.35 BN-H20 Interrupt Cutting Continuous Cutting 60~180 <1 0.05~0.35 BN-H11 Continuous Cutting 90~200 <1 0.05~0.35
- 11. Thanks !