Find your way to
gain an edge
in steel turning
Four ways to solve your steel turning challenges
More about steel turning
Reduce cost
Efficiency in steel turning can be achieved by reducing scrap and rejected components and by getting more out of your existing machining setup. Keeping your machine running securely with good chip control is a proven strategy to reduce cost per part. Selecting versatile and predictable insert grades, choosing the right cutting strategy, and applying precision coolant and quick change solutions are successful methods to reach your goals.
Reliable grades and geometries
Using turning grades that deliver consistent and predictable tool life can make steel turning operations more secure, efficient and productive. Tool life extension combined with greater wear and heat resistance can help minimize unplanned stops as well as carbide insert and workpiece material waste, necessary preconditions for sustainable machining.
Save time with quick change solutions
Quick change solutions reduce the time spent measuring, setting up and changing tools, drastically improving machine utilization. By using quick changes to reduce your batch changeover time, you can save up to ten minutes in one turning operation. Other benefits are reduced downtime when changing worn-out tools and shorter production start-up time from eliminating “first test components” or “measuring cuts”.
Take advantage of over and under coolant
Coolant can play a crucial role in reducing your overall production cost. Correctly applied, it will maximize output, increase process security, and improve cutting tool performance and component quality, all important cornerstones in successful machining.
Implement advanced tools and technologies
Advanced solutions such as all-directional turning and grades with new coating technology are transforming the industry and turning as we know it. These key technologies enable considerable gains never thought possible in productivity, pieces per edge and tool life.
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Recommended tools and solutions
Steel turning inserts and grades
The new-generation steel turning grades GC4425 and GC4415 have been perfected in every aspect, from tool life to wear and heat resistance. They deliver up to a 25% increase in tool life and offer reliable and predictable performance every single time.
Standard ISO turning tools
A complete range of premium turning tools developed to handle your machining challenges. Optimized T-Max® P and CoroTurn® 107 tools together with precision coolant and quick change solutions provide secure turning with improved chip control and increased cutting speed.
Unique turning solutions
All-directional CoroTurn® Prime, eight-edged CoroTurn® 300 and stable CoroTurn® TR for profiling feature new, advanced technologies that can reduce your manufacturing costs substantially by bringing down the cost per component and paying back your machine investment faster.
Choose another challenge Increase output
Even the smallest improvement in your machining strategy can have a major impact when it comes to increasing output. By choosing the right inserts, tools and an appropriate cutting strategy, and by ensuring correct coolant application, you can increase metal removal rates and machine utilization, manufacturing steel components in less time.
High-performance inserts
There are many parameters to consider when choosing turning inserts. To maximize metal removal rates, look for a tough substrate resistant to plastic deformation and a post-treatment that performs well in intermittent cutting operations. Be sure to select a coating that delivers consistent and predictable performance, improved wear resistance and long tool life.
Faster and more secure metal removal
Much of steel turning is about continuously refining your existing machine setup. However, it is vitally important to explore new possibilities and discover new technologies and methods. As an example, by applying the all-directional turning method, you can reach significantly faster metal removal rates and a productivity increase of more than 50%.
Change tools within seconds
Quick change tooling solutions increase machine utilization by reducing measuring, set-up and tool changing time. The time needed to switch tool holders can be cut from 5–10 minutes down to 30 seconds, which means you save up to 10 minutes in one standard turning operation.
Apply under coolant for better tool performance
Use cutting tools with under coolant to maximize output. Under coolant controls the heat in the cutting zone, which leads to improved tool life and predictable machining. The increase in cutting speed or feed enables a great increase in productivity.
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Recommended tools and solutions
Steel turning inserts and grades
New turning grades GC4425 and GC4415 feature a new substrate with a unique combination of toughness and resistance against plastic deformation. Grade GC4415 provides extra-high metal removal rates when machining in stable conditions, making it an excellent choice for secure mass production.
Standard ISO turning tools
T-Max® P and CoroTurn® 107 offer productive and reliable performance for successful turning operations. The tool holders are equipped with nozzles that direct precision over and under coolant right to the insert edge to boost process security and provide excellent chip control.
Unique turning solutions
Discover our advanced technologies, developed to bring your turning operations to a new level of productivity. Solutions such as CoroTurn® Prime, CoroTurn® 300 and CoroTurn® TR allow you to operate with doubled speed and feed rates to reach substantially increased metal removal rates.
Improve process security
Chip control is one aspect of steel turning you always need to keep in mind. Poor chip control causes chip jamming, poor surface finish and tool breakage. Consequently, improved chip control along with predictable tool life are two important factors that help you improve process security. This can be accomplished by selecting the right cutting strategy and with the proper application of coolant.
Efficient chip control
Successful chip control comes down to four factors: Nose radius, depth of cut, feed rate and insert geometry. A smaller nose radius controls chips better than a bigger nose radius. Depending on the workpiece material, a larger cutting depth will influence chip breaking, requiring greater forces to break and remove the chip. Start your operation at a low feed rate to ensure insert security and surface finish, then increase feed rate to improve chip breaking.
Precision coolant
Chip breaking and chip evacuation issues can be effectively resolved by using precision coolant. With precision coolant, you get improved chip control, longer tool life, better process security and higher productivity. The positive effects start at low coolant pressure, but the higher the pressure, the more demanding the successfully machined material can be.
Choose the right insert geometry
Choose an insert geometry with good chip breaking capability. Based on the width of the chip groove and the design of the micro and macro geometry, the chip will be open or more compressed. An incorrect choice of insert can lead to tool breakage and scrapped components, with major cost implications.
Secure and rigid clamping
The cutting tool should always be as stiff and stable as possible in order to avoid vibration and deflection. This is especially important in internal applications. Use the shortest tool and the maximum diameter possible.
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Recommended tools and solutions
Steel turning inserts and grades
New-generation steel turning grades GC4425 and GC4415 are optimized to provide secure and reliable machining. Second-generation Inveio® coating technology with improved crystal orientation and new macro geometries with chip breakers deliver consistent performance.
Apps and calculators
Even small adjustments of parameters can have a big impact on your overall results. CoroPlus® Tool Guide delivers tool and cutting data recommendations based on task, material and machining conditions. Use the Machining calculator app to calculate cut settings based on your input parameters.
Tools with precision coolant
When combining precision coolant, quick change solutions and optimized T-Max® P and CoroTurn® 107 cutting tools, you get a great number of benefits, such as improved chip control, fixed nozzle positions and increased cutting speed.
Improve component quality
The most crucial factors involved in reaching high component quality are good chip breaking and reduced vibration. The optimal tool setup—all the way from the machine to the cutting edge—combined with knowledge and machining expertise, is the best way to deal with these challenges. Start with the clamping units and quick change solutions, and continue with tools featuring precision coolant and the inserts best suited for your application.
Select the correct cutting data
Choosing the right speeds and feeds has a great impact on component quality. Access to optimized tools and cutting data are prerequisites for a secure and predictable machining process. Taking into account all the different parameters, the easiest way to select the right cutting tools and cutting data for your turning application is to use an online tool guide. That way you get quick and accurate tool recommendations and cutting data directly integrated into your system.
Stable tools and secure clamping
Optimized cutting tools will not do the job without an optimal tool setup. A stable and rigid interface between the tool and the turret is fundamental for providing good repeatability and high-precision tool positioning.
Vibration is often the limiting parameter in gaining high output from the machine. By using damped boring bars, you can increase cutting parameters and get a more secure, vibration-free process with improved surface finish as a result.
Optimized grades and geometries
Grades optimized for your material and geometries with coolant access are important factors for getting tight tolerances, good surface finish and process stability. Use a wiper insert to achieve superior surface quality.
Internal precision coolant
Precision coolant with predirected nozzles focused directly at the cutting zone is a good way to achieve chip control. Correctly applied coolant increases process security and improves tool performance and component quality.
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Recommended tools and solutions
Steel turning inserts and grades
From finishing to roughing, grades GC4425 and GC4415 are your first choice when turning steel. Coated with second-generation Inveio® technology and equipped with geometries that considerably improve tool life, these grades are suitable for a broad range of applications and are recommended for continuous and interrupted cuts.
Apps and calculators
Get quick and accurate tool recommendations directly integrated into your system with CoroPlus® Tool Guide. Use the Machining calculator app to calculate cut settings based on your input parameters.
ISO and unique turning solutions
Improve component quality with premium ISO turning tools T-Max® P and CoroTurn® 107, which deliver strong, consistent performance. Opt for unique CoroTurn Prime™, CoroTurn® 300 or CoroTurn® TR solutions to boost your production to new levels.
New steel turning grades GC4425 and GC4415
Never stop developing
There are ways to gain an edge in steel turning—find out how.
Refined in every aspect
Discover the technology behind the new generation of steel turning grades.
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