Accurate results, high efficiency
MaxiMill 275 face milling system from CERATIZIT, is a specialist for high-alloyed stainless steel components, especially those found in turbocharger manufacturing
(PresseBox) - The brand new MaxiMill 275 milling system optimises rough machining of high-alloyed stainless and refractory steels. This face milling system, developed for processing flat surfaces on turbocharger housings and exhaust manifolds, is ultra-robust in its construction and is designed with a maximum number of indexable inserts for efficient machining. Inserts are ground all the way around to ensure a smooth milling action, high-quality milling results, long tool lives and particularly high efficiency.
Face milling turbocharger components presents a huge challenge for the milling tools used due to the demanding nature of the material ? usually refractory cast steel, often containing niobium. In addition to this, the design of turbocharger housings and exhaust manifolds often create unstable machining conditions. This means the tool needs to be very stable and cut effectively to achieve the required quality.
CERATIZIT ? a full-range provider in the machining sector ? set itself the task of developing a technically optimised, efficient tool system for these kinds of applications, bringing together the expertise of its specialists from Team Cutting Tools. ?This collaboration has been a complete success with the MaxiMill 275 face milling system the end result,? confirms Detlef Erdei, Application Manager Automotive at CERATIZIT. ?Our development team began the process by designing the cutter body to be extremely stable and have low-vibration. We were then able to optimise the number of cutting edges based on the diameter.? This resulted in the largest MaxiMill 275 with 125eth respectively.
Particular attention was paid to accuracy of the insert seat, which keeps the indexable insert firmly and precisely in place using a wedge clamp. This avoids any cutting mismatches and, therefore, the need for any subsequent height adjustment. This is a plus in terms of user friendliness, too.
The indexable inserts have also been refined. The basis for this is a special cutting material, which is designed for the highest thermomechanical demands. The inserts have a positive geometry with a 20-degree rake angle. This enables them to cut effectively and guarantees a smooth tool motion. The fact that they are fully ground around the periphery produces consistent and high precision.
The PVD-coated inserts are positioned in the cutter body in such a way that the cutting edge is horizontally aligned with the holder. This way, in contrast to most other face milling systems, which remove chips with the corner chamfer, a significantly smoother surface is produced like with an integrated finishing cutter. The indexable insert can be used on left- and right-hand cutting tools.
The key features of the MaxiMill 275
Robust design
Indexable insert fits stably and firmly in the base body
Defined, stable cutting edge guide
16 usable cutting edges per indexable insert for maximum efficiency
Low power consumption thanks to positive indexable insert topography
Integrated cutting edge for high surface quality
Smooth milling action and reduced spindle load
High productivity, process security and efficiency
Practical example
For a turbocharger (material: 1.4837+Nb) the flange face is milled with a MaxiMill 275 (diameter 80
The key cutting values:
fz = 0.145
vc= 100
ap= 1.4
ae/D = variable
Coolant = dry
The tool life achieved is 0.92
For over 95 years, CERATIZIT has been a pioneer in developing exceptional hard material solutions for machining and wear protection. The private company, with registered offices in Mamer, Luxembourg, develops and produces highly specialised cutting tools, indexable inserts, rods made from hard materials and wearing parts. The CERATIZIT Group is the global market leader in various application segments and successfully develops new carbide, cermet and ceramic grades, such as for wood and stone working.
With more than 8,000 employees at more than 30 production facilities and a sales network with over 50 branches, CERATIZIT is a global player in the carbide industry. The company''s international network includes subsidiary Stadler Metalle and joint venture CB-CERATIZIT.
The technology leader is constantly investing in research and development and holds more than 1,000 patents. Innovative hard material solutions from CERATIZIT are used in various sectors, including mechanical engineering and tool making, in the automotive and aerospace industries and in the oil, gas and medical industries.
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For over 95 years, CERATIZIT has been a pioneer in developing exceptional hard material solutions for machining and wear protection. The private company, with registered offices in Mamer, Luxembourg, develops and produces highly specialised cutting tools, indexable inserts, rods made from hard materials and wearing parts. The CERATIZIT Group is the global market leader in various application segments and successfully develops new carbide, cermet and ceramic grades, such as for wood and stone working.With more than 8,000 employees at more than 30 production facilities and a sales network with over 50 branches, CERATIZIT is a global player in the carbide industry. The company''s international network includes subsidiary Stadler Metalle and joint venture CB-CERATIZIT.The technology leader is constantly investing in research and development and holds more than 1,000 patents. Innovative hard material solutions from CERATIZIT are used in various sectors, including mechanical engineering and tool making, in the automotive and aerospace industries and in the oil, gas and medical industries.
Datum: 05.11.2020 - 09:41 Uhr
Sprache: Deutsch
News-ID 1562013
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"Accurate results, high efficiency
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