JiXJ Group Metal removal rate redefined: Trochoidal milling! Maximum machining efficiency with GARANTTPC milling cutters Premium Quality by Hoffmann Group

Trochoidal milling TPC – Trochoidal Performance Cutting Highest material removal rate The technological change of milling machines allows for ever more efficient machining methods. HSC High Speed Cutting ̑̑ feed rates up to 50 m/s ̑̑ cutting speeds up to 1000 m/min ̑̑ low cutting forces ̑̑ high surface quality ̑̑ high excitation frequencies ̑̑ high spindle speeds ̑̑ high machining volume HPC High Performance Cutting ̑̑ high feed rates ̑̑ very low vibration due to uneven spacing ̑̑ high swarf removal due to high ap and ae ̑̑ lower cutting speeds than with HSC MTC Multi Task Cutting ̑̑ high feed...

GARANT  TPC cutting tools Alu Machining volume Hard machining Cutting force Machine dynamics Spindle speed Trochoidal Performance Cutting ̑̑ highest dynamic speed rate ̑̑ highest matel removal rate ̑̑ least cutting force ̑̑ minimal wear ̑̑ high saving potential compared to the conventional strategy

Trochoidal milling Trochoidal milling – a comparison Maximum machining efficiency with the optimum milling strategy Conventional milling strategies Trochoidal – static Conventional milling means to work in a straight or parallel plane forward movement. The trochoidal milling strategy is based on an optimised control of the cycles. Machining takes place along intelligent trajectories at a constant feed speed (vf ) up to the maximum width of cut (ae max). The chip centre thickness hm is not constant. Different chips mean uneven stress. Full-slot milling: Angle of contact 180° Advantages compared...

Trochoidal – dynamic The optimum machining process is performed by the dynamical trochoidal strategy. Ұݑǰݑ ǰݑڰݑ Depending on the material the maximum contact angle and the according chip centre thickness is defined. There is more on the next page >>> fz becomes a restricted variable at TPC With TPC ae also becomes a restricted variable and limits the angle of contact At TPC the value hm becomes an absolute constant Chip centre thickness Tool diameter Depending on the material the contact angle Ў is restricted to the maximum. The feed speed is adapted accordingly. The chip thickness hm ist constant....

Trochoidal milling Dynamical trochoidal milling optimum application range: Contact angle β in relation ae / D Depending on materials Stainless steels Hard machining Super alloys

Trochoidal milling What do I need to practise TPC ? 1. A modern CAM system or a modern machine control. 2. A preferably very dynamic machining centre. 3. Special GARANT tools for best results. The new TPC cutting tools by GARANT have been specially designed to meet the special requirements of the new method. Besides a longer cutting edge for increasing the chip volume, the end mills are also more stable and more smoothrunning due to the uneven spacing. This supports achieving a surface quality as good as it is possible even in this high feed roughing process. With this very low-vibration operation...

Solid carbide end mill with special coating DLC coating sp² of the latest Generation Version: Application: With the latest generation of DLC coating sp2. Special geometry for machining aluminium and plastics. With neck recess (dimensions L4 and D4). Double relieved chip angle, specially for the machining of Alu. Ground recess hm max : The values given in the table represent maximum values. Alu PMMA PEEK AFK PVDF PA66 PEEK PTFE Hybride Honey- MMC GRP Cast Acrylic Aramid comb > 10 % Si Solid carbide end mill TPC

Trochoidal milling Solid carbide end mill, 4 cutting edges with the Latest generation of dLC coating sp² Version: With DLC coating sp² of the latest generation. Extra sharp cutting edges. Dimensions similar to DIN 6527. hm max : The values given in the table represent maximum values. Alu PMMA PEEK AFK PVDF PA66 PEEK PTFE Hybride Honey- MMC GRP Cast Acrylic Aramid comb > 10 % Si Solid carbide end mill TPC

Solid carbide roughing end mill ZOX Polished chip flutes for optimum swarf evacuation Sturdy roughing mill without knuckle profile. With strong core, special chip recesses, and large polished flutes. Special ZOX coating. With neck recess (dimensions L4 and D4). For rough milling with high expectations on components surfaces. Ground recess Ground recess hm max : The values given in the table represent maximum values. INOX INOX Shank form Solid carbide end mill TPC

Trochoidal milling Solid carbide end mill for hard machining High performance cutter with special geometry Significant cutting force reduction due to 45° helix. With recessed shank (Dimensions L4 and D4). Particularly suited for TPC use also on MTM centres. Ground recess hm max : The values given in the table represent maximum values. Ground recess INOX INOX Solid carbide roughing end mill TPC

Solid carbide end mill for VA steels With 4 cutting edges Number of cutting edges: 4. Tolerance: Size nominal Ø Dc = e8. hm max : The values given in the table represent maximum values. Ground recess TOOLOX® TOOLOX® HARDOX® INOX INOX 33 44 500 < 750 N Solid carbide end mill TPC

Trochoidal milling Solid carbide end mill for V4A steels maching stainless steels in the high performance range Specially for machining stainless steels such as duplex steels at high rates of metal removal. hm max : The values given in the table represent maximum values. TOOLOX® TOOLOX® HARDOX® INOX INOX 33 44 500 < 750 N Ground recess Solid carbide end mill TPC

Solid carbide end mill for VA steels Special long design hm max : The values given in the table represent maximum values. TOOLOX® TOOLOX® HARDOX® INOX INOX 33 44 500 < 750 N Solid carbide end mill TPC

Trochoidal milling Solid carbide end mill for VA steels Special chip breaker and innovative Geometry High performance end mill for VA machining, specially designed for TPC operations. Reinforced core. Chip breaking geometry. With neck recess (dimensions L4 and D4). hm max : The values given in the table represent maximum values. TOOLOX® TOOLOX® HARDOX® INOX INOX 33 44 500 < 750 N Ground recess Solid carbide roughing end mill TPC