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Solid carbide milling cutter
RF 100 Speed

Highest metal removal rate with outstanding process reliability

RF 100 Speed in the online shop

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Sharp and fast in steel and INOX
Effective HPC machining

With the RF 100 Speed, Gühring has a particularly sharp and fast HPC milling cutter in its Ratio programme. It is characterised by a high helix of 48° and its unequal blade pitch. But the tool also ensures greater process reliability when it comes to chip removal.

The image shows an HPC milling cutter during the milling process, in which material is removed from a workpiece.

With previous smooth-edged milling cutters, which are used with HPC milling, chips are produced in length of the ap (infeed). This produces a lot of chips in a very short time, which are difficult to remove from the process. Chips remain on the workpiece during milling and are difficult to remove. The RF 100 Speed solves this problem thanks to its innovative chip breaker: it breaks the chips short and thus ensures a smooth chip removal with the HPC machining. The chips can be removed more easily, especially with internal contours and cavities, thus creating advantages in process reliability. The machine load is significantly reduced by the light cut on the HPC milling and the volume output is increased.

Our material specialists

The milling cutter RF 100 Speed has an appropriate geometry to cope with materials such as tough, low- and high-alloy steels and difficult-to-machine materials – especially in modern application techniques such as the HPC milling strategy.

Close-up of an HPC milling cutter RF 100 Speed P

Solid carbide milling cutter
RF 100 Speed P

Strong in high-strength steels and all types of cast iron

Thanks to its high helix angle and large flutes, the RF 100 Speed P ensures a low machine load and power consumption. The reduced number of teeth on the four-cutter provides maximum chip space for effective chip removal. Thanks to its 3° rake angle, the tool is suitable for materials such as high-strength steels up to 1600 N/mm² or 48 HRC, as well as all types of cast iron.

Your advantages with the RF 100 Speed P:

  • high performance roughing even at high cutting depths
  • universal GTC machining with an ae of up to 15%
  • optimal for milling on high-strength steels up to 48 HRC and all types of cast iron

RF 100 Speed P in the online shop

Close-up of an HPC milling cutter RF 100 Speed M

Solid carbide milling cutter
RF 100 Speed M

Specialist for stainless steels and special alloys

Gühring has added a material specialist to its RF 100 Speed product range for machining stainless steels. The RF 100 Speed M four-cutter has a larger rake angle of 9°, which makes it particularly easy for soft-tough steels up to 850 N/mm², high-alloyed and stainless steels, as well as special alloys, to be cut.

Your advantages with the RF 100 Speed M:

  • larger rake angle of 9° ensures thin chips during milling
  • universal GTC machining with an ae of up to 15%
  • optimised for machining soft-tough steels up to 850 N/mm², high-alloy and stainless steels, as well as special alloys

RF 100 Speed M in the online shop

The features in detail

The milling cutter RF 100 Speed has an appropriate geometry to cope with materials such as tough, low- and high-alloy steels and difficult-to-machine materials – especially in modern application techniques such as the HPC milling strategy.

Corners & ends double protected

The particularly large rake angles of the RF 100 Speed and its optimised web thinning allow for process-reliable plunging in helical or inclined ramps. The unequal blade pitch ensures improved running smoothness on the HPC milling and leads to excellent surfaces and high tool lives. A special corner protection chamfer and face correction protect the sensitive cutting edge corner from two sides, so that the cutting edge can also withstand heavy shear loads. The shank of the RF 100 Speed creates more chip space thanks to a core jump in the front field, making full grooves up to 0.8xD possible without any problems.

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For maximum volume performance

The RF 100 Speed really comes into its own with dynamic milling strategies such as HPC milling. Its light cut significantly reduces the machine load during HPC milling and increases the volume output. Very high cutting parameters are the result.

Application example HPC roughing

Dry machining in 42CrMo4 (1.7225 with 900 N/mm²) in HPC clamping chucks with PinLock pull-out safety device

Cutting parameters:

  • ap: 60 mm
  • ae: up to 1 mm
  • Vc: 270 m/min
  • S: 4300 min-1
  • fz: up to 0.21 mm
  • Vf: up to 3715 mm/min
  • metal removal rate Q: 222 cm³/min
  • tool life: over 278 min at roughing
#$6 Newsroom
This is where the music plays
Vibrations during milling? This is a problem for a Japanese manufacturer of guitar parts. Gühring provides the solution: The RF 100 Speed not only shines with its high running smoothness, but also with 25 per cent higher tool lives

The new GTC power

With limited machine speed or cutting speeds limited by the material, the RF 100 5 and 7 Speed ensure high feed rates and long tool lives due to the increased number of teeth. They are particularly suitable for difficult-to-cut materials under stable conditions.

Close-up of an HPC milling cutter RF 100 Speed 5

Solid carbide milling cutter
RF 100 5 Speed

Highly dynamic GTC machining operations with up to 10% ae

When milling very tough materials, an increase in cutting speed is only possible to a limited extent, taking process reliability into account. Thanks to the increased number of teeth of the RF 100 Speed five-flute ratio milling cutter, high metal removal rate with stable process reliability can be realised even in these difficult-to-machine materials. The tool allows highly dynamic GTC machining operations with an ae of up to 10%.

Your advantages with the RF 100 5 Speed:

  • maximum feed rates for large metal removal rate
  • can be used in all tough materials up to 1200 N/mm²
  • ramping up to 10°, slotting with cutting depths up to 1xD, helical milling

RF 100 5 Speed in the online shop

Close-up of an HPC milling cutter RF 100 Speed 7

Solid carbide milling cutter
RF 100 7 Speed

Highly dynamic GTC machining operations at up to 8% ae

The seven-edged version of the RF 100 Speed is particularly suitable for difficult-to-cut materials under stable conditions. If a lot of material is to be machined in the shortest possible time, the RF 100 7 Speed is the first choice, as it is also perfectly suited for highly dynamic milling strategies.

Your benefits with the RF 100 7 Speed:

  • maximum feed rates for large metal removal rate
  • can be used in all tough materials up to 1200 N/mm²
  • helix milling up to 0.05xD ap infeed per revolution

RF 100 7 Speed in the online shop

Gühring and Chiron set machining record
8 kg steel per minute

Chiron and Gühring, machine manufacturer and tool specialist, have the same aspiration: to deliver outstanding products and to raise the respective level of performance even further through symbiosis clamping screws. The result: 1,000 cm³ steel (16MnCr5) were machined in 60 seconds. Eight kilograms of steel per minute.

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Both companies offer products which are outstanding in dynamics and performance: Chiron with its FZ 16 S five-axis single-spindle machine and Gühring with its RF 100 Speed P solid carbide milling cutter. Now the professionals wanted to prove the level of performance of these top products under real conditions. It turned out that the interplay of machine dynamics and milling stability makes metal removal rate possible, which makes hearts beat faster in mould making, the aviation industry and automotive industry.

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