Clamping system &
tool holders
Precision is a matter of adjustment
From the spindle to the cutting edge: to deliver the perfect machining result, Gühring offers modular tool holders, clamping system and tools from a single source.
Tool holders
Application overview
It is not only the machine and tool that are crucial for achieving perfect machining results. The tool holder and clamping situation also play a decisive role. We present various troubleshooting solutions that will enable you, the user, to master any challenge.
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| Tool holders | Shrink fit chuck | Hydro expansion chuck | HPC power chuck | GühroSync | ER-collet chuck |
| Main application | HSC – universal (drilling, countersinking, milling, reaming) | reaming and drilling (countersinking, HSC-application, light milling) | HPC milling (heavy HPC-, and fast, precise HSC-milling, drilling, universal application) | synchronised thread cutting and fluteless tapping | flexible – universal (light machining, centring, milling, drilling, threads, intermediate shank dimensions) |
| Main feature | precise and universal; slim; high clamping force | easiest handling | highest clamping force and rigidity | combines properties of hydraulic expansion and synchroclamping technology; optimally compensates for deviations of machine | high flexibility |
| Clamping diameter range | 3 – 32 mm | 3 – 32 mm | 3 – 32 mm 1 – 6 mm (HPC extension) |
holder-Ø 12: M2 – M12 (Mt max.: 26 Nm), holder-Ø 20: M4.5 – M20 (Mt max.: 90 Nm) |
ER 11: 0.5 – 7.0 mm ER 16: 0.5 – 10.0 mm ER 20: 0.5 – 13.0 mm ER 25: 0.5 – 16.0 mm ER 32: 1.0 – 20.0 mm ER 40: 3.0 – 26.0 mm |
| Concentricity | < 3 µm | < 3 µm | < 3 µm | < 50 µm | < 10 µm |
| At 5xD | < 5 µm | < 5 µm | < 8 µm | – | < 20 µm |
| Clamping force | very high | very high | extremely high | very high | medium |
| Rigidity | very high | high | extremely high | medium | low |
| Damping | low | very high | high | very high | high |
| Interference contour | small / smallest | medium | medium | medium | large (mini = small) |
| Handling | good | very good / very flexible | very good / flexible | very good / very flexible | good |
MQL clamping set
GühroClamp
Excellent clamping force and optimum coolant delivery
The MQL clamping set with 4-point clamping technology offers maximum clamping force. Thanks to its compact design and innovative coolant delivery, this tool holder is perfect for a radial, manual tool clamping. The high precision and reliable performance enable versatile use with different spindle contours.
Your advantages with the MQL clamping set:
- universal applicability for MQL and conventional coolant delivery
- maximum clamping force and straight coolant flow
- simple assembly and versatile use
Shrink fit chuck
TSG 3000
Simple handling, precise results
The shrink fit chuck guide ring achieves an optimum connection between shrink fit chuck and shank tool. The special shrink fit technology enables a quick and easy tool change cycle. The temperature indicator and the PVD coating ensure a long life of the shrink fit chuck.
Your advantages with the TSG 3000:
- excellent radial concentricity (concentricity error ≤ 3 μm)
- safe power and torque transmission
- very high clamping force and rigidity
- extended tool lives of the clamped tools
Hydraulic chuck
HMC 3000
Clamp small diameters directly into the chucks
The tool holder HMC 3000 offers optimum conditions for high machining speeds. With the hydraulic expansion chuck technology, tools with shank diameters smaller than 6 mm can be clamped directly for the first time. This enables maximum precision and flexibility for a wide range of applications.
Your advantages with HMC 3000:
- simple handling, fast and precise length presetting
- perfect concentricity < 3 µm, even with extra-long chucks
- high clamping force for a secure hold
- suitable for minimum quantity lubrication (MQL)
Threaded tap holder
GühroSync
The best of two systems
Radial and axial inaccuracies during threading jeopardise the quality of the components. With the GühroSync, Gühring offers a synchronous threading clamping chuck that combines the advantages of the hydro-expansion and synchronous clamping chucks and optimally compensates for machine deviations.
Your advantages with GühroSync:
- higher service life and excellent thread quality
- reduced axial and radial forces
- fast and precise length presetting of the tools
GühroSync as a solution from Gühring
The problem definition:
Radial and axial deviations can occur at various points during threading. On the one hand, the synchronisation of the rotary and feed axes decreases due to wear. On the other hand, there may be load peaks and dimensional changes. Increasing speeds also increase the dynamic load in the axial and radial direction.
The solution:
- the tool holder GühroSync then takes over the vibration damping
- as a synchro chuck, it compensates for differences in the thread pitch
- the tapping chuck also compensates for load peaks and prevents a heat-loaded machining
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More InformationThe combination of metal springs, polymer dampers and hydro-expansion clamping technology optimally reduces axial and radial forces, enabling this chuck to reduce tool wear by up to 75 per cent. In addition, the Gührosync tool holder was designed for MQL and wet environments, offering advanced technology at a standard market price.
By using the synchronous thread chuck, users achieve longer tool life, higher cutting parameters, shorter cycle times, improved thread quality and reduced tool wear. Small businesses benefit from the convenient handling and greater process reliability of the tool holder. In large-scale batch production, the focus is on reduced tooling costs.
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