0226007 SCHUNK Polygonal tool chuck TRIBOS-RM with HSK32E shank DIN 69893-5 for HSC machining, clamping diameter 12mm and length 78mm
(Incl. Tax: €591.70)
The TRIBOS-RM polygonal chuck is designed for ultra-precise HSC machining in the field of micro-cutting, reaching speeds of over 85,000 rpm. Its anchoring structure ensures rigidity and stability, while a run-out of ≤ 0.006 mm guarantees surface quality and process reliability in metal cutting applications. Available in various sizes, it integrates perfectly into compact, dynamic machining centers, featuring HSK-E 32 DIN 69893-5 shank, G2.5 balancing grade, and h6 tool shank.
The SCHUNK TRIBOS-RM HSK-E 32 polygonal toolholder is designed for high-speed micro-machining applications where precision, dynamic stability and deep accessibility are essential. The HSK-E interface according to DIN 69893 ensures a rigid and highly balanced connection between spindle and tool.
The TRIBOS clamping system is based on controlled elastic deformation of the internal polygonal profile. Using the TRIBOS SVP device, the clamping diameter is temporarily transformed into a circular shape to allow tool insertion. Once the pressure is released, the holder returns to its original polygonal form, clamping the tool shank uniformly and without backlash. In this extended version, run-out is guaranteed within < 0.006 mm at 2.5 x D, optimized for longer tool overhang.
The L=78 mm length improves accessibility in deep cavities and hard-to-reach areas while maintaining a balanced combination of rigidity and stability. The symmetric rotation design ensures stable performance at speeds up to 85,000 rpm, with standard balancing G2.5 at 25,000 rpm (Umax < 1 gmm).
The toolholder is designed for h6 tool shanks and allows clamping of different diameters using reduction sleeves, increasing application flexibility. It features an access hole for TRIBOS SVP operation and includes an optional data chip seat compliant with DIN 69893.
The absence of threaded coolant connection allows a more compact geometry, ideal for high dynamic machining without interference in tight spaces.
This configuration is ideal for micro-machining, high-speed machining with long tools, deep cavity operations and applications requiring high precision and repeatability.
TRIBOS-RM HSK-E 32 – Dimensional technical data
| Size | D₂ [mm] | D₃ [mm] | L [mm] | L₂ [mm] | L₄ [mm] | L₅ [mm] | Mmin [Nm] | Weight [kg] |
|---|---|---|---|---|---|---|---|---|
| 12 | 20 | 21.5 | 78 | 60.2 | 30 | 58 | 20 | 0.35 |
TRIBOS-RM HSK-E 32 – Technical features and benefits
| Product description | TRIBOS-RM is suitable for high-speed micromachining operations up to 85,000 rpm. Extremely high concentricity accuracy ≤ 0.003 mm and the rigidity provided by the anchor structure form the basis of these compact toolholder connections and guarantee precision and process reliability during machining. The various sizes are perfectly suited to small highly dynamic machining centers. |
| High radial rigidity | Stability at high cutting forces, good machining performance and therefore faster machining times and higher productivity |
| Small and compact design | Precise and reliable machining |
| Standard fine balancing | Suitable for high speeds with a balancing grade of G2.5 at 25,000 rpm |
| Total compatibility | Ideally combinable with TRIBOS SVL tool extensions |
| Constant concentricity and repeatability accuracy | ≤ 0.003 mm |
| Reduced machine setup times and costs | Fast and easy tool change with the TRIBOS-RM SVP clamping device |
| Excellent vibration damping | Micro blowholes are avoided and better workpiece surfaces are achieved, the machine spindle is protected, tool life is extended and therefore costs are reduced |
| Symmetrical rotation design | The rotationally symmetrical structure minimizes the interference contour and ensures a high rotational speed |
TRIBOS-RM HSK-E 32 – Technology and operating principle
| Technology | TRIBOS SVP actuation devices deform the polygonal shape of the toolholder until it becomes circular, making tool insertion possible. When pressure is released, the toolholder returns to its original polygonal shape, securely and precisely locking the inserted tool shank. |
| Element 1 | Anchor structure – The anchor structure ensures high stability |
| Element 2 | Base body – The machine-side interface is located on the base body |
| Element 3 | Compact design – For high radial rigidity and high run-out accuracy |
| Step 1 | Polygonal clamping diameter – By using the TRIBOS SVP clamping devices and the matching actuation pressure, the polygonal clamping diameter of the toolholder deforms and becomes circular. |
| Step 2 | The polygonal clamping diameter takes on a circular shape through actuation pressure, thus facilitating insertion of the tool shank. |
| Step 3 | Insertion of the tool shank – When the pressure exerted on the clamping diameter is reduced, it resumes its original polygonal shape. |
| Step 4 | Tool clamped – The inserted tool shank is clamped reliably with high repeatability accuracy. |
- Brand:
- SCHUNK
- Typology:
- Polygonal closure
- Length "L":
- 78mm
- Size:
- 12mm
- Shank Type:
- HSK32E
