RADIAL FACE GROOVING TOOL FOR GL INSERTS_GLSG R-R AXIAL
Caution
Product Description
Pramet GLSG R-R AXIAL is a right-hand, 90° radial face grooving tool holder for GL inserts with a 25 × 25 mm steel shank. It is suited for face grooving, face turning and profiling, and its reinforced blade and treated body give reliable deep face grooving and longer tool life.
Brand: Dormer Pramet (Pramet)
Product family: GL grooving and parting-off system – face grooving tools, GLSG R-R AXIAL
Product category: Turning – grooving and parting-off – face grooving – GL family
Code designation (example: GL3-S2525MGR-15-R044033)
- GL – tool group
- 3 – pocket size (GL3)
- S – steel shank without internal coolant
- 2525 – shank H × B 25 × 25 mm
- M – functional length LF 150 mm
- G – tool style (90°)
- R – right-hand version
- 15 – maximum cutting depth CDX 15 mm
- R – blade curvature direction
- 044 – maximum diameter DAXX 44 mm
- 033 – minimum diameter DAXIN 33 mm
Operations (manufacturer data)
- Face copy turning
- Shallow axial groove
- Shallow and wide axial groove (with following expansion)
- Deep axial groove
- Deep and wide axial groove (with following expansion)
Working conditions
- Finishing, medium machining and roughing: primary use
- Stable and unstable working conditions: primary use
- Very unstable working conditions: possible use
Usage notes
- Select a holder whose DAXIN – DAXX range covers the diameter of the face groove to be machined.
- Use the largest possible shank cross-section and the smallest possible overhang and CDX to reduce vibration.
- Apply coolant directly to the cutting edge in sufficient quantity; this lowers the temperature of the cutting edge and seat and prolongs tool life.
- The S-type shank has no internal coolant supply.
- Tighten the clamping screw HS 0620 to 6.0 Nm with key HXK 5.
The Pramet GLSG R-R AXIAL family is the right-hand, 90° (radial) type in the Dormer Pramet range of face grooving tools for GL inserts. Each holder has a curved blade matched to a defined axial groove diameter range, allowing grooves to be plunged and widened on the end face of the workpiece.
Key features
- Reinforced blade and robust insert seat design for reliable security in demanding deep face grooving.
- Blade curvature matched to the axial groove diameter range of each model (DAXIN – DAXX).
- Accepts double-ended GL inserts with GM and MM chipbreakers: pocket size GL3 (CW 3.00 mm) and GL4 (CW 4.00 mm).
- Insert clamping System G with clamping screw HS 0620.
- Body treated for longer tool life.
- Primary use for finishing, medium machining and roughing, in stable and unstable working conditions.
Applications
- Shallow and deep axial grooves on the workpiece face
- Wide face grooves made by plunging followed by expansion
- Face copy turning and profiling
| Product type | Radial face grooving tool holder, 90° type (GLSG) |
|---|---|
| Hand | Right-hand (R) |
| Insert system | Pramet GL double-ended inserts |
| Pocket size / cutting width (CW) | GL3: 3.00 mm GL4: 4.00 mm |
| Compatible inserts | GL3-GM, GL3-MM (GL3) GL4-GM, GL4-MM (GL4) |
| Shank | Steel shank without internal coolant (S), H × B 25 × 25 mm |
| Functional height (HF) | 25 mm |
| Functional length (LF) | 150 mm |
| Maximum cutting depth (CDX) | 15 – 25 mm (depending on model) |
| Axial groove diameter range | DAXIN 33 mm – DAXX 400 mm (depending on model) |
| Insert clamping | System G, screw HS 0620, tightening torque 6.0 Nm, key HXK 5 |
| Body | Treated for longer tool life |
GLSG R-R AXIAL range. All models: H × B 25 × 25 mm, HF 25 mm.
| Model | CW (mm) | CDX (mm) | DAXX (mm) | DAXIN (mm) | WF (mm) | LF (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| GL3-S2525MGR-15-R044033 | 3.00 | 15 | 44 | 33 | 40.9 | 150 | 0.75 |
| GL3-S2525MGR-15-R055040 | 3.00 | 15 | 55 | 40 | 40.9 | 150 | 0.75 |
| GL3-S2525MGR-20-R080051 | 3.00 | 20 | 80 | 51 | 45.9 | 150 | 0.75 |
| GL3-S2525MGR-25-R110076 | 3.00 | 25 | 110 | 76 | 50.9 | 150 | 0.75 |
| GL4-S2525MGR-20-R065050 | 4.00 | 20 | 65 | 50 | 46 | 150 | 0.77 |
| GL4-S2525MGR-25-R095060 | 4.00 | 25 | 95 | 60 | 51 | 150 | 0.76 |
| GL4-S2525MGR-25-R160090 | 4.00 | 25 | 160 | 90 | 51 | 150 | 0.76 |
| GL4-S2525MGR-25-R400150 | 4.00 | 25 | 400 | 150 | 51 | 150 | 0.75 |
CW = cutting width, CDX = maximum cutting depth, DAXX = maximum axial groove outside diameter, DAXIN = minimum axial groove inside diameter, WF = functional width, LF = functional length.
Straight square steel shank (H × B 25 × 25 mm) with a functional length LF of 150 mm. At the front end, a reinforced curved blade carries the GL insert seat in the 90° tool style (G), right-hand version. The insert is held by a clamping screw.
Dimension symbols
- H – shank height
- B – shank width
- HF – functional height (cutting edge height)
- LF – functional length
- WF – functional width
- CW – cutting width
- CDX – maximum cutting depth
- DAXX – maximum axial groove outside diameter
- DAXIN – minimum axial groove inside diameter
WF, CW, CDX, DAXX and DAXIN differ by model; see the Specification Table.
How to choose a GLSG R-R AXIAL holder
- Groove diameter: choose the model whose DAXIN – DAXX range covers the face groove diameter on your part.
- Groove width: GL3 holders take inserts with CW 3.00 mm; GL4 holders take inserts with CW 4.00 mm.
- Groove depth: choose the smallest CDX (15, 20 or 25 mm) that reaches the required depth, to reduce vibration.
Choosing the insert chipbreaker
- GM – versatile geometry for grooving and turning. For deep face grooving use only GM, which forms long helical chips that do not get stuck in the face groove.
- MM – full-radius geometry for copy profiling and turning. For face turning and profiling use GM or MM, which form short chips.
Choosing the insert grade by workpiece material
- G8330 (PVD) – universal grade for grooving and parting-off, suited to most workpiece materials: P25 – P40, M20 – M35, K20 – K40, S15 – S25.
- T7325 (MT-CVD) – universal turning grade, especially designed for stainless steel: P15 – P35, M10 – M25, K15 – K25, S10 – S25.
Example inserts – GL3: GL3-D300M02-GM, GL3-D300M04-GM, GL3-D300MMO-MM. GL4: GL4-D400M04-GM, GL4-D400M08-GM, GL4-D400MMO-MM. Each is available in G8330 and T7325.