Description
LFB 44 — Pneumatic Tool-Post Grinder
High-precision pneumatic tool-post grinder with precision support for internal, external and fine grinding tasks on machining centers and lathes.
Key Benefits
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- Precision tool-post grinder for machining centers, lathes and toolrooms.
- High spindle speed — 44,000 min⁻¹ enables clean finishing and controlled material removal.
- 250 W power output delivers stable cutting performance during demanding grinding operations.
- Available in 6 mm or 1/4″ collet versions for universal tooling compatibility.
- Designed for ultra-precise support when mounted to a machine tool or tool post.
Download spec sheet: LFB 44 Spec Sheet (PDF)
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Applications
For high-precision work such as internal grinding, milling, external grinding, fine drilling, thread grinding, engraving and centring — ideal for toolrooms, production machining and precision component finishing.
Technical Data
- Type: LFB 44
- Idling speed: 44,000 min⁻¹
- Air consumption (idling): 0.600 m³/min
- Power: 250 W
- Air supply hose Ø: 8 mm
- Collet (metric): 6 mm
- ID-No.: 052 373 08
- Mat.-No.: 100 046 868
- Type: LFB 44 (1/4″ USA)
- Idling speed: 44,000 min⁻¹
- Air consumption (idling): 0.600 m³/min
- Power: 250 W
- Air supply hose Ø: 8 mm
- Collet (inch): 1/4″
- ID-No.: 052 373 13
- Mat.-No.: 100 046 873
Standard Equipment
- 1 × Collet
- 1 × Open end wrenches SW 11 and SW 14
- Supply and exhaust hose
- Rotary valve
Accessories & Replacement Parts
ACCESSORIES
- Open end wrench, SW 11, ID-No.: 037 857 01, Mat.-No.: 100 048 817
- Open end wrench, SW 14, ID-No.: 037 857 03, Mat.-No.: 100 048 819
- Supply hose complete, ZS 8 mm × 2 m, ID-No.: 907 178 00, Mat.-No.: 100 010 247
- Exhaust hose complete, AS 21/25 0.75 m, ID-No.: 907 179 00, Mat.-No.: 100 010 248
- Toolpost, SUP 45 26 mm LFB 44, ID-No.: 047 151 02, Mat.-No.: 100 049 311
COLLETS
- SPZ 3 mm, Bore: 3.0 mm (0.12″), ID-No.: 050 325 03, Mat.-No.: 100 047 503
- SPZ 6 mm, Bore: 6.0 mm (0.24″), ID-No.: 050 325 01, Mat.-No.: 100 047 501
- SPZ 8 mm, Bore: 8.0 mm (0.32″), ID-No.: 050 325 17, Mat.-No.: 100 047 509
- SPZ 1/4″, Bore: 6.4 mm (1/4″), ID-No.: 050 325 02, Mat.-No.: 100 047 502
Frequently Asked Questions
1. What industrial tasks benefit most from using the LFB 44 tool-post grinder?
The LFB 44 is engineered for high-precision internal grinding, external grinding, fine drilling, centring, and thread grinding, making it ideal for toolrooms, machining centers, and precision component production where tight tolerances are required.
2. How does the 44,000 min⁻¹ spindle speed improve performance in precision grinding?
Its ultra-high rotational speed enables clean material removal, fine finish quality, and accurate geometry control on hardened steels and small internal bores, essential for toolmaking and precision manufacturing.
3. What airflow conditions are needed to maintain consistent grinding accuracy?
With an air consumption of 0.600 m³/min and an 8 mm air hose, stable, dry, and regulated compressed air ensures constant spindle speed, preventing chatter or uneven cutting during critical grinding operations.
4. How does the collet system improve versatility for different precision tools?
The 6 mm or 1/4″ collet options provide secure and concentric holding for mounted points, carbide tools, and miniature grinding wheels, ensuring smooth rotation and precise tool engagement at high RPM.
5. What safety measures are important when operating the LFB 44 at high speed?
Operators should verify tool balance, ensure proper collet tightening, and use eye protection and guarding on the lathe or machine tool. Starting the grinder off the workpiece prevents sudden tool contact and maintains control during exact positioning.
