Description LSB 90-TOP — Pneumatic Turbine Straight Grinder High-speed turbine straight grinder with centrifugal governor for constant speed under load, active brake for short stopping time, very low noise/vibration and TOP-Technology for oil-free operation — ideal for contamination-sensitive precision work. Key Benefits Centrifugal governor maintains constant speed under load for ultra-stable machining. Active brake delivers very short stopping times for safer, faster workflow. TOP-Technology enables oil-free or optional oiled operation — clean exhaust and no oil film on work pieces. Very low noise & vibration increases operator comfort and precision. High speed 92,000 min⁻¹ for finest milling, engraving and finishing results. Download spec sheet: LSB 90-TOP Spec Sheet (PDF) Request Price Quote Applications Fine milling, grinding, engraving and polishing — especially for tool and patternmaking, aircraft construction, and reworking or finishing contamination-sensitive 3D-printed and precision components. Technical Data Type: LSB 90-TOP Idling speed: 92,000 min⁻¹ Air consumption (idling): 0.290 m³/min Power: 220 W Air supply hose Ø: 8 mm Collet: 3 mm ID-No.: 112 049 01 Mat.-No.: 100 035 613 Type: LSB 90-TOP (USA) Idling speed: 92,000 min⁻¹ Air consumption (idling): 0.290 m³/min Power: 220 W Air supply hose Ø: 8 mm Collet: 1/8 inch ID-No.: 112 049 02 Mat.-No.: 100 035 614 Standard Equipment 1 × Collet 1 × Spanner set Supply and exhaust hose Rotary valve Accessories & Replacement Parts ACCESSORIES Open end wrench, ID-No.: 037 857 06, Mat.-No.: 100 048 822 Exhaust hose complete, Exhaust air hose, ID-No.: 097405 01, Mat.-No.: 100 040 042 COLLETS SPZ 3 mm, Bore: 3 mm (0.12 inch), ID-No.: 014 913 02, Mat.-No.: 100 051 830 SPZ 1/8″, Bore: 3.175 mm (1/8 inch), ID-No.: 014 913 03, Mat.-No.: 100 051 831 SPZ 3/32″, Bore: 2.34 mm (1/8 inch), ID-No.: 014 913 01, Mat.-No.: 100 051 829 Frequently Asked Questions 1. What industrial advantages does the LSB 90-TOP turbine straight grinder offer over standard air grinders? The turbine drive with centrifugal governor keeps the spindle at a constant speed of 92,000 min⁻¹ under load, delivering unmatched stability for precision tasks in toolmaking, patternmaking and aerospace finishing. 2. How does the active brake system benefit operators during precision work? The active brake produces very short stopping times after shutdown, improving safety and reducing idle time between sequential precision operations. 3. What role does TOP-Technology play in industrial environments? TOP-Technology allows operation with or without oil, providing clean exhaust and breathing air and eliminating oil films on parts — essential where contamination must be avoided. 4. What air supply characteristics are needed to keep the LSB 90-TOP at full performance? Supply a stable 0.290 m³/min of clean, dry air through an 8 mm hose; consistent pressure and filtration are critical for the turbine to maintain 92,000 min⁻¹ during long cycles. 5. What safety measures should be followed when working with a turbine grinder running at 92,000 min⁻¹? Wear eye and hearing protection, verify the correct collet and bur seating (3 mm or 1/8″), and keep the tool away from the workpiece on startup. Respect rapid braking characteristics and maintain disciplined handling procedures. Pricing, Availability & Lead Times For pricing and lead time, request a price quote or contact us.
