POLISTAR-TUBE Abrasive Star, 2-1/4"dia,6 Layers,4mm Bore,240 Grit,Aluminum oxide

Technical information

POLISTAR-TUBE Abrasive Star, 2-1/4"dia,6 Layers,4mm Bore,240 Grit,Aluminum oxide

Abrasive: Aluminum oxide A
Dia. external: 2-1/4 Inch
Dia. external: 60 mm
Dia. hole: 3/19 Inch
Dia. hole: 4 mm
EDP no.: 44023
Grit size: 240
Max. RPM: 6350 RPM
Number, layers: 6 pcs.
RPM, optimum: 2500 RPM
Packaging unit: 10 pieces

Description

POLISTAR-TUBE products are made of multi-layered cross buffs that are riveted together. They are designed for working on the inner surfaces of pipes and pipe bends.

Use cross buffs with the suitable flexible shafts 4 PST-T DIN 10/M4 (EDP 94264).

Advantages

Conforms to contours due to high flexibility.
Stainless steel rivets prevent contamination of stainless steel (INOX) workpieces.
Achieves very fine surface quality grades of up to 8 μin (0.2 μm).

Recommendations for use

For the best performance, use with a recommended peripheral speed of 3,000-4,000 SFPM.
Select the POLISTAR diameter based on the respective pipe's inner diameter: Dia. 2-1/4" for inner pipe dia. 1-5/8" - 1-3/4"
Grit size 240 designed for roughness value 0.3-0.4 μm Ra.

Ordering notes

Please order arbor separately.

Safety notes

For safety reasons, the maximum permitted rotational speed indicated must never be exceeded.

Materials that can be worked: Aluminum; Annealed cast iron; Brass; Cast steel; Copper; Grey/nodular cast iron (GG/GJL, GGG/GJS); Hardened, heat-treated steels over 370 HV (38 HRC); Steel materials with a hardness > 54 HRC; Steels up to 370 HV (< 38 HRC)

Applications: Deburring; Leveling; Step-by-step fine grinding; Structuring (matt finishing, brush matting and satin finishing); Surface work; Work on weld seams