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Tool holders and accessories 614

Precision hydro expansion clamping chuck

Design: JISB 6339 (MAS-BT), form AD/B, with internal cooling. Material with tensile strength of 1600–1800 N/mm 2 , hardness of 52 ±2 HRC. Hydraulic fluid is compressed using a hydraulic clamping set (pressure screw, pressure pin, seal) using a hexagonal T-key. The pressure forces developed effects even deformation by which the tool shank is being clamped with high concentricity (max. 3 µm). Taper to DIN 254. Taper angle: Tolerance AT3. Maximum speed: 40000 min -1 . Optimal operating temperature: 20–50 °C. Coolant pressure maximum: 80 bar. Range of adjustment: 10 mm. Balancing quality: G2.5 25000 min -1 . Supplied: Hydro expansion clamping chuck with hexagon T-key.

B JIS 6339 MAS/BT

Form AD/B

3442

Order No. D 3 mm l 1 mm l 2 mm l 3 mm l 4 mm g A/F mm 0202 6 355.50 ◊ 40 26.0 49.5 90.0 37 10 29 M5 2.5 0205 8 355.50 ◊ 40 28.0 49.5 90.0 37 10 30 M6 3.0 0208 10 355.50 ◊ 40 30.0 49.5 90.0 41 10 35 M6 3.0 0211 12 310.50 ◊ 40 32.0 49.5 90.0 46 10 40 M10 5.0 0214 14 355.50 ◊ 40 34.0 49.5 90.0 46 10 40 M10 5.0 0217 16 355.50 ◊ 40 38.0 49.5 90.0 49 10 46 M10 5.0 0220 18 355.50 ◊ 40 40.0 49.5 90.0 49 10 46 M10 5.0 0223 20 310.50 ◊ 40 42.0 49.5 90.0 51 10 47 M10 5.0 0226 25 355.50 ◊ 40 55.0 52.0 90.0 57 10 50 M10 5.0 0229 6 498.50 ◊ 50 26.0 49.5 110.0 37 10 29 M5 2.5 0232 8 498.50 ◊ 50 28.0 49.5 110.0 37 10 30 M6 3.0 0235 10 498.50 ◊ 50 30.0 49.5 110.0 41 10 35 M8 4.0 0238 12 452.50 ◊ 50 32.0 49.5 110.0 46 10 36 M10 5.0 0241 14 498.50 ◊ 50 34.0 49.5 110.0 46 10 37 M10 5.0 0244 16 498.50 ◊ 50 38.0 49.5 110.0 49 10 40 M12 6.0 0247 18 498.50 ◊ 50 40.0 49.5 110.0 49 10 41 M12 6.0 0250 20 452.50 ◊ 50 42.0 49.5 110.0 51 10 42 M16 8.0 0253 25 498.50 ◊ 50 55.0 60.0 110.0 57 10 48 M16 8.0 0256 32 498.50 ◊ 50 63.0 70.0 115.0 61 10 61 M16 8.0 (326) D 1 mm BT D 2 mm

Systems

Clamping

Precision hydro expansion clamping chuck short, heavy

3442

Order No. D 2 mm l 1 mm l 2 mm l 3 mm g A/F mm 0302 20 253.50 40 49.5 72.5 51 10 M10 5.0 0305 32 287.50 50 72.0 90.0 61 10 M16 8.0 (326) D 1 mm BT

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