309 BROCAS DE PALETA • SPADE DRILL DESCRIPCIÓN DEL PORTAHERRAMIENTAS · DESCRIPTION OF HOLDER MODELS ×D • mm + Profundidad de corte • mm + cutting depths ≈ 4×D ∅ 18-24 mm = 117,5 mm ∅ 25-35 mm = 136,5 mm ∅ 36-47 mm = 165,1 mm 311 ≈ 5×D ∅ 9,5-12,5 mm = 60,3 mm ∅ 13-17,5 mm = 63,5 mm ∅ 18-24 mm = 168,3 mm ∅ 25-35 mm = 187,3 mm ∅ 36-47 mm = 209,6 mm ∅ 48-65 mm = 231,8 mm 313/315 ≈ 8×D ∅ 9,5-12,5 mm = 111,1 mm ∅ 13-17,5 mm = 114,3 mm ∅ 18-24 mm = 269,9 mm ∅ 25-35 mm = 288,9 mm 317 ≈ 3×D ∅ 9,5 - 12,5 mm = 31,8 mm ∅ 13-17,5 mm = 34,9 mm ∅ 18-24 mm = 66,7 mm ∅ 25-35 mm = 85,7 mm ∅ 36-47 mm = 120,7 mm ∅ 48-65 mm = 130,2 mm 319/321 ≈ 8×D ∅ 36-47 mm = 349,3 mm ∅ 48-65 mm = 422,3 mm 323 ≈ 12×D ∅ 9,5-11 mm = 222,0 mm ∅ 11,5-12,5 mm = 222,3 mm ∅ 13-17,5 mm = 295,0 mm ∅ 18-24 mm = 457,0 mm ∅ 25-35 mm = 511,0 mm ∅ 36-47 mm = 558,8 mm ∅ 48-65 mm = 625 mm 325/327 ≈ 15×D ∅ 9,5-11 mm = 290,0 mm ∅ 11,5-12,5 mm = 290,5 mm ∅ 13-17,5 mm = 387,0 mm ∅ 18-24 mm = 569,0 mm ∅ 25-35 mm = 692,0 mm ∅ 36-47 mm = 787,4 mm ∅ 48-65 mm = 879,0 mm 329/331 ≈ 4×D ∅ 18-24 mm = 120,7 mm ∅ 25-35 mm = 136,5 mm ∅ 36-47 mm = 165,1 mm 333 ≈ 5×D ∅ 9,5-12,5 mm = 60,3 mm ∅ 13-17,5 mm = 63,5 mm ∅ 18-24 mm = 171,5 mm ∅ 25-35 mm = 187,3 mm ∅ 36-47 mm = 209,5 mm ∅ 48-65 mm = 231,8 mm 335/337 ≈ 8×D ∅ 9,5-12,5 mm = 111,1 mm ∅ 13-17,5 mm = 114,3 mm ∅ 18-24 mm = 273,1 mm ∅ 25-35 mm = 289,0 mm 339 ≈ 3×D ∅ 9,5-12,5 mm = 31,8 mm ∅ 13-17,5 mm = 35 mm ∅ 18-24 mm = 69,8 mm ∅ 25-35 mm = 85,7 mm ∅ 36-47 mm = 120,6 mm ∅ 48-65 mm = 130,1 mm ∅ 64-114 mm = 171,5 mm 341/343 ≈ 8×D ∅ 36-47 mm = 349,3 mm ∅ 48-65 mm = 422,3 mm ∅ 64-88 mm = 463,6 mm ∅ 90-114 mm = 555,6 mm 345/347 ≈ 12×D ∅ 36-47 mm = 558,8 mm ∅ 48-65 mm = 625,0 mm ∅ 64-88 mm = 660,0 mm ∅ 90-114 mm = 685,0 mm 349/351 ≈ 15×D ∅ 36-47 mm = 787,4 mm ∅ 48-65 mm = 879,0 mm ∅ 64-88 mm = 889,0 mm ∅ 90-114 mm = 939,0 mm 353/355 356/357 Mango DIN 1835-B Mango cilíndrico con superficie de sujeción Shank DIN 1835-B Lateral fixation type flange shank Mango DIN 1835-B Mango cilíndrico con superficie de sujeción Shank DIN 1835-B Lateral fixation type flange shank Cono Morse ISO 296 tipo BEK Morse taper shank ISO 296 type BEK Cono Morse ISO 296 tipo BEK Morse taper shank ISO 296 type BEK Cono Morse ISO 296 tipo BEK Morse taper shank ISO 296 type BEK Ranurado en espiral La broca gira, la pieza permanece quieta. P. ej., taladradoras de columna y taladradoras radiales. Se utilizan principalmente los portaherramientas ranurados en espiral. Helical flute Drills rotate, workpiece does not rotate. E.g. vertical or radial drilling machines. The most commonly used holders are with helical flute. Ranurado recto La broca permanece quieta, la pieza gira. P. ej., tornos. Para los materiales de fundición, la versión con ranurado recto es substancialmente mejor, independientemente de si gira la broca o la pieza. Straight flute Drills does not rotate, workpiece rotates. E.g. lathe. For casting materials, the straight flute versions are always better. It does not matter whether the drill or the workpiece rotates. Ranurado en espiral La broca gira, la pieza permanece quieta. P. ej., taladradoras de columna y taladradoras radiales. Se utilizan principalmente los portaherramientas ranurados en espiral. Helical flute Drills rotate, workpiece does not rotate. E.g. vertical or radial drilling machines. The most commonly used holders are with helical flute. Ranurado recto La broca permanece quieta, la pieza gira. P. ej., tornos. Para los materiales de fundición, la versión con ranurado recto es substancialmente mejor, independientemente de si gira la broca o la pieza. Straight flute Drills does not rotate, workpiece rotates. E.g. lathe. For casting materials, the straight flute versions are always better. It does not matter whether the drill or the workpiece rotates. Soluciones especiales Soluciones especiales con brocas macizas y brocas sacanúcleos de acero en polvo hasta un ∅ de 150 mm | ∅ 5.906" Special solutions with powder steel twist drill and annular cutter up to ∅ 150 mm | ∅ 5.906" 10 Index 9 8 OIL 7 MACHINES 6 5 4 3 2 1
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