183 Каталог SUMITOMO 2015 Режущий инструмент и инструментальная оснастка Стр.181

Каталог SUMITOMO 2015 Инструмент и оснастка Стр. 181 0183 ENG Lab2u

Toolholder Nomenclature T°OLHOLDER Nomenclature R N Neutral Hand 16 Shank Size > B Square Shanks This indicates the A & B dimensions in sixteenths (1/16 ). examples 12 = 12/16 =3/4 sq. 16 = 16/16 =1.0 sq. 20 = 20/16 =1-1/4 sq. Rectangle Shanks The first digit indicates the "A" dimension in eighths (1/8 ). The second digit indicates the "B" dimension in quarters (1/4 examples 86 = A x B 1.0 x 1-1/2 85 = A x B 1.0 x 1-1/4 4 Insert Size For equal sided inserts this indicates the inscribed circle (I.C.) in eighths (1/8 ) examples, 6 = 6/8 = 3/4" I.C. 4 = 4/8 = 1/2" I.C. 2.5 = 2.5/8 = 5/16 I.C. For rectangles and parallelograms two digits are necessary. 1st digit = number of eighths (1/8 ) in width. 2nd digit = number of quarters (1/4 ) in length. D Qualifications IE A = 4.000 ± .003 B = 4.500 ± .003 C = 5.000 ± .003 D = 6.000 ± .003 E = 7.000 ± .003 J = 3.500 ± .003 V = 3.500 ± .003 Sumitomo standard only Master Gage Insert Nose Radius Chart for Qualified Holders