TECHNICAL FEATURES KINTEK DIN TOOLHOLDERS
JIS-B 6339 MAS 403/BT SHAPE A-AD/B
All Kintek Toolholders are manufactured according to DIN norm.
NEW HIGH-SPEED BALANCING TOOLHOLDERS The new high-speed toolholders are balanced in the Grade G 2,5 at 25000 rpm.
COLLET CHUCK RUNOUT ACCURACY The norm DIN6391 permits a runout error between external cone and internal cone / collet seat of 0.016. Our production has a runout accuracy which is guaranteed to be within 0,003 / 0,010 m at the tool seat. SHELL END MILL ADAPTOR RUNOUT ACCURACY Our shell end mill adaptors meet the requirements of the norm DIN6358, which prescribes for diameters 16-22-27-32-40 a runout accuracy of: 0, 01 for SK 30/40 0,015 for SK 50. WELDON END MILL HOLDER RUNOUT ACCURACY According to the norm DIN6359-1 Weldon end mill holders have to meet the following requirements: BORE: H5 tolerance RUNOUT ACCURACY: <0.01 (per ISO 40) Our end mill adaptors ensure the prescribed holes’ tolerance and have a runout accuracy which is normally 0.005. BALANCING The major part of toolholders of this category can run up to 8000 rpm grade G 6,3 or 12000 rpm. Besides the descriptive and dimensional table of products, you can find the addictive balancing grade.
CONSTRUCTIVE FEATURES FOR HIGH-SPEED TOOLHOLDERS • Manufactured with casehardening Steel. • Casehardened with depth 0,6 - 0,8 mm • Hardened-Tempered • Hardness HRC 58+-2, Strength 800-1000 N/mm 2 • Black oxided • Internal and external grinding finish of the cone • Grinding finish on the front side and on the thread of collet nuts. • Tested 100% with certified measuring instruments and supplied with balancing certificate
CONE TOLERANCE According to the class AT3
L
ISO
CONSTRUCTIVE FEATURES • Manufactured with Casehardening Steel. • Casehardened with depth 0,6 - 0,8 mm • Hardened-Tempered • Hardness HRC 58+-2, Strength 800-1000 N/mm 2 • Black oxided • Internal and external grinding finished.
ISO
L
dA-dB
AT3
30 40 50
42 59 92
12.250 17.208 26.833
+0.002 +0.003 +0.004
BT CHUCKS JIS-B 6339
116
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