BT30 Taper Er Collet Chuck

BT30 Taper Er Collet Chuck

Standard:MAS403/BT
Material:20CrMnTi
-185° long cryogenic treatment
Product description: BT30-ER32-60 Ra<0.15 7:24≤AT3 Hardness:HRC56-60°

Category:

USE:

For clamping tools with cylindrical shank in Collets according to DIN 6499;

Comprehensive inspection way of chuck

#7:24 taper precision ≤AT3And part of the standard size are tested by

standard inspection tools which made in Germany;

#Surface of the clamping inner hole is grinding by high speed inner-aperture grinder. and inspect by standard pneumatic measurement instrument; the big end contact area rate is above 90%;

#Shank thread is inspected with 4h level thread ring gauge. and the nut is inspected with 4H level thread plug gauge, the quality guaranteed;

#Run out of the inside shank Bone: <0.002(The length of the shank 100L)

#Coaxiality 5u:Shank run out≤0.002;

Equip≤0.005. The highest comprehensive run out point is no more than0.005(≤0.005mm collet clamping interchangeable with any integrated shank run out does not exceed the highest accuracy 0.008mm);

#Dynamic balance:We can do G2.5 20000一50000rpm according to clients demands.