Toolholders similar ISO 7388-2
(ex. JIS B 6339 MAS 403 BT)
with Taper-Face [DUAL Contact]

DC-BT

Pre-balanced G 6,3 15.000 min-1
G 2,5 Fine balancing at extra charge

DC-BT

With internal coolant through the collar - form AD/B

DC-BT

Material:
Alloyed case-hardened steel, tensile core strength of min. 800 N?/?mm².
Case hardened HRC 60 ± 2 (HV 700 ± 50), hardening depth 0.8 mm ± 0.2 mm
Form AD/B:
Delivery in form AD, type B closed with releasable headless screws.
Accuracy:
Quality of taper < AT 3 according to DIN 7187 and DIN 2080.


„Dual Contact"-Face tooling used on Taper-Face spindles achieve additional contact between spindle s face and holder s flange (vs. face/flange clearance with conventional steep taper fittings).

Advantages:
- Higher pulling forces (compared to classic spindles) achieve flange contact with pressure, complementary to the taper fitting.
- Higher rigidity particularly profitable to long tooling and machining in difficult materials.
- Higher run-out precision and axial (length) repeatability.

Taper-Face tooling can be used on conventional steep taper spindles but losing the face contact advantages.

Toolholders similar ISO 7388-2 (ex. JIS B 6339 MAS 403 BT) with Taper-Face [DUAL Contact] Pre-balanced G 6,3 15.000 min-1 G 2,5 Fine balancing at extra charge With internal coolant... read more »
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Toolholders similar ISO 7388-2
(ex. JIS B 6339 MAS 403 BT)
with Taper-Face [DUAL Contact]

DC-BT

Pre-balanced G 6,3 15.000 min-1
G 2,5 Fine balancing at extra charge

DC-BT

With internal coolant through the collar - form AD/B

DC-BT

Material:
Alloyed case-hardened steel, tensile core strength of min. 800 N?/?mm².
Case hardened HRC 60 ± 2 (HV 700 ± 50), hardening depth 0.8 mm ± 0.2 mm
Form AD/B:
Delivery in form AD, type B closed with releasable headless screws.
Accuracy:
Quality of taper < AT 3 according to DIN 7187 and DIN 2080.


„Dual Contact"-Face tooling used on Taper-Face spindles achieve additional contact between spindle s face and holder s flange (vs. face/flange clearance with conventional steep taper fittings).

Advantages:
- Higher pulling forces (compared to classic spindles) achieve flange contact with pressure, complementary to the taper fitting.
- Higher rigidity particularly profitable to long tooling and machining in difficult materials.
- Higher run-out precision and axial (length) repeatability.

Taper-Face tooling can be used on conventional steep taper spindles but losing the face contact advantages.

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