B series｜Machine Tool Products

Machine Tool

Large through-hole high-speed power chuck
B series

Stable machining for large work pieces

B series

Universally recognised standard chuck
Through-hole
15” φ117.5, 18” φ117.5
21” φ140.0, 24” φ165.0

*CE correspondence

Download instruction manual (PDF)

Product Specifications

【Important】The max. draw bar pull force and the max. static gripping force in the following specifications are for external diameter gripping.
When used for internal diameter gripping, the draw bar pull force must be less than half of the max. draw bar pull force.

Model		B-15	B-18	B-21	B-24
Through-hole (mm)		117.5	117.5	140	165
Gripping Range (mm)	Max.	381	450	530	610
Gripping Range (mm)	Min.	30	30	87	109
Jaw Stroke (Diameter) (mm)		10.6	10.6	10.6	10.6
Plunger Stroke (mm)		23	23	23	23
Max. Draw Bar Pull Force (kN)		71	71	90	90
Max. Static Gripping Force (kN)		180	180	234	234
Max. Speed (min^-1)		2500	2000	1700	1400
Moment of Inertia (kg･m²)		2.273	4.451	8.95	16.6
Net Weight (kg) (with Soft Top Jaws)		120	164	235	293
Matching Cylinder		F2511H	F2511H	F2511H	F2511H
Matching Soft Jaws Note) Jaw-mounting bolts are not included.		Standard Extra Tall	Standard Extra Tall	Standard Extra Tall	Standard Extra Tall
Maching Hard Jaws Note) Jaw-mounting bolts are not included.		HB15A1	HB15A1	HB18B2	HB18B2
Outline Drawing	PDF
	DXF
	DWG