Tsudakoma RB-400K Rotary Table with Special Rotary Joint


TSUDAKOMA RB-400K TABLE WITH 6 PORT 7500PSI ROTARY JOINT

(16) OF THESE RB-400K
ROTARY TABLES
HAVE BEEN INSTALLED ON
MAKINO HMC'S FOR A TIER 1
AUTOMOTIVE SUPPLIER

TSUDAKOMA RB-400K WITH 6 PORT HYDRAULIC ROTARY JOINT
(STANDARD TABLE DIMENSIONS LISTED BELOW)

Model		RB-400K
Table diameter		400
Center height		255
Center bore	Nose dia.	190H7
	Thru dia.	151
Table T-slot width		14H7
Guide block width		18h7
Servo motor-Fanuc*-3000rpm		Alpha 12i
Net Weight kg (lbs)		300 (660)
Speed reduction ratio		1/120
Max. table rotation speed with 3000 rpm motor		25
Indexing accuracy (arc sec.)		±7
Repeatability (arc sec.)		±2
Clamp system		Hydraulic or Air-hydraulic (optional)
Clamp torque@ 500psi Nm		4,200 (3,095 ft.lbs.)
Allowable wheel torque Nm		1,666 (1228 ft.lbs.)
Allowable work weight kg (lbs)	Vertical [ ] = tailstock	250 (550) [500 (1,100)]
Allowable load when table clamped	F N (lbf)	39,200 (8,781)
	FxL Nm (ft lbs)	4,200 (13,095)
	FxL Nm (ft lbs)	5,880 (4,334)
*Other motors & rpm available • Dimensions = mm Specification subject to change without notice For table diameters larger than 500mm, please go to the RNCK-631 and RNCV ("K" motor mount) pages.

RB-400K ACCURACIES

Inspection Items • Dimensions = mm			RB-400K
Inspection Items • Dimensions = mm			Std.	Scale
Table top flatness (concave)	OAL	-	0.02	0.01
Table top runout	-	-	0.015	0.01
Parallelism of table top to frame bottom	OAL	Hor.	0.02	0.01
Center bore runout	Spindle nose	-	0.01	0.005
Perpendicularity of table top to frame bottom	OAL	Vert.	0.02	0.01
Perpendicularity of table top to frame bottom guide blocks	OAL	Vert.	0.02	0.01
Indexing accuracy (arc sec.)	-	-	±7	±4
Parallelism of centerline between rotary table and tailstock to frame bottom guide blocks	Per 300mm	Vert.	0.02	0.01
Height difference of both center lines of rotary table and tailstock (Tailstock center line should be higher)	-	Vert.	0.02	0.01