Tsudakoma Rotary Tables and Indexers

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Tsudakoma Rotary Tables

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RC SERIES
ROTARY TABLES

Tsudakoma RC Series Specialty Rotary Tables  

RC SERIES
RH SERIES • RU SERIES
RT-147 MULTI-FACE TABLE
RT-244 INTEGRATED TABLE
TSU SUPPORT SPINDLES


Tsudakoma RC Series Rotary Tables are available for horizontal mounting only,
and are used mainly for processing workpieces or jigs.  RC series rotary tables may also
 be used in combination with TSU Series Support Spindles for integration with specialized
 machine tools and flexible transfer lines.  Robust castings and components allow for
 heavy duty machining capabilities.  Standard features include a rotary joint unit with
 8 ports for hydraulic or pneumatic pressure, and one port for coolant. 
  Contact Koma with your custom rotary table requirements.

RC-250 • 300 • 400 • 500 SPECIFICATIONS

Model RC-250 RC-300 RC-400 RC-500
Table diameter 250 320 400 500
Table height 230 250 260 270
Servo motor - Fanuc*           (rpm) Alpha 8i (3000) Alpha 12i (3000) Alpha 22i (3000) Alpha 22i (3000)
Net Weight                        kg (lbs) 130 (286) 200 (440) 290 (638) 390 (858)
Speed reduction ratio 1/36 1/45 1/45 1/90
Max. table rotation speed
with 3000 rpm motor
83.3 66.7 66.7 33.3
Indexing accuracy          (arc sec.) ±12.5
Repeatability                 (arc sec.) ±2
Clamp system Hydraulic
Clamp torque@500psi           Nm 540 (398 ft.lbs) 900 (663 ft.lbs) 1,900 (1,400 ft.lbs) 3,400 (2,506 ft.lbs)
Allowable wheel torque         Nm 660 (486 ft.lbs) 966(712 ft.lbs) 1,535 (1,131 ft.lbs) 2,815 (2,075 ft.lbs)
Allowable
work weight
    kg (lbs)
Hor. 300
(660)
450
(990)
650
(1,430)
650
(1,430)
Allowable
load when
table
clamped
F
N (lbf)
19,600
(4,390)
29,400
(6,586)
39,200
(8,781)
39,200
(8,781)
FxL
Nm
(ft lbs)
540
(398)
900
(663)
1,900
(1,400)
3,400
(2,506)
FxL
Nm
(ft lbs)
931
(686)
2,000
(1,474)
4,000
(2,948)
4,000
(2,948)

  *Other motors & rpm available • specification subject to change without notice • Dimensions = mm

RC-250 • 300 • 400 • 500 DIMENSIONS

RC-250 • 300 • 400 • 500 ACCURACIES

Inspection Items • Dimensions = mm

RC-250 • 300 • 400 • 500
Table top flatness   (0.01 convex permissible) OAL 0.03
Table top runout - 0.02
Parallelism of table top to frame bottom OAL 0.03
Center bore runout Spindle nose 0.02
Indexing accuracy      (arc sec.) - ±12.5
         

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Koma Precision, Inc. • 20 Thompson Road, East Windsor, CT 06088
1-800-249-KOMA (5662) Fax: 860-623-4132 • E-Mail: info@komaprecision.com

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