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Overview
Features
Typical Applications
Specifications
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Overview
The ED Series represents a new concept for motion control units, combining cam and motor control technology into a small footprint. This revolutionary concept delivers accuracy and flexible performance in a tightly integrated package. The ED series allows you to program a cam indexer with flexible, stable motion patterns with the same ease of controlling a motor. The package is perfect for benchtop production lines without using excessive drive equipment.
Features
Wide Product Lineup
Available as a stand-alone indexer, or with a choice of factory-mounted stepping motor,
induction motor, or gearmotor.
No Maintenance
Sealed grease lubrication eliminates the need for oil changes.
Cleanroom Options
Options are available for preventing rust and corrosion in harsh operating environments.
Typical Applications
  • Food (meat) processing machines
  • Food filling and wrapping machines
  • Electronic components assembly and inspection machines
  • Various assembly and inspection machines
Specifications
ECO (ED) Series Specifications
Description Symbol Unit ED2.8 ED3.8 (G) ED4.5(G) ED6 (G)
Indexing Stops s   2 to 10 2 to 12 2 to 24 2 to 24
Input Shaft Speed   rpm Max. 200
Cam Curve     SMS-3 Curve (Sankyo’s original motion curve)
Output Allowable Thrust Load P1 N 245 490 1274 1372
Output Allowable Radial Load P2 N 245 490 1372 1392
Output Static Torque Ts N・m Refer to Torque Transfer Table
Output Torsional Rigidity K1 N・m/rad 800 2.9×103 6.08×103 1.37×104
Output Moment of Inertia J0 kg・m2 5×10-5 1.2×10-4 3.45×10-4 8.22×10-4
Output Allowable Bending Moment P3 N・m 3.7 16 33 34.3
Input Allowable Thrust Load P4 N 196 343 833 980
Input Max Repetitious Bending Force P5 N 196 343 1078 1070
Input Max Repetitious Allowable Torque P6 N・m 7.84 24.5 39.2 58.8
Input Torsional Rigidity K2 N・m/rad 3.8×102 1.6×103 2.74×103 4.12×103
Input Moment of Inertia (Note 1) J1 kg・m2 3.75×10-5 1.65×10-4 8.0×10-5 4.75×10-4
Indexing Accuracy (1 Dwell)(Note 2)   sec ±72 ±72 ±60 ±45
Indexing Accuracy (2 Dwell)(Note 2)   sec
-
-
±120 ±90
Repeatability   sec 36 36 30 20
Product Weight (without motor)   kg Approx. 1.25 Approx. 3.6
(7.6)
Approx. 7.2
(11)
Approx. 13
(19)
Housing Treatment     Galvanized nickel-plating
Note 1) Input inertia is calculated in dwell.
Note 2) Ask Sankyo for the indexing accuracy of 3- and 4-dwell cams.
※Figures in ( ) are for the G type.
Description Symbol Unit ED7
(G)
ED8
(G)
ED11
(G)
ME7
(G)
Indexing Stops s   2 to 48 2 to 48 2 to 48 8 to 120
Input Shaft Speed   rpm Max. 200
Cam Curve     SMS-3 Curve (Sankyo’s original motion curve)
Output Allowable Thrust Load P1 N 2156 3234 5488 980
Output Allowable Radial Load P2 N 2940 4116 6860 980
Output Static Torque Ts N・m Refer to Torque Transfer Table
Output Torsional Rigidity K1 N・m/rad 2.84×104 5.29×104 8.82×104 2.0×104
Output Moment of Inertia J0 kg・m2 2.33×10-3 5.60×10-3 1.97×10-2 2×10-3
Output Allowable Bending Moment P3 N・m 63.7 80.8 220 89
Input Allowable Thrust Load P4 N 1470 3430 4704 343
Input Max Repetitious Bending Force P5 N 1078 2548 4067 343
Input Max Repetitious Allowable Torque P6 N・m 93.1 245 392 24.5
Input Torsional Rigidity K2 N・m/rad 8.34×103 1.67×104 2.74×104 1.3×103
Input Moment of Inertia(Note 1) J1 kg・m2 1.5×10-3 2.25×10-3 7.0×10-3 4.5×10-4
Indexing Accuracy (1 Dwell)(Note 2)   sec ±30 ±30 ±30 ±72
Indexing Accuracy (2 Dwell)(Note 2)   sec ±60 ±60 ±60 ±144
Repeatability   sec 15 15 15 36
Product Weight (without motor)   kg Approx. 18
(28)
Approx. 33
(47)
Approx. 61
(96.5)
Approx. 10
(14)
Housing Treatment     Electroless nickel plating
Note 1) Input inertia is calculated in dwell.
Note 2) Ask Sankyo for the indexing accuracy of 3- and 4-dwell cams.
※Figures in ( ) are for the G type.
Options for the ECO (ED) Series
    ED2.8 ED3.8(G) ED4.5 (G) ED6(G)
Reamed holes(W surface)   - -
Input shaft with key-way   - -
Torque limiter installation Flange type 4TF 5TF 6TF 6TF
Coupling type 4TC 5TC 6TC 6TC
Overload detective sensor   (Contact us) (Contact us)
Timing cam+sensor installation   Maximum
of one sets
Maximum
of two sets
Maximum
of two sets
Maximum
of two sets
    ED7(G) ED8(G) ED11 (G) ME7(G)
Reamed holes(W surface)   -
Input shaft with key-way   -
Torque limiter installation Flange type 6, 7TF 7, 8TF 7, 8, 11TF 6TF
Coupling type 6, 7TC 7, 8TC 7, 8, 11TC 6TC
Overload detective sensor   (Contact us)
Timing cam+sensor installation   Maximum
of one sets
Maximum
of two sets
Maximum
of two sets
Maximum
of two sets
Downloads
>> Download the Rated Transfer Torque Capacity Table for rated torque values.
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