MELSERVO-J4

Rotary Servo Motors

HG-KR Series Geared Servo Motor Special Shaft End Specifications Standard HG-KR_(B)G1 (with gear reducer for general industrial machines) has a straight shaft. Key shaft (with key) is also available as a special specification. Contact your local sales office for more details. Standard HG-KR_(B)G7 (with shaft-output type gear reducer for high precision applications, flange mounting) has a straight shaft. HG-KR_(B)G7K is also available for key shaft motor (with key). Refer to the following for the shaft-end shape.

Key shaft (with key) (Note 1, 2, 3) Model Reduction ratio (Note 4) S Q

Variable dimensions

W

QK U

T 4

Y

1/5 (40 × 40) 1/5 (60 × 60)

M3 screw Depth: 6 M4 screw Depth: 8 M3 screw Depth: 6

10 20 4 15

2.5

16 28 5 25 3 5

1/9

10 20 4 15

2.5

4

HG-KR053(B)G7K

1/11 1/21 1/33 1/45

M4 screw Depth: 8

16 28 5 25 3 5

Q

1/5 (40 × 40) 1/5 (60 × 60)

M3 screw Depth: 6 M4 screw Depth: 8

U

10 20 4 15

2.5

4

QK

W

16 28 5 25 3 5

HG-KR13(B)G7K

1/11 1/21 1/33 1/45 1/11 1/21 1/33 1/45 1/5 1/11 1/21 1/33 1/45 1/11 1/21 1/33 1/45 1/5 1/5

øSh7

T

Y

25 42 8 36 4

7 M6 screw Depth: 12

M4 screw Depth: 8

16 28 5 25 3 5

[Unit: mm]

HG-KR23(B)G7K

25 42 8 36 4

7 M6 screw Depth: 12

M4 screw Depth: 8

16 28 5 25 3 5

25 42 8 36 4

7 M6 screw Depth: 12

HG-KR43(B)G7K

M10 screw Depth: 20

40 82 12

70

5 8

25 42 8 36 4

7 M6 screw Depth: 12

HG-KR73(B)G7K

M10 screw Depth: 20

40 82 12

70

5 8

Notes: 1. The servo motors with special shaft end are not suitable for frequent start/stop applications. 2. A single pointed key is attached. 3. The dimensions not mentioned in the drawings are the same as those of the straight shaft. Refer to HG-KR_(B)G7 dimensions in this catalog. 4. The values in brackets represent the dimensions of flange.

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