2] load attachment – IAI America ERC3 User Manual

Page 87

Advertising
background image

Chapter 2 Installation

2.3 How to Install

77

[2] Load Attachment

• There is a restriction on the moment and load overhang length when attaching a load to the

slider.



Allowable load moment and overhang load length

Allowable Static Load

Moment [N•m]

Allowable Dynamic Load

Moment

(Note 1)

[N•m]

Actuator

Type

Ma

Mb

Mc

Ma

Mb

Mc

Allowable Overhung Load

Length L [mm]

SA5C

29.4

42

60.5

7.1

10.2

14.7

Ma direction: 150

Mb or Mc direction: 150

SA7C

70

100

159.5

15

21.4

34.1

Ma direction: 150

Mb or Mc direction: 150

Note 1 Provided under assumption that the operation life is 5,000km.

Mb direction

Direction of allowable overhang

Direction of moment

Ma direction

L

Mb or Mc direction

L

Mc direction

Ma direction

Load

Load

Load

Load






For the calculation of Ma and Mc moments, consider the position indicated with an arrow as the

datum point.


















Caution: An operation beyond the allowable moment and overhang load length would not only

generate abnormal noise and vibration, but also may shorten the life of actuator

extremely.

ERC3-SA5C

ERC3-SA7C

Advertising