Mechanical Specifications

Gear ratios and maximum torque
Gear ratios and max. torque of 2-stage helical gearboxes

Preferred series in bold.

Gear ratios and max. torque of 3-stage helical gearboxes

Preferred series in bold.

Available flange diameters
Frame sizes of type G gearboxes are to DIN Standard 42672.
The mounting positions (see page 12) B5, V1 and V3 are available with the following flange dimensions. Additional flange dimensions available upon request.
















ABM helical geared motors are designed for the machine tool industry. They are capable of heavy-duty continuous operation and extreme stop and go operations. Gearboxes are available in foot and flange design.

Key features of ABM helical geared motors

• High efficiency
• Housings made of high quality die cast aluminum (frame sizes G71 - G132),
  larger sizes in gray cast iron (frame sizes G160 - G250)
• Helical gears, case hardened, ground or scraped
• Quiet operation
• Alloy steel output shaft and gears
• Reinforced support with tapered roller bearings available for G90 and larger
• Gearboxes with two output shaft ends available upon request

Description of ABM gear motor types with brake












Mounting positions of ABM helical geared motors
The picture shows frame sizes G71 up to G315. Note: Gearboxes from G71 up to G132 are not equipped with oil level and drain plugs.






The junction box is shown in position A1 (standard version, if not otherwise specified). Junction box positions B, C or D available upon request. The cable plug can be rotated in 90° increments.

Example of junction box and cable plug position

Horizontal shaft design

Vertical shaft design

Acceptable radial forces Fr [N] and axial forces Fa [N]
Radial forces based on center of short output shaft. Valid for 90° axial forces push or pull in line with output shaft. If simultaneous radial and axial forces are expected, please consult us.

Acceptable radial forces Fr [N] and axial forces Fa [N] with standard bearings

Acceptable radial forces Fr [N] and axial forces Fa [N] with heavy-duty bearings
(available for frame size G90 and larger)