Open the correct access path
Follow the robot-specific wrist or upper-arm access sequence instead of forcing removal through an adjacent cover.
ABBIRB 140 AND IRB 1600/1660 MOTORSTechnical product record
ABB 3HAC021758-001 / 3HAC021800-003 Robot Wrist-Axis Motor Assemblies
01
Item Overview
ABB 3HAC021758-001 is a rotational AC motor with pinion used for axes 5 and 6 on the IRB 140, while ABB 3HAC021800-003 is an axis-6 rotational AC motor with pinion used in the IRB 1600/1660 service context. Both are wrist-axis motors but belong to different robot families.
The ABB 3HAC021758-001 installation works with the IRB 140 timing-belt and pulley arrangement for axes 5–6. ABB 3HAC021800-003 is installed inside the upper-arm housing and uses the documented R3.FB6 and R3.MP6 connector path with three motor attachment screws.
Correct selection of ABB 3HAC021758-001 or ABB 3HAC021800-003 requires the robot family, axis, installed motor article and surrounding transmission record. Connector position and mechanical access differ, so the two motors are not interchangeable.
02
Product Data Sheet
| Technical item | 3HAC021758-001 | 3HAC021800-003 |
|---|---|---|
| Brand | ABB | |
| Product name | Rotational AC motor with pinion | |
| Country | Switzerland | |
| Applicable robot | IRB 140 | IRB 1600 / IRB 1660 |
| Axis assignment | Axes 5 and 6 | Axis 6 |
| Installation location | Wrist motor/timing-belt assembly | Inside upper-arm housing |
| Documented connectors | Robot-specific motor, brake and feedback path | R3.FB6 and R3.MP6 |
| Attachment detail | Motor console and timing-belt hardware | Three motor attachment screws |
| Transmission relationship | Timing belt and pulley | Upper-arm wrist transmission |
| Selection basis | Robot family, axis and installed article | |
| Commissioning | Direction, brake, feedback and mastering check | |
03
Installation Highlights
Installation Highlights for the exact ABB records
ABB 3HAC021758-001 and ABB 3HAC021800-003 need wrist-axis support, protected transmission interfaces and exact connector control during replacement.
Preserve transmission geometry
For 3HAC021758-001, record timing-belt and pulley relationships; for 3HAC021800-003, protect the upper-arm motor interface.
Reconnect by designation
Return motor, brake and feedback connectors to the documented axis path and complete the mastering check only after mechanical inspection.
04
Diagnostics and Protection
Model-specific service context
3HAC021758-001 / 3HAC021800-003
ABB 3HAC021758-001 and ABB 3HAC021800-003 faults must be separated from brakes, feedback, belts and downstream wrist transmission before a motor is replaced.
Separate motor from transmission drag
Check whether resistance comes from the motor, timing belt, pulley, wrist transmission or supported axis.
Trace feedback and brake evidence
Use controller events and connector checks to distinguish feedback loss, brake issues and power-path faults.
Protect the rebuilt wrist
Set belt tension or mechanical engagement as documented, reinstall covers and verify motion at low speed before production.
05
Practical Questions
Q01
What robot uses ABB 3HAC021758-001?
A
ABB 3HAC021758-001 is a rotational AC motor with pinion for axes 5 and 6 on the IRB 140, including documented standard, clean-room and foundry contexts.
Q02
Where is ABB 3HAC021800-003 installed?
A
ABB 3HAC021800-003 is the axis-6 motor inside the upper-arm housing of the IRB 1600/1660 service context.
Q03
Which connectors are documented for ABB 3HAC021800-003?
A
The ABB 3HAC021800-003 procedure identifies R3.FB6 and R3.MP6 for the axis-6 feedback and motor path.
Q04
Why should the timing belt be inspected with ABB 3HAC021758-001?
A
ABB 3HAC021758-001 works in the IRB 140 axes 5–6 timing-belt arrangement, so belt and pulley condition can imitate a motor fault.
Q05
Can ABB 3HAC021758-001 replace ABB 3HAC021800-003?
A
No interchangeability is established between ABB 3HAC021758-001 and ABB 3HAC021800-003; they belong to different robots and installation paths.
Q06
Which details make an ABB 3HAC021758-001 or ABB 3HAC021800-003 enquiry precise?
A
Provide ABB 3HAC021758-001 or ABB 3HAC021800-003, robot model, axis, installed label, quantity and destination.
06
Obsolete Parts Support
Moore Automation
https://www.mvme.cn/Moore Automation accepts enquiries for current and legacy industrial automation articles when the complete reference can be identified. Available records can accompany review without implying a guaranteed successor or inventory position.
Legacy identityOriginal article strings stay explicit.
Installed contextRobot and axis details can follow.
Record searchAvailable documents can be coordinated.
Careful wordingNo unverified replacement claim is added.
07
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08
Quotation Request
Moore Automation
Send the complete model and requested quantity.
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