Description
Unboxing & Hardware Overview
- Manufacturer & Architecture: ABB (Robotics Division — Industrial Articulated Robot Spare Parts)
- Part Number / Model: 3HAC037639-002 (Catalog Designation: Axis 6 Reducer / Mechanical Gearbox Assembly)
- Product Type: Precision Harmonic / Planetary Gear Reducer Assembly for ABB IRB 7600 Industrial Robots
- Physical Dimensions: Heavy-duty precision-machined mechanical transmission housing designed specifically for the wrist/axis 6 configuration of heavy-payload robots
- Estimated Shipping Weight: ~25 to 40 lbs (11 to 18 kg) enclosed in custom industrial wooden crating or high-density foam cushioning with anti-corrosion protection
- Primary Condition Status: Factory New / New Surplus / Certified Remanufactured options available (verify specific robot arm revision and serial compatibility tier with your provider prior to dispatch)
Product Introduction
The ABB 3HAC037639-002 is a genuine OEM precision gearbox assembly engineered specifically for Axis 6 of the heavy-duty ABB IRB 7600 industrial robot series. Axis 6 controls the tool center point (TCP) rotation/wrist roll orientation.
Because industrial robots operating in high-payload environments (such as spot welding, heavy material handling, casting, and palletizing) subject their wrist axes to extreme deceleration forces, dynamic loads, and repetitive torsional stress, high-precision gearboxes like the 3HAC037639-002 are essential to maintain backlash-free motion control, repeatability, and structural trajectory accuracy.
Core Technical Specifications
| Parameter | Value |
| Product Model | 3HAC037639-002 (Axis 6 Gearbox / Reducer) |
| Robot Family Compatibility | ABB IRB 7600 Heavy-Payload Industrial Robots |
| Target Axis | Axis 6 (Wrist Rotation / Tool Flange Axis) |
| Transmission Type | High-precision industrial mechanical reducer (Harmonic/planetary gear assembly) |
| Material Construction | High-tensile forged industrial alloy steel, case-hardened gears, and precision housing |
| Operating Temperature | +10°C to +50°C (standard industrial factory floor operational range) |
| Storage Requirements | Clean, dry indoor climate-controlled storage with specialized gear-oil preservation |
Compliance & Standards Alignment
- Manufactured in strict compliance with ABB Robotics original equipment manufacturer (OEM) material standards, metallurgical specifications, and ISO quality guidelines.
- Designed to handle maximum rated torque, moment loads, and high dynamic acceleration profiles specified for the IRB 7600 product family.
Technical Note: Replacing an axis gearbox on an industrial robot requires specialized mechanical tools, precise torque sequences, and subsequent mastering/calibration of the robot axes using the ABB RobotStudio or FlexPendant calibration routine (e.g., SMB memory updating and mastering data re-entry).
Storage & Asset Preservation Guidelines
- Store the gearbox in its original crating or a clean, sealed indoor environment to protect precision-machined mating surfaces, mounting flanges, and output shafts from moisture, dust, and rust.
- Keep internal factory lubrication stable by maintaining moderate storage temperatures and avoiding prolonged exposure to extreme thermal fluctuations.
- Avoid heavy impacts, dropping, or resting the assembly on its output shaft or flange faces to prevent bearing and gear tooth micro-fractures.
Physical Installation Prerequisites
- Ensure that the robot controller is completely powered down, locked out, and tagged out (LOTO) before performing any mechanical maintenance or axis teardown.
- Support the robot arm structure securely using appropriate rigging or tooling to prevent unintended gravitational drops of the upper arm and wrist during disassembly.
- Clean all mounting interfaces thoroughly, and apply the correct grade of industrial grease or sealant as mandated in the ABB IRB 7600 mechanical service manual.
Buyer’s FAQ & Logistics
Q: What Harmonized System (HS) code applies to this robot gearbox?
A: Industrial robot parts, mechanical arms, and transmission gear assemblies typically classify under HS code 8479.90 (Parts of machines and mechanical appliances) or 8483.40 (Gears and gearing). Confirm final values with your customs broker.
Q: Does part 3HAC037639-002 require any pre-lubrication before installation?
A: Genuine OEM ABB gearboxes generally arrive pre-lubricated from the factory with the correct grade of high-performance synthetic grease or oil. Verify service manual notes before adding any external lubricants.
Q: Is the listed online price final for procurement?
A: Note: Price is subject to core exchange programs, market availability, and global logistics status; contact our technical sales desk for a formal, time-sensitive quotation.
