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Safer Maintenance Access for Industrial Cabinets: A Full-Extension Heavy-Duty Case Study

The B2B challenge: technicians cannot reach the back of the cabinet
An industrial equipment OEM building control cabinets and service carts had a usability and safety problem. Their 3/4-extension slides left the rear of every drawer still buried in the cabinet, so maintenance meant half-unloading a heavy drawer to reach a part. For cabinets holding 20–40 kg of breakers, drives and tools, that was both slow and a manual-handling risk.
Why full extension + high load rating mattered
- Full extension brings the entire drawer clear of the cabinet face — the back corner is reachable.
- High load rating keeps the slide rigid and safe with heavy electrical gear inside.
- Ball-bearing action stays smooth even after years of daily open/close cycles.
The AOLISHENG solution: full-extension heavy-duty series
We specified AOLISHENG full-extension heavy-duty slides sized to the loaded drawer weight:
| Series | Load rating | Type | Lock | Best for |
|---|---|---|---|---|
| A2576 | 500 lb / pair | Heavy-duty, full extension | Optional | Dense cabinets & server-style racks |
| A2071 | 330 lb / pair | Heavy-duty, full extension | Optional | Mid-weight service carts |
| D7625 | 500 lb / pair | Locking, full extension | Yes | Transportable / field cabinets |
For the heaviest enclosures the 7625 twin-slide family scales to roughly 770 lb per pair, covering almost any industrial drawer the OEM builds.
Results the OEM reported
- Mean time to service dropped because technicians reached parts on the first pull, no unloading.
- Ergonomic risk from wrestling heavy half-open drawers was removed.
- A single heavy-duty supplier simplified procurement across cabinet sizes.
Why B2B buyers standardise on this line
Predictable load ratings, a stamped series code for field re-order, and batch pricing let the OEM treat drawer slides as a configured component rather than a custom job. Locking variants (D7625) cover units that ship or move.
Compare all 24 AOLISHENG drawer slide series → | Read the drawer-slide buying guide for OEMs →