a contract gear-machining workshop in northern Europe
Dual-Gripper Cobot Cuts CNC Machine-Change Cycle 44%
See how a northern European gear-machining workshop cut CNC machine-change time 44%, from 27 seconds to 15, with a dual-gripper cobot retrofit.
- 44%
- Shorter machine change
- 27 sec
- Single-gripper cycle
- 15 sec
- Dual-gripper cycle
- 12 sec
- Removed every cycle
Based on a documented real-world deployment. Figures are from public reporting; the organization is not named.
Serial handling kept the spindle waiting
A contract gear-machining workshop in northern Europe was already using cobots to load and unload CNC machines. The single gripper loaded a workpiece, waited through machining, removed the finished part, and then collected fresh stock.
That serial exchange worked, but it left avoidable motion in the machine-change sequence. The documented task took 27 seconds, making the gripper exchange a clear target for tighter machine tending.
- Finished and unfinished parts were handled in sequence.
- The cobot spent extra travel exchanging workpieces.
- Production continuity still depended on keeping raw-material magazines supplied.
A retrofit changed the exchange, not the CNC process
The workshop retained its CNC equipment and machine-tending cobots, then replaced the single gripping setup with a dual gripper. Handling two objects at the same time let the cobot combine the unload and reload exchange with less empty travel.
The recorded deployment grew from an existing cobot application rather than a wholesale equipment replacement. Operators loaded magazines with raw material, after which the cell could continue production after they had left the workshop.
The source does not document a formal training curriculum, service plan, or phased rollout schedule. Its evidence is narrower and useful: an end-of-arm retrofit removed a specific bottleneck in an operating CNC cell.
- Observe the existing load, wait, unload, and replenish sequence.
- Identify serial part exchange as the avoidable delay.
- Retrofit dual gripping onto the existing machine-tending arrangement.
- Keep raw-material magazines loaded for production after operators leave.
Twelve seconds came out of every machine change
The dual-gripper cycle finished in 15 seconds, down from 27 seconds with the single gripper. That is 12 seconds removed from each machine change, equivalent to a 44% reduction.
The workshop also gained the ability to keep production running after operators left, provided the magazines had been loaded with raw material. The source further reports parts closer to ideal tolerances, attributing that improvement to steadier, more repetitive operation and reduced environmental variation, but it gives no numeric tolerance result.
The right end effector can be the decisive variable
For US machine shops, the lesson is precise: scrutinize the exchange around the spindle, not only the machining program. A machine tending robot may already be doing the job reliably while its gripper sequence still leaves productive time on the table.
Service Robot Co. is a full-service, OEM-neutral commercial robot integrator for US businesses. We select equipment across manufacturers, then finance, deploy, integrate, train, and service each unit through a nationwide US engineer network, giving customers one vendor across the robot lifecycle.
That model supports collaborative robot arm rental, cobot rental for manufacturing, monthly payment programs, and lease rental or sale structures. Robot deployment and integration, go-live support, and maintenance included under the chosen program remain with the same accountable partner.