Mechanicals
Grob G550T
About the GROB G550T
The GROB G550T is a 5-axis universal machining centre engineered for high-precision simultaneous 5-axis machining of complex components in aluminium, titanium, steel, and composite materials. It is widely used in aerospace, automotive, and medical device manufacturing where dimensional accuracy and surface finish are non-negotiable.
Key Specifications
The G550T features a work envelope of 550×630×500mm (X×Y×Z), a direct-drive motor spindle with up to 17,500 rpm, and HSK-A63 toolholder. The B-axis offers ±110° swivel, and the C-axis rotates 360° continuously — enabling full 5-sided machining in a single setup. Positional accuracy is ±0.004mm, with repeatability of ±0.002mm.
Performance in Production
GROB machines are benchmarked among the stiffest 5-axis machining centres in their class. The twin-table version significantly reduces non-productive time in high-volume environments. Integration with GROB-NET4Industry provides real-time machine monitoring, predictive maintenance alerts, and OEE tracking.
Who Buys the GROB G550T?
Tier-1 aerospace suppliers, precision automotive component manufacturers, and contract manufacturers serving the defence and medical sectors. GROB is the preferred supplier of several major European OEMs for their most demanding machining applications.
Compare & Request Quotes
Use our comparison tool to evaluate the G550T against the DMG MORI DMU 50, Hermle C 400, or Makino a51nx. Request quotes from verified GROB distributors using our RFQ system.
Specifications shown are indicative. Always verify with the manufacturer or a verified supplier before making purchasing decisions. Mechanicals.xyz is an independent comparison platform and is not affiliated with Grob.
General
| Brand | Grob |
|---|---|
| Model | G550T |
| Category | CNC Machines |
| Year Introduced | 2023 |
| Country of Origin | United States |
Commercial
| Price Type | Price on Request |
|---|---|
| Overall Rating | 9.7 / 10 |
Machining
| Number of Axes | 3 |
|---|---|
| Spindle Speed (max) | 15,000 RPM |
| Spindle Power | 37 kW (50 HP) |
| Tool Magazine Capacity | 60 tools |
| Rapid Traverse Rate | 60 m/min |
| Positioning Accuracy | ±0.002 mm |
| CNC Controller | FANUC / Siemens / Heidenhain |
Physical
| Coolant System | Through-spindle coolant + flood coolant |
|---|---|
| Power Supply | 380–480 V, 3-phase, 50/60 Hz |
Estimate the 5-year total cost of owning this machine including energy and maintenance costs.
Outstanding precision from the G550T
We have been running the Grob G550T in our facility for over 12 months. The machine consistently holds tolerances of ±0.003 mm on our aerospace aluminium components, which was our primary requirement. Cycle times are approximately 18% faster than our previous machine on identical programs. The controller is responsive and our operators were productive after just one week of training. Overall an excellent investment that has measurably improved our throughput and scrap rates.
12-month update: G550T performance review
Updating our review after a full year of production use. The G550T continues to impress. We have run over 4,000 spindle hours with zero unplanned downtime. Preventive maintenance is straightforward and the service engineer response time has been excellent. We recently added a second unit — a strong endorsement of the platform.
Outstanding precision from the G550T
We have been running the Grob G550T in our facility for over 12 months. The machine consistently holds tolerances of ±0.003 mm on our aerospace aluminium components, which was our primary requirement. Cycle times are approximately 18% faster than our previous machine on identical programs. The controller is responsive and our operators were productive after just one week of training. Overall an excellent investment that has measurably improved our throughput and scrap rates.
12-month update: G550T performance review
Updating our review after a full year of production use. The G550T continues to impress. We have run over 4,000 spindle hours with zero unplanned downtime. Preventive maintenance is straightforward and the service engineer response time has been excellent. We recently added a second unit — a strong endorsement of the platform.
Outstanding precision from the G550T
We have been running the Grob G550T in our facility for over 12 months. The machine consistently holds tolerances of ±0.003 mm on our aerospace aluminium components, which was our primary requirement. Cycle times are approximately 18% faster than our previous machine on identical programs. The controller is responsive and our operators were productive after just one week of training. Overall an excellent investment that has measurably improved our throughput and scrap rates.
12-month update: G550T performance review
Updating our review after a full year of production use. The G550T continues to impress. We have run over 4,000 spindle hours with zero unplanned downtime. Preventive maintenance is straightforward and the service engineer response time has been excellent. We recently added a second unit — a strong endorsement of the platform.