Fadal - Turret Spindle - ATC-0027

Fadal Geneva ATC Turret Spindle — ATC-0027

The ATC-0027 is the turret spindle shaft at the center of the Fadal Geneva-drive automatic tool changer. It carries the tool carrier plate (ATC-0009), supports the full tool load through every M6 index cycle, and runs on needle and thrust bearings that take constant wear in high-cycle environments.

When this shaft binds, wears, or fails, the turret stops indexing and the machine is down until it's replaced.

Compatibility

Fits Fadal VMC models with the Geneva-drive ATC carousel, including:

• VMC 4020 / 4020A
• VMC 4525
• VMC 5020A
• VMC 6030
• VMC 3016 / 3020

Confirm your ATC type before ordering — Geneva-drive machines use this shaft; DATC24 dual-arm machines use a different assembly.

Related ATC Components

The turret spindle works in assembly with:

• ATC-0009 — Tool Carrier (attaches to the bottom of this shaft)
• ATC-0028 — Tool Retention Ring, CAT tooling
• ATC-0029 — Tool Retention Ring, BT tooling
• BRG-0011 — Turret spindle bearing (needle / thrust)
• BRG-0033 — Turret spindle thrust bearing

If the shaft is worn, inspect the bearings before reassembly. A seized lower bearing is a common root cause of turret bind and is often missed on the first diagnosis.

Common Failure Indicators

• Turret rotation stiff or requiring manual assist to index
• ATC fault codes on turret position sensor
• Audible bind or drag during M6 tool change cycles
• Carousel plate not seating cleanly at position

Part Details