G33L Dual-Feed Precision Grinding Machine

Next-Gen Efficiency for Internal & External Grinding Machine

Dual-Feed Advantage: Independent twin-feed system for synchronized high-efficiency machining.

Flexible 3-Axis Layout: Compact X/Z1/Z2 structure with a 0–10° swivel Z2-axis for taper grinding.

High-Power Performance: Built-in high-rigidity motorized spindles; supports up to Ø350mm external wheels.

Ultimate Stability: HT300 cast iron bed with full-cycle liquid cooling for 24/7 thermal precision.

Technical Specifications

MAIN MACHINING PARAMETERS
Worktable Height (Center)	215 mm
CNC Control System	Siemens 828D
AXES & GUIDEWAYS (THK)
X-axis (Stroke / Max. Speed)	600 mm \| 14 m/min
Z1-axis (Stroke / Max. Speed)	400 mm \| 14 m/min
Z2-axis (Stroke / Max. Speed/ Max. Angle)	400 mm \| 14 m/min \| 0 — 10° Adjustable
Linear Scale Resolution	0.0001 mm
SPINDLE SYSTEMS (Motorized)
OD Grinding Spindle	MAX. 6,000 rpm \| 18 kW \| 44.3 N·m
ID Grinding Spindle	MAX. 24,000 rpm \| 11 kW \| 7 N·m
Workhead Spindle (Servo-driven mechanical axis)	0 — 800 rpm \| MT5 Taper
MACHINING CAPABILITY
Roundness Accuracy	≤ 0.001 mm
Surface Finish	≤ Ra 0.4
Longitudinal Consistency	≤ 0.003 mm
CONTROL & SPECIFICATIONS
Dimensions (L×W×H)	2,700 × 2,200 × 1,860 mm
Total Weight	Approx. 6,000 kg

*Deruike Machinery is a subsidiary of the listed company Sufeng Technology. This high-performance series integrates Japanese THK Linear Guides and multi-axis configurations, battle-tested in our own spindle production lines to ensure superior high-speed precision.