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We Make Ultra-Precision Equipment for Higher Efficiency in Optics & Semiconductors Manufacturing

CNC High-Precision Rotary Surface Grinder (JRYT-40/60/80)

I. Overview & Key Features

1.High-Precision Rotary Surface Grinding Architecture
The machine features a precision structural design integrating a reciprocating grinding head on the column with linear saddle feed. This robust mechanical layout is engineered for high-stability surface grinding, ensuring exceptional geometric accuracy under heavy-load operations superb.
Core Value:
Superior grinding flatness
Machining stability
Excellent surface consistency

2.Core Power: High-Rigidity Hydrostatic Spindle
The grinding head is equipped with a proprietary high-rigidity hydrostatic spindle system, offering extreme rotational accuracy and vibration resistance. Driven by a VFD, the spindle reaches up to 2000 rpm, allowing real-time optimization of torque and cutting speed for various materials.
Compatibility: Supports high-speed CBN or Diamond wheels (≥45m/s).
Advantage: Dimensional precision and sub-micron surface finish are improved significantly.

3.Precision Rotary Electromagnetic Worktable
The electromagnetic worktable incorporates a precision centering bearing and high-rigidity thrust support, ensuring minimal face runout across the speed range of 0–250 rpm. The high-torque motor combined with a multi-ribbed belt drive delivers constant power and smooth rotation.

4.Intelligent CNC & 2-Spindles Simultaneous Control
Powered by an industrial-grade CNC system, the machine supports 2-Spindles simultaneous motion control. Operators can pre-program fully automated grinding cycles, reducing dependency on manual skill and ensuring standardized production.

5.High-Performance Electromagnetic Chuck System
The chuck features a copper-core coil and solid copper-face design for uniform magnetic distribution. The integrated auto-demagnetization and power-loss protection eliminate residual magnetism and ensure operational safety.

Ⅱ Configurations and Component Selection

1.Equipped with 710DG CNC servo control system, featuring comprehensive functionality and user-friendly operation; includes a standard RS-232 communication interface, a network card data acquisition interface, and associated software.

2.Machine Tool Color and Markings: The primary exterior color scheme of the machine tool consists of a combination of white and blue.


Technical Specifications
Machine Sub-system Configuration
NO.Sub-systemsJRYT-40JRYT-60JRYT-80
1CNC System710DG Servo CNC System
2Spindle SystemHigh-precision hydrostatic/hydrodynamic spindle
3Spindle Motor7.5 kW high-precision motor (stepless VFD control)11 kW motor with inverter, continuous variable speed
4Table Rotation SystemHigh-precision planar rotary bearing system
5Table Motor2.2 kW high-precision motor (stepless VFD control)
6Z-Axis Feed SystemBall screw pair + 10 N.m servo motor
7X-Axis Motion SystemBall screw pair + 10 N.m servo motor
Model Specification Parameters
ItemUnitJRYT-40JRYT-60JRYT-80
Workbench Specifications
Table DiametermmΦ400Φ600Φ800
Rotary Motor PowerKW2.22.22.2
Max Rotation SpeedRPM250250250
Speed Regulation/Stepless VFD control
Rotary Motor Type/High-Precision Rotary Motor
Max Load CapacityKG150200200
Workbench Flatnessmm0.005≤0.005≤0.005
Workbench Face Runoutmm≤0.003≤0.003≤0.003
Spindle
Maximal Spindle SpeedRPM200020002000
Spindle Motor PowerKW7.57.511
Spindle Motor Type/High-precision rotary motor
Speed Regulation/Stepless VFD control
Spindle Chuck Taper/Self-produced(Custom)
Spindle End Runoutmm0.0020.0020.002
Z-Axis Feed System
Z-Axis Motor TorqueN.M101010
Z-Axis Motor Type/High-precision servo motor
Z-Axis Feed Adjustment/CNC system parameter adjustment
Z-Axis Feed Accuracymm0.0010.0010.001
Other Parameters
Max Grinding Heightmm120120180
Grinding Wheel SizemmΦ400*Φ127*40Φ400*Φ127*40Φ400*Φ127*40


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Machine Sub-system Configuration
NO.Sub-systemsJRYT-40JRYT-60JRYT-80
1CNC System710DG Servo CNC System
2Spindle SystemHigh-precision hydrostatic/hydrodynamic spindle
3Spindle Motor7.5 kW high-precision motor (stepless VFD control)11 kW motor with inverter, continuous variable speed
4Table Rotation SystemHigh-precision planar rotary bearing system
5Table Motor2.2 kW high-precision motor (stepless VFD control)
6Z-Axis Feed SystemBall screw pair + 10 N.m servo motor
7X-Axis Motion SystemBall screw pair + 10 N.m servo motor
Model Specification Parameters
ItemUnitJRYT-40JRYT-60JRYT-80
Workbench Specifications
Table DiametermmΦ400Φ600Φ800
Rotary Motor PowerKW2.22.22.2
Max Rotation SpeedRPM250250250
Speed Regulation/Stepless VFD control
Rotary Motor Type/High-Precision Rotary Motor
Max Load CapacityKG150200200
Workbench Flatnessmm0.005≤0.005≤0.005
Workbench Face Runoutmm≤0.003≤0.003≤0.003
Spindle
Maximal Spindle SpeedRPM200020002000
Spindle Motor PowerKW7.57.511
Spindle Motor Type/High-precision rotary motor
Speed Regulation/Stepless VFD control
Spindle Chuck Taper/Self-produced(Custom)
Spindle End Runoutmm0.0020.0020.002
Z-Axis Feed System
Z-Axis Motor TorqueN.M101010
Z-Axis Motor Type/High-precision servo motor
Z-Axis Feed Adjustment/CNC system parameter adjustment
Z-Axis Feed Accuracymm0.0010.0010.001
Other Parameters
Max Grinding Heightmm120120180
Grinding Wheel SizemmΦ400*Φ127*40Φ400*Φ127*40Φ400*Φ127*40


Ji Rui Technology (Guangxi) Co., Ltd.
Ji Rui Technology is a high-tech enterprise specializing in high-end intelligent equipment for precision optics and semiconductors, providing one-stop full-chain process solutions integrating R&D, manufacturing, and global supply.
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