CNC Horizontal Spindle Rotary Grinder SGR Series
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CNC Horizontal Spindle Rotary Grinder SGR Series

All machine parts are analyzed by CFD and FEA; features a high-rigidity hydrostatic rotary table, precision guides and screws with preload, and user-friendly grinding software.
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Features

Machine Introduction

· All machine components, including the main machine base, saddle, column, and spindle housing, have been analyzed using numerical simulation (CFD) and finite element analysis (FEA).

· High-rigidity hydrostatic rotary table with static rigidity ≥ 400 kg/μm, ensuring smooth operation.

· The hydrostatic rotary table drive system is equipped with an accumulator to prevent contact wear caused by power failure or pressure loss.

· The Y and Z axes are equipped with high-precision roller-type linear guides and high-accuracy ball screws, with preload to eliminate backlash; the screw tail end is pre-tensioned to enhance transmission rigidity.

· Specially designed grinding software with rich functions, easy operation, and a user-friendly interface.



Machine Configuration

1. High-Precision Bearing Spindle

CP4 ultra-precision angular contact ball bearings are strictly assembled in a constant temperature and dust-free environment, with runout within 1 μm; supported by a high-rigidity double-wall column and spindle housing; precise preloaded linear guides as the carrier; offering excellent grinding rigidity and accuracy; maintenance-free.

High-Precision Bearing Spindle



2. Hydrostatic Rotary Table

The hydrostatic rotary table features high precision, high rigidity, high vibration resistance, high load capacity, and long service life, ensuring optimal surface accuracy of the workpiece; the table angle can be tilted and adjusted.

Hydrostatic Rotary Table



3. CNC Controller

Specially designed and developed rotary table grinding software with rich functions, easy operation, and a clean, user-friendly interface. The easy-to-use CNC controller, combined with teach-in input, allows effortless programming of machining processes.

CNC Controller



4. Lubrication System

SKF lubrication system is applied to all sliding and rotating parts, providing point-to-point, timed, and measured automatic lubrication for all lubrication points inside the machine. It features oil shortage and pressure loss alarm functions.

Lubrication System



Standard Accessories

Optional Accessories

Electromagnetic Chuck

Vacuum Chuck

Standard Grinding Wheel

Electro-Permanent Magnetic Chuck

Grinding Wheel Flange

Paper Belt Filter Water Tank

Flange Removal Tool

Centrifuge + Settling Filter Water Tank

Balancing Stand / Balancing Rod

Mist Extraction Device

Magnetic Filter Water Tank

Y-Axis Linear Scale

Diamond Dressing Tool and Holder

Foot Pedal Jog Function

Work Light

Online Workpiece Measurement System

Toolbox and Tools

Online Grinding Wheel Balancing System



Technical Specifications

Item

Unit

SGR-400CNC

SGR-600CNC

SGR-800CNC

SGR-1000CNC


Processing Capability

Diameter of Rotary Chuck

mm

φ400

φ600

φ800

φ1000


Load Capacity of Rotary Chuck (Workpiece)

kg

150

250

400

500


Distance from Spindle Center to Chuck Face

mm

420

420

520

500

Rotary Table (Hydrostatic)

Rotary Speed

rpm

20-200

20-150

20-100


Tilting Angle

angle

±3°

±1.5°

Spindle (Bearing Type)

Spindle Diameter

mm

①150


Spindle Speed

rpm

50-2300(OP:20-2500)


Grinding Wheel Size

mm

φ400×φ127×20-60

Grinding Head (Vertical Y-Axis)

Maximum Travel

mm

mm

290

290

390

370


MPG Feed per Graduation


0.001/0.01/0.1


MPG Feed per Revolution

mm

0.1/1/10


Movement Speed

mm/min

0-2000

0-1500

Saddle (Horizontal Z-Axis)

Maximum Travel

mm

300

400

500

600


MPG Feed per Graduation

mm

0.001/0.01/0.1


MPG Feed per Revolution

mm

0.1/1/10


Movement Speed

mm/min

0-2000

0-1500



Motors

Spindle Servo Motor

kw

7.5(OP:11)

11(OP:15)


Rotary Table Motor

kw

4.0

2.2+Gear Reducer

4.0+Gear Reducer


Up and Down Servo Motor

kw

2.9

2.9

1.8+Gear Reducer


Left and Right Servo Motor

kw

0.85

1.8

1.8


Coolant Pump Motor

w

550

Transport and Packaging Dimensions (L×W×H)

mm

4200×2000 ×2700

4500×2000 ×2800

5000×2200×3200

Working Footprint (L×W×H)

mm

3000×2700 ×2500

3200×2800 ×2600

3500×3000×3000

Machine Net Weight / Gross Weight (Approx.)

kg

5500/6000

6500/7000

8000/8500

8700/9200

Maximum Power Required (Excluding Accessories)

KVA

22

22

25

30


Machinable Material

Machinable Material

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+86-13661660678

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Address

No. 128 Yungu Center Jiangbei District, Ningbo, Zhejiang, China

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