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SL118 High Precision Internal Grinding Machine

Feature

-High-strength cast iron base frame. The critical iron castings are conducted a finite element structural 

analysis. All castings are carried out double aging treatment and vibratory stress relief to ensure the stability of 

machine accuracy.

-Z-axis is designed as flat V guideway, with which axial grinding wheel oscillates, that make the machine 

worn less and extend the lifespan in the processing.

-Centerless type is designed when the concentricity of grinding between the external and the inner bore is in demand. The spindle box is fixed, the angle of which can be adjusted slightly.

-Chuck type is designed when the external and the inner bore are irregular. The workpiece can be both 

manually or automatically loaded and unloaded.

-Optional dynamic monitoring device, an adaptive control system and on-line feedback of grinding realtime state make the grinding process simplified.

-Remote control and maintenance solution via computer communications.

 

Application

It is mainly suitable for the processing of internal bore and outer ring groove of bearing ring (angular 

contact, hub, cone), air-conditioning compressor (cylinder, cylinder head, roller, piston, rotor), steering gear 

(gear, bearing, steering screw), gearbox (gear, sealing ring, solenoid valve seat), engine (retainer seat, 

bushing, roller, piston, nozzle), shock absorber (bearing, bushing, valve seat), hydraulic valve sleeve, CV 

joint cage, ceramic sleeve, automobile hydraulic tappet, etc.


Accuracy

Cylindricity              0.5μm2μm

Roundness              0.5μm2μm

Surface roughness        Ra0.05μm0.4μm

Technical Data

CMK

≥1.67

Workpiece ID(mm)

Φ6Φ100

Workpiece length(mm)

10125

Workpiece OD(mm)

Φ8Φ200

Workpiece center height(mm)

1060

Spindle speed(rpm)

2001500

X-axis travel max.(mm)

120

Z-axis travel max.(mm)

400

Machine dimensions(W×L×H) (mm)

2300×1800×2350

Gross weight of machine(approx.kg)

5200


Shaoxing Songling Machine Tool Co., Ltd.
The company produces first-class fully automatic CNC special high-precision machine tools, with humanized design, reliable quality and excellent service as its tenet, based on domestic and global.

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Technical Services : + 86-0575-86288329

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