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Spring-end grinding machines Series WNM by WNJ

Spring-end grinding machines Series WNM by WNJ include models WNM12, WNM12-2, WNM2.5, WNM6, WNM9, WNM9-2—reliable and high-precision equipment engineered to efficiently handle both small-batch and mass production tasks. All models share a modern control system, robust construction, and a high degree of automation, while differing in specifications, configuration, peripherals, and optional equipment.

Use the table below to quickly compare key specifications and select the machine that best fits your production requirements.

WNJ WNM

CNC Spring-end grinding machine WNM12

Model: WNM12

Price on Request

More Details

Specifications

Basic feauturies

Control CNC

Spring feeding method Downfeed

Capability

Spring diameter 20mm — 120mm

Wire diameter 3mm — 12mm

Spring lenght 20mm — 500mm

Working area

Number of trays 1pcs / 740mm

Quantity of grinding wheels 2pcs

Grinding wheel size 660mm x 170mm x 100mm

Grinding wheel rotation speed 965rpm

Engines and power supply

Total motor power 31kW

Lower Compensation Motor 0.37kW

Upper compensating motor power 2kW

Grinding motors power 11kW / 11kW

Motor power of tray rotating 3kW

Voltage 380V / 50Hz

Change Plate Motor -

Feed motor power -

Overall dimensions and weight

Weight 8400kg

Overall length 2600mm

Overall width 2400mm

Overall height 3200mm

WNJ WNM

CNC Spring-end grinding machine WNM12-2

Model: WNM12-2

Price on Request

More Details

Specifications

Basic feauturies

Control CNC

Spring feeding method Downfeed

Capability

Spring diameter 20mm — 120mm

Wire diameter 3mm — 12mm

Spring lenght 20mm — 400mm

Working area

Number of trays 2pcs / 740mm

Quantity of grinding wheels 2pcs

Grinding wheel size 660mm x 170mm x 100mm

Grinding wheel rotation speed 950rpm

Engines and power supply

Total motor power 36kW

Lower Compensation Motor 0.37kW

Upper compensating motor power 0.25kW

Grinding motors power 11kW / 11kW

Motor power of tray rotating 3kW х 2pcs

Voltage 380V / 50Hz

Change Plate Motor 2.2kW

Feed motor power -

Overall dimensions and weight

Weight 8600kg

Overall length 2600mm

Overall width 3200mm

Overall height 3300mm

WNJ WNM

CNC Spring-end grinding machine WNM2.5

Model: WNM2.5

Price on Request

More Details

Specifications

Basic feauturies

Control CNC

Spring feeding method Downfeed

Capability

Spring diameter 5mm — 40mm

Wire diameter 0.3mm — 2.5mm

Spring lenght 8mm — 80mm

Working area

Number of trays 1pcs

Quantity of grinding wheels 2pcs

Grinding wheel size 220mm x 50mm

Grinding wheel rotation speed 2840rpm

Engines and power supply

Total motor power 4kW

Lower Compensation Motor 0.18kW

Upper compensating motor power -

Grinding motors power 1.5kW / 1.5kW

Motor power of tray rotating 0.2kW

Voltage 380V / 50Hz / Three phase / AC

Change Plate Motor -

Feed motor power 0.18kW

Overall dimensions and weight

Weight 1360kg

Overall length 1300mm

Overall width 1550mm

Overall height 1900mm

WNJ WNM

CNC Spring-end grinding machine WNM6

Model: WNM6

Price on Request

More Details

Specifications

Basic feauturies

Control CNC

Spring feeding method Downfeed

Capability

Spring diameter 5mm — 60mm

Wire diameter 0.8mm — 6mm

Spring lenght 10mm — 200mm

Working area

Number of trays 1pcs

Quantity of grinding wheels 2pcs

Grinding wheel size 400mm x 55mm

Grinding wheel rotation speed 1440rpm

Engines and power supply

Total motor power 10kW

Lower Compensation Motor 0.37kW

Upper compensating motor power 1kW

Grinding motors power 3kW / 3kW

Motor power of tray rotating 1.5kW

Voltage 380V / 50Hz

Change Plate Motor -

Feed motor power -

Overall dimensions and weight

Weight 2180kg

Overall length 1700mm

Overall width 1450mm

Overall height 2300mm

WNJ WNM

CNC Spring-end grinding machine WNM9

Model: WNM9

Price on Request

More Details

Specifications

Basic feauturies

Control CNC

Spring feeding method Downfeed

Capability

Spring diameter 10mm — 100mm

Wire diameter 1mm — 9mm

Spring lenght 10mm — 400mm

Working area

Number of trays 1pcs / 740mm

Quantity of grinding wheels 2pcs

Grinding wheel size 450mm x 65mm

Grinding wheel rotation speed 1465rpm

Engines and power supply

Total motor power 20kW

Lower Compensation Motor 0.18kW

Upper compensating motor power 1kW

Grinding motors power 7.5kW / 7.5kW

Motor power of tray rotating 1.5kW

Voltage 380V / 50Hz

Change Plate Motor -

Feed motor power -

Overall dimensions and weight

Weight 3300kg

Overall length 2100mm

Overall width 1900mm

Overall height 2750mm

WNJ WNM

CNC Spring-end grinding machine WNM9-2

Model: WNM9-2

Price on Request

More Details

Specifications

Basic feauturies

Control CNC

Spring feeding method Downfeed

Capability

Spring diameter 10mm — 60mm

Wire diameter 1mm — 9mm

Spring lenght 10mm — 400mm

Working area

Number of trays 2pcs / 580mm

Quantity of grinding wheels 2pcs

Grinding wheel size 450mm x 80mm x 65mm

Grinding wheel rotation speed 1400rpm

Engines and power supply

Total motor power 23kW

Lower Compensation Motor 0.18kW

Upper compensating motor power 1kW

Grinding motors power 7.5kW / 7.5kW

Motor power of tray rotating 1.5kW х 2pcs

Voltage 380V / 50Hz

Change Plate Motor 1.5kW

Feed motor power -

Overall dimensions and weight

Weight 4300kg

Overall length 2250mm

Overall width 2400mm

Overall height 2750mm