William Watts Machinery Limited

JAKOBSEN PRECISION SURFACE GRINDING MACHINES

!Under Construction!

 

Machine shown is a model 1832AC. Automatic machine with microprocessor - AC control, Automatic cycle grinding, Automatic wheel dressing and wheel dressing compensation.

Also available: Standard Machines with microprocessor control and automatic grinding cycle.

The JAKOBSEN product range includes 7 models ranging in capacity from 450 x 250mm to 800 x 500mm and all with the following design principles and standard features.

+ Rigid machine construction

+ Linear guide ways for slip-stick-free cross movement

+ Servo-controlled cross movement with high accuracy cross positioning

+ Precision scraped longitudinal ways for fast table speed

+ Separate hydraulic power unit

+ Electronic handwheel to control the cross and vertical movements

+ Easy-to-operate control system

+ Scraped longitudinal guideways for optimum surface contact

+ Full control of the grinding process

 

 

Model

Specification

 

618

824

1026

1032

1424

1432

1832

GENERAL
Grinding Capacity

mm

450x200

600x250

650x300

800x300

600x400

800x400

800x500

Longitudinal table travel

mm

500 

700

700

900

700

900

900

Cross travel

mm

210

255

310

310

410

410

510

Max. height of wheelcentre to table surface

mm

550

550

550

550

650

650

650

Working surface of table

mm

450x180

600x200

650x250

800x250

600x350

800x350

800x450

Longitudinal table speed

m/min.

 30

30

30

30

30

30

30

CROSS FEED
Automatic crossfeed, intermittent, variable

mm

1-20

1-20

1-30

1-30

1-30

1-30

1-30

Continuous crossfeed, infinitely variable to max

mm/min.

 990

990

990

990

990

990

990

Hand cross feed, in steps

u

1/10/100  1/10/100  1/10/100  1/10/100  1/10/100  1/10/100  1/10/100 
VERTICAL FEED
Automatic vertical feed, in steps from

u

1-99

1-99

1-99

1-99

1-99

1-99

1-99

Power rapid vertical feed of wheelhead

u

0.3 (12)

0.3 (12)

0.3 (12)

0.3 (12)

0.3 (12)

0.3 (12)

0.3 (12)

Hand vertical feed, in steps

u

1/10

1/10

1/10

1/10

1/10

1/10

1/10

GRINDING WHEEL
Standard

mm

200x25x76,2 

225x25x76,2

350x40x127

350x40x127

350x50x127

350x50x127

350x50x127

Extra

mm

200x38x76,2

225x38x76,2

350x50x127

350x50x127

350x76x127

350x76x127

350x76x127

Speed of grinding wheel, 50 Hz

RPM

2800

2800

1400

1400

1400

1400

1400

                                         60 Hz

RPM

3400

3400

1700

1700

1700

1700

1700

MOTORS
Grinding Wheel

kW/H.P.

2.2 (3.0)

2.2 (3.0)

4.0 (5.5)

4.0 (5.5)

5.5 (7.5)

5.5 (7.5)

7.5 (10)

Hydraulic Pump kW/H.P.

1.5 (2.0)

1.5 (2.0)

1.5 (2.0)

1.5 (2.0)

1.5 (2.0)

1.5 (2.0)

1.5 (2.0)

Rapid Vertical Feed kW/H.P.

0.37 (0.5)

0.37 (0.5)

0.37 (0.5)

0.37 (0.5)

0.37 (0.5)

0.37 (0.5)

0.37 (0.5)

WEIGHT AND SHIPPING SPECIFICATIONS
Gross weight of machine

Kgs.

1500

1700

2200

2350

3150

3300

3500

Nett weight of machine

Kgs.

1300

1500

1750

1900

2550

2700

2900

Shipping Volume

CBM.

6.6

6.6

10.8

10.8

10.8

11.8

14.8

Floor Space required (length x width)

mm

2270x1510

2650x1750

3000x1870

3340x1870

3330x2210

3950x2210

4000x2700

Height

mm

1950

1950

1900

1900

2000

2000

2000

 

Please email us if you require further information.

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William Watts Machinery Limited
Millbrook, Incomol Building,

Derby Road, Clay Cross,
Chesterfield
Derbyshire S45 9AG
United Kingdom
Tel: +44 (0)871 288 4429
Tel: +44 (0)871 288 4498

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