Skip to content
PromashCall
All Optimum products

Brand: Optimum · Stürmer Maschinen, Germany

Surface grinding machine OPTIgrind GT 25

Article no. 3111025Surface grinding machines, table working length 450 to 800 mm

Work table size
254 x 508 mm, 500 x 250 mm
Max. workpiece weight
180 kg
Voltage
400 V / 3 Ph ~50 Hz
Weight
1900 kg
Dimensions
2250 x 2150 x 1675 mm
Speed
2850 rpm

Price on request

If the machine is not in the showroom, the delivery time is 7 working days. We confirm availability when we accept the order. Delivery times

Call
  • Official importer of Stürmer Maschinen
  • Warranty and out-of-warranty service
  • Delivery by Pigeon Express to an address or office
  • Technical experts at your disposal

Technical specifications

Basic features
Work table size254 x 508 mm, 500 x 250 mm
Max. workpiece weight180 kg
Voltage400 V / 3 Ph ~50 Hz
Weight1900 kg
Dimensions2250 x 2150 x 1675 mm
Speed2850 rpm
Load capacity180 kg
Grinding accuracy0.005 mm
Dimensions and weights
Length (product) approx.2600 mm
Width/depth (product) approx.2000 mm
Height (product) approx.2150 mm
Net weight approx.1900 kg
Equipment
Clamping plateElectro Magnet
Splash guardTable enclosure
Demagnetizing deviceAutomatic
Parallel hone deviceYes
Coolant device40 W
Work lightLED light
Alignment feetYes
Position displayDPA 31Plus
Electrical Data
Hydraulic pump motor output0.75 kW
Drive motor output2.2 kW
Total rated value3.7 kW
Mains frequency50 Hz
Spindle
Spindle true running accuracy0.005 mm
Grinding wheel(s)
Grinding disc external diameter200 mm
Grinding disc width20 mm
Grinding disc drill hole31.75 mm
Grinding disc peripheral speed33 m/s
Surface grinding table
Surface grinding table clamping surface length250 mm
Surface grinding table clamping surface width500 mm
Surface grinding table Workpiece height350 mm
Max. clearance spindle to surface grinding table450 mm
X axis
x axis travel speed5 – 25 m/min
X axis travel560 mm
Z axis
Z axis travel275 mm

Features

  • Electromagnetic clamping plate for fixing the workpiece with automatic demagnetization function
  • High-quality spindle with precision taper roller bearings
  • Hardened and ground table guideways
  • Turcite-B-coated counter-guides for high wear resistance and low friction
  • Grinding spindle with high-quality precision bearings
  • Grinding wheel can be resharpened directly on the machine using a puller device
  • Digital position indicator
  • Machine base made of stable, torsion-resistant cast iron for maximum rigidity and stability
  • Guideways of the longitudinal and transverse grinding wheels, Lateral and vertical movements are backlash-free and self-centering as V- and flat track design
  • Precision ball screws
  • Guideways and transport spindle with central lubrication
  • All flat tracks are finely scraped and thus guarantee highest precision of all manual movements
  • Safety electrical system in 24 V direct voltage
  • Largely dimensioned decoupled handwheels in all three axes
  • Hydraulic lines according to DIN EN 853
  • Corundum grinding wheel grain 46 for all common steels
  • Swivelling control panel makes work considerably easier
  • Separate hydraulic unit with heat exchanger, avoids vibrations and thermal stress
  • Twin-channel safety electronics
  • Sliding table splash protection
  • EMV filter class
  • With IE3 motor - consumes considerably less energy and thus significant cost savings

Scope of delivery

  • Digital position display
  • Coolant device
  • Balancing mandrour
  • Grinding wheel Grain 46
  • Diamond pen
  • Operating tool
  • Manual oil pump
  • LED lamp
  • Electromagnetic clamping plate
  • Demagnetizing function

Solid surface grinding machine from OPTIMUM with compact dimensions. Excellent for easy handling, accuracy and high grinding quality.

The data comes from the product description. To clarify a parameter, call +359 882 477 388.

Delivery, warranty and service

Delivery by Pigeon Express

  • Products in stock: delivered on the same day or on the next working day after the order is confirmed.
  • Products not in stock: the delivery time is 7 working days, unless one of our staff specifies otherwise.
  • By Pigeon Express to an address or an office. The delivery price is shown in the order, according to weight and destination, and is paid to the courier on receipt.
Shipping weight
1900 kg
Dimensions
225 × 215 × 167.5 cm
Delivery terms

Warranty

“The warranty period is 24 months for all private individuals and 12 months for all legal entities, unless stated otherwise in the product description.”

Promash provides a warranty in accordance with the manufacturer's terms.

Frequently asked questions

Service and advice

Warranty and out-of-warranty service. Technical experts at your disposal for choosing a machine, commissioning and training.

Call: +359 882 477 388

Accessories for this machine

The original Stürmer accessories and options for Surface grinding machine OPTIgrind GT 25 — add them to the order together with the machine.

Show 5 more accessories