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The SF 704 grinding machine is specially designed to meet the most demanding needs in both manufacturing and regrinding processes of tools and special parts, as well as light grinding.

From its solid and robust construction within a modern line, it is worth highlighting the extraordinary versatility of movements and easy adaptability for the execution and development of tools or special jobs that modern industry demands today.


With the incorporation of probes for reading the tool and the grinding wheel, it is capable of executing complex maneuvers with high precision.


The SF 704 is equipped as standard with the KSF-4 controller, which together with the FAGOR 8055 CNC unit and an exclusive InsMas interface, makes programming very easy and intuitive.

In addition to the standard programs, there is the option of developing any type of special program that the client requires. It is also possible for the user to develop programs using the ISO language.

There are standard programs for the process of sharpening and manufacturing helical burs (back / face), conical burs, joiner’s burs (face), undercut diamond burs, circular cutters, programs for grinding and countersinking.


The production area covers a very broad spectrum, from the manufacture and sharpening of cutting tools, to the serial processing of special parts. It offers numerous advantages in relation to cost reduction.

Examples of manufactured tools

Cuchilla Z
Pico de loro

Technical specifications

Distance between points with dividing head and tail stock 450 mm
Upper table dimensions 870 x 150 mm
Rotating top table (manual) ± 15º
X-axis (longitudinal movement) 450 mm
Y-axis (transverse movement) 250 mm
Z-axis (vertical movement) 250 mm
U-axis (dividing head) (optional according to configuration) ISO 50 / 360º
Sharpening spindle up to 6000 r.p.m.
Sharpening spindle motor 1,1 kW Inverter
X, Y, U axis motors 0,75 kW servomotor
Z axis motor 0,75 kW servomotor with electro-brake
X, Y, Z axis linear guides, ball screw
Probe for the measurement of the piece Optional
Manual, horizontal rotary movement of the grinding wheel shaft (optional) 360º
Manual, vertical angular movement of the grinding wheel shaft (optional) 360º
Maximum diameter of grinding wheels admitted for sharpening 150 mm
Maximum diameter of grinding wheels admitted for cylindrical grinding 200 mm
Grease centralized (electric)
Refrigeration with cutting oil by pump
Approximate weight (depending on configuration) 1250 kg
Dimensions (Length x Height x Width) 2110 x 1970 x 2110 mm




Control unit for machine tool automation.

General characteristics:

  • Linear and circular interpolations

  • Analog inputs and outputs

  • Opto-coupled digital inputs and outputs

  • Encoder inputs

  • Inputs for MPG

  • Activation of stepper motors

  • Activation of servomotors

  • Communication 232/485 / CAN

  • Ethernet connection

  • USB port




Dividing / rotating heads for machine tools

These heads of robust construction and great precision are suitable for manual, semi-automatic or automatic machine tools, CN or CNC, and constitute the most relevant and important part of the set of drives that make up the machine.

Technical specifications

Maximum torque 101 Nm
Internal reduction (depending on configuration) 90:1
Angular velocity 3000 rpm = 3,4 rad/s
Accuracy < 0,5 arc-min
Resolution ± 0,001º
Toolholder housing ISO 50
Height from dividing center of table (depending on configuration) 140 mm
Approximate weight (depending on configuration) 40 kg
Dimensions Length x Height x Width (depending on configuration) 150 x 200 x 250 mm