• Semiautomatic machine with CNC for broaches VZ-780F4-01

Stretching is an expensive tool that requires periodic sharpening. For sharpening broaches our company offers a special semi-automatic with CNC VZ-780F4-01, which allows you to perform the following types of treatments:

  • Formation of the profile of teeth and flute grooves on round and flat broaches (including the type "Christmas trees" and "swallowtail");
  • Sharpening of the teeth of round and flat broaches along the front surface;
  • Sharpening of teeth of flat broaches on the back surface;
  • Binding of the grinding wheel to the machine coordinate system of the semi-automatic machine;
  • Shaped editing of the grinding wheel.

This model of semi-automatic machine is based on the machine VZ-780F4 and differs from it with the possibility of installing products of longer length (up to 1000 mm) and weight (up to 100 kg). The nodes are controlled by the SINUMERIK 840Dsl (SIEMENS) CNC, which allows you to control the positioning of the 5-axis axes. Precision of positioning and processing is achieved through the use of digital drives SINAMICS S120 with engines of the 1FW6 and 1FK7 series.

Moving along rectilinear axes is carried out by synchronous motors along closed guides. Radial movement of the spindles of the grinding head and the head of the product is performed from the built-in circular synchronous high torque motors with position sensors on the final links. The shape of the grinding wheel is adjusted by a shaped diamond roller in an automatic cycle. The tailstock is moved by a hydraulic drive. Grinding of broaches is performed with the use of coolant, which ensures the highest quality parameters of the treated surfaces.

The semiautomatic machine is completed with the system of preparation of control programs (SPM), developed at our enterprise. The system works on the personal computer included in the semiautomatic system. All actions when working with SPM are carried out using the controls integrated in the operator panel.

Video Semiautomatic machine with CNC for broaches VZ-780F4-01

Download technical proposal
The parameters marked with (*) are specified at the stage of the technical task coordination.
Product Indicators, machined:
Dimensions of the installed grinding wheel: max. length, mm 900
max. diameter, mm 200
min. diameter, mm 10
max. weight of processed details, kg 100
Size of the blank to be installed length, mm 1000
diameter, mm 250
Parameters of working and adjustment travels:
Max. working travels along controlled coordinate axes: longitudinal, mm: 1200
vertical, mm: 320
transverse, mm: 320
the headstock, grad.: not limited
wheelhead degrees.: +90
Performance tool that is installed on the machine:
Dimensions of the installed grinding wheel: max. diameter, mm 150
min. diameter, mm 70
the frequency of rotation of the grinding wheel, min-1 0...24000
Dimensions of the installed ruling circle, mm diameter, mm 125
frequency of rotating diamond roller min-1 1500...3000
number of controlled axes 5
Indicators of primary and secondary movements:
Discreteness of travel assignments along coordinate axes linear, mm 0,001
circular, deg. 0,001
Max. speed of working unit travels longitudinal, m/min: 10
vertical, m/min: 5
transverse, m/min: 5
headstock rpm: 40
wheelhead, rpm: 40
Indicators Power of machine:
Power of the main motion motor, kW 10
Parameters of accuracy and roughness:
Аccuracy and roughness of samples machining Roughness of the processed surface of the slot Ra 0,80
Electrical equipment specifications
AC current frequency, Hz 50
Nature of supply AC. 3-phase
Voltage, V 380
Dimensional characteristics:
Dimensions (LxWxH) mm 3600х4500х2650
Noise level corresponds SanPiN 2.2.4/
Weight, kg 6250

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Semiautomatic machine with CNC for broaches VZ-780F4-01

  • Product Code: VZ-780F4-01
  • Availability: Pre-Order


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