Universal cylindrical semi-automatic grinding machine 3U10MAF10. Machine is in perfect condition. Not used in mass-production.
Manufacturer of this m/c is still existing and making such kind of machinery.
Specifications:
Max work-piece length: 250 mm
Grinding diameter:
-Outer: 100 mm
-Inner: 3...40 mm
Grinding wheel:
-Diameter: 250 mm
-Width: 25 mm
-Speed: 35 m/s
Internal grinding wheel speed range: 40000...90000 rpm
Grinding wheel power requirement: 2,2 kW
Guaranteed accuracy roundness:
-Between dead centers: 0,0004 mm
-On live work-head spindle: 0,0006 mm
Guaranteed accuracy surface straightness: 0,001 mm
Guaranteed accuracy roughness of the ground surface:
-External: 0,04 Ra
-Internal: 0,08 Ra
-Face: 0,16 Ra