Performance feedback from Russian customer
Three end mills was produced from carbide rods ф20 YG10U
The end mills was used for slot milling
Workpiece materialsteel40Russian national standard GOST 4543-71
Machine Quaser MV 184P
Emd mill parameters
diameter 20mm
Lenght 90mm
work length 28mm
corner radius 0,2mm
4flute
overhanging lengt 50mm
Cutting Date
Rev. 1700 rev/ min
Vc 106,7 m/min
Feed per tooth 0,025mm
Feed 170 mm/min
DOC 3mm
Rough milling slot width 45mm depth15mm
Average working time of milling cutters 50 minutes before regrinding (without idle pass of spindle)
Conclusions
1. The testable of end mills was operated stable.
2. The resistance of the test alloy is similar to that of the alloy DK460UF of Guhring (www.guhring.com) used in the factory.
Signatures of members of the commission