Historical vertical machining center specifications based on 5 UMS machine records spanning 1984–1988.
Historical reference information — not a machine-for-sale listing. Values can vary by year, control, spindle package and optional equipment.
Historical MC-4VA Specifications by Year
Each block below is an actual historical UMS machine record for this exact model. Differences by year, control and configuration are preserved rather than averaged together.
1984 Okuma MC-4VA
1984 Okuma MC-4VA historical configuration
Control: OSP-5000/CRT
X-Axis Travel25.59 "
Y-Axis Travel16.14 "
Z-Axis Travel17.72 "
Table Width20.08 "
Table Length39.37 "
Maximum Table Load1100 lbs
Spindle Taper40
Main Motor (HP)10 hp
Tool Changer Positions20 atc
1 historical UMS record: #16920
1987 Okuma MC-4VA
1987 Okuma MC-4VA historical configuration
Control: OSP 5000MG/CNC
X-Axis Travel25.59"
Y-Axis Travel16.14"
Z-Axis Travel17.72"
Spindle TaperCAT-40
1 historical UMS record: #13759
1988 Okuma MC-4VA
1988 Okuma MC-4VA historical configuration
Control: OSP-5000MG/CRT
X-Axis Travel25.59 "
Y-Axis Travel16.14 "
Z-Axis Travel17.72 "
Table Width16.14 "
Table Length39.37 "
Maximum Table Load1100 lbs
Spindle Taper40
Main Motor (HP)10 hp
Tool Changer Positions20 atc
Spindle Nose to Table Minimum7.87 "
3 historical UMS records: #1015, #13442, #16110
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