Historical vertical machining center specifications based on 4 UMS machine records spanning 1987–1995.
Historical reference information — not a machine-for-sale listing. Values can vary by year, control, spindle package and optional equipment.
Historical RA-II-DC 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.
1987 Matsuura RA-II-DC
1987 Matsuura RA-II-DC historical configuration
Control: Yasnac MX-3/CRT
X-Axis Travel23.62 "
Y-Axis Travel16.14 "
Z-Axis Travel18.5 "
Table Width14.9 "
Table Length23.6 "
Spindle Taper#40
Spindle Speed Maximum7000 rpm
Main Motor (HP)7.5 hp
Spindle Nose to Table Minimum5.9 "
1 historical UMS record: #17302
1993 Matsuura RA-II-DC
1993 Matsuura RA-II-DC historical configuration
Control: Yasnac I-80
1 historical UMS record: #15871; detailed specification rows were not recorded.
1995 Matsuura RA-II-DC
1995 Matsuura RA-II-DC historical configuration
Control: Yasnac I80/CRT
X-Axis Travel23.62 "
Y-Axis Travel16.14 "
Z-Axis Travel18.5 "
Table Width14.9 "
Table Length23.6 "
2 historical UMS records: #30044, #17307. Spindle speed, taper and motor records differ between the two machines.
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