Industrial CNC Machine Directory

Machine Comparison

Citizen Miyano BNE-51MSY vs Citizen Miyano BNE-51MYY

Citizen Machinery vs Citizen Machinery · Mill-Turn Machines

01

Summary

The Citizen Miyano BNE-51MSY and Citizen Miyano BNE-51MYY are both from Citizen Machinery's mill-turn machines lineup, making this a common upgrade or lineup decision for shops already invested in the Citizen Machinery ecosystem. The Citizen Miyano BNE-51MYY shows specification advantages in 5 categories, though the Citizen Miyano BNE-51MSY may still be the better choice depending on your shop's specific needs and the type of work you run. Both machines are proven performers in production environments and represent solid investments for shops in the market for a mill-turn machine.

02

Specifications Comparison

Specification Citizen Miyano BNE-51MSY Citizen Miyano BNE-51MYY
Control Mitsubishi CNC Mitsubishi M830W
Max Bar Capacity Sp1 51 mm (2.0 in) 51 mm (2.0 in)
Max Bar Capacity Sp2 51 mm (2.0 in) 51 mm (2.0 in)
Max Machining Length 90 mm (3.54 in) 195 mm (7.68 in)
Main Spindle Speed 5,000 RPM 5,000 RPM
Main Spindle Power 15/11 kW (20/15 hp) 18.5/15 kW (25/20 hp)
Sub Spindle Speed 5,000 RPM 5,000 RPM
Sub Spindle Power 7.5/5.5 kW (10/7.5 hp) 11/7.5 kW (15/10 hp)
Upper Turret Stations 12 12
Lower Turret Stations 12 12
Total Live Tool Positions 24 24
Live Tool Speed 6,000 RPM 6,000 RPM
Live Tool Power 2.2 kW (20 Nm), 4.0 kW (25 Nm) optional 4.0 kW per turret
Travel X1 195 mm (7.68 in) 205 mm (8.07 in)
Price Range $320,000 - $450,000 $380,000 - $520,000
03

Advantages

Citizen Miyano BNE-51MSY

  • More competitive pricing at $320,000 - $450,000 compared to $380,000 - $520,000
  • Backed by Citizen Machinery's dealer and service network for parts and support
  • Medical implant manufacturers producing the most complex components requiring maximum tooling density and minimum cycle time from 51 mm bar stock

Citizen Miyano BNE-51MYY

  • Superior max machining length at 195 mm (7.68 in) vs 90 mm (3.54 in)
  • Superior main spindle power at 18.5/15 kW (25/20 hp) vs 15/11 kW (20/15 hp)
  • Superior sub spindle power at 11/7.5 kW (15/10 hp) vs 7.5/5.5 kW (10/7.5 hp)
  • Superior live tool power at 4.0 kW per turret vs 2.2 kW (20 Nm), 4.0 kW (25 Nm) optional
  • Superior travel x1 at 205 mm (8.07 in) vs 195 mm (7.68 in)
04

Verdict

The Citizen Miyano BNE-51MYY edges ahead on specifications in this comparison, particularly in max machining length and main spindle power. However, the Citizen Miyano BNE-51MSY remains competitive and may be the better choice depending on price, dealer support in your area, or specific workholding and tooling considerations. Both are capable machines — the best decision comes from running your actual parts and evaluating total cost of ownership including tooling, training, and service.