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A surface plate structure, a tradition of the Miyano brand, has been carried over for the bed, an essential element for machining, while both size and weight have been increased in order to improve damping performance. Additionally, the coolant tank capacity has been increased to improve thermal stability. Rigidity of the entire turret tool post has been increased, and equipping with a Y axis enables the use of 12 stations. The number of installed tools has also been increased.
The cover has been completely redesigned to improve workability.
The opening has been enlarged for easier access and provided with a large window to improve visibility.
The port through which chips fall has been enlarged and the removal port has been moved closer to the
outer edge of the cover to make it easier to clean away chips.
These new NC units are standard-equipped with a dual-check safety function to improve safety and
productivity.
| Machine Specification | |||||||||
| Item | BNA-42CY5 | BNA-42SY5 | NC specifications | ||||||
| Capabilities/Capacities | BNA-42CY5 | BNA-42SY5 | |||||||
| Max. machining length | 200 mm | 100 mm | Control unit | FS.0i-TF PLUS | |||||
| Standard machining diameter (Chuck diameter) | SP1 | 42 mm dia. | Control axisHD1 | X1, Z1, Y1, C1, E1 (Turret) | X1,Z1,Y1,B1, C1, C2, E1 | ||||
| SP2 | — | 34 mm dia. | A1 (Rotary tools) | (Turret), A1 (Rotary tools) | |||||
| Travel distance | During superimposed | ||||||||
| Turret slide travel distance | X axis | 140 mm | operation: X1, Z1, Y1, | ||||||
| Z axis | 285 mm | C1, E1 (Turret) | |||||||
| Y axis | 70 (+/-35) mm | HD2 | – – – | A1 (Rotary tools)During superimposed | |||||
| Back spindle slide travel distance | B axis | — | 360 mm | operation: Z2, C2, | |||||
| Spindles | Feed axis absolute position detector X, Z1, Y1 | X1,Z1,Y1,B | |||||||
| Number of spindles | 1 | 2 | Min. set unit | 0.001 mm/0.001 deg. | |||||
| Spindle speed | SP1 | 60 to 6,000 min -1 | Interpolation function | ||||||
| SP2 | 50 to 5,000 min-1 | PositionerLinear interpolation | G00G01 | ||||||
| Closing tube through-hole diameter | SP1 | 43 mm dia. | Circular interpolation | G02, G03 (multiple quadrants available) | |||||
| SP2 | — | 30 mm dia. | Dwell | G04 | |||||
| Collet chuck type | SP1 | Hardinge S20, DIN173E, B&S #22D, | Threading | G32 | |||||
| JPN34, Hainbuch | Multiple threading | G33 | |||||||
| SP2 | — | JPN, DIN171E | Feed functionRapid feeding override | 0 to 100% (10% increments) | |||||
| DIN173E, B&S #22 | Cutting feed speed override | 0 to 150% (10% increments) | |||||||
| Power chuck type | SP1 | 5″ and 6″ hollow chucks | 5″ hollow chuck | Per minute feed and per rotation | G98/G99 | ||||
| SP2 | — | 4″ hollow chuck | Manual handle feeding | x1, x10, x100 | |||||
| Tool post | Reference point return | G28 | |||||||
| Number of tool posts | 1 | Reference point return chuck G27 2nd reference point return G30 or G30P2 | |||||||
| Type of tool post | 12 ST. | Program input function | |||||||
| Opposite side distance of tool post | 300 mm | Tape code | EIA/ISO auto-detection | ||||||
| Max. turning radius of tool post | 505 mm dia. | Absolute commands | X,Z,Y,C | X,Z,Y,C,B | |||||
| Dimensions of tools used | □ 20 mm | Incremental commands | U, W, V, H | ||||||
| Dimensions of tool post holes | 25 mm dia. | Programmable data inputCoordinate system settings | G10G50 | ||||||
| Rotary tools | Workpiece coordinate system G54 to G59 | ||||||||
| Number of installed rotary tools | Max.12 | Program storage and editing | |||||||
| Type of rotary tool drive | Independent clutch drive | Program storage capacity | 512 Kbyte | 1 Mbyte (Two system total) | |||||
| Rotating speed of rotary tools | 50 to 5,000 min-1 | Number of registered programs | 400 | 800 (Two system total) | |||||
| Machining capacities | Drill | Max. 10 dia. | Spindle and supplementary functionsSpindle functions S4 digits | ||||||
| Tap | Max. M6 × 1 | Supplementary functions | M3 digits | ||||||
| (Limited to spiral and point taps for M8 x 1.25) | Constant peripheral speed control G96 | ||||||||
| Max. M8 x 1.25 for BSBM | Tool and tool compensation functions | ||||||||
| Feed rate | Tool functions | T ○○△△ | |||||||
| Rapid feed rate | X axis | 20 m/min | ( ○○ = Tool selection and shape compensation,△△ = Wear compensation) | ||||||
| Z axis | 20 m/min | Nose radius compensation G40,G41,G42 | |||||||
| Y axis | 12 m/min | Operating functions | |||||||
| B axis | — | 20 m/min | Optional stop | M01 | |||||
| Slide thrust | Jog feeding | 0 to 1,260 mm/min | |||||||
| X axis | 5 kN | Input/Output interface PC card slot and USB memory slot | |||||||
| Z axis | 5 kN | Automatic operation | |||||||
| Y axis | 6.7 kN | One-cycle/Continuous operation, single block, block delete, machine lock | |||||||
| B axis | — | 5 kN | Optional block skip, dry run, feed-hold, optional stop | ||||||
| Tailstock | Other | ||||||||
| Max. travel distance | 200 mm | 10.4″ color LCD, supporting multiple languages, decimal-point input, manual pulse generator Memory protection, AC digital servos, etc. | |||||||
| Morse taper size | MT2 | Standard NC functions | |||||||
| Max. slide thrust | 4.3 kN (at 3.4 MPa) | Chamfering/corner R, background editing, operating time/number of parts display | |||||||
| Min. slide thrust | 0.57kN (at0.45 MPa) | Canned composite cycles (G70 to G76), spindle synchronization function (SY only) | |||||||
| Drive method | Hydraulic | Spindle rigid tapping (Main and sub (SY only)) | |||||||
| Motors | Cylindrical interpolation, custom macro B, canned drilling cycles (G80 to G86) Tool service life management, superimposition control function (SY only) | ||||||||
| Spindle motor | SP1 | 11/7.5/5.5 kW (15%/15 min/cont.) | |||||||
| SP2 | 5.5/3.7 kW (15 min/cont.) | ||||||||
| Rotary tools motor | 2.8/1.0 kW | ||||||||
| Coolant pump motor | 0.25 kW | ||||||||
| High-pressure coolant motor | 1.1/0.75 kW (60/50Hz) | ||||||||
| Required power source | |||||||||
| Power supply | AC 200/220 +5%/-10%, 50/60 Hz ±1% | ||||||||
| Power supply capacity | 16 kVA | 26 kVA | |||||||
| Air pressure source | 0.5 MPa | ||||||||
| Fuse capacity on facilities side | 75 A | 100 A | |||||||
| Tank capacities | |||||||||
| Hydraulic tank capacity | 18 L | ||||||||
| Lubricating oil tank capacity | 2 L | ||||||||
| Coolant tank capacity | 225 L | ||||||||
| Machine size | |||||||||
| Machine height | 1,745 mm | ||||||||
| Required floor surface area | W 2,260 x D 1,433 mm | W 2,350 x D 1,433 mm | |||||||
| Machine weight | 3,430 kg | 3,880 kg | |||||||
