The Miyano BNA-42GTY is a top-of-the-line CNC lathe designed for maximum efficiency and productivity. Manufactured by Citizen Machinery, this machine boasts a unique configuration that sets it apart from traditional turret lathes. Here's a closer look at its features and specifications:
Dual Spindle Powerhouse:
The BNA-42GTY's defining characteristic is its dual-spindle design. This means it has two spindles (SP1 and SP2) that can operate simultaneously. This allows for independent machining on both the front and back of a workpiece, significantly reducing cycle times.
Boosted Tooling Capacity:
The machine features a combination of a turret with 8 stations (offering 16 positions with half-indexing) and a gang tool post. This, along with the ability to use optional multiple tool holders, brings the total tool capacity to a staggering 45. With so many tools at its disposal, the BNA-42GTY can handle complex machining tasks without requiring frequent tool changes.
Triple Threat Machining:
The BNA-42GTY's "Tooling Area Superimposition Control" enables simultaneous cutting with two tools on the main spindle (SP1). When the sub-spindle (SP2) is factored in, this capability expands to three tools cutting concurrently. This overlapping machining significantly reduces overall production times.
Additional Specifications:
- Bar Capacity: 42mm (1-5/8")
- Y-axis Equipped Turret: Provides increased flexibility for complex machining operations.
- Sliding Headstock: Similar to a Swiss-style lathe, this feature allows for efficient machining of longer workpieces.
- 3-axis Control Group Overlapping: Enables more efficient machining by coordinating movements across various axes.
- Balance Cutting and Pinch Milling: The BNA-42GTY can handle these specialized machining techniques.
The Miyano BNA-42GTY is a powerful and versatile CNC lathe ideal for high-volume production environments. Its dual-spindle design, exceptional tooling capacity, and simultaneous machining capabilities make it a game-changer for manufacturers looking to boost their productivity.
| Machining capacity: Max. machining diameter of bar work (SP1) | 42mm |
| Machining capacity: Max. machining diameter of bar work (SP2) | 42mm |
| Machining capacity: Max. machining length | 110mm |
| Spindle: Number of spindle | 2 |
| Spindle: Spindle speed range (SP1) | 6,000 rpm |
| Spindle: Spindle speed range (SP2) | 5,000 rpm |
| Spindle: Spindle minimum index angle (SP1) | 0.001° |
| Spindle: Spindle minimum index angle (SP2) | 0.001° |
| Turret: Number of tools | 21 ~ 45 |
| Turret: Gang tool post (Front Turning) | 3 |
| Turret: Gang tool post (Front revolving) | 3 |
| Turret: Gang tool post (Back ID tools) | 5 |
| Turret | 8 Sta. |
| Turret: Revolving tool | 8 Sta. available |
| Turret: Shank size of turning tool | 3/4" |
| Turret: Diameter of sleeve holder | 1" |
| Turret: Revolving tool chuck | ER16 |
| Turret: Tool spindle speed range | 6,000 rpm |
| Slide stroke: Axis stroke/Rapid speed (Z1 axis) | 110mm 30m/min |
| Slide stroke: Axis stroke/Rapid speed (X1 axis) | 95mm 24m/min |
| Slide stroke: Axis stroke/Rapid speed (Y1 axis) | 260mm 30m/min |
| Slide stroke: Axis stroke/Rapid speed (Z2 axis) | 235mm 20m/min |
| Slide stroke: Axis stroke/Rapid speed (X2 axis) | 140mm 20m/min |
| Slide stroke: Axis stroke/Rapid speed (Y2 axis) | 70mm 12m/min |
| Slide stroke: Axis stroke/Rapid speed (Z3 axis) | 360mm 20m/min |
| Slide stroke: Axis stroke/Rapid speed (X3 axis) | 190mm 12m/min |
| Motors: Spindle drive (SP1) | 11/7.5kw (15min/cont.) |
| Motors: Spindle drive (SP2) | 5.5/3.7kw (15min/cont.) |
| Motors: Revolving tool drive (Turret) | 1.0kW |
| Motors: Revolving tool drive (Gang tool) | 1.5kW |
| Power supply: Electrical capacity | 34KVA |
| Power supply: Air supply | 0.5MPa |
| Coolant tank capacity | 165L |
| Machine dimensions: Machine height | 1,680mm |
| Machine dimensions: Floor space | 2,350 W × 1,475mm D |
| Machine dimensions: Machine weight | 3,740kg |