R A Fisher Associates
Provider of technical laser consulting, optics consulting, and nonlinear optics consulting, outst……...
Improving Product Quality with Levicron Ultra Precision Spindles
Levicron’s rapid, air-bearing ultra precision tooling spindles can provide substantial improvements in product quality with a robust fitting for industrial use.
The spindles are available in two different formats:
The ASD-H25 uses a standard industry interface (HSK25) allowing it to be used immediately saving install time and money
The ASD-Cx uses a collet system, which is pneumatically operated
The spindles are available in either 60,000 RPM or 80,000 RPM models to enable rapid manufacturing at improved quality levels. The thermal stability and low motion deviation, combined with a long shaft design and rapid tool changing, facilitates high quality production and a short chip-to-chip time.
Key Benefits
Reduce chip-to-chip time by rapid tool centering within 1 µm
Improve your productivity whilst reducing tool expenses
High powered and robust for the extremely rapid removal of materials
An error motion of less than 30 nm (asynchronous)
Achieve motions of up to 80,000 RPM with accurate operation at any speed
Reduce the time required to soak spindles
The tool achieves thermal stability in less than 5 minutes
Radial growth is prevented using a symmetrical thin film cooling system
Axial growth is prevented using a self-compensating design
Tool designed so that all natural frequencies fall outside the systems operating speeds
| Results: | 80k rpm | Roughness | Sa = 1.494 nm |
| t/r 0.5 mm | Gaussion Filter | Sq = 1.861 nm | |
| constant surface speed | .08 mm | St = 11.72 nm | |
| = 400 mm/min | |||
| 5 µm/rev | |||
| (taken on a Taylor Hobson CCI) | |||
Key Specifications
| . | . |
|---|---|
| Speed | 60 K, 80 K 90 K and 100 K RPM available upon special request |
| Max Shaft Power | 2.1 - 4.2 kW (2.8 - 5.6 hp) |
| Axial Stiffness | up to 60 N/µm |
| Axial Load Capacity | up to 550 N |
| Radial Stiffness | up to 40 N/µm |
| Radial Load Capacity | up to 330 N |
| Error Motion | Asynchronous error motions less than 30 nm axial |
Slow-Motion Video Series - Part 1, Micromilling
Slow motion footage of ultra-precision micromilling of a lenslet in brass with a Levicron spindle - Part 1
Slow-Motion Video Series - Part 2, Levicron Milling
Slow motion footage of ultra-precision micromilling of a lenslet in brass with a Levicron spindle - Part 2
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