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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