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PPa Parallel Lever-Actuators

PPO and PPS levers are driven by our superior MPO stack-actuators. The high strain of these stacks allows for smaller constructions at given displacements. Our levers are equipped with electro-eroded flexures. This is a difference to other suppliers. Flexures avoid friction (wear, non-accuracies) and also micro-cracks, which would reduce life-time. The moving platforms (10×13 mm) are being guided in parallel. Thus PPa can be used for shifting mirrors for example.

PPS are equipped with strain-gage (SGS) full-bridges, which care for temperature-compensated measuring and controlling positions.

Detail

Product-Number	PPa-b00100	PPa-b00250	PPa-b00500	PPa-b01000	Unit

Displacement (-45..180 V)	160	400	800	1600	µm
Displacement, closed loop	100	250	500	1000	µm
Resolution, open loop	0.2	0.3	0.5	1	nm
Resolution, closed loop	2	6	12	25	nm
Linearity, closed loop	0.1		0.2		%
Repeatability	7	10	30	60	nm
Push/Pull, maximum	50/20		30/15		N
Lateral Force, maximum	40		30		N
Stiffness	0.85	0.5	0.22	0.11	N/µm
Resonance, unloaded	850	630	340	210	Hz
El. Capacitance @ 1V eff, 1kHz	1.1	3.3	4.4	7.7	µF
Body-Material	stainless-steel
Length L	45	59	69	99	mm
Height H	20	20	22.5	22.5	mm
Weight	55	82	107	145	g
Operating Temperature	-20..80				°C

Specification

PPS are equipped with strain-gage (SGS) full-bridges, which care for temperature-compensated measuring and controlling positions.

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