平行预应力促动器

平行预应力促动器是一个预载的低电压压电陶瓷(MLA)堆栈。预载(或预应力)是从不锈钢制成的外部弹簧框架获得的,它能保护MLA抵抗拉力并为用户提供能简化集成的机械接口。此预应力框架给MLA施加最佳预应力保证其比传统预应力促动器有更长的使用寿命和更好的动态应用性能。

这种新的直接压电促动器是由CEDRAT TECHNOLOGIES为法国航天局CNES设计的。 PPA模型比紧凑的直接压电促动器更轻,而两者具有相同的机电性能。其小巧的体积也使其能更容易地被集成到机械装配中。

 

Parallel Pre-stressed Actuator - PPA10M

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Description

The PPA10M is the smallest size version of the Parallel Pre-stressed Actuator M series.

性能
Stroke(µm):8.3; Resonance frequency(Hz):32300; Dimensions(mm): 18*10*9
可选项
Strain Gauges; Non Magnetic; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA20M

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Description
The PPA20M is the middle size version of the Parallel Pre-stressed Actuator M series.
性能
Stroke(µm):19.5; Blocked force(N):1100; Resonance frequency(Hz):20200; Dimensions(mm): 28*10*9
可选项
Strain Gauges; Non Magnetic; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA40M

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Description
The PPA40M is the biggest size version of the Parallel Pre-stressed Actuator M series.
性能

Stroke(µm):38; Resonance frequency(Hz):11300; Dimensions(mm): 48*10*9

可选项
Strain Gauges; Non Magnetic; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA40L

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Description
The PPA40L is the smallest size version of the Parallel Pre-stressed Actuator L series.
性能
Stroke(µm):44 Blocked force(N):4700 Resonance frequency(Hz):8300 Dimensions(mm): 57*23,5*18
可选项
Strain Gauges; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA60L

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Description
The PPA60L is the middle size version of the Parallel Pre-stressed Actuator L series.
性能
Stroke(µm):67 Blocked force(N):4700 Resonance frequency(Hz):6000 Dimensions(mm):77*23,5*18
可选项
Strain Gauges; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA80L

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Description
The PPA80L is the biggest size version of the Parallel Pre-stressed Actuator L series.
性能
Stroke(µm):85 Blocked force(N):4700 Resonance frequency(Hz):4700 Dimensions(mm):97*23,5*18
可选项
Strain Gauges; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA120L

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Description
The PPA120L is the biggest size version of the Parallel Pre-stressed Actuator L series.
性能
Stroke(µm):130; Blocked force(N):4700; Resonance frequency(Hz):3300; Dimensions(mm): 137*23,5*18
可选项
Strain Gauges; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA40XL

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Description
The PPA40XL is the smallest size version of the Parallel Pre-stressed Actuator XL series.
性能
Stroke(µm):43; Blocked force(N):9300; Resonance frequency(Hz):8000; Dimensions(mm):60*30*30
可选项
Strain Gauges; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA80XL

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Description
The PPA80XL is the middle size version of the Parallel Pre-stressed Actuator XL series.
性能
Stroke(µm):90; Blocked force(N):9300; Resonance frequency(Hz):4600; Dimensions(mm): 100*30*30
可选项
Strain Gauges; Vacuum; Specific Interface
产品类别
Standard
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Parallel Pre-stressed Actuator - PPA120XL

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Description
The PPA120XL is the biggest size version of the Parallel Pre-stressed Actuator XL series.
性能
Stroke(µm):130; Blocked force(N):9300; Resonance frequency(Hz):3300; Dimensions(mm): 140*30*30
可选项
Strain Gauges; Vacuum; Specific Interface
产品类别
Standard
Parallel Pre-stressed Actuator picture