Products Home主动隔振面包板支撑框架
- Designed to Maximize Vibration Isolation
- Pneumatic Self-Leveling Design
- Provides Vertical & Horizontal Vibration Isolation
- Load Capacity: 700 kg (1,545 lbs)
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特性
- 垂直和水平隔振
- 支撑框架可安装最大尺寸为1200 x 1800 mm(48英寸 x 72英寸)的面包板
- 700 mm或800 mm框架高度可供选择
- 坚固的全钢结构
- 手动自平衡支脚，可以补偿不平整的地面
- 提供脚轮套件(PWA061)
这些工作站设计用于支撑Thorlabs尺寸最大为48英寸x72英寸(1200 x 1800 mm)的面包板。它们可以承载最多700 kg(1545 lbs)的负载，框架高度是700 mm(27.5英寸)或800 mm(31.5英寸)。所述系统基于四个独立的、空气式的主动隔振器，隔振器具有自平衡的特点，重复率为±0.25 mm (0.010英寸)。这些隔振器的纵向和横向共振频率分别为1.6 Hz和1.2 Hz，因此它们是干涉法、细胞注射、非接触型表面测量、显微镜和其它动敏式测量的理想解决方案。这些主动隔振支撑框架中的气动隔离器将需要一个恒定加压空气源，比如我们的压缩机。
| Specification | Value |
|---|---|
| Vertical Resonant Frequency | < 1.6 Hz |
| Horizontal Resonant Frequency | < 1.2 Hz |
| Vertical Transmissibility at Resonance | < 13 dB |
| Horizontal Transmissibility at Resonance | < 8 dB |
| Vertical Transmissibility at 5 Hz | -18 dB (87.5%) |
| Horizontal Transmissibility at 5 Hz | -18 dB (87.5%) |
| Vertical Transmissibility at 10 Hz | -34 dB (98%) |
| Horizontal Transmissibility at 10 Hz | -34 dB (98%) |
| Load Capacity | 700 kg (1,545 lbs) |
| Height | 800 mm (31.5"). 700 mm (27.5") |
| Isolators Height Adjustment Range | ±6 mm (0.25") |
| Self Leveling Repeatability | ±0.25 mm (0.010") |
| Legs Height Adjustment Range | ±10 mm (0.4") |
| Air Pressure Required | 690 kPa (100 psi) Maximum |
| Finish | Black Paint |
隔振系统需要承受实验室地面的连续振动。这些振动可能是由建筑物内的大型机械，或甚至由风吹，或交通等引起的共振(摇摆)造成的。传递率用于衡量阻尼这些振动的隔离效率，定义为传递振动的幅度与施加振动的幅度的比值。
Click to Enlarge垂直阻尼是通过使用双腔、阻尼气动弹簧来实现的。双腔内的气压用来支撑面包板，上面腔上有一个通过橡胶膜片密封的活塞。这使得活塞和双腔之间的几乎没有摩擦。地板或台面的运动使空气从上面的腔通过一个高电阻阻尼器流动到接收瓶内。
这种气流对地板和面包板之间振荡运动的阻尼限制，大大减少了初始化时间。各腔的体积比进行了优化设计，以使面包板达到最大限度减震性能，同时保持较低的共振频率。
水平振动阻尼是通过三点悬挂系统上气动垂直隔离器来实现的。这种创新的设计是采用重力作为水平干扰后的恢复力。通过把垂直隔离器的底座与带有无油的振动吸收阻尼器的外部圆柱相连接，来实现对与系统共振频率相同的水平振荡的阻尼。
为了允许负载分布的变化，SuperDamp™隔离器还具有包含精密三通阀的自平衡系统，三通阀在系统不工作的时候不与垂直隔离器连接。由于这些阀只有工作台面运动时才会启动，系统被干扰后，会返回到原来的水平位置±0.25 mm（0.01英寸）。该阀也自动补偿因负载分配变化引起的任何变化。
此外，该系统允许面包板的高度在超过了26 mm（1.02英尺）范围内调整，也可用于补偿地面的不平坦。这些隔离器需要有一个稳定的气压供应源。当气压供应源被撤离后，隔离器将会瘫痪，面包板会紧紧地落在支架框架上。
欲了解更多关于我们的产品设计以及隔振和阻尼的原理，请参看隔振教程。
选择振动系统
Thorlabs提供了三种类型的面包板支持系统：主动隔离，被动隔离和刚性支撑系统。
主动和被动隔振系统都是基于压缩空气，提供隔振频率（分别）是大于2赫兹和10赫兹，使其成为要求光子实验或工作在嘈杂环境的理想系统。此外，Thorlabs还提供没有隔振的刚性支撑系统，适用于只需要隔离面包板较低要求的应用。下面的表格比较了我们不同隔离系统的隔离性能。
| Active Vibration Isolators | Standard Passive Vibration Isolators | Heavy Duty Passive Vibration Isolators | Rigid, Non-Isolating | Optics a la Cart Rigid Lab Cart | |
|---|---|---|---|---|---|
| Vertical Resonant Frequency | < 1.6 Hz | 3.5 Hz | 3.5 Hz | N/A | N/A |
| Horizontal Resonant Frequency | < 1.2 Hz | N/A | N/A | N/A | N/A |
| Vertical Transmissibility at Resonance | < 13 dB | 24 dB | 24 dB | N/A | N/A |
| Horizontal Transmissibility at Resonance | < 8 dB | N/A | N/A | N/A | N/A |
| Vertical Transmissibility at 10Hz | -34 dB | -16 dB | -16 dB | N/A | N/A |
| Horizontal Transmissibility at 10Hz | -34 dB | N/A | N/A | N/A | N/A |
| Isolation Type | Active | Passive | Passive | N/A | N/A |
| Damping Efficiency | Best | Good | Good | N/A | N/A |
| Height | 700 mm (27.5") 800 mm (31.5") | 700 mm (27.5") 800 mm (31.5") | 700 mm (27.5") 800 mm (31.5") | 700 mm (27.5") 800 mm (31.5") | 870 mm (34.3") |
| Load Capacity | 700 kg (1540 lbs) | 24 to 260 kg (50 to 570 lbs) | 135 to 700 kg (300 to 1540 lbs) | 700 kg (1540 lbs) | 320 kg (705 lbs) |
| Mobility | N/A | N/A | N/A | N/A | Lockable casters |
| Storage | N/A | N/A | N/A | N/A | Bottom Shelf Optional Drawer |
振动隔离
振动隔离用来隔离噪声源周围的工作站和面包板。这种振动可能导致机械建筑比如电梯或压缩机，行人，振动和附近的街道交通。振动系统的作用是抑制由周围环境产生的横向和纵向的噪音。这种声音通常范围在10-10赫兹。下表描述了常见的振动源：
| Types | Frequency (Hz) | Amplitude (inches) |
|---|---|---|
| Air Compressors | 4 - 20 | 10-2 |
| Handling Equipment | 5 - 40 | 10-3 |
| Pumps* | 5 - 25 | 10-3 |
| Building Services | 7 - 40 | 10-4 |
| Foot Traffic | 0.5 - 6 | 10-5 |
| Acoustics | 100 - 10 000 | 10-2 to 10-4 |
| Punch Presses | Up to 20 | 10-2 to 10-5 |
| Transformers | 50 - 400 | 10-4 to 10-5 |
| Elevators | Up to 40 | 10-3 to 10-5 |
| Building Motion | 46/Height in meters | 10-1 |
| Building Pressure Waves | 1 - 5 | 10-5 |
| Railroad | 5 - 20 | ±0.15 g |
| Highway Traffic | 5 - 100 | ±0.001 g |
*真空，压缩和非压缩液体
| Posted Comments: | |
Sebastian Reparaz
(posted 2022-11-30 10:18:23.847) Hi, I have bought a couple of years ago an optical frame with active isolation. Currently, one of the legs is leaking air and, hence, the table cannot float on that leg. Would you please advice on how we should proceed here. Is there any easy solution to this we could implement?
Movil: +34 654 831 536
email: jsreparaz@icmab.es
Thanks in advance,
Sebatian Reparaz
Institute of Materials Science of Barcelona
Spain DCroxford
(posted 2022-12-01 05:04:44.0) Response from Daniel at Thorlabs: Thank you for your query. There can be a few causes of such a leak and a member of technical support will reach out to you to help with troubleshooting. The main checks will be with regards to the tubing and connections. Initial checks you can do yourself include:
- Check the tubing connections are fully inserted into the push-fit connections. This can require some force to get the tube past the O-ring.
- Check if air is leaking from the valve or the top of the leg. Valves are easily replaced. Stuart Cole
(posted 2019-10-16 12:57:45.823) Would it be possible to mount four swivel jacks on each of the four legs? https://www.etrailer.com/Trailer-Jack/Dutton-Lainson/DL22800.html or something similar. cwright
(posted 2019-10-17 06:34:09.0) Hello Stuart,
thank you for contacting us. These jacks you suggest appear to mount to the horizontal bars of the frame. In that case this may be possible but we would recommend the use of our PWA061 caster set instead. If you intend to screw these directly into the legs then I would advise that this material is only a few millimetres thick and it is unlikely to be a secure fit. I will contact you directly to offer further support. ingcarlosgordon
(posted 2016-01-26 15:22:30.79) Dear
Thorlabs.
We are from the University Carlos III of Madrid.
Actually, we have an Optical Table of Melles Griot (1200x1200mm) and we need to provide an active isolation.
Please, could you suggest us a suitable Active Isolation Breadboard Support Frame for our optical table?.
Thanks in advance. besembeson
(posted 2016-02-01 12:14:58.0) Response from Bweh at Thorlabs USA: One of our active vibration isolation supports at the following link should be suitable. We will follow-up with you: http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=1095 bray
(posted 2015-02-12 11:35:28.313) We purchased two air tables about 3 years ago and recently one of them has an air leak in the anchor leg piston. We've removed the piston and found the leak but now we need to replace the defective piston. Could you have one of your table experts contact me ASAP to deal with this? My name is Doug Bray and I have messages in to Rob Grant who we ordered the tables from but he is unavailable so I thought I should send a formal request to deal with the problem quickly. My office phone # is 403-329-2740 and my cell phone is 403-331-0789.
Thanks, Doug Bray rcapehorn
(posted 2015-02-16 08:44:04.0) Response from Rob at Thorlabs: Hi Doug, I am sorry you haven't been able to contact Rob Grant. I will contact you directly with further information on our repair procedure. jjurado
(posted 2011-02-16 18:28:00.0) Response from Javier at Thorlabs to Dra. Oropeza: Thank you very much for submitting your request. There are a couple of options to consider depending on the weight of the lithography equipment (I was not able to find this on the webpage you provided). You can use a 2.4" or 4.3" thick 4' x 5' breadboard. Please visit the links below for our Performance Series Breadboards:
PBH11119 - Performance Series I Breadboard - 5' x 4' x 2.4"
http://www.thorlabs.de/NewGroupPage9.cfm?ObjectGroup_ID=1873&pn=PFA51507#2819
PBH12119 - Performance Series II Breadboard - 5' x 4' x 4.3"
http://www.thorlabs.de/NewGroupPage9.cfm?ObjectGroup_ID=1858
The PFA51507 can properly support either breadboard. We also provide the compressor for active supports. The part number is PTA011:
http://www.thorlabs.de/NewGroupPage9.cfm?ObjectGroup_ID=1116
In terms of pressure, it is recommended to provide between 50 and 100 psi.
We provide detailed instructions in the manual for the frame.I will contact you directly for further support. loropeza
(posted 2011-02-16 16:39:57.0) I need to use this table to place an optical lithography equipment (http://www.intelligentmp.com/SF100XCEL.htm) that is 26x44 inches.
I consider this is the table I do need it, i would like to know your opinion about it and also which type of air compressor do i need in terms of size, power and pressure?
Do you also sell the compressor?
Thanks
******************************************************
Dra. Laura A. Oropeza-Ramos
Facultad de Ingeniería, UNAM
Centro UNAMems - Departamento de Electrónica
Edificio DIE-DIMEI 3er piso, Ciudad Universitaria, C.P. 04510 Mexico, DF
tel: (52.55)5622.31.20 , (DIE) 5622.31.12 , fax: (52.55)5622.35.96
******************************************** |
放大- 稳固的全钢结构
- 框架高度为700 mm(27.5英寸)
- 负载能力: 700 kg(1545 lbs)
- 高度调节范围:
- 平衡垫: ±9.5 mm(±0.375英寸)
- 平衡脚: ±5 mm(±0.2英寸)
这些700 mm(27.5英寸)高、主动隔振的框架为振动敏感的应用提供了最大隔振效果。它们设计有气动自平衡特征，在工作面的垂直和水平方向上提供隔振，以及低频振动的有效衰减。这些气动隔离器将需要一个恒定加压空气源，比如我们的压缩机。
点击下表中的More [+]，查看每种面包板尺寸的框架。我们也可以根据您的要求提供定制尺寸；关于您的需求和价位，请联系技术支持了解详情。
| Compatible Breadboards |
|---|
放大- 稳固的全钢结构
- 框架高度为800 mm(31.5英寸)
- 负载能力: 700 kg(1545 lbs)
- 高度调节范围:
- 平衡垫: ±9.5 mm(±0.375")
- 平衡脚: ±5 mm(±0.2")
这些800 mm(31.5英寸)高、主动隔振的框架为振动敏感的应用提供了最大隔振效果。它们设计有气动自平衡特征，在工作面的垂直和水平方向上提供隔振，以及低频振动的有效衰减。这些气动隔离器将需要一个恒定加压空气源，比如我们的压缩机。
点击下表中的More [+]，查看适合每种面包板尺寸的框架。我们也可以根据您的要求提供定制尺寸；关于您的需求和价位，请联系技术支持了解详情。
| Compatible Breadboards |
|---|
放大- 可进行360度旋转运动，使大型系统的运动变得容易
- 高度耐用，无损的聚亚安酯轮
- 负载容量：每个200 kg（440镑），四轮同时使用时800 kg（1760镑）
在不拆除光学元件或者不拆卸系统的情况下，这些脚轮能够方便地重新定位面包板支撑框架。它们是在狭小空间定位面包板框架的理想选择。每个脚轮上有一个无损轮子，能够平稳、安静地操作。该脚轮以四件套提供。
自平衡，主动隔振框架