B29 Series Elevating Tables
The smallest of the vertical tables with a maximum payload capacity of 30 lbs. (13.6 kg) and vertical travel range of 1.5″ (3.81 cm) to 6.5″ (16.51 cm).
Velmex pre-configured Elevating Tables are manually operated. To lift a payload utilizing a motor, look at using a motorized UniSlide® or BiSlide® mounted vertically. Should the need for a different configuration, length or payload capacity arise, most manual or motorized Velmex linear stages can be mounted vertically and used as an elevating table.
Features
Lift range of 1.5″ to 6.5″
Maximum vertical payload capacity of 30 lbs.
B29 Series Elevating Table Models:
B2906W1*
B2909W1*
* Alternative lead screw pitches available.
Since 1967, Velmex, Inc. has manufactured linear and rotary motion-control positioning systems for scientific, research, machining, instrumentation and industrial applications. Velmex produces UniSlide®, BiSlide® and XSlide™ manual and motor-driven stages; manual and motor-driven XY tables, rotary tables, elevating tables and turntables; as well as, VXM™ motor controls and VRO™ encoder readouts – all, American-made. All providing a variety of precise, yet simple, modular configurations to satisfy a broad range of positioning applications where high precision and value are essential. Common applications include manufacturing, research, automation and prototyping. Services provided include custom machining and controller integration.
Specifications
Factors such as size of the motor, size of the payload, travel distance, mounting direction/plane, etc. effect the actual capability of any assembly. Please contact Velmex Application Engineers to configure a system that will meet your exact requirements.
| Operating temperature | 0 to 180° F (-18 to 82° C) |
Properties of Velmex Stages - Information on stage composition, tolerances, wear and design for specialty applications.
Load Parameters - Definitions and parameters that effect the various load ratings.
| Vertical Travel Distance | Retracted height | Platform Size (W x L) | ||||
| Model | Inches | cm | Inches | cm | Inches | cm |
| B29 | 1.5" - 6.5" | 3.81 – 16.51 | 6.875" - 11.875" | 17.46 – 30.16 | 2.5" X 4" | 6.35 – 10.16 |
| Maximum Vertical Load | Weight | Assembly W X L | Maximum Platform Height | Minimum Platform Height (Inverted) | ||||||
| Model | lbs. | kg. | lbs. | kg. | Inches | cm | Inches | cm | Inches | cm |
| B29 | 30 | 13.6 | 2.75 – 4.7 | 1.25 – 2.13 | 4" X 4" | 10.16 X 10.16 | 3.375" | 8.57 | 0.75" | 1.91 |
Lead Screw Specifications for Elevating Tables
| Model | Turns per Inch | Advance per Revolution | Screw Motion Type Code Letter – Standard Accuracy | Division on Graduated Knob | Lead Screw Diameter |
| B29 | 10 | 0.100" | W1 | 100 | 3/8" |
| Repeatability | 0.00015″ (4 microns) typical |
| Straight line accuracy | 0.003″ (0.076 mm) over entire travel distance. Higher accuracy 0.0015″ (0.038mm) available |
| Screw lead accuracy | 0.003″/10″ (0.076 mm/25 cm) 0.0015″/10″ available. Consult factory. |
Options
Several options can be added to Velmex Products to make them more versatile and configurable.
B29 Platform Shelf
Platform shelf from UniSlide® A25 and MA25 Elevating Tables that can be used on vertical UniSlide® Assemblies.
Graduated Knob with Scale
A Graduated Knob with the scale mounted on the top side of the base is available as an option on Series AXY40 and AXY60 Tables.
Knob with Crank
The knob with a crank is standard on Velmex XY Tables Series AXY40 and AXY60
Optional Finishes
Many Velmex Products come standard with a brushed aluminum finish. Optional finishes including Black Anodizing are available.
UniSlide® Thumbscrew-on-Lead-Screw Lock
An easy method to affix the slider utilizing a simple thumbscrew on the lead screw at the end bearing block of each axis.
Applications and Examples
The example displayed may be a custom configuration, designed to the customer’s specifications; and not offered as a standard product. Custom configurations could contain custom, externally-fabricated components.
Pictured in our gallery are examples of configurations and systems that may also include other Velmex products. Product and accessory offering is subject to change and availability.
Here is a Velmex B29 Series Elevating table with Thumbscrew-on-Lead-Screw Lock (-TL) option.
Pictured is a custom assembly using Unislide Linear Stages, B29 Elevating Stages, B29 Platform Brackets and custom fixtures.
This B29 Series Elevating Table is finished in Black Anodization for use as an Optical Stage
Downloads
The majority of CAD drawings found in our Technical Library are Step (.stp) files. You will also see .dxf, .dwg, .sat and .pdf files. For .STP files, you may need to right click on the download button and save the “target” or “link”. If you require a different format or cannot located the drawing you require, please contact us.
| Title | Summary | File Type | Link | hf:file_type |
|---|---|---|---|---|
| B2904xx.stp | Elevating Table, basic knob, 1.5″ Travel | stp | stp | |
| B2906xx-TL.stp | Elevating Table, basic knob with thumbscrew lock, 3.5″ Travel | stp | stp | |
| B2906xx.stp | Elevating Table, basic knob, 3.5″ Travel | stp | stp | |
| B2909xx.stp | Elevating Table, basic knob, 6.5″ Travel | stp | stp |
Frequently Asked Questions
For troubleshooting guides visit the Troubleshooting Page and select your product from the dropdown.
You would use an elevating table when you require free standing vertical travel with a platform shelf. The Velmex Elevating Tables are more rigid then turning a linear stage into a vertical axis, making them more stable. However, if you do want longer travel distance or a narrower or wider frame, almost all Velmex linear stages can be converted to an elevating table with the addition of a base plate and a platform shelf. They can be engineered to provide added rigidity, support and stability.
Velmex Elevating Tables are made of Velmex world renown UniSlide assemblies. They use a deeper base under the dovetail ways for added support and feature an oversize base for added stability in the vertical position. A right angle platform is mounted to the carriage that can be mounted in the inverse to add versatility to the travel envelope.
Yes. Velmex Elevating Tables are standard with the W1 lead screw. Finer pitch lead screws with greater sensitivity are available as an option.
Lubrication is important for motion systems or wherever you want maximum life and the lowest friction. UniSlide Assemblies can be lubricated with Velmex Lubriplate Aero®. Only a few drops are required to keep your slide running smoothly. The load and hours of use effect the amount and frequency of lubrication. See the user guide that came with your UniSlide for recommendations.
Yes, UniSlides can be mounted together in XY, XZ, XYZ configurations. Mounting UniSlide assemblies in multi-axis systems requires the use of adapter plates and brackets. They also can be combined with Velmex Rotary Tables and our other linear stages to make custom systems to meet a wide range of applications. See UniSlide Options and Accessories for more information on the plates and adapters. Also see our examples pages for images featuring Elevating Tables combined with other Velmex products.
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