ag davis rotary table supplier

The ULTRARON is a precision-engineered rotary table, produced entirely at A.G. Davis - AA Gage, with applications for inspection, tool room and/or production machining. The ULTRARON"s accuracy is made possible by the use of precision lapped balls and integral ground races. The ULTRARON has a standard concentricity accuracy of 30 millionths T.I.R. (0.000030) and a wobble or rotating parallelism is held within 100 millionths (0.0001) on sizes to 24" in diameter.

The A.G. Davis - AA Gage Precision Broach Rotary Tables are high precision rotary systems manufactured for precision broaching applications. The Broach Rotary Tables can be supplied with stand-alone or rack-mounted controller, or can be interfaced to your operational Rotary Axis Control.

The Precision Rotary Tables are designed for use in Metrology, Inspection, and other precision applications. The Rotary Tables can be supplied with stand-alone or rack-mounted controllers, or can be interfaced to your operational Rotary Axis Control. The control is a solid-state, closed-loop system incorporating the latest State-of-the-Art concepts and can include IEEE or RS232 interface for remote program control.

The Air Float Rotary Table consists of hardened steel faceplate, which is floated on air in the thrust plane and centered by preload ball bearings radially during rotation. After an index move is completed the Air float is shut off allowing the faceplate to rest on the base of the rotary table producing excellent wobble characteristics. This action also friction locks the Air Float Rotary Table. A high-grade meehanite base casting is used to support the faceplate. Standard faceplate mounting pattern is by threaded hole patterns with other configurations available. The Air Float Type Precision Rotary Table can only be used with the faceplate in the horizontal plane.

The Ball Bearing Rotary Table consists of hardened steel faceplate supported by a maximum diameter preloaded angular contact ball bearing. The large diameter ball bearing produces excellent wobble characteristics. The preloaded ball bearing along with the closed loop servo system provides for continuous as well as point-to-point measuring. A high-grade meehanite base casting is used to support the ball bearing. Standard faceplate mounting pattern is by threaded hole patterns with other configurations available.

The Air Bearing Rotary Table consists of hardened and stabilized stainless steels and/or high-grade steels with corrosion resistant coatings. The base is made from high-grade meehanite castings. The Rotary Table employs a fully trapped gas bearing for both radial and thrust planes. The gas bearing jets are manufactured of precision machined gemstones. The air bearing along with the closed loop servo system provides for continuous as well as point to point measuring. Standard faceplate piece part hold down consists of threaded hole patterns, or special configurations are optionally available.

Air bearings require small clearances between rotating members. The possibility of these surfaces contacting each other during rotation is a major concern of air bearing users. Typically when this touch down does occur conventional air bearings will seize up and require major repairs. A.G. Davis-AA Gage has eliminated this possibility. The air orifice manifold detail is constructed from hardened stainless steel. The opposing surfaces are constructed from high-grade hardened steel and coated with a proprietary material. This construction permits the air bearing to lose air pressure while rotating even under maximum rated load and not damage the air bearing thrust and radial precision surfaces. After the air pressure is reinstated the bearing will freely operate as before.

The servo drive utilizes a capstan type friction wheel drive system. This drive system eliminates backlash (lost motion) between the servo motor and the Rotary Table it must position. The zero backlash condition provides an excellent foundation for a servo system which positions accurately without instability over a wide range of payload conditions.

The drive is constructed to eliminate any side loading of the rotary table bearings. Tangential loading only. This is accomplished by mounting the entire capstan drive package on a pivot which is tangent to the table drive rim. The main capstan drives on the O.D. of the drive rim while an opposing wheel bearing runs on the I.D. of the drive rim. The drive force required to engage the main capstan is provided by the opposing wheel bearing which creates a pinching action on the drive rim. This pinching action along with the pivot allow the drive to follow the drive rim"s motion without imparting any force to the rotary tables precision bearings. Note -unwanted side loading of the rotary table bearing will cause an increase

The base of the rotary table can be provided with air jet pads. These pads when actuated allow the rotary table to float on a level continuous flat surface. This feature is particularly convenient to CMM users who often move the rotary table to other locations on the CMM for various applications. The Air Ride is actuated by a dead man switch (automatically turns off when released). The switch is located adjacent to the drive cover.

A micro switch can be provided to close approximately 10° to 15° before the encoder"s marker pulse. The approach direction can be either clockwise or counterclockwise. Specify the desired approach direction when ordering. The encoder marker pulse will be located within 5° of the rotary tables zero position (the RT outline drawing shows the rotary table at it"s zero position).

A switch (DISENGAGE/ENGAGE DRIVE) can be provided adjacent to the drive cover. This toggle switch actuates a cylinder that alternately disengages and/or engages the drive. This switch also turns the Air Float Bearing on and off. This permits freewheel rotation of the face plate for faster centering and complete manual operation.

Custom manufacturer of gaging systems & components including automatic gaging systems. Gages, indexing tables & workholding devices are available. Design & build capabilities include PC-based programmable statistical process control & control programs with customized software. Other capabilities include surface grinding & jig boring.

A. G. Davis - AA Gage has been the industry leader in providing the design and manufacture for precision gages of all types, from small attribute (go/no go) gages, variable (data) gages, standard gages and components, to transfer line, gantry loaded semi-automatic and fully automatic inspection machines.

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A. G. Davis is a manufacturer and distributor of flush pin gages. For the past fifty years, we have operated as a world class producer of our complete line of gage components and custom gaging equipment. Our design and build capabilities include PC-based programmable SPC and control programs with A. G. Davis - AA Gage customized software. Our products include omni gages, groove gages, sweep gages, flush pin gages, roll-chek gages, Con-ax Precision Thread Locators, automatic gages, fixture gages, and bench gages. We also offer rotary tables and workholding products.

We were selling the precision index table called "Ultradex®" and manufactured by AA Gage in Japan. Last year we were talking about this "Ultradex®" with an engineer of a customer and have fixed the specification after several discussions per E-mail. Then we were asked about this inquiry by the purchase department whether we are the sole agent or not. We had some experiences to sell "Ultradex®" to Japanese customers, however we have not yet discussed about this distribution issue with Manager of Firm A.G. Davis - AA Gage, after AA Gage joined with A. G. Davis. We answered the customer that we are not a sole agent but we can directly buy "Ultradex®" and do the after sales service in Japan. However the customer bought it through a Japanese company in the States, then the manufacturer had to sell it to him. It is unfair, because we have decided the specification after discussion with the customer�fs engineer. The Japanese company knew only the Type Number of the "ULTRADEX®" and he could buy it and sell it with his lowest commission. We are not big, so we cannot take the responsibility to be a sole agent in Japan. But the manufacturer wrote for us the Certificate of the Sales Representative in Japan. We can of course sell all products of Firm A.G. Davis - AA Gage, and we will do our best with our good faith to the customer who contacts with us as in the past. Please watch and ask us with warm look, thank you.

It is the must that contractor must use the same measuring instruments used in the original contractor for the inspection in the Aviation Industry. This time we were given the part drawing with conditions using an A.G. Davis Groove Gage and a Federal Indicator. But this order is the 2nd time for the customer, so he asked us also some modifications that were proposed by a field operator. We sent the drawing and requirements to Firm A.G. Davis - AA Gage and got the quotation. At last we could place an order of a Groove Gage with Federal Indicator and with customer"s modifications.

A trading company asked us whether we can import the A.G. Davis Groove Gage, after he saw our web site. According to him the end use uses the Groove Gage as the photo of the right side, and the gage was engraved the name of A.G. Davis on it. The end user wanted to change the dimension. We were importing the "Ultradex®" of AA Gage, however we had not yet contacted with Firm A.G. Davis - AA Gage, after AA Gage joined with A.G. Davis. And we begun to contact with Firm A.G. Davis - AA Gage, we could place an order after several E-mai exchanges, and we could deliver the Groove Gage without a problem. After this in the future we were recognized to import the goods from Firm A.G. Davis - AA Gage directly.

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The ULTRARON is of compact design and rugged construction. The table is actually a large bearing assembly constructed with two rows of precision lapped balls, preloaded against each other, near the outer diameter. The base of the table is the outer race and the inner race is attached to the tabletop. Locating the precision lapped balls near the outer diameter assures maximum table stability and enables the ULTRARON to withstand heavy axial and radial loading. It also allows large through holes where the application requires it. The ULTRARON is stiff enough to be used for machining operations.

The manual ULTRARON operates freely whether in horizontal or vertical position. It is available in 6" to 48" base diameters with special top plates to 84" in diameter. Digital readouts can be adapted to all ULTRARON tables.

You will be unpleasantly surprised, when they tell you how much this will cost. Even a small accurate rotary will cost them at least $3 to $4k. Let alone the integration etc etc. So your cost will quickly soar well above $10k.

You need a very accurate rotary. Angular accuracy is important, but a much more important error is the wobble. That is the angular motion of table perpendicular to the table surface. Since this is an angular error, it can cause huge errors, if your part is somewhat larger. Most manufacturers comp for angular error. Few comp for wobble! If you get one, make sure they at least test for wobble (done with 2 call spheres). I would insist on wobble comp.

If you feel that a rotary table is the solution, get a real good one (be aware that it may take a lot of your measuring volume away too)! And calibrate it continuously. If you fail to do that, using your PH9 angles (or re-datuming) is quickly going to be much more accurate.

It has been my experience that if you have a machine and a family of parts that can use the table (in other words, you seldomly (re)move it), it makes sense to invest in a rotary. If you have a few part numbers (and therefore take the table off a lot), I would first try every other measuring method in the book. It would be my very last choice.

Contract Opportunity General Information Classification Description Attachments/Links Contact Information History Award Notices Follow 4-Row Tiller Active Contract Opportunity Notice ID 12805B22Q0501 Related Notice Department/Ind. Agency AGRICULTURE, DEPARTMENT OF Sub-tier AGRICULTURAL RESEARCH SERVICE Office USDA ARS PA AAO ACQ/PER PROP General Information View Changes Contract Opportunity Type: Combined Synopsis/Solicitation (Updated)All Dates/Times are: (UTC-05:00) CENTRAL STANDARD TIME, CHICAGO, USA Updated Published Date: Aug 23, 2022 08:56 am CDT Original Published Date: Aug 16, 2022 08:08 am CDTUpdated Date Offers Due: Aug 25, 2022 12:00 pm CDT Original Date Offers Due: Aug 23, 2022 09:00 am CDTInactive Policy: 15 days after date off...

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