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How to specify an Omni Wheel

What to put on an RFQ for Omni Wheel: the ratings, documents, and constraints that change the quote.

25 Oct 2026 · 3 min read · Tradinor Desk

Specification points for Omni WheelTRADINOR · FIGUREWhat to lock for Omni WheelEnvironmentEnd effectorSafetyPayload and reach
Put these on the RFQ for Omni Wheel before you compare prices.

A buyer searching for Omni Wheel is usually trying to stop a bad substitute. A robot is specified by reach, payload, repeatability, the environment, and the safety function around it. The notes below are selection criteria for an Omni Wheel. They are not a catalog promise. Confirm every rating on the current datasheet, drawing, or test report for the revision you will receive.

What has to be true of Omni Wheel

A robot is specified by reach, payload, repeatability, the environment, and the safety function around it. For an Omni Wheel, start from the duty, then the interface to the rest of the machine or the room, then the document that proves the claim. A lower price that leaves one of those blank is a different product.

Omni Wheel is easy to confuse with Delivery Robot. If the quote could be read as either, add the line that separates them: the rating, the fitment, or the standard named below. Link the drawing number to that line so receiving inspection can reject the wrong one.

Numbers that change the quote

Line What to write for Omni Wheel
Environment Clean, washdown, or a standard industrial hall.
End effector Who supplies the gripper or tool.
Safety The safeguarding of the cell is part of the machine, not a slogan.
Payload and reach Payload at the reach you need, not the maximum of each.
Repeatability The figure and the ISO method if the supplier cites one.
Axes and mount Axes, and floor, wall, or ceiling.

How to compare two offers

Lay both quotes for Omni Wheel on one sheet and line up environment, end effector, and safety. If a cell is empty, the offer is not finished. Ask for the missing line in writing. When those match, the honest difference is lead time, the test evidence, and who carries the warranty. Do not average a fully specified Omni Wheel with a cheaper line that omitted environment.

Documents worth having before the deposit

Ask for the load diagram. Payload falls as reach increases. The file should name Omni Wheel and the revision, not only the supplier’s homepage. A factory quality certificate such as ISO 9001 can sit beside that file. It does not replace it.

Failures that show up after delivery

  • Ignoring the safety cell.
  • Buying reach at a payload the diagram does not allow.
  • Adding gripper weight and forgetting it counts as payload.

On an Omni Wheel, the expensive version of the first mistake is discovering it after the goods are in the crate. Put the rejection condition in the purchase order while the supplier can still restate the offer.

A worked RFQ line

Use this shape, then replace the brackets with your duty: “Omni Wheel — Write payload at reach, repeatability, mount, and who guards the cell.” That sentence is a template, not a rating of any brand. If a supplier’s datasheet uses different units, convert them onto this sheet so the next offer can be compared.

Where words like OEM / custom belong

Searches often add a constraint to Omni Wheel: OEM / custom, or automotive grade. Keep those on this page. OEM or custom means a drawing, a revision, and a statement of who owns the tool. Without those, you are buying the catalog part. Automotive grade is a temperature, vibration, and documentation claim. Ask which AEC or customer spec is actually met, and for which part number. If you need a third constraint, add it as another line on the same drawing. A second URL that only swaps the adjective does not give a buyer a second fact.

Related in this section: how to specify Delivery Robot.

Questions buyers actually ask

What should an RFQ for Omni Wheel include?

Write payload at reach, repeatability, mount, and who guards the cell.

Is a cheaper Omni Wheel the same part?

Only if environment, end effector, and the documents match. A missing line is a different offer.

Do waterproof, OEM, or IP words need their own page?

No. For Omni Wheel they are extra lines on this specification. Ask for the test or the drawing that gives the word a value.