How do you indicate reference dimensions?

Reference dimensions are shown on a drawing as a value enclosed in parentheses. An alternate method is to follow the dimension with “Reference” or “Ref”. The use of “Ref” or enclosing the dimension inside parentheses are by far the most common notations used.

What is meant by reference dimension?

A reference dimension is a dimension on an engineering drawing provided for information only. Reference dimensions are provided for a variety of reasons and are often an accumulation of other dimensions that are defined elsewhere (e.g. on the drawing or other related documentation).

What is the difference between a reference and basic dimension?

Basic dimensions are associated with another tolerance or dimension. While they don’t have a tolerance tied to themselves, they are used to calculate another toleranced feature such as the true position of a hole. Reference dimensions are simply placed on a drawing or blueprint for reference.

What is the symbol for reference dimension?

The parameter symbol for reference dimensions is rd# (or rsd# in the case of Sketcher).

What is a reference dimension in Solidworks?

Reference dimensions show measurements of the model, but they do not drive the model and you cannot change their values.

What does an underlined dimension mean?

An underline dimension means that the dimension has not the same scale with the drawing.

What is a reference dimension in GD?

Reference Dimension – A dimension, usually without tolerance that is used for information purposes only. It does not govern production or inspection operations. A reference dimension is a repeat of a dimension or is derived from other values on the drawing or related drawings.

How do I link dimensions between parts in Solidworks?

Linking Dimension Values Using Link Values

  1. Right-click the dimension and select Link Values.
  2. In the Shared Values dialog box, select or type a Name. In addition to the linked variable names you create, global variables are also available for selection under Name.
  3. Click OK.
  4. Repeat for as many dimensions as needed.

How do I use DimXpert in Solidworks?

To use DimXpert for parts:

  1. Open a part to dimension using DimXpert.
  2. Set the DimXpert options. Click Tools > Options > Document Properties, and set the various DimXpert options, such as Geometric Tolerance.
  3. Insert dimensions and geometric tolerances manually or automatically. Option. Description.
  4. Save the part.

What does REF mean on engineering drawings?

REFERENCE
REF on drawings is generally defined as REFERENCE. These dimensions are to be used as reference only.

Why are dimensions underlined?

The underline signifies that the dimension is not to scale.