U.S. Seat detail (1048)

U.S. Seat detail (1048) creates an angle seat on a column. You can then use the seat to connect a beam to the column. The beams and columns can be rotated and skewed.

Objects created

Angle seat
Stiffeners
Bolts
Welds

Use for


Situation	Description
	Angle seat with a stiffener. Bolted to the main part and through the seat.
	Angle seats with stiffeners. Bolted to the main part and created at a given distance apart.

Selection order

Select the main part (column).
Pick a position.

The detail is created automatically when you pick the position.

Part identification key


	Description
1	Angle seat

Picture tab

Use the Picture tab to define the dimensions.

Dimensions


	Description
1	Horizontal seat offset from the column
2	Length of the seat


	Description
1	Vertical seat offset from the column
2	Seat offset from the main part

Parts tab

Use the Parts tab to define the part properties.

Parts


Option	Description	Default
Stiffeners	Thickness, width, and height of the stiffeners	The default values for the height and width are based on the seat profile dimensions. The default stiffener thickness is `¼”` or `6 mm` depending on whether metric or imperial units are used in the model.
Seat profile	Select the profile from the profile catalog.	The default seat profile for straight beams is a `6”x 4”x ½”` angle.


Option	Description	Default
Pos_No	Prefix and start number for the part position number. Some components have a second row of fields where you can enter the assembly position number.	The default part start number is defined in the Components settings in File menu > Settings > Options.
Material	Material grade.	The default material is defined in the Part material box in the Components settings in File menu > Settings > Options.
Name	Name that is shown in drawings and reports.

Parameters tab

Use the Parameters tab to define the seat sides, position, and orientation, and stiffener position, shape, and chamfering.

Seat sides


Option	Description
Seat side	Define on which side of the column the seat is created. The sides are numbered counter-clockwise, with the connection symbol pointing toward side 1. To create seats on sides 1, 2 , and 4 of the column, enter “1 2 4” in the box. By default, the seat is created on side 1.

Stiffener positions


Option	Description
	Default Stiffener is not placed on the seat. AutoDefaults can change this option.
	Stiffener is not placed on the seat.
	Stiffener is placed on the right side.
	Stiffener is placed in the middle.
	Stiffener is placed on the left side.

Stiffener shape


Option	Description
	Default Rectangular stiffener AutoDefaults can change this option.
	Rectangular stiffener
	Triangular stiffener

Stiffener offsets


	Description
1	Offset of the end stiffeners from the seat ends
2	Offset of the middle stiffener from the seat center line

Stiffener chamfer dimensions


	Description
1	Horizontal chamfer dimension
2	Vertical chamfer dimension

Chamfer type


Option	Description
	Default Line chamfer AutoDefaults can change this option.
	Line chamfer
	Convex chamfer
	Concave chamfer

Seat orientation

Define the seat orientation. For example, if the seat is an angle with uneven legs, the default option for non-vertically skewed beams places the longest leg of the angle parallel with the beam, and the shortest leg parallel with the column.


Option	Description
	Default Standard seat, not rotated AutoDefaults can change this option.
	Standard seat, not rotated
	Seat is rotated.

Seat to column


Option	Description
	Default Seat is welded to the column. AutoDefaults can change this option.
	Seat is welded to the column.
	Seat is bolted to the column.

Seat position



	Default Seat is created at the bottom of the point. AutoDefaults can change this option.
	Seat is created at the bottom of the point.
	Seat is created at the top of the point.
	Seat is created both at the top and at the bottom of the point.

Bolts tab

Use the Bolts tab to define bolt group dimensions and bolt properties.

Bolt group dimensions


	Description
1	Dimension for vertical bolt group position.
2	Bolt edge distance. Edge distance is the distance from the center of a bolt to the edge of the part.
3	Number of bolts.
4	Bolt spacing. Use a space to separate bolt spacing values. Enter a value for each space between bolts. For example, if there are 3 bolts, enter 2 values.
5	Dimension for horizontal bolt group position.
6	Select how to measure the dimensions for vertical bolt group position. Top: From the upper edge of the secondary part to the uppermost bolt. Middle: From the center line of the bolts to the center line of the secondary part. Below: From the lower edge of the secondary part to the lowest bolt.
7	Select how to measure the dimensions for horizontal bolt group position. Left: From the left edge of the secondary part to the leftmost bolt. Middle: From the center line of the secondary part to the center line of the bolts. Right: From the right edge of the secondary part to the rightmost bolt.

Bolt basic properties


Option	Description	Default
Bolt size	Bolt diameter.	Available sizes are defined in the bolt assembly catalog.
Bolt standard	Bolt standard to be used inside the component.	Available standards are defined in the bolt assembly catalog.
Tolerance	Gap between the bolt and the hole.
Thread in mat	Defines whether the thread may be within the bolted parts when bolts are used with a shaft. This has no effect when full-threaded bolts are used.	`Yes`
Site/Workshop	Location where the bolts should be attached.	`Site`

Slotted holes

You can define slotted, oversized, or tapped holes.


Option	Description	Default
1	Vertical dimension of slotted hole.	`0`, which results in a round hole.
2	Horizontal dimension of slotted hole, or allowance for oversized holes.	`0`, which results in a round hole.
Hole type	Slotted creates slotted holes. Oversized creates oversized holes. No hole does not create holes. Tapped creates tapped holes.
Rotate Slots	When the hole type is Slotted, this option rotates the slotted holes.
Slots in	Part(s) in which slotted holes are created. The options depend on the component in question.

Bolt assembly

The selected check boxes define which component objects (bolt, washers, and nuts) are used in the bolt assembly.

If you want to create a hole only, clear all the check boxes.

To modify the bolt assembly in an existing component, select the Effect in modify check box and click Modify.

Bolt length increase

Define how much the bolt length is increased. Use this option when, for example, painting requires the bolt length to be increased.

General tab

Click the link below to find out more:

General tab

Analysis tab

Click the link below to find out more:

Analysis tab

Welds

Click the link below to find out more:

Create welds