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# Butt weld geometry

This engineering drawing shows different types of geometry of butt welds.
"Welds can be geometrically prepared in many different ways. The five basic types of weld joints are the butt joint, lap joint, corner joint, edge joint, and T-joint (a variant of this last is the cruciform joint). Other variations exist as well - for example, double-V preparation joints are characterized by the two pieces of material each tapering to a single center point at one-half their height. Single-U and double-U preparation joints are also fairly common - instead of having straight edges like the single-V and double-V preparation joints, they are curved, forming the shape of a U. Lap joints are also commonly more than two pieces thick - depending on the process used and the thickness of the material, many pieces can be welded together in a lap joint geometry." [Welding. Wikipedia]
This engineering drawing example was redesigned using the ConceptDraw PRO diagramming and vector drawing software from the Wikimedia Commons file: Butt Weld Geometry.GIF.
[commons.wikimedia.org/ wiki/ File:Butt_ Weld_ Geometry.GIF]
The engineering drawing example "Butt weld geometry" is included in the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Welding joint diagram
Used Solutions

## Butt weld geometry

The vector stencils library "Welding" contains 38 welding joint symbols to identify fillets, contours, resistance seams, grooves, surfacing, and backing.
Use it to indicate welding operations on working drawings in the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-mechanical
Text block
Fillet
Slot / plug
Stud
Resistance seam
Backing
Surfacing
Flange corner
Flange edge
Square groove
V-groove
Bevel groove
U-groove
J-groove
Flare V groove
Flare bevel groove
Scarf
Melt through weld
Field weld
Backing / spacer
Insert
Arrow with bend
Arrow with bend, tail
Arrow with bend, circle
Arrow with bend, circle, tail
Arrow
Arrow, tail
Arrow, circle
Arrow, circle, tail
Spot
Projection weld
Contour, concave
Contour, convex
Contour, flush
Contour angled, concave
Contour angled, convex
Contour angled, flush
Square butt weld
Closed square butt weld
Single-bevel butt weld
Double-bevel butt weld
Single-V butt weld
Double-V butt weld
Single-J butt weld
Double-J butt weld
Single-U butt weld
Double-U butt weld
Flange butt weld
Tee butt weld
Flare butt weld
Square butt joint
Single V preparation joint
Lap joint
T-joint
Butt weld
Butt weld, single-V
Bilateral lap weld
Tee weld
Angular weld
Mechanical weld
Used Solutions

## Butt weld geometry

"A welding joint is a point or edge where two or more pieces of metal or plastic are joined together. They are formed by welding two or more workpieces (metal or plastic) according to a particular geometry. Five types of joints referred to by the American Welding Society: butt, corner, edge, lap, and tee. These configurations may have various configurations at the joint where actual welding can occur." [Welding joint. Wikipedia]
The engineering drawing example "Welded joints types" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Welding joints
Used Solutions

## Butt weld geometry

The vector stencils library "Welding" contains 38 welding joint symbols to identify fillets, contours, resistance seams, grooves, surfacing, and backing.
Use it to indicate welding operations on working drawings.
"Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material (the weld pool) that cools to become a strong joint, with pressure sometimes used in conjunction with heat, or by itself, to produce the weld. This is in contrast with soldering and brazing, which involve melting a lower-melting-point material between the workpieces to form a bond between them, without melting the workpieces.
Many different energy sources can be used for welding, including a gas flame, an electric arc, a laser, an electron beam, friction, and ultrasound.
Welds can be geometrically prepared in many different ways. The five basic types of weld joints are the butt joint, lap joint, corner joint, edge joint, and T-joint (a variant of this last is the cruciform joint). Other variations exist as well - for example, double-V preparation joints are characterized by the two pieces of material each tapering to a single center point at one-half their height. Single-U and double-U preparation joints are also fairly common - instead of having straight edges like the single-V and double-V preparation joints, they are curved, forming the shape of a U. Lap joints are also commonly more than two pieces thick - depending on the process used and the thickness of the material, many pieces can be welded together in a lap joint geometry." [Welding. Wikipedia]
The shapes example "Design elements - Welding" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Mechanical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Welding joint symbols
Used Solutions

## Mechanical Engineering

This solution extends ConceptDraw PRO v.9 mechanical drawing software (or later) with samples of mechanical drawing symbols, templates and libraries of design elements, for help when drafting mechanical engineering drawings, or parts, assembly, pneumatic,

## Butt weld geometry

The vector stencils library "Valves and fittings" contains 104 symbols of valve components.
Use these icons for drawing industrial piping systems; process, vacuum, and fluids piping; hydraulics piping; air and gas piping; materials distribution; and liquid transfer systems in the ConceptDraw PRO software extended with the Chemical and Process Engineering solution from the Chemical and Process Engineering area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ engineering-chemical-process
Electrically bonded
Bursting disc
Flame arrester
Strainer
Separator
Exhaust silencer
Bell mouth
Hydrant
Drain silencer
Liquid seal open/closed
Y strainer
Gate valve
Globe valve
Globe valve 2
Globe valve 3
Screw-down valve
Lock-shield valve
Reel valve
Check valve
Check valve 2
Check valve 3
Screw-down check valve
Stop check valve
Diaphragm valve
Diaphragm valve 2
Diaphragm valve 3
Powered valve
Powered valve 2
Powered valve 3
Needle valve
Needle valve 2
Needle valve 3
Relief valve
Relief valve 2
Relief valve 3
Angle valve
Angle valve 2
Angle valve 3
Angle valve 4
Float operated valve
Float operated valve 2
Flanged valve
Butterfly valve
Butterfly valve 2
Wedge gate valve
Parallel slide valve
Ball valve
Ball valve 2
Ball valve 3
Relief angle valve vacuum
Relief angle valve pressure
Reducing valve
Reducing valve 2
Plug valve 3 way
Plug valve L point
Plug valve 2
Plug valve
Plug valve straight through
Plug valve T point
3-way plug valve
3-way plug valve 2
3-way plug valve 3
Mixing valve
Valve Manifold
Characterized port valve
Reducer
Reducer 2
General joint
Butt weld
Butt weld 2
Butt weld 3
Butt weld 4
Flanged/ bolted
Soldered / solvent
Soldered / solvent 2
Screwed joint
Screwed joint 2
Screwed joint 3
Socket and spigot
Socket and spigot 2
Socket and spigot 3
Sleeve
Sleeve 2
Screwed sleeve
Screwed sleeve 2
Socket weld
Socket weld 2
Swivel joint
Swivel joint 2
Swivel joint 3
End cap
End cap butt welded
End cap screwed
End cap socket and spigot
End cap fillet welded
End cap screwed and plugged
End cap quick release
End cap flanged and bolted
End cap flanged and bolted 2
Electrically insulated
Tundish
Syphon drain
Open vent
Used Solutions