Subject = engineering Description = Harley Engineering specialise in the design, manufacture and installation of welded and fabricated sheet metal products. Category = engineering
requirements beyond their capacity, or to improve operation by moving forward pre-
product
ion processing
tubular
pipe
steel
supplies first-step processing, semi-finished parts, or finished partssheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
sheet
metal
pattern tools To bend
tubular
pipe is problematic because of it being hollow and cylindrical or pipe-likesheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
The most common processes for bending
tubular
pipe is: ram, roll, rotary-draw, heat-induction, and sand-packing and hot-slab sheet
metal
pattern tools formingsheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
Ram
tubular
pipe bending was probably the first
tubular
pipe bending method used to cold-form materialssheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
This
tubular
pipe bending method pushes a die against the tube or pipe by sheet
metal
pattern tools a mechanical force, forcing the pipe to conform to the contours of the diesheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
Lacking internal support in the
tubular
pipe, this pipe bending process creates some cross section ovalitysheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
The sheet
metal
pattern tools thinner the wall the more deformation of the
tubular
pipe is seensheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
Maximum pipe bending angle is normally 90 degreessheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
This is a commonly used
tubular
pipe bending process where high sheet
metal
pattern tools levels of cross section ovality are acceptable such as furniture tubing, conduit and handrailssheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
During roll pipe bending, a series of spool-like rollers apply pressure to the
tubular
pipe as it passes sheet
metal
pattern tools through themsheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
Pipe bending Operators change the location of the rollers to produce
tubular
pipe of the desired radiussheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
This pipe bending process is ideal for forming helical
tubular
pipe coils sheet
metal
pattern tools for heat transfer applications as well as long sweeping sections such as those used in
steel
construction-curved trusses and roof components for structures requiring large open spacessheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
It deforms the
tubular
pipe sheet
metal
pattern tools cross section very little for such sweeping sections.Using rotary-draw pipe bending machines, a
steel
plug fits inside the
tubular
pipe while a rotating
steel
die forms the pipe to the radius of the sheet
metal
pattern tools diesheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
The
steel
plug, or mandrel, supports the pipe internally to reduce the amount of
tubular
pipe cross section flattening during pipe bending sheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
A
tubular
pipe bending clamp device secures sheet
metal
pattern tools the pipe to the diesheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
The
tubular
pipe bending machine rotates the die to the desired bend angle as a sliding pressure die forces the pipe to conform to the die radiussheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
worksheet
metal
pattern tools
After the pipe bending process, the operator extracts the mandrel from the
tubular
pipe, releases the clamp, then removes the bent pipe from the machinesheet
metal
, sheet
metal
pattern tools, benders for sheet
metal
, bending sheet
metal
, galvanised sheet
metal
, galvanized sheet
metal
, linear sheet
metal
fixturing, precision sheet
metal
, subcontract sheet
metal
, subcontract sheet
metal
work
With proper tooling, this
tubular
pipe sheet
metal
pattern tools bending process is capable of producing high quality, tight-radius bends for a wide range of applications including football goalposts, davit arms and pneumatic conveying systemssheet
