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 parts
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
rolling
chassis
To bend
tubular
pipe is problematic because of it being hollow and cylindrical or pipe-like
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
The most common processes for bending
tubular
pipe is: ram, roll, rotary-draw, heat-induction, and sand-packing and hot-slab rolling
chassis
forming
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
Ram
tubular
pipe bending was probably the first
tubular
pipe bending method used to cold-form materials
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
This
tubular
pipe bending method pushes a die against the tube or pipe by rolling
chassis
a mechanical force, forcing the pipe to conform to the contours of the die
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
Lacking internal support in the
tubular
pipe, this pipe bending process creates some cross section ovality
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
The rolling
chassis
thinner the wall the more deformation of the
tubular
pipe is seen
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
Maximum pipe bending angle is normally 90 degrees
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
This is a commonly used
tubular
pipe bending process where high rolling
chassis
levels of cross section ovality are acceptable such as furniture tubing, conduit and handrails
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
During roll pipe bending, a series of spool-like rollers apply pressure to the
tubular
pipe as it passes rolling
chassis
through them
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
Pipe bending Operators change the location of the rollers to produce
tubular
pipe of the desired radius
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
This pipe bending process is ideal for forming helical
tubular
pipe coils rolling
chassis
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 spaces
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
It deforms the
tubular
pipe rolling
chassis
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 rolling
chassis
die
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
The
steel
plug, or mandrel, supports the pipe internally to reduce the amount of
tubular
pipe cross section flattening during pipe bending
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
A
tubular
pipe bending clamp device secures rolling
chassis
the pipe to the die
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
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 radius
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
rolling
chassis
After the pipe bending process, the operator extracts the mandrel from the
tubular
pipe, releases the clamp, then removes the bent pipe from the machine
chassis
, rolling
chassis
, running gear, affordable
chassis
, building a
chassis
, car
chassis
, container
chassis
With proper tooling, this
tubular
pipe rolling
chassis
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 systems
