bend

Using a Hand Tube Bender



Sharing buttons:

Welcome to this Swagelok how-to video

here's what you'll need to bend tubing

using a Swagelok

hand tube bender

A hand tube bender corresponding to the tubing size

a piece of tubing

a marker

a protractor is optional

A Swagelok hand tube bender

can be used to make consistent

high quality bends in tubing

made from most materials

the hand tube bender bends one eighth (1/8)

one-quarter (1/4), five sixteenths (5/16)

three-eighths (3/8)

and half (1/2) inch

and three (3)

Six (6), eight (8), ten (10)

and twelve (12) millimeter outside diameter tubing in a variety of wall thicknesses

the wall thickness requirements for one-quarter (1/4) inch stainless steel tubing

to be bent

using the hand tube bender

Are a minimum of zero point zero two eight (0.028) inches

or zero point seven one millimeters (0.71)

and a maximum of zero point zero six five (0.065) inches

or one point six five (1.65) millimeters for a hand tube bender

with a bend radius of nine sixteenths (9/16) inches

the tubing must be

fully annealed, high-quality seamless or welded and drawn

meeting ASTM A269

or A213 or the equivalent

with a hardness of 90 HRB

or 200 HB

this hand tube bender can be used to form single, offset and other bends

we will go through the procedure to make a ninety (90) degree bend

four (4) inches from the end of the tube followed by a hundred eighty degree (180) bend

with four inches between bends

for the ninety (90) degree bend

first place a reference mark at the end of the tube from which you are

beginning the measurements

measure four (4) inches from the reference mark and make a bend mark to indicate the first

Desired bend length

swing the short handle up so it is above the bender die

open the tube latch

place the tube in the groove of the bender die

with the reference mark to the left of the tube latch

close the tube latch over the tube

this restricts movement of the tube

but still allows for additional alignment

carefully lower the short handle until the roll dies rest gently on the tube

while keeping the link straight and parallel to the long handle

note that premature bending may occur if the link is not straight and parallel to

the long handle

Align the zero on the roll support

with the zero on the name plate

with the reference end of the tube to the left of the latch

align the bend mark with the mark on the roll support

that corresponds to the bend angle

L corresponds to ninety (90) degrees

slowly pushed the short handle down until the zero (0) on the roll support

reaches the ninety (90) degree mark on the name plate

note that the tubing will spring back slightly after the bend has been

completed

to adjust for spring back

Lift the bender handle and repeat the alignment of the tubing with the roll

support

then measure the bend with the bender scale

and bend an additional two or three degrees as needed

after completing the bend, swing the short handle up and away from the tube

pull the tube latch off the tube

and remove the tube from the bender groove

verify the bend angle using a protractor, template

or against a known angle to ensure the desired bend angle has been achieved

now for the hundred and eighty (180) degree bend Make a second bend mark four (4) inches

from the vertex of the ninety (90) degree bend away from the reference mark

place a directional mark over the bend mark

to indicate the outside or heel

of the hundred and eighty (180) degree bend

This will help insure the bend is made in the intended direction

place the tube in the groove of the bender die

with the reference mark to the left of the tube latch

close the tube latch

over the tube

this restrict movement of the tube

but still allows for additional alignment

carefully lower the short handle until the roll dies rest gently on the tube

while keeping the link straight and parallel to the long handle

note that premature bending may occur if the link is not straight and parallel to

the long handle

align the zero (0) on the roll support with the zero (0) on the name plate

with the reference end of the tube to the left of the latch

align the bend mark with the mark on the roll support that corresponds to

the bend angle

L corresponds to ninety degrees

slowly push the short handle down

Until the zero (0) on the roll support reaches approximately ninety (90) degrees on

the name plate

loosen the short handle from the clevis until the short handle will swing without

moving the roll support

swing the short handle up

until it is slightly above perpendicular to the long handle

retighten the short handle

this will provide continuous right angle leverage for the rest of the bend

continue the bend until the zero (0) on the roll support reaches the hundred and

eighty (180) degree mark on the name plate

after completing the bend, swing the short handle away pausing when the zero (0) on

the roll support reaches approximately ninety (90) degrees

loosen the short handle

Move it until parallel with the long handle

then retighten the short handle

move the short handle up and away from the tube

pull the tube latch off the tube

and remove the tube away from the bender groove

Verify the bend angle using a template

or against a known angle

to ensure the desired bend angle has been achieved

refer to Swagelok.com and the product literature for additional

information

thank you for watching

we will continue to develop videos like this to help you get the job done

get more information by watching our other videos

or by contacting your authorized Swagelok sales and service center