Bender 51

Bending machine universal pneumatic, model 51

Bending machine is oriented:

Mandrel and without mandrel
bending of tubes (pipes)

and profiles

High quality bends in 3 axes
by coiling method

Abilities of bending machine

3 axes control (A;L;R)
Saves form of tube section in place of bend

Diagram of dependence of bending radiuses (CLR) from external tube diameter and walls thickness

Bending machine allow to make bend in range of bending
radiuses values, located under line of wall thickness of
tube (S)

Notation conventions
D - external tube diameter, mm
S - tube wall thickness, mm
CLR - bending radius

Positioning Device

Clamp of tube (pipe) end by
lathe chuck.

Allows to change bending
plate (Tube rotation in
space, axis R) and
exactly fix straight piece
size between bends
(axis L)

Tooling for bending machine

For mandrel bending
by coiling method

Consist of 4 elements:

Former
Clamp
Pressure die
Mandrel

Bending machine technical data

Maximum tube (pipe) diameter, mm
Steel	40
Aluminium, brass, copper	60
CLR, мм	27-170
CLR min.	1,5 D
Bending angle, degrees	0-180
Accuracy
Bending angle (A), degrees	0,5
Tube advance (L), mm	0,5
Tube space rotation angle (R), degrees	2,5
Probability of parts repetition, %	99
Time of one bend, sec.	4-10
Space tube rotation (R)	Semiautomatic
Advance up to next bend (L)	Semiautomatic
Clamp	Automatic
Synchronization of position table in bending axis	Automatic
Mandrel moving	Automatic
Return in bend starting position	Automatic
Mandrel lubrication	Automatic
Programmed by rests (single volume of memory) in axes
А	6
L (on running meter)	10
R	6
Productivity, bends / hour
Work with whole tube	100-150
Work with billet	200 и более
Energy - compressed air, kg/ sm?	6-8
LxHxB, mm	1700x1100x760
Weigh, kg	450

Basic complete set of bending machine

Bending machine
Automatic tube clamp
Mandrel lubrication system
Mandrel moving system
Position table 5 m
Packing
Operating manual
Training to Customer's personnel

Advanced options for bending machine

Modification (decrease or extension) of position table length
Delivery of tooling
Delivery of compressor 500 liters /min, receiver 200 liters
Machine and tooling modification for bending without straight
pieces between bends
Bending of M- type parts
Extension of quantity of mechanical memory rests
Setting of mechanism for bending tubes by rolling method
machine adaptation for production of specific parts (more
freedom for bend tube movement)
Setting of cutting device