1.
More Than Benders, We Provide Solutions
G Clef Bending Technology
Contact: Candy Xie
Mobile/Whatsapp: 0086 138 2676 8765
E-mail：candy.xie@g-cnc.com
www.g-cnc.com

2.
CONTENTS
Guangdong G Clef Bending Techonlogy Co., Ltd
About Us
What Can We Do For You?
Major Applications

3.
What Can We Do ForYou
?
Industrial Challenges
Solutions & Machines
Quality Components
G Clef CNC Control System
We Offer You

4.
Industrial Challenges
No complete guiding theory in
metal bendinging to date.
Consistent and stable output
with unstable input.
Software, techniques, hydraulic
controls necessary for
technology realisation.

5.
Industrial Challenges
Common
Defectives on
Bent Work Pieces
Flatness & Twist
Fractures
Concave &
Convex
Wrinkles
Radius
Deviation
Asymmetry

6.
Solutions - CNC Roller Bender
3 Points Defining A Circle
Deploy high pressure and high precision hydraulic closed loop
system. Repeating positioning accuracy up to 0.01mm
1 2D or 3D graphic input automatically generate output.
Highly skilled workers not a necessity.
2
Servo pump technology properly solves heating problem, which
is more energy-saving, cost-efficient and environmental-
friendly.
3
G -Clef own developed hardware and software. Lifetime update
free of charge.
4
5
Multi axis forming. Perfect solution to stable output with unstable
input.
Features

7.
Solutions - CNC Stretch Forming Machine
Features
Controllable µ grade precision achievable under high tonnage
capacity. Controllable strain ±10Kg.
1 In-time sensors detecting yield point automatically generate
stretching and forming movement path that is higly precise.
2
Servo pump technology properly solves heating problem,
which is more cost efficient and environmental friendly.
3
G -Clef own developed hardware and software that is
reliable and durable.
4

8.
Products
 Technical Data
Power, x-axis: 25 ton
Resolution & positioning, Y/Z-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1- 15rpm
Front rollers infinitely adjustable: 280 - 760mm
Tool holder φ: 80mm
Roller high: 330mm
Torque: 4188 N.m
Travel (controlled Y/Z-axis): 250mm/50mm
Hydraulic drive: 5.5KW
Roller drive, electrical: 4.4KW
Power supply: 380 V, 50 Hz, 28.7 A
Weight: 2500 kg
L*W*H: 2037mm*1300mm*2148mm
3D CNC Profile Roll Bending Machine

9.
Products
 Technical Data
Power, x-axis: 12 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1- 20rpm
Front rollers infinitely adjustable: 180 - 390mm
Tool holder φ: 50mm
Roller high: 180mm
Torque: 1700 N.m
Travel (controlled Y/Z-axis): 150mm/40mm
Hydraulic drive: 2.2KW
Roller drive, electrical: 3KW
Power supply: 380 V, 50 Hz, 16.3 A
Weight: 1100 kg
L*W*H: 1731mm*674mm*1670mm
3D CNC Profile Roll Bending Machine

10.
Products
 Technical Data
Power, x-axis: 25 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1- 15rpm
Front rollers infinitely adjustable: 280 - 760mm
Tool holder φ: 80mm
Roller high: 330mm
Torque: 4188 N.m
Travel (controlled Y-axis): 250mm
Hydraulic drive: 5.5KW
Roller drive, electrical: 4.4KW
Power supply: 380 V, 50 Hz, 28.7 A
Weight: 2300 kg
L*W*H: 2037mm*1300mm*2148mm
2D CNC Profile Roll Bending Machine

11.
Products
 Technical Data
Power, x-axis: 12 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1- 20rpm
Front rollers infinitely adjustable: 180 - 390mm
Tool holder φ: 50mm
Roller high: 180mm
Torque: 1700 N.m
Travel (controlled Y-axis): 150mm
Hydraulic drive: 2.2KW
Roller drive, electrical: 3KW
Power supply: 380 V, 50 Hz, 16.3 A
Weight: 1000 kg
L*W*H: 1731mm*674mm*1670mm
2D CNC Profile Roll Bending Machine

12.
Products
 Technical Data
Power, x-axis: 15 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1- 20rpm
Front rollers infinitely adjustable: 180 - 390mm
Tool holder φ: 60mm
Roller height: 180mm
Torque: 1700 N.m
Travel (controlled Y-axis): 150mm
Hydraulic drive: 2.2KW
Roller drive, electrical: 3KW
Power supply: 380 V, 50 Hz, 16.3 A
Weight: 1000 kg
L*W*H: 1731mm*674mm*1670mm
2D CNC Profile Roll Bending Machine

13.
Products
 Technical Data
Power, x-axis: 25 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1-14rpm
Front rollers infinitely adjustable: 362 - 762mm
Tool holder φ: 80mm
Roller high: 330mm
Torque: 4847 N.m
Travel (controlled Y-axis): 400mm
Hydraulic drive, electrical 3.7KW
Power supply: 380 V, 50 Hz, 26.8 A
Weight: 2600 kg
L*W*H: 2037mm*1300mm*1680mm
2D CNC Profile Roll Bending Machine

14.
Products
 Technical Data
Power, x-axis: 15 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1-14rpm
Front rollers infinitely adjustable: 258 - 518mm
Tool holder φ: 60mm/80mm (optional)
Roller high: 250mm
Torque: 2470 N.m
Travel (controlled Y-axis): 255mm
Hydraulic drive, electrical: 3KW
Power supply: 380 V, 50 Hz, 16.3 A/25 A
Weight: 1000 kg
L*W*H: 1249mm*1134mm*1432mm
2D CNC Profile Roll Bending Machine

15.
Products
 Technical Data
Power, x-axis: 40 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1-14rpm
Front rollers infinitely adjustable: 400 - 1100mm
Tool holder φ: 105mm
Roller high: 330mm
Torque: 4500 N.m
Travel (controlled Y-axis): 500mm
Hydraulic drive, electrical: 5.5KW
Power supply: 380 V, 50 Hz, 52 A
Weight: 3000 kg
L*W*H: 1855mm*1630mm*1748mm
2D CNC Profile Roll Bending Machine

16.
Products
 Technical Data
Power, x-axis: 15 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1- 20rpm
Tool holder φ: 60mm
Roller high: 140mm
Torque: 2460 N.m
Travel (controlled Y-axis): 150mm
Hydraulic drive: 2.2KW
Roller drive, electrical: 3KW
Power supply: 380 V, 50 Hz, 16.3A
Weight: 1200 kg
L*W*H: 1541mm*773mm*1250mm
2D CNC Profile Roll Bending Machine

17.
Products
 Technical Data
Power, x-axis: 25 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1- 11rpm
Tool holder φ: 100mm
Roller high: 220mm
Torque: 5510 N.m
Hydraulic drive: 15KW
Power supply: 380 V, 50 Hz
Weight: 4800 kg
L*W*H: 2700mm*2200mm*2200mm
25 Ton 3D CNC Profile Roll Bending
Machine

18.
Products
 Technical Data
Power, x-axis: 10 ton
Resolution & positioning, Y-axis: 0.01mm
3 individually driven rollers, infinitely variable: 1- 20rpm
Tool holder φ: 40mm
Roller high: 80mm
Torque: 1460 N.m
Hydraulic drive: 2.2KW
Power supply: 380 V, 50 Hz
Weight: 1500 kg
L*W*H: 1790mm*1250mm*1160mm
2D CNC Profile Roll Bending Machine

19.
Products
Car Front & Rear Bumper Bending Machine

20.
Products
Stretch forming specially for Car Roof Rails, Window frame, etc.

21.
Products
Stretching forming machine for general purpose (Available in 120T, 75T, 55T, 35T,

22.
G Clef CNC Control System
Features
1 15 inch touch screen. Graphic input and user-friendly
interface. Highly skilled operator not a necessity.
G Clef core algorithm, big data processing.
Compatible seamlessly with office OS. Multiple language options.
2
3
Insensitive to thickness variations and materials variations.4
1

23.
Quality Components
Quality Components
Our profile bending machines and stretch forming machines use PLC and GTAKE servo
frequency inverter. All components are so chosen that they are relieble and durable
through years of services.

24.
We Offer You
Feasibility study of concept design related to curved structures;
Engineering & design of bending/forming machines;
Prototyping of bending parts;
Design & manufacture of special tools;
Manufacture, assembly & commissioning;
Instructions & Trainning;
CNC system and software developement;
Service & maintenance.
In addition, we take on roller bending and stretch forming fabrication works.
You may ask for our pamphlet of fabrication works for more info.

25.
MajorApplications
In General
Automotive
Facade Works
Locomotive
Aerospace
Escalator

26.
In General

27.
Automotive

28.
Facade Works
Morpheus Hotel by Zaha Hadid Architects

29.
Locomotive

30.
Aerospace

31.
About Us
Core Values
Mission & Vision
Company Profiles
Prominent Clients
Certificates
G-Clef Intellectual Properties
Factories

32.
Our Core Values
Endeavor &
Enthusiasm
No
Shortcut
Trust-
worthy
We are enthusiasitic about
metalforming solutions and
endeavoring to advance in
techincal innovations.
No shortcut to technical
advancement or any of our
achievements. Only with
commitment and devotion
that reward us in return.
We win client's trust and gain
their confidence with our
unremitting commitment to
roller bending & stretch forming
solutions.
Core
Values

33.
Our Mission & Vision
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Make Imaginative Curves A Reality!
More than Benders, We Provide Solutions!

34.
Company Profile
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G Clef Mechanical Technology Co., Ltd is a
Chinese official accredited hi-tech company
committed to cold roll bending and cold stretch
forming solutions and machinery manufacturing.
We take great pride in our own intellectual
properties and technical dominance that is
second to none in China. And there are very few
can be our competitors on a world stage too!

35.
Prominent Clients
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36.
ISO 9001:2015 QMS

37.
CE Certificates

38.
G Clef Intellectual Properties
We are innovating constantly our hardware and control systems that distinguish us from other
competitors. More than 100 patents we have already obtained and we will never be stopping!

39.
Factories
We have 3 facilities separately located in Guangzhou, Foshan, and Dongguan, total coverage
over 30,000 ㎡.
FOSHAN
A well facilitated
manufacturing base covers
18000㎡. Stringent control o
n high precision parts machi
ning and machinery assembl
y.
GUANGZHOU
A facility covers 8000㎡ focu
sed on R&D, and machinery
assembly & calibration.
DONGGUAN
A production base processin
g different kinds of bent mat
erials improving techniques t
o meet industrial challenges.

40.
A Glimpse of Our Factories

41.
Distributors Wanted
We already have partners in South Korea, Malaysia and Indonesia, and we are actively looking f
or further partners/distributors in various countries and markets. If you want to expand your prod
uct ranges or try to reach a new market, G Clef Bending Technology may be the reliable partner f
or you. We will offer superior quality CNC benders and solutions at competitive prices, providing
profitable margins for our partners.
If you are interested in becoming one of G Clef Bending Technology distributors, please contact
me candy.xie@g-cnc.com.
Thank you for your interests in the distributions of our products and joining our global team!

42.
THANK YOU
Contact: Candy Xie
Mobile/Whatsapp: 0086 138 2676 8765
E-mail：candy.xie@g-cnc.com