• Press Brake Hemming Dies/Bending Machine Hemming Dies
  • Press Brake Hemming Dies/Bending Machine Hemming Dies
  • Press Brake Hemming Dies/Bending Machine Hemming Dies
  • Press Brake Hemming Dies/Bending Machine Hemming Dies
  • Press Brake Hemming Dies/Bending Machine Hemming Dies
  • Press Brake Hemming Dies/Bending Machine Hemming Dies

Press Brake Hemming Dies/Bending Machine Hemming Dies

After-sales Service: Quality Problems, Free Replacement
Warranty: 1000000 Bending Times
Application: Press Brake/Bending Machine
Material: 42CrMo=Scm440=42CrMo4=4140
Demoulding: Automatic
Surface Treatment: Heat Treatment
Samples:
US$ 50/Set 1 Set(Min.Order)
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Customization:
Gold Member Since 2006

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Manufacturer/Factory
  • Overview
  • Product Description
  • LEJIA PressBrake Tool Workshop
  • Packaging & Shipping
  • Related Products
  • LEJIA Clients
Overview

Basic Info.

Model NO.
LEJIA-Z1111
Using Hardness
>HRC45
Average Wall Thickness
>3mm
Mould Life
>1,000,000 shots
Certification
CE
Customized
Customized
Condition
New
Option
Black Coating
Shaping Mode
Forging Mould
Product Material
Steel
Type
Machine Parts, Bending Mold
Hardness
50-62
Precision
+-0.005mm
OEM
Acceptable
Transport Package
Standard Export Wooden Package
Specification
50mm, 100mm, 500mm, 515mm, 835mm
Trademark
LEJIA
Origin
China
HS Code
8207300090
Production Capacity
12000000PCS/Month

Product Description

 

Product Description

 

1).Available Press Brake Machines Brand Amada, Atlantic, Adira, Baykal, Beyler, Darley, EHT, Ermaksann, Durmazlar, Bystronic, Gasparini, Guifil, Haco,Imal, LVD Ivan, LVD, Mecos, Megobal, Promecam,Trumpfwila,Salvagnini, Safan, Weinbrenner,Yawei, Yangli,JFY,ACL,YSD,ZYMT,ADH,etc...
2).LEJIA Tooling Advantages Taking into consideration our clients wishes, every day we work to satisfy our clients' needs, to increase our product list and tools quality. 
√ LEJIA produce bending tools from high speed steel high quality steel(42CrMo=SCM440=42CrMo4=4140), working surfaces are preciously grounded, standard will be whole body Total Hardening, the hardness can reach HRC47;
√ We can do surface hardening on bending tools by Laser, the the hardness can reach HRC60.
√ LEJIA have  we have more than 20 years experience in bending tooling manufacturing.
√ LEJIA bending tooling factory has more than 300 people in total,  there are approx. 310 sets processing equipments for bending tools. Most processing equipments  from processing equipments from Japan and Europen;
√ LEJIA bending tool accuracy: Center Accuracy:±0.02mm, Parallel Accuracy:±0.02mm, Vertical Accuracy:±0.02mm
√ Every special bending tooling will be tested by our press brake machines and have the testing samples before sending to our clients.
3). TYPES OF PRESS BRAKE TOOLS Tools for press brake are considered "safety first", and dies with fall prevention grooves are now standard.
Typical punch clamp types ONE TOUCH TYPE / WITH SAFETY GROOVE
Bending edge shapes STANDARD PUNCH,GOOSENECK PUNCH,STRAIGHT PUNCH,SASH PUNCH,HEMMING PUNCH,THICK PLATE PUNCH
Press Brake Hemming Dies/Bending Machine Hemming Dies
Typical die types and mounting methods 1V Die, 2V Die, 4V Die
Press Brake Hemming Dies/Bending Machine Hemming Dies
 
4). TOOL LENGTH In the case of Amada type, there are 4 types such as standard types:
L = 835mm, S = 415mm, A section = 835mm and B section = 800mm
Press Brake Hemming Dies/Bending Machine Hemming Dies
 
5). HOW TO READ THE TONNAGE CHART
Check the tonnage chart before Bending.
The tonnage chart is always specified in the tool catalog, and is also displayed on the machine as a nameplate 
where it is easy to see. Basically, you can read the conditions other than pressure in the chart below.
Knowing this tonnage chart deeply or shallowly will make a big difference in worker safety and product finish.
It greatly affects machine specifications, tool selection, product accuracy and quality, so let's grasp the contents 
and use them for safe work. First of all, read the following contents from the chart below.
1: Minimum flange length (b) 
2: V-width (V-opening) of tool used for bending (V) 
3: Required tonnage to bend 1m long material (F)




[ Right figure, symbol of tonnage chart ] V=V-width (V-opening)
b=Minimum flange length
ir=Inner bend radius t=Material thickness
(Tensile strength 40~50kg/mm)
*Tensile strength for Stainless steel (Inox) 60~75kg/mm, Aluminum 25~45kg/mm
F=Pressure par meter (kN/m)
Press Brake Hemming Dies/Bending Machine Hemming Dies
The values in the tonnage chart are based on "bottoming" and "SS material", so the tensile strength etc. 
must be taken into account depending on the processing conditions.
The values in the tonnage chart are based on "bottoming" and "SS material", so the tensile strength etc. 
must be taken into account depending on the processing conditions.
6). MINIMUM FLANGE LENGTH
To complete the bending, the material must be on both shoulders of the die to the end.
The minimum flange length is expressed by the following formula based on 90° bending.
b=( V/2 ) x √2≒0.7V
Press Brake Hemming Dies/Bending Machine Hemming Dies
 
7). V width selection and basic setting of ir (inner R)
V-WIDTH
Bending Method
V-Width
Features
Bottoming
Material thickness
ecause of the bending process that is used most often, the patterns for V-grooves are also finely divided.
0.5 - 2.6
3.0 - 8.0
9.0 - 10
6×t
8×t
10×t
Partial Bending
12 - 15×t
Since an arbitrary angle bending is taken into consideration, the V-width is set so that bending accuracy is easily stabilized.
Approximately twice as much as bottoming.
Coining
5 - 6×t
The purpose is to reduce inner radius and reduce the amount of bite at the tip of the punch.
iR (inner radius)
Bending Method
iR (inner radius)
Features
Bottoming
≒V/6
Base values for maintaining safe and stable accuracy,  such as punch tip radius and spring-back amount.
Partial Bending
When high accuracy is required, use a bottoming type tool.
Coining
Care must be taken when using a bottoming die because iR increases and extra pressurization is required.

LEJIA PressBrake Tool Workshop

Press Brake Hemming Dies/Bending Machine Hemming Dies
 
Press Brake Hemming Dies/Bending Machine Hemming Dies
 

Packaging & Shipping

Press Brake Hemming Dies/Bending Machine Hemming Dies
 

Related Products

Press Brake Hemming Dies/Bending Machine Hemming Dies
 

LEJIA Clients

LEJIA have exported the products to Many countries in the world (Germany, Sweden, Hungary, Italy, Netherlands, Spain, Portugal, Czech Republic, Lithuania, Serbia, Greece, Malta, Austria, Kosovo, Turkey, Ukraine, Albania, Estonia, Belarus, Bulgaria, Bosnia, Croatia, Romania,USA, Japan,Brazil, Argentina, Mexico, Bolivia, Colombia, Canada, Peru, Chile, Australia, New Zealand, Rwanda, Egypt, South Africa, Tanzania, Nigeria, Botswana, Mauritius, Russia, Vietnam, India, Iran, Singapore, Uzbekistan, Thailand, Sri Lanka, Bangladesh, Malaysia, Kazakhstan, Philippines, Bahrain, Pakistan, United Arab Emirates, Kuwait, Saudi Arabia, Sudan, Jordan, Oman, Qatar, Israel, Yemen,Mongolia,Burma..)

Press Brake Hemming Dies/Bending Machine Hemming Dies


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