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Introduction of bending tools and points of attention when formulating bending technology:

Views:18     Author:Durmapress     Publish Time: 2020-06-07      Origin:Durmapress Inquire

Introduction of bending tools and points of attention when formulating bending technology:

1. Classification of bending tools:

1. Upper die:

Tooling Type Function and Usage
Straight knifeProcessing angles greater than or equal to 90°
Gooseneck Knife 
Processing angles greater than or equal to 90°
Acute Knife Processing angles greater than or equal to 30°

Gooseneck Knife

2. Down Die 

Tooling Type 

Main Usage 

Singe V Die 1. When the V-shaped angle is equal to 88° (reference value), it can be bent equal to or greater than 90°Angle;
Double V Die1. When the V-shaped angle is equal to 88° (reference value), it can be bent equal to or greater than 30°Angle;

Press Brake Single V die and Double V die

3. The division of the bending tool:

Under normal circumstances, the standard length of the tool (upper and lower die) is 835mm; to facilitate the bending of different lengths, the entire tool is often divided

The following paragraphs: 10+15+20+40+50+ 100+ 100+200+300=835mm

4. The relationship between the thickness of the plate and the width of the lower die groove (generally the groove width is 6 times the thickness of the plate):

Plate Thickness Below 0.6mm 1.0mm1.2mm1.5mm2.0mm2.5mm3mm
Lower die Slot width46810121618

In special cases, if you want to use small slot bending, you should increase 0.2mm per knife.

5.Minimum bendable size (bending size including plate thickness):

General minimum bendable size: L-shaped groove width / 2+ plate thickness

Z type

Slot width/2+2*board thickness

Reference:

Material ThicknessBelow 0.61.01.21.52.02.53.0
L Shape Min. Bending Size44.556810.512
Z Shape Min. Bending Size55.568101315

Press Brake Bending Shape

                                                   L Shape Min. Bending Size                                                                                               Z Shape Min. Bending Size 

6. U-shaped bending:

The U-shaped bend should use a machete. At present, our commonly used machete is divided into small, medium and large:

U-Shaped Bending

7. U-shaped bending size range 

U-shaped bending size range

U shaped Bending

Note: A dimension is the thickness dimension without material






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