AHYW Yawei 200T6M CNC Press Brake 4 Axis DA58T DELEM Graphical controller China manufactures
China Yawei AHYW 6M 4 Axis CNC Press brake 160T metal bending machine manufactures
AHYW Yawei 160T 4 axis CNC Press brakes 20ft sheet bending machine made in china
FAQ: Do you Know how to select one press brake for your sheet metal bending project?
If you are consider buying a new press brake. Now you have the responsibility of developing the specifications and try to get the perfect machine for your investment. If you select the wrong machine, your manufacturing costs will escalate, and the press brake will not pay for itself as soon as it should. You need to double check the following items before you deciding which press brakes will you going for:
Metal Sheet Bending Workpieces
First, you need to consider the MAX metal bending parts factors, like metl material type, mild steel, stainless bending, high tensile strength bending, Bending parts length. etc.
Look at the type of material and also at the maximun thickness and length you will be bending or shaping . If most of your sheet bending 3mm mild steel with a maximum length of 10 feet, the capacity does not have to be more than 100 tons for air bending. However, if you do a lot of bottoming work, you may have to purchase 200T-250T press brakes.
Now, suppose that your heaviest material is 6mm black iron. Air bending 10 feet requires 165 tons and at least 600 tons for bottoming. If most of your work is 5 feet or less. The sheet bending length of the parts is quite important in determining the size of a new press brake.
Press brake Deflection Under loading
You need to consider the amount of deflection especially long tiem of full laoding. Under the same load, a 10-foot machine has four times the deflection in the bed and ram than a 5-foot machine. For the shorter machine, that is less shimming is required to get good parts. Less shimming reduces the setup time as well.
stainless steel bending increases the load requirement about 50 percent over that of mild steel, while most grades of soft aluminum require about 50 percent less. Sheet Bending Tonnage charts that give you tonnage estimates per foot of length in different thicknesses.
Inside Radius of Parts to be bending
For bottoming bending way , the tool set should be from 86 to 90 degrees. At the bottom of the stroke, there should be slightly more than metal thickness between the punch and die. The angularity is improved because the greater tonnage - - about four times as much as in air bending - - relieves the stress on the inside radius that normally causes springback. For air bending, the inside radius equals 0.156 times the die opening. During air bending, the die opening should be eight times the metal thickness with standard mild steel sheet bending applications.However, bottom bending requires about four times more tonnage than air bending does.
Sheet Metal Bending Accuracy
Required angular accuracy is a serious consideration. It is the accuracy of your bends that determines whether you need to consider a CNC press brake or NC controlled torsion bar press brake. If your angular accuracy is +/- 1 degree or less, and cannot be changed, you need to look at a CNC press brake.
The ram repeatability for a CNC press brake is +/- 0.0004 inch, which, with good tooling, is required to bending accurate angles, Also CNC press brake provides for faster setting up and quick bending parts done.
Press brake Tooling
For precision-ground tooling, the accuracy should be +/- 0.0004 inch per foot and not more than +/- 0.002 inch overall. Precision-ground tooling is recommended for CNC press brakes.
Sheet Metal Bending Flange Width
A factor that is overlooked often is the width of the flange when youa re looking for next press brake
If you are bending 90-degree angle along the edge of a 5-by-10-foot sheet of 10-gauge mild steel. The press brake would have to generate another 7.5 tons of pressure to lift the sheet.Press brake operators often have wide-flange parts to make and don't realize how much weight they are working with.
Rear IR or Laser guarding made for CE european cnc synchro press brakes 4 axis sheet metal bending
If you want to know more technical specifications for AHYW Yawei 4axis,6 axis&8 axis cnc press brake 160T6m DA66T or Italy ESA S640 6 axis cnc press brake with DSP MCS Laser safety guarding . Please email us.
3D Printing Press brake tooling, how it works?
3D printing opens still more options for customized press brake tooling, especially when using composite and strong resin material with printing methods that create tools to high dimensional accuracy. The tools’ tonnage ratings aren’t high enough to bending thick, high-strength plate, but they’re becoming a viable option for a range of standard sheet metal bending applications.
Using printed lower V-die inserts can achieve either specific part requirements or mar-free bending.3D printing also has been used to reduce the cost or increase the flexibility of a customized press brake tool set, especially one that forms multiple bends or parts at once.
3D printing has applications that go beyond the brake tools themselves. Printed customized gauges, however, can change the situation. They can be as simple as a gauge screwed onto the back of the tool body .And, of course, that sheath can be swapped out with other custom-printed sheaths that modify the side gauge as needed.
Top punch form tool mounted to an adapter on the press brake. It might be able to produce a small part quickly, but operators still need to retrieve the small formed part. This might take time. The operator might lose a few parts, and the pieces themselves might be a bit sharp and dangerous to handle.
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