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| Type: | Rolling Machine |
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CNC Hydraulic 4 Roll Double Pinch Plate Rolls for Pipe and Tube Bending
4 roll plate rolls are the best metal fabrication equipment that form and shape sheets into curved, cylindrical and conical shapes. The four roller sheet metal rolling machine provides greater roller pinching and rolling force to let flat ends shorter and higher productivity, The cnc hydraulic double pinch pipe and tube bending rolls can work with carbon steel, stainless steel, aluminum, and most plate materials. If you are looking for high performance of the highest level, come to us to get best proposals.
This four roll plate bending rolls are recognized worldwide as the fastest, safest, most precise and easy to use plate roll available in the all range. This is a fully hydraulic 4-roll bending machine with pre-bending. Rolls length up to 6.000mm, plate thickness up to 150 mm
This Advanced Design Has The Following Benefits Such As:
(1) Plate is introduced horizontally (and not tilted as on the three roll double pinch)
(2) Plate is squared instantly against the back roll (reducing risk of a mis-matched end condition of the part)
(3) Requires space only on one side of the machine, where the plate is introduced to the machine
(4) Greatly reduced flat-end (due to better pre-bending) thanks to the clamping roll that can take the edge to the precise tangent points of the top and bottom rolls
(5) It is the fastest machine to roll a can, as it would require only one position for each side bending roll
(6) The entire cylinder can be finished in only one pass (within a suitable capacity), including pre-bending of the edges
* No need to pre-bend both ends before starting to roll the entire cylinder, as required with a 3 roll
* No need to remove, turn and re-insert the plate as on a 3 roll single pinch
(7) The four roll could be even 50-80% faster and more productive than any style three roll
(8) The most suitable for CNC operation, as the plate is under a better control, clamped between the top and bottom rolls, until the part is finished
The Four Roll Design Is Recommend For Clients Who:
1. Wish to operate through CNC, with less dependence on operator skills
2. Look for more steady quality of the rolled products.
3. Look for high productivity, and increased profits.
4. Require good accuracy and quality improvements.
5. Need handling equipment for larger plates, who are also concerned for production or safety reasons.
6. Are new to plate rolling, as it is the easiest plate roll to operate. 
1. Extremely robust structure machined with CNC control machines
2. Two hydraulic motors coupled to planetary gear units for the rotation of the two central rolls
3. Hardened rolls / Hardened and polished rolls
4. Separate control desk on wheels
5. Hydraulic opening of shoulder by control desk
6. Hydraulic inclination of lateral rolls for conical bending directly from control desk
7. Numerical control for automatic production
8. Movements of rolls on swing guides to reduce flat part
9. It can be used to roll tubes, tube segments, rounded boxes, ovals or other shapes.
10. Rolls rotation on high resistance selfaligning bearings
11. Rolls Cambering: know how variable cambering to avoid reel and barrel effect to increase bending performance and precision
(1) How long is the service life of your product?
It depend on the worker skills and experience and working hours every day, if do normal maintenence for the rolling machine under instruction, its life can upto 10 years. and we need to see the working plan every day, if working 12 hours even more, that will effect the service life.
(2) What are the specific categories of your products?
We have main 3 kinds of roll bending machine, Mechanical 3 roller, hydraulic 3 roller with prebending and hydraulic 4 roller with pre bending.
(3) What are the specifications and styles of existing products?
We have light and heavy types rolling machine, thickness from 6-150mm, width 1000-12000mm, and we can make special machine as per customer special request, for example, smaller rolling diameter, special application like oil pipe, wind tower, loader etc.
Our plate rolling equipment, skilled workers and proven techniques are combined to produce light and heavy wall rolled and welded cylinders, and segments of consistent roundness and quality.
Typically, we custom roll form cylinders cold. However, we have the ability to hot form as required. Many steel plates need to be hot formed to prevent material fracture due to the high ratio between the thickness of the material and the diameter being formed. Our sales representatives can advise you concerning your requirements.
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