Web site cnctechnic.com
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Dimitrios Sideris

hello we have an S400 cnc and it seems to have a 200 micron backlash. i.e. when you move it in one direction and then to the oposite direction the driver moves by 200 micron before the head starts moving again. is that something that can be corrected?


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CNC tube bending machines from cnc technic

Posted by on 25 Dec 2011 11:41 CNC For Bending
CNC tube bending machines from cnc technic. feature electrical servo-drives on all axes and are available in single and multistack versions.Multistack benders allow complex bending without tool change. If a multistack tool cannot be applied for stability reasons, an automated clamp die changing system that accommodates up to eight clamp dies is available.The machines feature programmable bending procedures and boosting by the transport carriage, including boosting in the pressure die area. This boosting reduces wall thinning at the outer bend and allows narrow bends. A radius of less than 1 x OD can be achieved.
Other features include an MMI Mulitcontrol 2020 system; TFT monitor; touchscreen; plausibility verification; XYZ coordinate recalculation into bending parameters; flexible programming; multitasking; and 3-D displays.is a process where metals is bent to an angle using, typically a V shaped punc and die. The sheet is placed between the punch and die which presses down on the sheet. CNC bending provides a low cost method to product 3D shapes from 2D sheets.CNC bending is a suitable for processing most ductile metals and primarily for sheet metal designs with one or more bends. Just a few examples of CNC bending applications are brackets, enclosures, cams, chassis, etc. There is generally no special tooling required for CNC bending, with the exception of intricate designs and special bends.Production environment:-Reduce the number of bends in design.-Design parts to pack efficiently. For example, in designing a large box consider making the sides of the box separate with bolted flanges.-Avoid complex bend combinations.-Avoid the cost of bending by adding slots in place of the bends and then bend manually. Such parts also have lower shipping costs and take less storage space. (To create the slots use a few thin rectangular cutouts in place of each bend line.)-Avoid odd angles.-Provide straight edges that are parallel to the bend.-CNC Bending Design Considerations-The minimum distance from the bend to the edge should be at least 4 times the material thickness plus the bending radius-Holes or slots should be located a minimum of 3 stock thickness plus the bend radius. If it is necessary to have holes closer, then the hole or slot should be extended beyond the bend line.

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The work on the machine, program selection, control programs
Well I guess I don't have to spend the wekneed figuring this one out!
Measurement and correction tools for milling
Absolutely first rate and copper-boottmed, gentlemen!
Robot Bending Machines
You've really ipmresesd me with that answer!

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