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  1. Home
  2. Energy chains
  3. Types
  4. Rotary movement
  5. Selection of the right twisterchain new

General

twisterchain generally applicable.

In the case of machines that travel in a circular movement both to the left and to the light, the total angle of rotation is calculated by adding the two angles.
 
Legend
B = Outer limit
C = Machine
D = Fixed end
E = Upper limit
AR= Outer radius of chain
IR = Inner radius of chain
R = Bend radius chain
X1 = Inner machine limit
X2 = Outer radius of chain incl. free space
T = Pitch
HF = Chain height incl. 50mm free space
H = Chain height
K = Supplement for bend radius
hi = Inner height of the chain
ha = Outer height of the chain
α = angle of rotation

Notes on the design of the twisterchain new by means of an example:

If you would like us to carry out the project planning for you, please contact igus®. If you would like to specify the e-chain® and trough yourself, please work through the following items and enter the results in the calculation assistant at the end of the chapter.

1. Selection of series and determination of chain width - customer data, for instance:

  • Available installation space outer radius = 592 mm
  • Available installation space inner radius = 311 mm
  • α Angle of rotation = 220°
  • Clearance height = 466 mm
  • Max. Ø cable customer = 22 mm (7.5xd)

Estimate the dimensions of the chain by means of the interior separation with filling and select the series or check the max. cable diameter and select the series using the next greater permissible Ø. (We recommend that, for the inner height, you take into account a cable clearance of approx. 20% of the chain's inner height and width.)
 
Max. Ø cable diameter twisterchain: TC32 = 28 mm | TC42 = 38 mm | TC56 = 50 mm Example: max. Ø cable diameter customer 22 mm = Series TC32 (next larger)

2. Selection of outer radius AR

Select the next smaller X2 of the chain from the available installation space of the outer radius. Please subtract 80 mm from the dimension X2 to obtain the required outer radius AR. For selection of the outer chain radius, see table dimension X2 of the corresponding series.
 
Formula: AR = X2 - 80 mm
 
Example:
1. Available installation space for outer radius 592 mm => 580 mm (X2)
2. X2 580 mm - 80 mm => AR 500mm (next smaller one selected)

3. Selection of inner radius IR

Add the addition of 25 mm to the available installation space of the inner radius and then select the next larger X1 of the chain. The maximum width Bi results from the selected value. Selection from the table of the corresponding series.

Formula: IRmin. = X1 + 25 mm

Example:
Available installation space of inner radius 311 mm + 25 mm = 336 mm => X1 350 mm = Bi 11 (108 mm)

4. Determine bending radius R

In principle, the chain bend radius R is determined by the smallest bend radius of the cables. Selection from the table of the corresponding series.
 
Example:
1. Ø 22 mm (7.5xd) => 22 mm x 7.5 = 165 mm cable bend radius min.
2. 165 =>R 175 mm (next larger one selected) results in => part number TC32.11.175/500

5. Determine required installation height H

An extra 170 mm is added to double the value of the selected chain bend radius R.
 
Example:
R 175 mm x 2 + 170 mm = H 520 mm

6. Calculate required number of links n

Note: The resulting number of links always has to be rounded up. The mounting brackets can be mounted only to the outer links of the twisterchain new. For this reason, the number of links must always be rounded up to the next odd number! Generally applicable for twisterchain new:In the case of machine elements that travel in a circular movement both to the left and to the light, the total angle of rotation is calculated by adding the two angles.

Suggestions for the layout of the twisterchain new without additional components

SeriesARFZmax. [kg/m]FZmax. [kg/m]v to ARa to AR
 [mm]α0°- 180°α180°- 360°permissible [m/s]max. [m/s2]
TC324004212
 5004212
 6004212
 
TC4240063,612
 50063,612
 60063,612
 65052,711,5
 75041,811
 85041,811
 
TC566508512
 7508512
 8508512

The terms "Apiro", "AutoChain", "CFRIP", "chainflex", "chainge", "chains for cranes", "ConProtect", "cradle-chain", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "dryway", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-loop", "energy chain", "energy chain systems", "enjoyneering", "e-skin", "e-spool", "fixflex", "flizz", "i.Cee", "ibow", "igear", "iglidur", "igubal", "igumid", "igus", "igus improves what moves", "igus:bike", "igusGO", "igutex", "iguverse", "iguversum", "kineKIT", "kopla", "manus", "motion plastics", "motion polymers", "motionary", "plastics for longer life", "print2mold", "Rawbot", "RBTX", "RCYL", "readycable", "readychain", "ReBeL", "ReCyycle", "reguse", "robolink", "Rohbot", "savfe", "speedigus", "superwise", "take the dryway", "tribofilament", "tribotape", "triflex", "twisterchain", "when it moves, igus improves", "xirodur", "xiros" and "yes" are legally protected trademarks of the igus® GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries. This is a non-exhaustive list of trademarks (e.g. pending trademark applications or registered trademarks) of igus GmbH or affiliated companies of igus in Germany, the European Union, the USA and/or other countries or jurisdictions.

igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention on this website. The products offered by igus® are those of igus® GmbH