Page 114 - IGUS ECS CATALOG
P. 114
igus terms | Alphabetical order
®
Application icons Short cuts and description
= Angle of rotation [ ° ]
ΔM = Deviation of the centre point [mm]
Unsupported
a = Acceleration [m/s 2 ]
AR = Outer radius, e-chain ® (twisterchain) [mm]
Ba = Outer e-chain ® width [mm]
Gliding
Bi = Inner e-chain ® width [mm]
= Guide trough outer width
B Ra [mm]
= Guide trough inner width
B Ri [mm]
Hanging
D = Over length e-chain ® radius in fi nal position [mm]
= Over length for long travels gliding
D 2 [mm]
= Unsupported length with sag
FL B [m]
Standing
= Unsupported straight length
FL G [m]
= Unsupported lower run
FL U [m]
FZ max = Maximum fi ll weight [kg/m]
Zig-zag
H = Nominal clearance height [mm]
= Clearance height with lowered moving end
H 2 [mm]
ha = Outer e-chain ® height [mm]
Side-mounted
= Required clearance height
H F [mm]
hi = Inner e-chain ® height [mm]
= Outer trough height
H Ra [mm]
Circular movement
= Inner trough height
H Ri [mm]
IR = Inner radius, e-chain ® (twisterchain) [mm]
Horizontal and K = Add-on for bend radius (K is taken from the data tables of the individual series) [mm]
vertical application K 2 = Add-on for bend radius if the mounting point is lowered (for long travels) [mm]
= e-chain ® length
L K [mm]
n = Number of links [1]
Nested
= Number of installation sets (left/right)
n Mon [1]
= Number of trough sets (left/right)
n Ri [1]
Applications R = Bend radius [mm]
side by side RBR = Reverse Bend Radius [mm]
S = Travel [mm]
S /2 = Half length of travel [mm]
Combined motion
T = e-chains ® pitch [mm]
v = Speed [m/s]
X1 = Inner machine limit (twisterchain) [mm]
= Outer radius e-chain ® , including clearance (twisterchain)
X 2 [mm]
CL = Off set fi xed end [mm]
®
igus formulae
Calculation of maximum travel length, unsupported with sag
SFL B = 2 x FL B
Calculation of maximum travel length, unsupported straight
SFL G = 2 x FL G
= Ba + 4 Minimum guide trough width
B Ri
≥ 2 x ha Minimum guide trough height for gliding applications
H Ri
K = π x R + (2 x T) Add-on for bend radius
= S / 2 + ΔM + K e-chain ® length, fi xed end is outside the centre of travel (FL G , FL B and ΔM)
L K
= S / 2 + K [m] e-chain ® length, for all types of applications, fi xed end in the centre of travel, -
L K
except circular movements and most long travels
= S / 2 + K 2 [m] e-chain ® length for long travels, fi xed end in the centre of travel
L K
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