1. Dimensions of Hollow Guide Rail
B1 c f h1 h2 k m r1 a
± 1 +0.20
-0.15 +0-0.50 ± 0.40 +60'
+20'
TK2A 50 2 50 10 20 3 900
TK3 75 2 55± 0.2 10± 0.2 20 5 900
TK5 87 ≥ 1.8 3 60 16.4 25 3
TOLERANCES ± 1 +0.20
-0.15 ± 0.3 ± 1 ± 0.2 +60'
+20'
TK3A 75 2.2 55 10 10± 0.2 30 3 900
TK5A 78 3.2 60 16.4 25 3.2

2)Material Performance:
Steel Yield Strength
N/mm2 Tensile Strength
N/mm Elongation HB
Q235 ≥ 235 370-520 ≥ 40% ≤ 143