HEAT PROOF WIRE SPRINGS –WFH (60 ％ DEFLECTION)/WLH (50 ％ DEFLECTION)– ● HEAT RESISTANT UP TO 200°C.
■ Spring constant D Type
● N (load) = N/mm (spring constant) × Fmm (deflection) Load {kgf} = Load N × 0.101972
Part Number WFH13 – 60 WLH13 – 60
WFH WLH
± 10 ％
Spring constant
Order
WFH WLH WMH WHH
D
External diameter D φ 10 or less φ 13 or more Free length L 50 or less ± 1mm 55 or more ± 1.5mm 0 −0.5mm 0 −0.8mm
E No grinding on both ends of springs marked with ＊
4 5 6 8
d
2.0 {0.2}
2.9 {0.3}
E The solid height values are for reference only. There may be some dispersions depending on the lot.
Delivery Quotation
E Operation frequency: 1 million shots
N/mm 0.5 {kgf/mm} {0.05}
N/mm 1.0 {kgf/mm} {0.1}
N/mm 5.9 {kgf/mm} {0.6}
E Instructions and notes for coil springs D P.1142 E Coil springs marked with an • have spring seat(s) on one end or both ends in order to reduce excessive stress or potential breakage when deflecting. (The seat becomes about 0.5–4 rolling extent.) Solid height and spring constant values remain the same as the catalog values, so please use them with confidence.
N/mm 2.9 {kgf/mm} {0.3}
10 13 16 18 Fmax. F = L × 60 ％ F = L × 50 ％ F = L × 40 ％ F = L × 35 ％ 4.9 {0.5} N/mm 9.8 {kgf/mm} {1.0} 14.7 {1.5} 1.0 {0.1} 2.9 {0.3}
｝ Seat
M Material SUS631
■ WLH ： Fmax . (allowable deflection) = L × 50%
■ WFH: Fmax. (allowable deflection) = L × 60%
E Fmax. (Allowable deflection) is due to the measurement at normal temperature (40°C). Refer to P.1140 for the maximum allowable deflection at high temperature (150°C/200°C).
E Fmax. (Allowable deflection) is due to the measurement at normal temperature (40°C). Refer to P.1140 for the maximum allowable deflection at high temperature (150°C/200°C).
Part Number Type D – L WLH4 – 5 ＊
Part Number Type D – L WLH16 – 15
Part Number Type D – L WLH 8 – 10
Part Number Type D – L WFH 8 – 10
Part Number Type D – L WFH4 – 5 ＊
F max.
F max.
F max.
Part Number TypeD – L WFH16 – 15
N {kgf} max.
N {kgf} max.
N {kgf} max.
Solid Height
Solid Height
Solid Height
F max.
F max.
N {kgf} max.
N {kgf} max.
Solid Height
Solid Height
Solid Height
F max.
N {kgf} max.
d
d
d
d
d
d
0.35 2.1 2.5 2.5 {0.25} 0.4 3.6 5 4.9 {0.5 } 0.45 5 7.5 7.4 {0.75} 0.5 8.5 10 9.8 {1.0 } 0.5 9 12.5 12.3 {1.25} 0.5 10.5 15 14.7 {1.5 } 0.55 12 17.5 17.2 {1.75} 0.55 16 20 19.6 {2.0 } 0.4 1.8 2.5 2.5 {0.25} 0.45 3.2 5 4.9 {0.5 } 0.5 5 7.5 7.4 {0.75} 0.55 6.6 10 9.8 {1.0 } 0.6 10 12.5 12.3 {1.3 } 0.6 12 15 14.7 {1.5 } 0.65 14.3 17.5 17.2 {1.8 } 0.65 16.3 20 19.6 {2.0 } 0.65 17.6 22.5 22.1 {2.3 } 0.7 21 25 24.5 {2.5 } 0.5 2.2 2.5 2.9 {0.3 } 0.5 3.3 5 4.9 {0.5 } 0.6 6.5 7.5 7.8 {0.8 } 0.6 8.5 10 9.8 {1.0 } 0.6 10 12.5 12.7 {1.3 } 0.7 13 15 14.7 {1.5 } 0.7 15 17.5 17.7 {1.8 } 0.7 17 20 19.6 {2.0 } 0.7 20 22.5 22.6 {2.3 } 0.8 23.5 25 24.5 {2.5 } 0.8 23.5 27.5 27.0 {2.8 } 0.8 27 30 29.4 {3.0 } 0.8 27 32.5 31.9 {3.3 } 0.8 31 35 34.3 {3.5 } 0.85 35 40 39.2 {4.0 }
1.0 5.5 7.5 7.8 { 0.8 } 1.1 7.5 10 9.8 { 1.0 } 1.2 10 12.5 12.7 { 1.3 } 1.2 12.5 15 14.7 { 1.5 } 1.2 13 17.5 17.7 { 1.8 } 1.2 15 20 19.6 { 2.0 } 1.4 19.5 22.5 22.6 { 2.3 } 1.4 22 25 24.5 { 2.5 } 1.4 23 27.5 27.0 { 2.8 } 1.4 25 30 29.4 { 3.0 } 1.4 25 32.5 31.9 { 3.3 } 1.4 29 35 34.3 { 3.5 } 1.6 36 40 39.2 { 4.0 } 1.6 37 45 44.1 { 4.5 } 1.4 7 10 29.4 { 3.0 } 1.6 10.5 12.5 37.3 { 3.8 } 1.6 13 15 44.1 { 4.5 } 1.6 15 17.5 52.0 { 5.3 } 1.8 17 20 58.8 { 6.0 } 1.8 20 22.5 66.7 { 6.8 } 1.8 22 25 73.5 { 7.5 } 1.8 19 27.5 80.9 { 8.25} 2 28 30 88.3 { 9.0 } 2 28 32.5 95.6 { 9.75} 2 31 35 103.0 {10.5 } 2 35 40 117.7 {12.0 } 2 40 45 132.4 {13.5 } 2.1 47 50 147.1 {15.0 }
0.6 3.5 5 4.9 {0.5} 0.7 6 7.5 7.8 {0.8} 0.7 7.5 10 9.8 {1.0} 0.8 10 12.5 12.7 {1.3} 0.8 12 15 14.7 {1.5} 0.8 15 17.5 17.7 {1.8} 0.9 17.5 20 19.6 {2.0} 0.9 19.5 22.5 22.6 {2.3} 0.9 21 25 24.5 {2.5} 0.9 20 27.5 27.0 {2.8} 0.9 25 30 29.4 {3.0} 1.0 29 32.5 31.9 {3.3} 1.0 30.5 35 34.3 {3.5} 1.0 35 40 39.2 {4.0} 0.7 4 5 4.9 {0.5}
0.5 2.8 6 2.9 {0.3 } 0.5 3 9 4.4 {0.45} 0.6 5.3 12 5.9 {0.6 } 0.6 5.3 15 7.4 {0.75} 0.65 7.3 18 8.8 {0.9 } 0.65 7.3 21 10.3 {1.05} 0.7 10 24 11.8 {1.2 } 0.7 10 27 13.2 {1.35} 0.7 10.5 30 14.7 {1.5 } 0.8 18 33 16.2 {1.65} 0.8 18 36 17.7 {1.8 } 0.8 20 39 19.1 {1.95} 0.8 20 42 20.6 {2.1 } 0.8 21 48 23.5 {2.4 } 0.6 3 6 2.9 {0.3 } 0.6 3.2 9 4.4 {0.45} 0.7 5.3 12 5.9 {0.6 } 0.7 5.3 15 7.4 {0.75} 0.7 5.6 18 8.8 {0.9 } 0.8 10 21 10.3 {1.05} 0.8 10 24 11.8 {1.2 } 0.8 10.5 27 13.2 {1.35} 0.8 10.5 30 14.7 {1.5 } 0.8 11 33 16.2 {1.65} 0.9 17.6 36 17.7 {1.8 } 0.9 18 39 19.1 {1.95} 0.9 18 42 20.6 {2.1 } 0.9 19 48 23.5 {2.4 } 0.7 3.5 9 4.4 {0.45} 0.8 5 12 5.9 {0.6 } 0.8 5 15 7.4 {0.75} 0.8 5 18 8.8 {0.9 } 0.9 7.7 21 10.3 {1.05} 0.9 7.7 24 11.8 {1.2 } 0.9 8.6 27 13.2 {1.35} 0.9 8.6 30 14.7 {1.5 } 1.0 12.5 33 16.2 {1.65} 1.0 13.5 36 17.7 {1.8 } 1.0 13.5 39 19.1 {1.95} 1.1 20 42 20.6 {2.1 } 1.1 20 48 23.5 {2.4 } 1.1 21 54 26.5 {2.7 }
0.29 1.8 3 1.5 {0.15} 0.35 3.2 6 2.9 {0.3 } 0.35 3.2 9 4.4 {0.45} 0.4 5.2 12 5.9 {0.6 } 0.4 6 15 7.4 {0.75} 0.4 6.8 18 8.8 {0.9 } 0.45 10.4 21 10.3 {1.05} 0.45 11.3 24 11.8 {1.2 } 0.3 1.2 3 1.5 {0.15} 0.4 3.2 6 2.9 {0.3 } 0.4 3.2 9 4.4 {0.45} 0.45 5.5 12 5.9 {0.6 } 0.45 6.3 15 7.4 {0.75} 0.5 8 18 8.8 {0.9 } 0.5 9.5 21 10.3 {1.05} 0.5 9.5 24 11.8 {1.2 } 0.55 13.0 27 13.2 {1.35} 0.55 13.7 30 14.7 {1.5 } 0.35 1.4 3 1.5 {0.15} 0.45 3.2 6 2.9 {0.3 } 0.45 3.2 9 4.4 {0.45} 0.5 5.5 12 5.9 {0.6 } 0.5 5.5 15 7.4 {0.75} 0.6 10 18 8.8 {0.9 } 0.6 10 21 10.3 {1.05} 0.6 11 24 11.8 {1.2 } 0.6 11.5 27 13.2 {1.35} 0.65 15 30 14.7 {1.5 } 0.65 17 33 16.2 {1.65} 0.65 17 36 17.7 {1.8 } 0.7 23 39 19.1 {1.95} 0.7 23 42 20.6 {2.1 } 0.7 24 48 23.5 {2.4 }
0.8 3.6 9 4.4 {0.45} 0.9 5.3 12 5.9 {0.6 } 0.9 5.3 15 7.4 {0.75} 1.0 8 18 8.8 {0.9 } 1.0 8 21 10.3 {1.05} 1.0 9 24 11.8 {1.2 } 1.0 9 27 13.2 {1.35} 1.0 9 30 14.7 {1.5 } 1.0 9 33 16.2 {1.65} 1.1 12 36 17.7 {1.8 } 1.1 12 39 19.1 {1.95} 1.2 17 42 20.6 {2.1 } 1.2 17 48 23.5 {2.4 } 1.2 17 54 26.5 {2.7 } 1.0 5 12 11.8 {1.2 } 1.1 5.5 15 14.7 {1.5 } 1.1 5.5 18 17.7 {1.8 } 1.2 8 21 20.6 {2.1 } 1.2 8 24 23.5 {2.4 } 1.2 8 27 26.5 {2.7 } 1.4 14 30 29.4 {3.0 } 1.4 14 33 32.4 {3.3 } 1.4 14 36 35.3 {3.6 } 1.4 14 39 38.2 {3.9 } 1.5 20 42 41.2 {4.2 } 1.5 20 48 47.1 {4.8 } 1.6 26 54 53.0 {5.4 } 1.6 26 60 58.8 {6.0 }
10 ＊ 15 ＊ 20 ＊ 25 ＊ 30 ＊ 35 ＊ 40 ＊ 10 ＊ 15 ＊
10 ＊ 15 ＊
15 20 25
20
20 25 30 35 40 45 50 55 60 65 70 80 90
15 20 25 30 35 40 45 50 55 60 65 70 80
25 • 30 • 35 • 40 •
20 25 30 35 40
30 • 35 •
40
45
45 • 50 •
50 •
WFH5 – 5 ＊
WLH5 – 5 ＊
55
10 ＊
55
60 •
60 •
15 20 25 30 35 40 45 50
65
65 70 80
70 •
20 25 30 35 40 45 50
80 90
WLH10 – 10
WLH18 – 20
WFH18 – 20
WFH10 – 10
15 20 25 30 35
25
0.8 6
7.5 7.8 {0.8}
25 30 35 40 45 50 55 60 65 70 80 90
15 20 25 30 35 40 45 50 55 60 65 70 80
30 • 35 •
0.9 8.5 10 9.8 {1.0} 0.9 9.5 12.5 12.7 {1.3} 0.9 11.5 15 14.7 {1.5} 1.0 15 17.5 17.7 {1.8} 1.0 17.5 20 19.6 {2.0} 1.0 20 22.5 22.6 {2.3} 1.0 22.5 25 24.5 {2.5} 1.1 23 27.5 27.0 {2.8} 1.1 24 30 29.4 {3.0} 1.1 25.5 32.5 31.9 {3.3} 1.1 28 35 34.3 {3.5} 1.2 36 40 39.2 {4.0} 0.9 5.2 7.5 7.8 {0.8} 1.0 7.5 10 9.8 {1.0} 1.0 7.5 12.5 12.7 {1.3} 1.1 10.5 15 14.7 {1.5} 1.1 11 17.5 17.7 {1.8} 1.2 17 20 19.6 {2.0} 1.2 17 22.5 22.6 {2.3} 1.2 20 25 24.5 {2.5} 1.2 21 27.5 27.0 {2.8} 1.2 22 30 29.4 {3.0} 1.2 22 32.5 31.9 {3.3} 1.2 25 35 34.3 {3.5} 1.4 35 40 39.2 {4.0} 1.4 40 45 44.1 {4.5}
WFH6 – 5 ＊
WLH6 – 5 ＊
40
10 ＊ 15 ＊
10 15
45 • 50 •
40 • 45 • 50 •
20 • 25 •
55 60 65
20 25 30 35 40 45 50 55 60 65 70 80
55 60 65
30
35 • 40 • 45 •
70 • 80 • 90 •
70 •
80
100 •
50 55
100
WLH13 – 15
WFH13 – 15
20 25 30 35 40 45
60 •
20 25 30 35 40 45 50 55 60 65 70 80 90
65
70 •
80
50 •
55
60 •
65
70 •
80 90
1157
1158
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