0
D
※1
－ 0.7
Load ± 10% Squareness 2° or less Free length L 5 0 or less ± 0.5mm 55 or more ± 1% Coil direction Right
＋ 0.1 ＋ 0.7
Light
Load guide
Heavy
d
COIL SPRINGS –HEAVY LOAD SWH–
S W C
S W F
S W L
S W M
S W H
S W B
S W G
※ 1 D7 0 is 0
－ 1.0
Spring constant N/mm{kgf/mm}
Spring constant N/mm{kgf/mm}
Spring constant N/mm{kgf/mm}
Spring constant N/mm{kgf/mm}
F = L × 19.2%F = L × 21.6% F = L × 24% Part Number Fmm Load N{kgf} Fmm Load N{kgf} Fmm Load N{kgf} Type D–L
F = L × 19.2%F = L × 21.6% F = L × 24% Part Number Fmm Load N{kgf} Fmm Load N{kgf} Fmm Load N{kgf} Type D–L
F = L × 19.2%F = L × 21.6% F = L × 24% Part Number Fmm Load N{kgf} Fmm Load N{kgf} Fmm Load N{kgf} Type D–L
F = L × 19.2%F = L × 21.6% F = L × 24% Part Number Fmm Load N{kgf} Fmm Load N{kgf} Fmm Load N{kgf} Type D–L
D d L
D d L
D d L
D d L
SWH6 –15
SWH40–40
SWH25–25
SWH16–20
25 306 {31.2} 4.8 30 255 {26.0} 5.8 35 218 {22.3} 6.7 40 191 {19.5} 7.7 45 170 {17.3} 8.6 50 153 {15.6} 9.6 55 139 {14.2} 10.6 60 127 {13.0} 11.5 65 118 {12.0} 12.5 70 109 {11.1} 13.4 75 102 {10.4} 14.4 80 95.5 { 9.7} 15.4 90 84.9 { 8.7} 17.3 100 76.4 { 7.8} 19.2 125 61.1 { 6.2} 24.0 150 50.9 { 5.2} 28.8 175 43.6 { 4.5} 33.6 25 358 {36.5} 4.8 30 298 {30.4} 5.8 35 255 {26.1} 6.7 40 224 {22.8} 7.7 45 199 {20.3} 8.6 50 179 {18.2} 9.6 55 163 {16.6} 10.6 60 149 {15.2} 11.5 65 138 {14.0} 12.5 70 128 {13.0} 13.4 75 119 {12.2} 14.4 80 112 {11.4} 15.4 90 99.4 {10.1} 17.3 100 89.4 { 9.1} 19.2 125 71.5 { 7.3} 24.0 150 59.6 { 6.1} 28.8 175 51.1 { 5.2} 33.6 25 441 {45.0} 4.8 30 368 {37.5} 5.8 35 315 {32.1} 6.7 40 276 {28.1} 7.7 45 245 {25.0} 8.6 50 221 {22.5} 9.6 55 200 {20.4} 10.6 60 184 {18.7} 11.5 65 170 {17.3} 12.5 70 158 {16.1} 13.4 75 147 {15.0} 14.4 80 138 {14.1} 15.4 90 123 {12.5} 17.3 100 110 {11.2} 19.2 125 88.2 { 9.0} 24.0 150 73.5 { 7.5} 28.8 175 63.0 { 6.4} 33.6 200 55.1 { 5.6} 38.4 40 375 {38.2} 7.7 45 333 {34.0} 8.6 50 300 {30.6} 9.6 55 273 {27.8} 10.6 60 250 {25.5} 11.5 65 231 {23.5} 12.5 70 214 {21.8} 13.4 75 200 {20.4} 14.4 80 187 {19.1} 15.4 90 167 {17.0} 17.3 100 150 {15.3} 19.2 125 120 {12.2} 24.0 150 99.9 {10.2} 28.8 175 85.6 { 8.7} 33.6 200 74.9 { 7.6} 38.4
5.4 6.5 7.6 8.6 9.7
6.0 7.2 8.4 9.6
15 38.1 { 3.9} 2.9 20 28.5 { 2.9} 3.8 25 22.8 { 2.3} 4.8 30 19.0 { 1.9} 5.8 35 16.3 { 1.7} 6.7 40 14.3 { 1.5} 7.7 45 12.7 { 1.3} 8.6 50 11.4 { 1.2} 9.6 55 10.4 { 1.1} 10.6 60 9.5 { 1.0} 11.5 10 85.8 { 8.8} 1.9 15 57.2 { 5.8} 2.9 20 42.9 { 4.4} 3.8 25 34.3 { 3.5} 4.8 30 28.6 { 2.9} 5.8 35 24.5 { 2.5} 6.7 40 21.5 { 2.2} 7.7 45 19.1 { 1.9} 8.6 50 17.2 { 1.8} 9.6 55 15.6 { 1.6} 10.6 60 14.3 { 1.5} 11.5 65 13.2 { 1.3} 12.5 70 12.3 { 1.3} 13.4 75 11.4 { 1.2} 14.4 80 10.7 { 1.1} 15.4 10 123 {12.5} 1.9 15 81.7 { 8.3} 2.9 20 61.3 { 6.3} 3.8 25 49.0 { 5.0} 4.8 30 40.8 { 4.2} 5.8 35 35.0 { 3.6} 6.7 40 30.6 { 3.1} 7.7 45 27.2 { 2.8} 8.6 50 24.5 { 2.5} 9.6 55 22.3 { 2.3} 10.6 60 20.4 { 2.1} 11.5 65 18.8 { 1.9} 12.5 70 17.5 { 1.8} 13.4 75 16.3 { 1.7} 14.4 80 15.3 { 1.6} 15.4 90 13.6 { 1.4} 17.3 15 117 {11.9} 2.9 20 87.7 { 8.9} 3.8 25 70.2 { 7.2} 4.8 30 58.5 { 6.0} 5.8 35 50.1 { 5.1} 6.7 40 43.9 { 4.5} 7.7 45 39.0 { 4.0} 8.6 50 35.1 { 3.6} 9.6 55 31.9 { 3.3} 10.6 60 29.2 { 3.0} 11.5 65 27.0 { 2.8} 12.5 70 25.1 { 2.6} 13.4 75 23.4 { 2.4} 14.4 80 21.9 { 2.2} 15.4 90 19.5 { 2.0} 17.3 20 120 {12.3} 3.8 25 96.3 { 9.8} 4.8 30 80.3 { 8.2} 5.8 35 68.8 { 7.0} 6.7 40 60.2 { 6.1} 7.7 45 53.5 { 5.5} 8.6 50 48.2 { 4.9} 9.6 55 43.8 { 4.5} 10.6 60 40.1 { 4.1} 11.5 65 37.1 { 3.8} 12.5 70 34.4 { 3.5} 13.4 75 32.1 { 3.3} 14.4 80 30.1 { 3.1} 15.4 90 26.8 { 2.7} 17.3 100 24.1 { 2.5} 19.2
3.2 4.3 5.4 6.5 7.6 8.6 9.7
3.6 4.8 6.0 7.2 8.4 9.6
20 157 {16.0} 3.8 25 126 {12.8} 4.8 30 105 {10.7} 5.8 35 89.9 { 9.2} 6.7 40 78.6 { 8.0} 7.7 45 69.9 { 7.1} 8.6 50 62.9 { 6.4} 9.6 55 57.2 { 5.8} 10.6 60 52.4 { 5.3} 11.5 65 48.4 { 4.9} 12.5 70 44.9 { 4.6} 13.4 75 41.9 { 4.3} 14.4 80 39.3 { 4.0} 15.4 90 35.0 { 3.6} 17.3 100 31.5 { 3.2} 19.2 20 198 {20.2} 3.8 25 159 {16.2} 4.8 30 132 {13.5} 5.8 35 113 {11.5} 6.7 40 99.1 {10.1} 7.7 45 88.1 { 9.0} 8.6 50 79.3 { 8.1} 9.6 55 72.0 { 7.3} 10.6 60 66.0 { 6.7} 11.5 65 61.0 { 6.2} 12.5 70 56.6 { 5.8} 13.4 75 52.8 { 5.4} 14.4 80 49.5 { 5.1} 15.4 90 44.0 { 4.5} 17.3 100 39.6 { 4.0} 19.2 20 245 {25.0} 3.8 25 196 {20.0} 4.8 30 163 {16.7} 5.8 35 140 {14.3} 6.7 40 123 {12.5} 7.7 45 109 {11.1} 8.6 50 98.0 {10.0} 9.6 55 89.1 { 9.1} 10.6 60 81.7 { 8.3} 11.5 65 75.4 { 7.7} 12.5 70 70.0 { 7.1} 13.4 75 65.3 { 6.7} 14.4 80 61.3 { 6.2} 15.4 90 54.4 { 5.6} 17.3 100 49.0 { 5.0} 19.2 125 39.2 { 4.0} 24.0 150 32.7 { 3.3} 28.8 25 237 {24.2} 4.8 30 197 {20.1} 5.8 35 169 {17.3} 6.7 40 148 {15.1} 7.7 45 132 {13.4} 8.6 50 118 {12.1} 9.6 55 108 {11.0} 10.6 60 98.7 {10.1} 11.5 65 91.1 { 9.3} 12.5 70 84.6 { 8.6} 13.4 75 78.9 { 8.1} 14.4 80 74.0 { 7.5} 15.4 90 65.8 { 6.7} 17.3 100 59.2 { 6.0} 19.2 125 47.4 { 4.8} 24.0 150 39.5 { 4.0} 28.8
4.3 5.4 6.5 7.5 8.6 9.7
4.8 6.0 7.2 8.4 9.6
40 490 {50.0} 7.7 45 436 {44.4} 8.6 50 392 {40.0} 9.6 55 356 {36.3} 10.6 60 327 {33.3} 11.5 65 302 {30.7} 12.5 70 280 {28.6} 13.4 75 261 {26.6} 14.4 80 245 {25.0} 15.4 90 218 {22.2} 17.3 100 196 {20.0} 19.2 125 157 {16.0} 24.0 150 131 {13.3} 28.8 175 112 {11.4} 33.6 200 98.0{10.0}38.4 225 87.1 { 8.9} 43.2 250 78.4 { 8.0} 48.0 275 71.3 { 7.3} 52.8 300 65.3 { 6.7} 57.6 50 613 {62.5} 9.6 55 557 {56.8} 10.6 60 510 {52.0} 11.5 65 471 {48.0} 12.5 70 438 {44.6} 13.4 75 408 {41.6} 14.4 80 383 {39.0} 15.4 90 340 {34.7} 17.3 100 306 {31.2} 19.2 125 245 {25.0} 24.0 150 204 {20.8} 28.8 175 175 {17.8} 33.6 200 153 {15.6} 38.4 225 136 {13.9} 43.2 250 123 {12.5} 48.0 275 111 {11.4} 52.8 300 102 {10.4} 57.6 350 87.5 { 8.9} 67.2 60 735 {74.9} 11.5 70 630 {64.2} 13.4 80 551 {56.2} 15.4 90 490 {50.0} 17.3 100 441 {45.0} 19.2 125 353 {36.0} 24.0 150 294 {30.0} 28.8 175 252 {25.7} 33.6 200 221 {22.5} 38.4 225 196 {20.0} 43.2 250 176 {18.0} 48.0 275 160 {16.4} 52.8 300 147 {15.0} 57.6 350 126 {12.8} 67.2 70 747 {76.2} 13.4 80 654 {66.7} 15.4 90 581 {59.3} 17.3 100 523 {53.4} 19.2 125 419 {42.7} 24.0 150 349 {35.6} 28.8 175 299 {30.5} 33.6 200 262 {26.7} 38.4 250 209 {21.3} 48.0 300 174 {17.8} 57.6 350 149 {15.2} 67.2
8.6 9.7
9.6
30 35 40 45 50 55 60 65 70 75 80 90
20 25 30 35 40 45 50 55 60 15 20 25 30 35 40 45 50 55 60 65 70 75 80 15 20 25 30 35 40 45 50 55 60 65 70 75 80 90 20 25 30 35 40 45 50 55 60 65 70 75 80 90 25 30 35 40 45 50 55 60 65 70 75 80 90
25 30 35 40 45 50 55 60 65 70 75 80 90 25 30 35 40 45 50 55 60 65 70 75 80 90 25 30 35 40 45 50 55 60 65 70 75 80 90
45 50 55 60 65 70 75 80 90
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0 30.0 36.0 42.0 48.0 54.0 60.0 66.0 72.0 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0 30.0 36.0 42.0 48.0 54.0 60.0 66.0 72.0 84.0 14.4 16.8 19.2 21.6 24.0 30.0 36.0 42.0 48.0 54.0 60.0 66.0 72.0 84.0 16.8 19.2 21.6 24.0 30.0 36.0 42.0 48.0 60.0 72.0 84.0
10.8 11.9 13.0 14.0 15.1 16.2 17.3 19.4 21.6 27.0 32.4 37.8 43.2 48.6 54.0 59.4 64.8 10.8 11.9 13.0 14.0 15.1 16.2 17.3 19.4 21.6 27.0 32.4 37.8 43.2 48.6 54.0 59.4 64.8 75.6 13.0 15.1 17.3 19.4 21.6 27.0 32.4 37.8 43.2 48.6 54.0 59.4 64.8 75.6 15.1 17.3 19.4 21.6 27.0 32.4 37.8 43.2 54.0 64.8 75.6
110 {11}
123 {13}
137 {14}
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0 30.0 36.0 42.0
6 3
10.8 11.9 13.0 14.0 15.1 16.2 17.3 19.4 21.6 27.0 32.4 37.8
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0
10.8 12.0 13.2 14.4
10.8 11.8 13.0 14.0 15.1 16.2 17.3 19.4 21.6
604 {62}
680 {69}
755 {77}
16 8
10.8 11.9 13.0
1466 {150}
1650 {168}
1833 {187}
25 12.5
3763 {384}
4234 {432}
4704 {480}
40 20
SWH8 –10
100 125 150 175 200 225 250 275 300
2.2 3.2 4.3 5.4 6.5 7.5 8.6 9.7
2.4 3.6 4.8 6.0 7.2 8.4 9.6
100 125 150 175
100
SWH18–20
4.3 5.4 6.5 7.5 8.6 9.7
4.8 6.0 7.2 8.4 9.6
165 {17}
185 {19}
206 {21}
SWH27–25
8 4
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2
5.4 6.5 7.6 8.6 9.7
6.0 7.2 8.4 9.6
30 35 40 45 50 55 60 65 70 75 80 90
10.8 11.8 13.0 14.0 15.1 16.2 17.3
SWH50–50
55 60 65 70 75 80 90
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0 30.0 36.0 42.0
10.8 11.8 13.0 14.0 15.1 16.2 17.3 19.4 21.6
761 {78}
856 {87}
951 {97}
18 9
10.8 11.9 13.0 14.0 15.1 16.2 17.3 19.4 21.6 27.0 32.4 37.8
1717 {175}
1931 {197}
2146 {219}
SWH10–10
2.2 3.2 4.3 5.4 6.5 7.5 8.6 9.7
2.4 3.6 4.8 6.0 7.2 8.4 9.6
27 13.5
5880 {600}
6615 {675}
7350 {750}
100 125 150 175 200 225 250 275 300 350
50 25
100
100 125 150 175
SWH20–20
4.3 5.4 6.5 7.5 8.6 9.7
4.8 6.0 7.2 8.4 9.6
235 {24}
265 {27}
294 {30}
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6
10 5
10.8 11.8 13.0 14.0 15.1 16.2 17.3 19.4
SWH30–25
5.4 6.5 7.6 8.6 9.7
6.0 7.2 8.4 9.6
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0 30.0 36.0
30 35 40 45 50 55 60 65 70 75 80 90
10.8 11.8 13.0 14.0 15.1 16.2 17.3 19.4 21.6 27.0 32.4
SWH60–60
941 {96}
1058 {108}
1176 {120}
70 80 90
20 10
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0 30.0 36.0 42.0 48.0 10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0 30.0 36.0 42.0 48.0 9.6
10.8 11.9 13.0 14.0 15.1 16.2 17.3 19.4 21.6 27.0 32.4 37.8 43.2
SWH12–15
100 125 150 175 200 225 250 275 300 350
3.2 4.3 5.4 6.5 7.5 8.6 9.7
3.6 4.8 6.0 7.2 8.4 9.6
2117 {216}
2381 {243}
2646 {270}
30 15
8467 {863}
9526 {971}
10584 {1079}
60 30
100 125 150
SWH22–25
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6
100 125 150 175 200
5.4 6.5 7.6 8.6 9.7
6.0 7.2 8.4 9.6
337 {34}
379 {38}
421 {43}
30 35 40 45 50 55 60 65 70 75 80 90
12 6
10.8 11.8 13.0 14.0 15.1 16.2 17.3 19.4
SWH70–70
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0 30.0 36.0
80 90
10.8 11.9 13.0 14.0 15.1 16.2 17.3 19.4 21.6 27.0 32.4
SWH35–40
8.6 9.7
45 50 55 60 65 70 75 80 90
1137 {116}
1279 {130}
1421 {145}
100 125 150 175 200 250 300 350
10.8 11.9 13.0 14.0 15.1 16.2 17.3 19.4 21.6 27.0 32.4 37.8 43.2
22 11
10046 {1024}
11301 {1152}
12557 {1280}
SWH14–20
70 38.5
4.3 5.4 6.5 7.5 8.6 9.7
4.8 6.0 7.2 8.4 9.6
2878 {293}
3237 {330}
3597 {367}
35 17.5
100 125 150
10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 21.6 24.0
10.8 11.8 13.0 14.0 15.1 16.2 17.3 19.4 21.6
100 125 150 175 200
Operation frequency 1 million times 500,000 times 300,000 times
462 {47}
520 {53}
578 {59}
Operation frequency 1 million times 500,000 times 300,000 times
14 7
– Part Number
(NT)
Quotation
Part Number SWH20–30
Alterations
–
NT
SWH30–50
Order
Operation frequency 1 million times 500,000 times 300,000 times
Alterations Code
Spec.
Quotation
M Material Oil tempered wire for spring ● Load calculation method:
Delivery
Paint peeling process d P.1147 Peel the coating by shot peening the coil springs. e Since the springs which have undergone the painting peeling are easy to rust, be careful in handling. Rusting of spring will lead to premature damaging. e Compared to painted springs, there may be some dispersions in terms of load, etc. depending on the lot.
Load = Spring constant × Deflection
100
(International unit) N = N/mm × Fmm kgf = kgf/mm × Fmm (kgf = N × 0.101972)
Operation frequency 1 million times 500,000 times 300,000 times
NT
e Product guide d P.1139
e load graph d P.1141
e Instructions and notes for coil springs d P.1142 e For information on the D dimension and the counterbore hole, and also the d dimension and the shaft d P.1142
1177
1178
No painting
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