19YRS
STAMPINGMASTERS ENTERPRISE CO., LTD.
886-3-4527557
886-3-4511072
No.20, Xinbeiyuan Rd., Zhongli Dist., Taoyuan City 320, Taiwan
www.tohatsu.com.tw

Products

Die spring
Die spring (ISO specification. Compression 40%)
TJL

Die spring (flat wire spring) is suitable for occasions with high load and very limited space, mainly used in stamping dies, various die-casting dies, injection dies and mechanical equipment with precise structure

How to use the mold spring
1. First calculate the maximum working stroke required by the spring.
2. When assembling the spring, it must be preloaded to make it have internal pressure, otherwise the life of the spring will be reduced. Generally, the preload is 3~5% of the total length.
3. The spring must have bolts and outer guide bushes.
4. When the punch is re-ground, the spring will increase the compression at this time. Please grind the gasket at the same time to keep the original compression.

Points for attention in the use of springs
1. The specifications of each spring are different, do not easily replace each other when using
2. The guide length of the spring refers to the length of the central axis of the spring and the depth of the installation hole. If the guide length is insufficient, the spring will bend or tilt under the force, which will lead to the early failure of the spring. When the spring stroke is guaranteed, the guide length is greater than 1/2 of the free length
4. The upper and lower mounting surfaces of the spring must be parallel to each other. Do not cut the spring or process the connector so that it cannot be flush with the end surface.
5. The old and new springs cannot be mixed together, which will cause the spring to bear uneven load.
6. Prevent iron filings, scraps and other debris from being mixed in the spring

Load calculation method
Load (N) = Spring constant (N/mm) × compression (mm)

Specification

產品資訊\Product Information
材質
Materials
顏色(電著塗裝)
Color (Electric painting)
使用溫度(ºC)
Operating temperature (ºC)
旋向
Winding
SWOSC-V
綠色
Green
-30~150
Right hand screw
尺寸圖\Dimensions
安裝孔徑與軸徑配合公差\Fitting tolerance table of mounting hole diameter and shaft diameter
鑽孔徑(DH) 螺栓徑(Dd)
H15(孔徑配合公差)
Hole Fit Tolerance
h15(軸徑配合公差)
shaft diameter fit tolerance
上限(+) 下限(-) 上限(+) 下限(-)
10 5 +0.58 -0 +0 -0.58
12.5 6.3 +0.7 -0 +0 -0.58
16 8 +0.7 -0 +0 -0.58
20 10 +0.84 -0 +0 -0.58
25 12.5 +0.84 -0 +0 -0.7
36 16 +1 -0 +0 -0.7
40 20 +1 -0 +0 -0.84
外觀公差\Appearance Tolerances
彈簧自由長公差表(±%)
Spring free length tolerance table (±%)
荷重(N±%)
Load (N±%)
25~64 76~115 127~305 ±10%
±3 ±2.5 ±2
規格表\Specification Table
品號
Product No.
鑽孔徑(DH) 螺栓徑(Dd) 自由長(Lo)
定數(N/mm)
Spring constant
最大壓縮量
Maximum compression
TJL10-025 10 5 25 12 10.2
TJL10-032 10 5 32 9.4 13.4
TJL10-038 10 5 38 7.9 16.1
TJL10-044 10 5 44 6.8 18.8
TJL10-051 10 5 51 5.9 22
TJL10-064 10 5 64 4.7 27.9
TJL10-076 10 5 76 3.9 33.4
TJL10-089 10 5 89 3.4 39.3
TJL10-102 10 5 102 2.9 45.2
TJL10-305 10 5 305 1 137.1
TJL12.5-025 12.5 6.3 25 24 10.6
TJL12.5-032 12.5 6.3 32 18.8 14
TJL12.5-038 12.5 6.3 38 15.8 17
TJL12.5-044 12.5 6.3 44 13.6 19.7
TJL12.5-051 12.5 6.3 51 11.8 23.2
TJL12.5-064 12.5 6.3 64 9.4 29.7
TJL12.5-076 12.5 6.3 76 7.9 35.2
TJL12.5-089 12.5 6.3 89 6.7 41.5
TJL12.5-102 12.5 6.3 102 5.9 47.2
TJL12.5-115 12.5 6.3 115 5.2 53.2
TJL12.5-305 12.5 6.3 305 2 143.8
TJL16-025 16 8 25 30 10.9
TJL16-032 16 8 32 23.4 14.4
TJL16-038 16 8 38 19.7 17.4
TJL16-044 16 8 44 17 20.3
TJL16-051 16 8 51 14.7 23.9
TJL16-064 16 8 64 11.7 30.3
TJL16-076 16 8 76 9.9 36.3
TJL16-089 16 8 89 8.4 42.8
TJL16-102 16 8 102 7.4 49.3
TJL16-115 16 8 115 6.5 55.7
TJL16-127 16 8 127 5.9 61.8
TJL16-305 16 8 305 2.5 150.5
TJL20-025 20 10 25 60 10.3
TJL20-032 20 10 32 46.9 13.3
TJL20-038 20 10 38 39.5 16.2
TJL20-044 20 10 44 34.1 18.6
TJL20-051 20 10 51 29.4 21.5
TJL20-064 20 10 64 23.4 27
TJL20-076 20 10 76 19.7 32.6
TJL20-089 20 10 89 16.9 38.2
TJL20-102 20 10 102 14.7 45
TJL20-115 20 10 115 13 50.5
TJL20-127 20 10 127 11.8 56.1
TJL20-139 20 10 139 10.8 61.8
TJL20-152 20 10 152 9.9 67.5
TJL20-178 20 10 178 8.4 79.8
TJL20-203 20 10 203 7.4 91.4
TJL20-305 20 10 305 4.9 137.8
TJL25-025 25 12.5 25 90 10.9
TJL25-032 25 12.5 32 70.3 14.4
TJL25-038 25 12.5 38 59.2 16.7
TJL25-044 25 12.5 44 51.1 19.8
TJL25-051 25 12.5 51 44.1 23.5
TJL25-064 25 12.5 64 35.2 29.9
TJL25-076 25 12.5 76 29.6 35.8
TJL25-089 25 12.5 89 25.3 42.3
TJL25-102 25 12.5 102 22.1 48.2
TJL25-115 25 12.5 115 19.6 54.4
TJL25-127 25 12.5 127 17.7 60.7
TJL25-139 25 12.5 139 16.2 66.1
TJL25-152 25 12.5 152 14.8 72.8
TJL25-178 25 12.5 178 12.6 85.6
TJL25-203 25 12.5 203 11.1 97.5
TJL25-229 25 12.5 229 9.8 110.5
TJL25-305 25 12.5 305 7.4 147.3
TJL32-038 32 16 38 92.1 16
TJL32-044 32 16 44 79.5 18.5
TJL32-051 32 16 51 68.6 22.1
TJL32-064 32 16 64 54.7 28.5
TJL32-076 32 16 76 46.1 34.4
TJL32-089 32 16 89 39.3 40.8
TJL32-102 32 16 102 34.3 45.8
TJL32-115 32 16 115 30.4 51.5
TJL32-127 32 16 127 27.6 57.6
TJL32-139 32 16 139 25.2 63.5
TJL32-152 32 16 152 23 69.2
TJL32-178 32 16 178 19.7 82.4
TJL32-203 32 16 203 17.2 94
TJL32-229 32 16 229 15.3 106.3
TJL32-254 32 16 254 13.8 118.2
TJL32-305 32 16 305 11.5 142.7
TJL40-051 40 20 51 98 20.7
TJL40-064 40 20 64 78.1 26.8
TJL40-076 40 20 76 65.8 32.2
TJL40-089 40 20 89 56.2 38.3
TJL40-102 40 20 102 49 43.4
TJL40-115 40 20 115 43.5 49
TJL40-127 40 20 127 39.4 55.4
TJL40-139 40 20 139 36 62.8
TJL40-152 40 20 152 32.9 68.4
TJL40-178 40 20 178 28.1 80.1
TJL40-203 40 20 203 24.6 90.1
TJL40-229 40 20 229 21.8 101.3
TJL40-254 40 20 254 19.7 113.3
TJL40-305 40 20 305 16.4 136
TJL50-064 50 25 64 156.3 25.7
TJL50-076 50 25 76 131.6 31.5
TJL50-089 50 25 89 112.4 37.8
TJL50-102 50 25 102 98 44.1
TJL50-115 50 25 115 87 50.4
TJL50-127 50 25 127 78.7 56.3
TJL50-139 50 25 139 71.9 62.1
TJL50-152 50 25 152 65.8 68.6
TJL50-178 50 25 178 56.2 81
TJL50-203 50 25 203 49.3 93.1
TJL50-229 50 25 229 43.7 105.7
TJL50-254 50 25 254 39.4 117.8
TJL50-305 50 25 305 32.8 142.5
TJL63-076 63 38 76 197.4 30.8
TJL63-089 63 38 89 168.5 37.1
TJL63-102 63 38 102 147.1 41.4
TJL63-115 63 38 115 130.4 47.7
TJL63-127 63 38 127 118.1 53.6
TJL63-152 63 38 152 98.7 65.7
TJL63-178 63 38 178 84.3 78.3
TJL63-203 63 38 203 73.9 90.4
TJL63-229 63 38 229 65.5 103
TJL63-254 63 38 254 59.1 115.2
TJL63-305 63 38 305 49.2 139.9
注意事項\Matters needing attention

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