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 37.5%)
TJM

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
藍色
Blue
-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
32 16 +1 -0 +0 -0.7
40 20 +1 -0 +0 -0.84
50 25 +1 -0 +0 -0.84
63 38 +1.2 -0 +0 -1
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
TJM10-025 10 5 25 18.1 10.3
TJM10-032 10 5 32 14.2 13.3
TJM10-038 10 5 38 11.9 15.9
TJM10-044 10 5 44 10.3 18.3
TJM10-051 10 5 51 8.9 21.6
TJM10-064 10 5 64 7.1 27
TJM10-076 10 5 76 6 32.3
TJM10-089 10 5 89 5.1 38.2
TJM10-102 10 5 102 4.4 43.6
TJM10-305 10 5 305 1.5 134.2
TJM12.5-025 12.5 6.3 25 32 10.2
TJM12.5-032 12.5 6.3 32 25 13
TJM12.5-038 12.5 6.3 38 21.1 15.6
TJM12.5-044 12.5 6.3 44 18.2 18
TJM12.5-051 12.5 6.3 51 15.7 21.1
TJM12.5-064 12.5 6.3 64 12.5 26.5
TJM12.5-076 12.5 6.3 76 10.5 31.8
TJM12.5-089 12.5 6.3 89 9 37.7
TJM12.5-102 12.5 6.3 102 7.8 43.1
TJM12.5-115 12.5 6.3 115 7 49.1
TJM12.5-305 12.5 6.3 305 2.6 131.7
TJM16-025 16 8 25 53.3 9.8
TJM16-032 16 8 32 41.7 12.7
TJM16-038 16 8 38 35.1 15.3
TJM16-044 16 8 44 30.3 17.9
TJM16-051 16 8 51 26.1 20.7
TJM16-064 16 8 64 20.8 26.2
TJM16-076 16 8 76 17.5 31.4
TJM16-089 16 8 89 15 37.7
TJM16-102 16 8 102 13.1 43.8
TJM16-115 16 8 115 11.6 49.3
TJM16-127 16 8 127 10.5 54.3
TJM16-305 16 8 305 4.4 131.5
TJM20-025 20 10 25 85.3 9.8
TJM20-032 20 10 32 66.7 12.7
TJM20-038 20 10 38 56.1 15.3
TJM20-044 20 10 44 48.5 18
TJM20-051 20 10 51 41.8 21.2
TJM20-064 20 10 64 33.3 27.3
TJM20-076 20 10 76 28.1 32.4
TJM20-089 20 10 89 24 38.4
TJM20-102 20 10 102 20.9 42.6
TJM20-115 20 10 115 18.6 48.6
TJM20-127 20 10 127 16.8 54
TJM20-139 20 10 139 15.3 59.5
TJM20-152 20 10 152 14 65.9
TJM20-178 20 10 178 12 77.9
TJM20-203 20 10 203 10.5 89.3
TJM20-305 20 10 305 7 135
TJM25-025 25 12.5 25 128 9.5
TJM25-032 25 12.5 32 100 12.3
TJM25-038 25 12.5 38 84.2 14.9
TJM25-044 25 12.5 44 72.7 17.2
TJM25-051 25 12.5 51 62.7 19.9
TJM25-064 25 12.5 64 50 25.4
TJM25-076 25 12.5 76 42.1 30.6
TJM25-089 25 12.5 89 36 36.2
TJM25-102 25 12.5 102 31.4 41.8
TJM25-115 25 12.5 115 27.8 47.6
TJM25-127 25 12.5 127 25.2 52.8
TJM25-139 25 12.5 139 23 57.6
TJM25-152 25 12.5 152 21.1 63.2
TJM25-178 25 12.5 178 18 73.5
TJM25-203 25 12.5 203 15.8 83.9
TJM25-229 25 12.5 229 14 95
TJM25-305 25 12.5 305 10.5 126.8
TJM32-038 32 16 38 154.4 14.9
TJM32-044 32 16 44 133.3 17.5
TJM32-051 32 16 51 115 20.6
TJM32-064 32 16 64 91.7 25.5
TJM32-076 32 16 76 77.2 30.8
TJM32-089 32 16 89 65.9 36.7
TJM32-102 32 16 102 57.5 42.6
TJM32-115 32 16 115 51 48.6
TJM32-127 32 16 127 46.2 53.3
TJM32-139 32 16 139 42.2 55.6
TJM32-152 32 16 152 38.6 61
TJM32-178 32 16 178 33 71.4
TJM32-203 32 16 203 28.9 82.6
TJM32-229 32 16 229 25.6 92.9
TJM32-254 32 16 254 23.1 103.6
TJM32-305 32 16 305 19.2 124.2
TJM40-051 40 20 51 156.9 19.6
TJM40-064 40 20 64 125 25
TJM40-076 40 20 76 105.3 30.3
TJM40-089 40 20 89 89.9 35.7
TJM40-102 40 20 102 78.4 41.1
TJM40-115 40 20 115 69.6 46.6
TJM40-127 40 20 127 63 52.3
TJM40-139 40 20 139 57.6 53.8
TJM40-152 40 20 152 52.6 59
TJM40-178 40 20 178 44.9 68.9
TJM40-203 40 20 203 39.4 78.1
TJM40-229 40 20 229 34.9 88.4
TJM40-254 40 20 254 31.5 98.6
TJM40-305 40 20 305 26.2 117.2
TJM50-064 50 25 64 208.3 24.2
TJM50-076 50 25 76 175.4 29.3
TJM50-089 50 25 89 149.8 34.6
TJM50-102 50 25 102 130.7 41.1
TJM50-115 50 25 115 115.9 46.4
TJM50-127 50 25 127 105 51.6
TJM50-139 50 25 139 95.9 56.9
TJM50-152 50 25 152 87.7 62.8
TJM50-178 50 25 178 74.9 74.6
TJM50-203 50 25 203 65.7 85.8
TJM50-229 50 25 229 58.2 99.1
TJM50-254 50 25 254 52.5 108.7
TJM50-305 50 25 305 43.7 131.7
TJM63-076 63 38 76 280.7 28.6
TJM63-089 63 38 89 239.7 34.4
TJM63-102 63 38 102 209.2 40.5
TJM63-115 63 38 115 185.5 43.9
TJM63-127 63 38 127 168 49.9
TJM63-152 63 38 152 140.4 61
TJM63-178 63 38 178 119.9 72.9
TJM63-203 63 38 203 105.1 84.1
TJM63-229 63 38 229 93.2 96.4
TJM63-254 63 38 254 84 108.1
TJM63-305 63 38 305 69.9 131.1
注意事項\Matters needing attention

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