Page 871 - MISUMI Thailand Economy Series

Economy series Product Overview Product Overview Economy series
Coil Springs Tension Springs

vs Standard Type vs Standard Type
Economy series Saving Economy series Saving
up to
up to
Coil Springs 90 % Tension Springs 90 %

Divided into O.D. Referenced Type The same specification with 2 kinds
and I.D. Referenced Type according of materials Coil Springs
to use Stainless steel imported from Japan, P.865

and Chinese piano wire Springs Tension

P.875

Q Usage difference between MISUMI economy series and standard product Q Difference between MISUMI Economy series and generic products on the market Tension Springs Posts for

MISUMI standard product MISUMI Economy series Generic products on the market * Q 72H Salt Spray Test P.881
Generic products on the market * MISUMI Economy series Tension Springs
Life 1 million cycles Above 700,000 cycles Above 200,000 cycles
8H Salt Spray Test Results 72H Salt Spray Test Results Disc Springs Torsion Springs/
Stainless Steel Imported from Japan Stainless Steel Imported from Japan
Material SUS304-WPB Chinese Stainless Steel Above Within P.884
Nickel Plating High Gloss SUS304-WPB 90% of 3% of 11
rusted area rusted area
* Generic products on the market are similar products randomly purchased by our company from online or offline markets
* The test data are obtained through testing by our company, which are for reference only
QExample of Customer Use Springs / Posts
· Conclusion: The antirust ability is 9 times of the generic products on the market.
· Different from ordinary springs in the market, MISUMI Economy series coil springs are more precise and refined, which
are divided into I.D. Referenced Type and O.D. Referenced Type. The O.D. Referenced Type is made with the O.D. Q Service Life Test
tolerance as the priority, and the I.D. Referenced Type is made with the I.D. tolerance as the priority. · Product Information: Material: SUS304-WPB
· Select the appropriate type of spring according to the actual installation conditions, and refer to the published Specifications: Wire Diameter 1mm, O.D. 8mm, Free Length 40mm
contents for specific I.D. and O.D. tolerances. · Test Conditions: Original Length 40mm, Allowable Deflection 19.2mm, Allowable Load 24.52N,
* The values of solid length are for reference only. And if it is used under the limit condition of solid length, the spring may be Stretching Frequency 309 cycles/minute
deformed, or damaged after using only a limited number of cycles. So please use within the allowable displacement Fmax. (mm).
To increase the usage count, it is recommended to use the spring up to 70% of the allowable displacement Fmax.
Generic products on the market * MISUMI Economy series Tension Springs
Q I.D. Referenced Type Q O.D. Referenced Type Breakage after 255,000 cycles Breakage after 787,000 cycles

Suitable for Suitable for
shaft hole Abnormal broken position: unconventional broken coil position, Normal broken position: hook position
installation installation presumably using low-class cheap materials with low purity with concentrated stress

Test Equipment · Conclusion: The service life is 3 times of the generic products on the market.
* Generic products on the market are similar products randomly purchased by our company from online or offline markets
* The test data are obtained through testing by our company, which are for reference only
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