High Sensitive Bimetal Strips VAC2036 DIN1577A 5J1580 Slitting Tapes With OEM Print
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Detailed Product Description
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Bi metal strips VAC2036 DIN1577A GB5J1580 slitting tapes with OEM print
The Definition and Operating Principle of Bimetals: Bimetal is bonding by two or more different expansion coefficients
metal or alloy, whose shape changes at changing temperature. 1,The active side of the bimetal requests large expansion
coefficients, high melting point and similar modulus of elasticity
with the passive side. Acd, there are many choices for the raw
material of the active side, such as resisto,
nickel-ironmanganese,manganin, pure Nickel, pure iron, brass,
bronze,stainless steel, etc. Commonly used are
Mn72Cu18Ni10,Ni22Cr3, Ni20Mn6, Ni18Cr11, Ni19Cr2, Ni25Cr8, etc. 2,The passive side of the bimetal usually is the ferro-nickel with
low expansion coefficients.In 1896, Guillaume invented the invar
which having low expansion coefficients, at the room temperature
only about 1.2×10-6/℃. It built up the foundation for the bimetal
development. Commonly used are Ni36Fe, Ni39Fe, Ni40Fe,Ni42Fe,
Ni45Fe and Ni50Fe. 3,In order to attain different resistivity among the bimetal, we
usually put in the lower resistivity metal between the active and
passive side to affect the resistivity, such as pure Nickel, pure
Copper, Zirconium- Copper, etc.
Instructions for use: 1. Following factors should be considered in designing a bimetal
element: a. Current level for element to stand b. Operating temperature; c. Maximum temperature for element to stand ; d. The requirements of the displacement and power; e. Space constraint; f. Working condition, etc . 2. Bimetal Types and Specifications a. Classified by using temperature: low temperature,medium
temperature, high temperature. b. Bimetal type, size and shape are dependent on the value
calculated by motion space, displacement, current level and release
force High-sensitive type,Medium-sensitive type,Low-sensitive type. c. In line with the calculated outcome to make the installation
test. 1) The temperature range of application is a little larger than the
linear temperature range. Within this range,bimetal with free
deformation will not present the residual deformation.While beyond that range, the bimetal material’s
expansion coefficient will have a great change so that the
sensitive of the bimetal will be decreased. But it still can be used.And this temperature is generally lower than the Curie
point, of the material, since the material structure and
performance will change once reached the Curie point. 2) According the motion space,displacement, current level, tripping
force, and etc, to figure out the bimetal type, dimension and
shape.High-sensitive Low-resistance(Big ampere) StripShape
Medium-sensitive Medium-resistance(Mediumampere) Spirality Low-
sensitive High- resistance ( Small-ampere) Isomerism. Main features: Linear temperature range is higher, low thermal performance, can be used at high temperature.
Chemical composition
Processing: Cold rolled →go oil → pickling → annealing cold-rolled →oil → pickling → annealing cold-rolled → conform to the requirements of the use of thermal bimetal strip
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| Product Tags: soft magnetic alloy precision tubing | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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