2014년 7월 23일 수요일

_(고무 자석)_ 영어로는 뭐라고 하나? 그리고 _(자석 집게)_ rubber magnet 또는 flexible magnet

고무자석 영어로는 뭐라고 하나?
flexible magnet, 또는 rubber magnet


Flexible Magnetic Pickup
이것은 자석으로 집어 올리는 _(자석 집게)_를 말하는 것같다.
출처는 _(https://www.king-tool.com/flexible-magnet-pickup-inspection-mirror.php)_

구글 검색하면 refrigerator magnet (냉장고 자석)이라고 나오지만,
정작 자석보다는 자석 위에 접착제 등으로 붙인 장식물이나 집게가 나오는 경우가 많았다.
(fidge magnet) 도 있지만, fridge 는 냉장고 이므로, 역시 (냉장고 자석)이 된다.
아래는 flexible magnet, 또는 rubber magnet 이라고 한다는 근거이다.
출처는 http://www.arnoldmagnetics.com/Flexible_Magnets.aspx
링크를 제외한 밑줄있는 글 또는 제목의 밑줄은 내가 강조를 위해 넣었다.
찾기 위해서는 검색어를 flexible  또는  magnet  또는 rubber  이라고 하면 거의 모두 쉽게 찾을 수 있다.

Flexible Magnets                            Flexible Magnet Catalogs

productshot_flexibleThe FLEXMAG™ division of Arnold Magnetic Technologies produces flexible magnetic sheet and strip (rubber magnets) for  use as advertising specialties or printed magnets (refrigerator magnets, car signs, labels) by commercial printers (we don’t sell the advertising magnets, we sell the bulk material in roll and sheet form) as well as OEM uses including sensing magnets, motor magnets, biomedical surgical drapes, doors (shower and other), robotic guidance and automotive sound deadening.  


MANUFACTURING PROCESSES

There are three processes used in manufacturing flexible magnets.  They include extrusion, calendaring, and a combination of the two.  The extrusion process is widely used for "profile extrusion" or magnets with an irregular cross-section.  The  calendering process involves the rolling of pelletized compound between two rollers to form a continuous sheet.  The combination extruder/calender process invloves a little of both processes to achieve the desired magnet.  Each process has advantages and limitations.


FLEXMAG INDUSTRIES PRODUCTSFLEXMAG - Flexible Magnetic Products

Flexmag manufactures five primary grades of extruded or calendered product and many more representing customer-required variations.  Energy products range from 0.6 to 1.4 MGOe (4.8 to 11.1 kJ/m3). Thickness of extruded sheet is from 0.010" to 0.063" (0.25 to 1.60 mm).  Extruded profiles are available in a wide range of shapes. Calendered sheet is also available. For profile extruded and calendered sheet, please contact us for size capability details.
 Flexmag uses, primarily, a polyethylene binder system. Many variants are available including newer formulations with nitrile rubber. Again, please contact us to discuss your specific requirements.


PLASTIFORM DIVISION PRODUCTS

The Plastiform Division of Flexmag Industries produces continuous rolls of calendered sheet and strip product in thicknesses of 0.020" to over 0.375" (0.51 mm to over 9.5 mm). Energy product for ferrite materials ranges from 1.0 to 1.6 MGOe (8.0 to 12.7 kJ/m3). The binder choices include nitrile rubber, Nordel and Natsyn. The material is generally vulcanized, but is also available unvulcanized. Rare earth flexible NdFeB magnets are available in higher energy products.

Sheet can be stamped, slit, punched, laminated, or sanded to profile the edges or achieve close thickness tolerance. Magnetized sheet is available in several pole per inch (ppi) configurations from 4 to over 12 ppi, optimized for specific applications. More poles per inch increase the holding strength, but reduce the reach of the field. Fewer poles per inch increase the distance at which the magnet attracts, but reduces the ultimate holding strength. Pole per inch capability is also a function of the thickness of the sheet, thicker sheets having fewer ppi.



TEMPERATURE CHARACTERISTICS

Both the polyethylene and nitrile rubber binders are capable, with ferrite, of use up to 120°C. Higher temperatures are possible, but with some dimensional change (usually shrinkage) and with loss of flexibility. Testing of nitrile with ferrite has been conducted up to 150°C.

The presence of rare earth metal powder, however, greatly reduces the temperature capability. Rare earth material is so strong that at elevated temperatures (when the binder is soft), the magnet will self-deform, literally tearing itself apart. It is imperative that flexible rare earth not exceed the recommended use temperature.

REMEMBER: bonded magnets are truly engineered products, tailored to meet your needs by experienced Arnold engineers.

2014년 7월 18일 금요일