Tap-15 ko Tad-17. Menene ya fi kauri? Bambance-bambance

Tap-15 ko Tad-17: bambance-bambance

Tap-15 ko Tad-17? Idan muka yi la'akari da sinadarai na waɗannan man shafawa, to, akwai 'yan bambance-bambance. Dukansu suna cikin ma'adinai, kamar yadda ake yin su a cikin aikin distillation da distillation na wasu maki na mai. Tep-15 ya fi rahusa, sabili da haka an rage yawan matsananciyar matsananciyar matsa lamba da ƙari na antiwear a can. Bugu da ƙari, danko na Tep-15 yana da ɗan ƙasa, kodayake ga yawancin sassa na motoci (musamman samar da gida), wannan alamar ba ta da mahimmanci.

Amintaccen amfani da man shafawa na gear da ake la'akari an ƙaddara ba kawai ta hanyar tsananin kauri a ƙananan yanayin zafi ba (don Tad-17, kewayon zafin aiki shine -20 zuwa +135).^ºC, kuma don Tep-15 daga -23 zuwa +130^ºC), amma har ma da matakin tashin hankali na sinadarai dangane da shaƙewar hatimin akwatin. A wannan ma'anar, Tad-17 ya fi aiki. Ya ƙunshi sulfur da phosphorus a cikin adadi mai yawa, wanda ke ba da gudummawa ga halayen injiniyoyi a saman sassan gear hypoid. A sakamakon irin wannan halayen, ana ƙirƙirar fina-finai a can waɗanda ke ƙara ƙarfin hana kama kayan a ƙarƙashin yanayin babban zamewar nau'in watsawa ɗaya akan wani kusa. A cikin irin wannan yanayi, ba duk nau'ikan hatimin roba ba na iya samun isasshen juriyar lalacewa. Haka kuma, idan na'urar aiki tare da tagulla ko tagulla gami da jan karfe, to, juriyarsa kuma za ta ragu.

Akasin haka, Tep-15, wanda ba ya ƙunshe da nau'ikan reagents masu aiki da sinadarai, ba shi da mahimmanci ga matakin juriyar mai na roba da ma'aunin ƙarfe na jan karfe.

Menene ya fi kauri - Tap-15 ko Tad-17?

Lokacin kwatanta, yana da mahimmanci don kimanta ba kawai cikakken ƙimar danko ba, amma har ma da canjinsa a cikin tsarin ƙara yawan zafin jiki.

Tep-15 iri iri bisa ga GOST 17479.2-85 nasa ne na kayan mai na rukuni na 2, yana ƙunshe da ƙari kawai na antiwear, sabili da haka an tsara shi don ingantaccen amfani a ƙarƙashin nauyin waje har zuwa 2 GPa da yawan zafin jiki har zuwa 130.^ºC. A lokaci guda, Tad-17 kuma ya hada da matsananci additives, kuma yana cikin rukuni na 5, wanda nauyin waje a kan shafts da gears zai iya kaiwa 3GPa ko fiye, a yawan zafin jiki har zuwa 150.^ºC.

Don haka, mafi kyawun raka'a don amfani da Tep-15 sune cylindrical, bevel da - partially - worm gears, waɗanda ke aiki a cikin ƙananan saurin zamiya, kuma don Tad-17 - galibi gilas ɗin hypoid, inda irin wannan saurin ya kai 5 ... 7. % na nau'in kayan gudun juyawa. Saboda haka, alamar lalacewa a cikin irin waɗannan yanayi yana ƙaruwa daga 0,4 zuwa 0,5.

Ƙimar kwanciyar hankali na alamun danko dangane da zafin jiki a cikin ƙarar kumburi yana ba da dabi'u masu zuwa. Don Tep-15, danko yana canzawa kamar haka:

• Na 100^ºC - 15… 16 mm²/ daga.
• Na 50^ºC - 100… 120 mm²/ daga.
• Na 20^ºC - 870… 1150 mm²/ daga.

Saboda haka, alamomi masu kama da Tad-17 sune:

• Na 100^ºC - 18… 20 mm²/ daga.
• Na 50^ºC - 180… 220 mm²/ daga.
• Na 20^ºC - 1500… 1600 mm²/ daga.

Duk iri ɗaya, Tap-15 ko Tad-17? Idan aka kwatanta aikin mai, mun yanke shawarar cewa nauyin nauyin Tad-17 gear man ya fi girma, sabili da haka, ana iya amfani da shi a ƙãra lodi a kan inji, inda dogon lokaci wanzuwar wani surface mai fim raba da shafa sassa. wajibi. A lokaci guda kuma, Tep-15 ya fi tasiri don amfani da su a cikin akwatunan gear tractors, da kuma manyan motoci masu matsakaicin nauyi.

TAD 17