Helical Gearbox

The helical gears of a engage at a slow and gradual pace, beginning at the far end of the tooth and holding contact until the whole gear spins into full engagement. The helix angle of the helical gear inside the gearbox is normally 15 to 30 degrees. The ratio of a helical gear is typically 3:2 to 10:1. As a result, a helical gearbox can be used to transmit massive thrusts. The helical gears are lubricated and supported by special bearings. Its design features helical gears with angled teeth, providing smooth and quiet operation while minimizing backlash. This type of gearbox is widely used in various applications, including automotive, industrial machinery, and power transmission systems, due to its high efficiency and reliability.

Helical Gear Gearbox

Helical Gearbox ni nini?

Sanduku la gia la helical ni nini? Sanduku la gia la helical ni sawa na jozi ya gia za karatasi, lakini seti mbili za shafts huvuka kwa pembe tofauti. Umbali wa kati wa kila seti ya gia za helical sio integer, kwa hiyo ni muhimu kuhakikisha kwamba seti mbili za shafts zina urefu sawa. Hii ni muhimu kwa programu ambapo kelele inazingatiwa. Pia, kumbuka kwamba gia za helical kwa ujumla ni za utulivu na laini.

Sanduku za gia za helical zina faida nyingi juu ya aina zingine za sanduku za gia. Sanduku la gia la helical linaweza kuwa na meno zaidi ambayo yanahusika katika mwelekeo mmoja, ambayo huwawezesha kutoa mawasiliano thabiti kwa muda mrefu. Sanduku za gia za helikodi za koaxial hutumiwa mara nyingi katika matumizi ya kazi nzito. Ufanisi na ubora wao haufananishwi na aina zingine za sanduku za gia.

Vipengele vya Helical Gearbox

Gia za helical zinaweza kubadilishwa ili kubadilisha angle ya mzunguko kwa digrii 90 wakati imewekwa kwenye shafts perpendicular. Gia ya helical ni aina tofauti ya gia. Configuration yake ya angular inaruhusu kushughulikia torques hadi 750 Nm. Ni muhimu sana kwa programu za mzunguko, ambapo pembe ya mzunguko ni muhimu. Ingawa gia ya helical inatumiwa kimsingi katika mwendo wa kusonga mbele, inaweza pia kutumika kwa uhamishaji wa masafa ya chini. Walakini, kwa kuwa kasi ya kiwango cha chini ni polepole, haitoi whine isiyo na furaha.

Gia za helical ni za kudumu zaidi kuliko gia za spur na zinahitaji sehemu chache za ndani. Matokeo yake, pia ni nyepesi kuliko gia za spur. Sanduku la gia la helical linaweza kufanywa kwa sehemu chache na uzani mdogo. Ubaya pekee ni ugumu wa mchakato wa utengenezaji, ambayo huongeza bei ya sanduku la gia kwa kila sehemu. Licha ya hili, sanduku la gia la helical kawaida ni tulivu na thabiti kuliko gia ya spur.

Helical Gearbox

Aina za Gearbox za Helical

There are several helical gearbox types such as inline helical gearbox, worm helical gearbox, helical , helical motor gearbox tec. They differ in their efficiency and in their noise. The helical gears produce axial thrust, which means that the gearbox requires thrust bearings to accommodate this force. In contrast, spur gears produce no axial thrust, although they do not mesh as smoothly. Some helical gears require oil coolers, while others do not. Compared to spur gears, helical gears produce fewer noises, making them ideal for passenger cars and home use.
Aina kuu ya jino la sanduku la gia ya helical inatoa uwiano wa kasi uliowekwa, hata ikiwa mapengo ya katikati hayajawekwa kabisa. Sharti hili wakati mwingine hujulikana kama kanuni ya msingi ya gia. Gia za kusaidia kuwa na faida ya kuwa sawa na gia karatasi spur kwa kuwa ni lazima kujikongoja katika pande tofauti. Aina za gia za helical ni za kushoto au za mkono wa kulia, kulingana na ikiwa zimewekwa kwenye shafts sambamba.

Maombi ya Helical Gearbox

When considering a helical gearbox application, it is essential to consider several factors. The size, weight, and profile of the gears should be matched to the application's workload and environment. The helix angle and its associated center gap should be considered. Moreover, the application should be quiet, as a noisy or claustrophobic environment may negatively affect the performance of the gear set. The real value of the pitch may vary based on the helix angle, and dedicated methodology has been developed for this purpose.

Kipengele kingine muhimu cha sanduku la gia la helical ni ufanisi wao. Uwiano wa meno ya gia kwa eneo la jumla la uso huruhusu uwiano wa juu wa mawasiliano. Sanduku la gia la helical lililoundwa vizuri pia lina kelele kidogo na mtetemo kuliko gia za spur. Ikiwa gia ya helical haijaundwa ipasavyo, inaweza kuwa kelele zaidi kuliko gia ya spur. Ili kupata gia kamili ya helical kwa programu yako, tunatoa suluhisho za uhandisi na programu kwa utendakazi bora wa kisanduku cha gia.

Aina hizi za gia za helical hutumiwa katika tasnia ambapo kasi na ufanisi ni muhimu. Baadhi ya viwanda vinavyotumia gia za helical ni viwanda vya nguo, plastiki, mpira, sukari, karatasi na saruji. Maombi mengine ni pamoja na conveyors, crushers, na mixers. Baadhi ya aina zingine za kawaida za gia za helical hutumiwa ndani compressors na blowers. Gia ya helical pia hutumiwa katika sekta ya madini, ambapo torque ya juu inayotokana na rotor inajenga mashine ya utulivu, yenye ufanisi zaidi wa nishati.

Maombi ya Helical Gearbox
Maombi ya Helical Gearbox
Maombi ya Helical Gearbox
Maombi ya Helical Gearbox

Ubunifu wa Helical Gearbox

Ubunifu wa sanduku la gia la helical una faida kadhaa. Kwanza, hutoa kuondolewa kwa msukumo. Hii inawezekana kwa sababu gia hupangwa kwa pembe kwa mhimili wa mzunguko. Ubunifu huu unaweza kuwa na shafts mbili tofauti, moja ambayo inaelekezwa upande wa kulia wa sanduku la gia. Pembe ya helix huongezeka kadri nguvu inayobebwa na gia inavyoongezeka. Kwa hivyo, nyumba ya sanduku la gia lazima iweze kushughulikia nguvu hizi za ziada. Zaidi ya hayo, muundo wa kisanduku cha helical ni kubwa na nzito kuliko sanduku za gia za kawaida.

In terms of construction and operation, helical gearboxes are a good option for transmission systems. They are usually used in automotive applications because of their smooth performance. This is possible because they contain special angle-cut teeth. As the gear turns into full engagement, these gears gradually contact one another. This creates a large amount of thrust. It's also quieter than conventional spur gears. Its modular design also provides benefits in terms of engineering and performance. Helical gearboxes can be manufactured economically while maintaining the highest standards of component integrity.

Helikopta ni mfano mwingine wa sanduku la gia la helical. Nusu mbili za gia ya helical lazima ziyumbe kwa heshima kwa kila mmoja ili kuendana vizuri. Vile vile ni sawa na gia za spur. Nusu za radial lazima pia ziwe sambamba. Kwa kuongeza hii, gia za helical lazima ziwe na ulinganifu katika mwelekeo wa axial. Aina hii ya sanduku la gia inahitaji meshing ngumu zaidi.

Sanduku la Punguzo la Helical
Sanduku la Punguzo la Helical
Sanduku la Punguzo la Helical

Gearbox ya Worm Vs Helical Gear Box

Ulinganisho kati ya sanduku la gia ya minyoo na sanduku la gia la helical ni sehemu muhimu ya kuamua suluhisho bora kwa programu yako. Ingawa vipunguza gia za minyoo kwa ujumla ni bora zaidi kuliko vile vya helical, pengo la juu la katikati hufanya sanduku la gia la minyoo kuwa na ufanisi zaidi. Kwa mfano, kitengo cha kawaida kilicho na pengo la katikati ya 2.6 polepole hupoteza ufanisi kadiri uwiano unavyoongezeka, wakati pengo la juu la kituo hufanya sanduku la gia la minyoo kuwa na ufanisi zaidi hadi uwiano wa 10: 1 ufikiwe.

Sanduku za gia za minyoo na helical zinafaa kwa viwango vidogo vya HP. Kwa mfano, sanduku la gia la helical linagharimu karibu $ 840 chini ya sanduku la gia la minyoo. Hata hivyo, sanduku gia la minyoo ni bora zaidi kuliko sanduku la gia la helical kwa uwezo mkubwa. Ufanisi hupungua kadri uwiano unavyoongezeka, ingawa matumizi ya juu ya HP yatahitaji uwiano wa juu wa gia.

Majarida ya Helical Helical

Sayari ya Gearbox Vs Helical Gearbox

The sanduku la gia ya sayari haifai kwa programu za pembe ya kulia, viendeshi vya usafiri vya crane kando ya gati, na viendeshi vya usafiri vya gantry, kwa mfano. Aina hii ya sanduku la gia inaweza kuingilia sana programu hizi. Kwa upande mwingine, sanduku la gia la helical ni nyembamba kuliko sanduku la sayari na linafaa kwa matumizi haya. Kuna faida na hasara kwa aina zote mbili.

Faida kubwa ya geartrain ya sayari ni ufanisi wake. Hasara ni ndogo, kwa 3% tu kwa kila hatua. Ufanisi ni wa juu sana kwamba asilimia 97 ya nishati ya pembejeo huhamishwa. Treni ya gia ya sayari pia ni ngumu zaidi, shukrani kwa usambazaji sawa wa misa. Treni ya gia ya sayari huhamisha torati inayotumika kwa radially. Walakini, treni ya gia ya helical inahitaji mtumiaji kununua mbadala wa mfumo mzima, na sanduku la gia la helical haliwezi kurekebishwa ikiwa shida itatokea.

Sanduku la gia la sayari linaweza kuwa nyepesi sana, ambayo ni muhimu kwa matumizi ya kasi ya chini. Mara nyingi huwa hadi 60% nyepesi kuliko aina za kawaida, ambayo ina maana ya miundo ndogo ya usaidizi. Sayari mara nyingi huchaguliwa kwa uwezo wao wa kupunguza, ukubwa wa kompakt, na usawa wa uzito. Kinyume chake, sanduku la gia la kawaida lina shimoni ambayo hailingani na wingi wa sanduku la gia na husababisha overhang na uzito usio na usawa.

In contrast, the ring gear creates axial forces at the end of the transmission. Helical gears, on the other hand, create no axial forces. Helical gears have a zero-helix angle, which means they do not create any axial forces in the mesh. The axial force creates torque on both sides of the gear. The planet's ring gear meshes with the sun, creating a “boosted torque rotational motion that transfers to the output. The magnitude of the axial force is approximately equal to the gear pitch diameter.

Sanduku la Punguzo la Helical

Ufanisi wa Gearbox ya Helical

The efficiency of a helical gearbox is based on the output torque divided by the input torque. This ratio is equal to the total gear reduction within the gearbox and is the number of revolutions a motor must make in order to rotate a stem nut. Helical gears, on the other hand, produce a lot of thrust along the axis of the gear. They are also prone to more sliding friction between the gear teeth, which can be addressed with the addition of additives to the gearbox's lubricant.

Ingawa hekima ya kawaida inaweza kuonyesha kuwa sanduku la gia la helical ni bora zaidi kuliko gia ya minyoo, utafiti wa hivi majuzi unapendekeza kwamba sanduku za gia za minyoo zinaanza kuziba pengo la ufanisi, haswa linapokuja suala la matumizi ya nguvu kidogo. Miundo mipya ya kisanduku cha minyoo, na vile vile ulainishaji ulioboreshwa, unafanya sanduku za gia za minyoo kushindana zaidi na sanduku za gia za helical. Katika hali nyingi, gia za minyoo ni za bei nafuu, lakini sanduku za gia za helical zinafaa zaidi.

In addition to being faster and more efficient, helical gearsets produce an axial thrust force that aligns with the shafts. The helix angle of a helical gear increases as the power it carries grows. This requires that the helical gearbox' housing be designed to accommodate the thrust load. As a result, a helical gearbox adds both size and weight. These factors determine the efficiency of helical gearboxes.