Bantalan rol tirus dua baris
METERIAL
nagara | Cina | AS | Jérman | Jepang |
Bantalan Baja NO. | GCr15 | (ANSI) 52100 | (DIN) 100Cr6 | (JIS) SUJ2 |
Tabel 1
Cingcin sareng rol bantalan CMC didamel tina bantalan karbon-krom tinggi ditapis baja-GCr15. (Kontras tina Baja Baja No. unggal nagara. Tingali Tabel 1.) Kandangana ditinju tina lambar baja rolling kualitas super atanapi kandang nilon. Segelna diteken tina karét tulang-tahan tahan minyak sareng fosfatisasi rorongkong waja.
KASUSAHAN
Séri | Standar | Desain Kelas Bantalan | ||||
Inci | ANSI / ABMA std.19.2 | 4 | 2 | 3 | 0 | 00 |
Métrik | GB / T307.1 | 0 | 6X | 5 | 4 | |
ISO | 0 | 6X | 5 | 4 | ||
ANSI / ABMA std.19.1 | K | N | C | B | A | |
DIN | 0 | 6X | 5 | 4 | ||
J IS | 0 | 6X | 5 | 4 |
Tabel 2
Ketepatan bantalan séri inci diklasifikasikeun dina 4.2.3,0 sareng 00 lima kelas.0,6 / 6X 、 5 sareng 4 dilarapkeun ka bantalan séri métrik.
Hubungan kelas sareng kelas kasabaran ISO, jst, tingali Tabel 2.
BERSIHAN
Diaméter bore d mm | Kelompok l | Kelompok 2 | Biasa | Kelompok 3 | Kelompok 4 | Groep 5 | |||||||
leuwih | ka | mnt | maks | mnt | maks | mnt | maks | mnt | maks | mnt | maks | mnt | maks |
- | 30 | 0 | 10 | 10 | 20 | 20 | 30 | 40 | 50 | 50 | 60 | 70 | 80 |
30 | 40 | 0 | 12 | 12 | 25 | 25 | 40 | 45 | 60 | 60 | 75 | 80 | 95 |
.40 | 50 | 0 | 15 | 15 | 30 | 30 | 45 | 50 | 65 | 65 | 80 | 90 | 110 |
50 | 65 | 0 | 15 | 15 | 30 | 30 | 50 | 50 | 70 | 70 | 90 | 90 | 120 |
65 | 80 | 0 | 20 | 20 | 40 | 40 | 60 | 60 | 80 | 80 | 110 | 110 | 150 |
80 | 100 | 0 | 20 | 20 | 45 | 45 | 70 | 70 | 100 | 100 | 130 | 130 | 170 |
Tabel 3
Reresihan radial tina bantalan tirus dibagi kana genep kelompok sapertos anu dipidangkeun dina Tabel 3.
Reresihan radial khusus atanapi syarat clearance aksial tiasa didamel sakumaha ditetepkeun dina pesenan.
BERSIHAN
Jenis Gajih | Henteu | Serelek Rata-rata C (F) |
Working Point at 25 (77 ° F) |
Ngerjakeun T. C |
Babasan |
1Shell | |||||
Alvan iaR Grease | R2 | 185 (365) | 265-295 | -30 ~ 12 ( | Gajih Litium |
R3 | 185 (365) | 220-250 | -30 ~ 120 | ||
Al vania EP Gajih | EP1 | 180 (356) | 310-340 | Litium EP Gajih | |
EP2 | 185 (365) | 265-295 | -25 ~ 110 | ||
2. Minyak mobil | |||||
Mobil Grease | 22 | 192 (378) | 274 | -40 ~ 120 | |
EP2 | 185 (365) | 265-295 | -25 ~ 110 | ||
3. Ogé | |||||
Andok | C | 260 (500) | 190-210 | -30 ~ 150 | |
Beacon | 325 | 190 (374) | 280 | -55 ~ 120 |
Tabel 4
Tujuan utama pelumasan bantalan nyaéta nyegah kontak logam antara unsur gulung, pacuan kuda, sareng kandang, sareng ogé nyegah bantalan tina korosi sareng ageman. Fungsi tambahan nyaéta sealing sareng pendinginan bantalan. Bantalan tiasa dilumaskeun ku gajih atanapi oi, dina kasus-kasus khusus nganggo pelumas padet, pilihan na gumantung kana kisaran suhu, kecepatan operasi, sareng kondisi loading tina bantalan anu aya kaitanana.
Sadaya pelumas kedah dirobih ti waktos ka waktos sabab sipatna buruk akibat tina sepuh sareng kontaminasi pelumas.
Fungsi pikeun pelumasan minyak sareng minyak dipasihkeun dina Tabel4.
BERSIHAN
Henteu | Bantalan No. | Diménsi Wates | |||||||
d | D | B | T | C | Kg | Cr | Kor | ||
mm | |||||||||
1 | 2558 / 2523D | 30.162 | 69,85 | 25.357 | 66.675 | 57.15 | 1.1612 | 122.3 | 170.3 |
2 | 385 / 384D | 55 | 100 | 21.946 | 52.388 | 42.862 | 1,465 | 138.9 | 205.8 |
3 | F15015 | 41 | 68 | 20 | 40 | 35 | 0,43 | 76.0 | 119.6 |
4 | F15130 | 42 | 80 | 19 | 38 | 38 | 0,802 | 95 | 128.7 |
5 | IR2220 | 25 | 52 | 18.5 | 37 | 37 | 0,365 | 60.7 | 78.6 |
6 | IR2221 | 25 | 52 | 21.5 | 43 | 43 | 0,41 | 60.7 | 78.6 |
7 | IR2222 | 25 | 55 | 21.5 | 43 | 43 | 0,496 | 74.5 | 97.8 |
8 | IR2223 | 25 | 52 | 18.5 | 37 | 37 | 0,365 | 60.7 | 78.6 |
9 | JR387037 | 38 | 70 | 18.5 | 37 | 37 | 0,544 | 64.3 | 94.9 |
10 | JRM3535A / 65XD | 35 | 65 | 17.5 | 35 | 35 | 0,508 | 61.3 | 87.1 |
11 | JRM3535A / 65XDT | 35 | 65 | 17.5 | 35 | 35 | 0,533 | 61.3 | 87.1 |
12 | JRM3535A / 65XD-T | 35 | 65 | 17.5 | 35 | 35 | 0,525 | 61.3 | 87.1 |
13 | JRM3939 / JRM3968XD | 39 | 68 | 18.5 | 37 | 37 | 0,522 | 64.3 | 94.9 |
14 | T255545 | 25 | 55 | 22.5 | 45 | 45 | 0,5084 | 66 | 95.7 |
15 | T255545A | 25 | 55 | 22.5 | 45 | 45 | 0,5084 | 66 | 95.7 |
16 | T255548 | 25 | 55 | 24 | 48 | 48 | 0,5246 | 66.0 | 95.7 |
17 | T255548A | 25 | 55 | 24 | 48 | 48 | 0,5246 | 66.0 | 95.7 |
18 | T256045 | 25 | 60 | 22.5 | 45 | 45 | 0,6662 | 66.0 | 95.7 |
19 | T256045A | 25 | 60 | 22.5 | 45 | 45 | 0,6662 | 66.0 | 95.7 |
20 | T256248 | 25 | 62 | 24 | 48 | 48 | 0,5941 | 93.4 | 125.1 |
21 | T256248A | 25 | 62 | 24 | 48 | 48 | 0,5941 | 93.4 | 125.1 |
22 | T275343 | 27 | 53 | 21.5 | 43 | 43 | 0.4383 | 52.1 | 74.8 |
23 | T295337 | 29 | 53 | 18.5 | 37 | 37 | 0,343 | 52.09 | 74.8 |
24 | T295337C-V | 29 | 53 | 18.5 | 37 | 37 | 0,3424 | 52.09 | 74.8 |
25 | T306248 | 30 | 62 | 24 | 48 | 48 | 0,5121 | 93.4 | 125.1 |
26 | T346437 | 34 | 64 | 18.5 | 37 | 37 | 0,546 | 72.7 | 106.3 |
27 | T356437 | 35 | 64 | 18.5 | 37 | 37 | 0,539 | 72.7 | 106.3 |
28 | T356437B | 35 | 64 | 18.5 / 24.1 | 42.6 | 37 | 0,5603 | 72.7 | 106.3 |
29 | T356848 | 35 | 68 | 24 | 48 | 48 | 0,7784 | 96.2 | 138.2 |
30 | T397237 | 39 | 72 | 18.5 | 37 | 37 | 0,662 | 73.0 | 105.0 |
31 | T407237 | 40 | 72 | 18.5 | 37 | 37 | 0,644 | 73 | 105 |
32 | T407237A | 40 | 72 | 18.5 | 37 | 37 | 0,6592 | 68.1 | 102.9 |
33 | T408045 | 40 | 80 | 22.5 | 45 | 44 | 0,97 | 110.3 | 143 |
34 | T427639 | 42 | 76 | 19.5 | 39 | 39 | 0,76 | 95.3 | 133.9 |
35 | T428038 | 42 | 80 | 19 | 38 | 38 | 0,8362 | 95 | 128.7 |
36 | T458551 | 45 | 85 | 25.5 | 51 | 51 | 1.2686 | 99,28 | 144.7 |
37 | T458551A | 45 | 85 | 25.5 | 51 | 51 | 1.275 | 99.3 | 144.7 |
38 | T478858 | 47 | 88 | 28.75 | 57.5 | 57.5 | 1.4928 | 126.8 | 191.9 |
39 | T498448 | 49 | 84 | 24 | 48 | 48 | 1.05 | 107.2 | 168.6 |
40 | T508454 | 50 | 84 | 27 | 54 | 54 | 1.178 | 107.2 | 168.6 |
41 | U17598111 | ||||||||
42 | FC41394 | ||||||||
43 | T549651 | 54 | 96 | 25.5 | 51 | 51 | 1.4402 | ||
44 | 445620 | 35 | 65 | 17.5 | 35 | 35 | 0,512 | 71.7 | 100 |
45 | T306251 | 30 | 62 | 51 | 51 | 51 | 0,704 | 93.4 | 125.1 |
46 | T408045D | 40 | 80 | 22.5 | 45 | 44 | 0,97 | 110.3 | 143 |
47 | T408045KW | 40 | 80 | 22.5 | 45 | 44 | 0,97 | 110.3 | 143 |
KLASIFIKASI
Bantalan rol tirus jajar tunggal gaduh cincin luar, cincin batinna sareng sakumpulan rol tirus mangrupikeun majelis cincin batin anu ditutup ku kandang bentuk karinjang. Cingcin luar tiasa dipisahkeun tina kumpulan cincin batin. Numutkeun kana standar ukuran éksternal anu diluncurkeun ISO tapered roller, aya jinis standar tina ring rol tirus atanapi ring ring internal kedah tiasa ngahontal internationality kalayan jinis anu sami ring luar atanapi bursa majelis cincin jero. Nyaéta, salian ti dimensi éksternal sareng kasabaran ring luar tina modél anu sami, anu kedah nyumponan sarat ISO492 (GB307), sudut kerucut sareng komponén kerucut komponén komponén ring jero ogé kedah saluyu sareng peraturan anu aya hubunganana pikeun silih tukeur.
Sacara umum, sudut tirus tina raceway ring luar tina bantalan rol tirus tunggal baris antara 10 ° sareng 19 °, anu tiasa nahan tindakan gabungan beban aksial sareng beban radial dina waktos anu sami. Langkung ageung sudut kerucut, kamampuan langkung seueur pikeun nahan beban aksial. Bantalan kalayan sudut taper ageung, tambahkeun B kana kode tukang, sareng sudut taper nyaéta antara 25 ° ~ 29 °, anu tiasa nahan beban aksial anu langkung ageung. Salaku tambahan, bantalan roller tapered tunggal baris tiasa nyaluyukeun ukuran clearance nalika prosés pamasangan.
Cingcin luar (atanapi cincin batin) tina bantalan rol tirus dua baris sacara gembleng. Raray tungtung alit tina dua cincin batin (atanapi cingcin luar) sami, sareng spacer di tengahna. Reresihanna disaluyukeun ku kandelna spacer. Kandelna spacer ogé tiasa dianggo pikeun ngatur pra-gangguan bantalan roller tirus dua jajar.
Bantalan roller tapered opat jajar. Kinerja jenis bantalan ieu dasarna sami sareng bantalan rol tirus dua jajar, tapi éta ngagaduhan beban radial langkung ageung tibatan bantalan rol tirus dua jajar sareng gaduh sakedik wates wates. Ieu utamina dianggo pikeun mesin beurat.
Multi-disegel bantalan rol tirus dua jajar sareng opat jajar, ZWZ nyayogikeun umur panjang, multi-disegel ganda sareng opat jajar rol tirus. Ngalaksanakeun desain anu anyar sareng pribadi tina bantalan, ngarobah cara desain tradisional bantalan anu disegel lengkep, sareng ngadopsi jinis struktur panyegelan anu anyar anu ngagabungkeun panyegelan sareng pencegahan lebu pikeun ningkatkeun pangaruh panyegelan sareng ningkatkeun kinerja panyegelan. Dibandingkeun sareng bantalan struktur kabuka, multi-disegel ganda sareng opat jajar bantalan roller tirus tiasa ningkatkeun hirupna ku 20% dugi ka 40% sareng ngirangan konsumsi pelumas ku 80%.